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annotate roundup/date.py @ 8580:5cba36e42b8f

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chore: refactor replace urlparse with urlsplit and use urllib_ Python docs recommend use of urlsplit() rather than urlparse(). urlsplit() is a little faster and doesn't try to split the path into path and params using the rules from an obsolete RFC. actions.py, demo.py, rest.py, client.py Replace urlparse() with urlsplit() actions.py urlsplit() produces a named tuple with one fewer elements (no .param). So fixup calls to urlunparse() so they have the proper number of elements in the tuple. also merge url filtering for param and path. demo.py, rest.py: Replace imports from urlparse/urllib.parse with roundup.anypy.urllib_ so we use the same interface throughout the code base. test/test_cgi.py: Since actions.py filtering for invali urls not split by path/param, fix tests for improperly quoted url's.
author John Rouillard <rouilj@ieee.org>
date Sun, 19 Apr 2026 22:58:59 -0400
parents 9c3ec0a5c7fc
children
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213
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1 #
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2 # Copyright (c) 2001 Bizar Software Pty Ltd (http://www.bizarsoftware.com.au/)
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3 # This module is free software, and you may redistribute it and/or modify
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4 # under the same terms as Python, so long as this copyright message and
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5 # disclaimer are retained in their original form.
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6 #
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7 # IN NO EVENT SHALL BIZAR SOFTWARE PTY LTD BE LIABLE TO ANY PARTY FOR
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8 # DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES ARISING
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9 # OUT OF THE USE OF THIS CODE, EVEN IF THE AUTHOR HAS BEEN ADVISED OF THE
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10 # POSSIBILITY OF SUCH DAMAGE.
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11 #
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12 # BIZAR SOFTWARE PTY LTD SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
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13 # BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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14 # FOR A PARTICULAR PURPOSE. THE CODE PROVIDED HEREUNDER IS ON AN "AS IS"
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15 # BASIS, AND THERE IS NO OBLIGATION WHATSOEVER TO PROVIDE MAINTENANCE,
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16 # SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
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17
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18 """Date, time and time interval handling.
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19 """
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20 __docformat__ = 'restructuredtext'
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22 import calendar
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23 import datetime
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24 import re
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25
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26 from roundup.anypy.datetime_ import utcnow
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27
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28 try:
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29 import pytz
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30 except ImportError:
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31 pytz = None
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32
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33 try:
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34 cmp
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35 except NameError:
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36 # Python 3.
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37 def cmp(a, b):
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38 return (a > b) - (a < b)
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39
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40 from roundup import i18n
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41 from roundup.anypy.strings import is_us
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43 # no, I don't know why we must anchor the date RE when we only ever use it
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44 # in a match()
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45 date_re = re.compile(r'''^
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46 ((?P<y>\d\d\d\d)([/-](?P<m>\d\d?)([/-](?P<d>\d\d?))?)? # yyyy[-mm[-dd]]
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47 |(?P<a>\d\d?)[/-](?P<b>\d\d?))? # or mm-dd
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48 (?P<n>[.T])? # . or T
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49 (((?P<H>\d?\d):(?P<M>\d\d))?(:(?P<S>\d\d?(\.\d+)?))?)? # hh:mm:ss
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50 (?:(?P<tz>\s?[+-]\d{4})|(?P<o>[\d\smywd\-+]+))? # time-zone offset, offset
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51 $''', re.VERBOSE)
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52 serialised_date_re = re.compile(r'''
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53 (\d{4})(\d\d)(\d\d)(\d\d)(\d\d)(\d\d?(\.\d+)?)
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54 ''', re.VERBOSE)
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55
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56 _timedelta0 = datetime.timedelta(0)
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57
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58 # load UTC tzinfo
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59 if pytz:
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60 UTC = pytz.utc
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61 else:
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62 # fallback implementation from Python Library Reference
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63
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64 class _UTC(datetime.tzinfo):
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65
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66 """Universal Coordinated Time zoneinfo"""
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67
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68 def utcoffset(self, dt):
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69 return _timedelta0
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70
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71 def tzname(self, dt):
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72 return "UTC"
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73
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74 def dst(self, dt):
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75 return _timedelta0
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76
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77 def __repr__(self):
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78 return "<UTC>"
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79
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80 # pytz adjustments interface
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81 # Note: pytz verifies that dt is naive datetime for localize()
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82 # and not naive datetime for normalize().
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83 # In this implementation, we don't care.
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84
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85 def normalize(self, dt, is_dst=False):
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86 return dt.replace(tzinfo=self)
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87
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88 def localize(self, dt, is_dst=False):
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89 return dt.replace(tzinfo=self)
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90
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91 UTC = _UTC()
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92
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94 # integral hours offsets were available in Roundup versions prior to 1.1.3
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95 # and still are supported as a fallback if pytz module is not installed
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96 class SimpleTimezone(datetime.tzinfo):
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97
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98 """Simple zoneinfo with fixed numeric offset and no daylight savings"""
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99
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100 def __init__(self, offset=0, name=None):
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101 super(SimpleTimezone, self).__init__()
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102 self.offset = offset
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103 if name:
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104 self.name = name
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105 else:
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106 self.name = "Etc/GMT%+d" % self.offset
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107
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108 def utcoffset(self, dt):
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109 return datetime.timedelta(hours=self.offset)
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110
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111 def tzname(self, dt):
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112 return self.name
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113
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114 def dst(self, dt):
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115 return _timedelta0
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116
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117 def __repr__(self):
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118 return "<%s: %s>" % (self.__class__.__name__, self.name)
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119
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120 # pytz adjustments interface
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121
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122 def normalize(self, dt):
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123 return dt.replace(tzinfo=self)
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124
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125 def localize(self, dt, is_dst=False):
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126 return dt.replace(tzinfo=self)
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127
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128
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129 # simple timezones with fixed offset
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130 _tzoffsets = dict(GMT=0, UCT=0, EST=5, MST=7, HST=10)
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131
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132
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133 def get_timezone(tz):
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134 # if tz is None, return None (will result in naive datetimes)
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135 # XXX should we return UTC for None?
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136 if tz is None:
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137 return None
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138 # try integer offset first for backward compatibility
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139 try:
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140 utcoffset = int(tz)
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141 except (TypeError, ValueError):
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142 pass
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143 else:
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144 if utcoffset == 0:
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145 return UTC
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146 else:
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147 return SimpleTimezone(utcoffset)
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148 # tz is a timezone name
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149 if pytz:
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150 try:
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151 return pytz.timezone(tz)
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152 except pytz.exceptions.UnknownTimeZoneError:
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153 pass
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154
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155 if tz == "UTC":
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156 return UTC
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157 elif tz in _tzoffsets:
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158 return SimpleTimezone(_tzoffsets[tz], tz)
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159 else:
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160 raise KeyError(tz)
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161
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162
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163 def _utc_to_local(y,m,d,H,M,S,tz):
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164 TZ = get_timezone(tz)
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165 S = min(S, 59.999)
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166 frac = S - int(S)
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167 dt = datetime.datetime(y, m, d, H, M, int(S), tzinfo=UTC)
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168 y,m,d,H,M,S = dt.astimezone(TZ).timetuple()[:6]
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169 S = S + frac
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170 return (y,m,d,H,M,S)
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171
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172
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173 def _local_to_utc(y,m,d,H,M,S,tz):
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174 TZ = get_timezone(tz)
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175 dt = datetime.datetime(y,m,d,H,M,int(S))
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176 y,m,d,H,M,S = TZ.localize(dt).utctimetuple()[:6]
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177 return (y,m,d,H,M,S)
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178
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179
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180 def test_ini(t):
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181 """ Monkey-patch to make doctest think it's always time t:
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182 """
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183 u = Date.now
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184 d = datetime.datetime.strptime(t, '%Y-%m-%d.%H:%M:%S.%f')
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185 Date.now = lambda x: d
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186 return u
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187
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188
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189 def test_fin(u):
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190 """ Undo monkey patch above
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191 """
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192 Date.now = u
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193
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194
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195 class Date:
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196 '''
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197 As strings, date-and-time stamps are specified with the date in
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198 international standard format (yyyy-mm-dd) joined to the time
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199 (hh:mm:ss) by a period ("."). Dates in this form can be easily compared
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200 and are fairly readable when printed. An example of a valid stamp is
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201 "2000-06-24.13:03:59". We'll call this the "full date format". When
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202 Timestamp objects are printed as strings, they appear in the full date
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203 format with the time always given in UTC. The full date format is
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204 always exactly 19 characters long.
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205
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206 For user input, some partial forms are also permitted: the whole time
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207 or just the seconds may be omitted; and the whole date may be omitted
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208 or just the year may be omitted. If the time is given, the time is
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209 interpreted in the user's local time zone. The Date constructor takes
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210 care of these conversions. In the following examples, suppose that yyyy
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211 is the current year, mm is the current month, and dd is the current day
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212 of the month; and suppose that the user is on Eastern Standard Time.
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213
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214 Note that Date conversion from user inputs will use the local
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215 timezone, either from the database user (some database schemas have
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216 a timezone property for a user) or from a default in the roundup
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217 configuration. Roundup will store all times in UTC in the database
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218 but display the time to the user in their local timezone as
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219 configured. In the following examples the timezone correction for
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220 Eastern Standard Time (GMT-5, no DST) will be applied explicitly via
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221 an offset, but times are given in UTC in the output.
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222
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223 Examples::
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224
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225
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226 make doctest think it's always 2000-06-26.00:34:02:
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227 >>> u = test_ini('2000-06-26.00:34:02.0')
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228
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229 >>> Date("2000-04-17-0500")
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230 <Date 2000-04-17.05:00:00.000>
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231 >>> Date("01-25-0500")
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232 <Date 2000-01-25.05:00:00.000>
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233 >>> Date("2000-04-17.03:45-0500")
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234 <Date 2000-04-17.08:45:00.000>
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235 >>> Date("08-13.22:13-0500")
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236 <Date 2000-08-14.03:13:00.000>
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237 >>> Date("11-07.09:32:43-0500")
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238 <Date 2000-11-07.14:32:43.000>
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239 >>> Date("14:25-0500")
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240 <Date 2000-06-26.19:25:00.000>
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241 >>> Date("8:47:11-0500")
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242 <Date 2000-06-26.13:47:11.000>
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243 >>> Date("2003 -0500")
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244 <Date 2003-01-01.05:00:00.000>
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245 >>> Date("2003-06 -0500")
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246 <Date 2003-06-01.05:00:00.000>
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247
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248 "." means "right now":
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249 >>> Date(".")
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250 <Date 2000-06-26.00:34:02.000>
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251
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252 >>> test_fin(u)
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253
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254 The Date class should understand simple date expressions of the form
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255 stamp + interval and stamp - interval. When adding or subtracting
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256 intervals involving months or years, the components are handled
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257 separately. For example, when evaluating "2000-06-25 + 1m 10d", we
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258 first add one month to get 2000-07-25, then add 10 days to get
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259 2000-08-04 (rather than trying to decide whether 1m 10d means 38 or 40
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260 or 41 days). Example usage::
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261
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262 make doctest think it's always 2000-06-26.00:34:02:
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263 >>> u = test_ini('2000-06-26.00:34:02.0')
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264
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265 >>> Date(".")
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266 <Date 2000-06-26.00:34:02.000>
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267 >>> _.local(-5)
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268 <Date 2000-06-25.19:34:02.000>
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269 >>> Date(". + 2d")
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270 <Date 2000-06-28.00:34:02.000>
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271 >>> Date("1997-04-17", -5)
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272 <Date 1997-04-17.05:00:00.000>
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273 >>> Date("01-25", -5)
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274 <Date 2000-01-25.05:00:00.000>
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275 >>> Date("08-13.22:13", -5)
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276 <Date 2000-08-14.03:13:00.000>
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277 >>> Date("14:25", -5)
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278 <Date 2000-06-26.19:25:00.000>
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279
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280 The date format 'yyyymmddHHMMSS' (year, month, day, hour,
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281 minute, second) is the serialisation format returned by the serialise()
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282 method, and is accepted as an argument on instatiation.
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283
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284 In addition, a timezone specifier can be appended to the date format.
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285 The timezone specifier is a sign ("+" or "-") followed by a 4-digit
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286 number as in the RFC 2822 date format.
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287 The first two digits indicate the number of hours, while the last two
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288 digits indicate the number of minutes the time is offset from
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289 Coordinated Universal Time (UTC). The "+" or "-" sign indicate whether
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290 the time is ahead of (east of) or behind (west of) UTC. Note that a
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291 given timezone specifier *overrides* an offset given to the Date
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292 constructor. Examples::
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293
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294 >>> Date ("2000-08-14+0200")
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295 <Date 2000-08-13.22:00:00.000>
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296 >>> Date ("08-15.22:00+0200")
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297 <Date 2000-08-15.20:00:00.000>
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298 >>> Date ("08-15.22:47+0200")
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299 <Date 2000-08-15.20:47:00.000>
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300 >>> Date ("08-15.22:47+0200", offset = 5)
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301 <Date 2000-08-15.20:47:00.000>
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302 >>> Date ("08-15.22:47", offset = 5)
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303 <Date 2000-08-15.17:47:00.000>
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304
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305 The date class handles basic arithmetic, but note that arithmetic
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306 cannot be combined with timezone offsets (see last example)::
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307
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308 >>> x=test_ini('2004-04-06.22:04:20.766830')
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309 >>> d1=Date('.')
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310 >>> d1
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311 <Date 2004-04-06.22:04:20.767>
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312 >>> d2=Date('2003-07-01')
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313 >>> d2
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314 <Date 2003-07-01.00:00:00.000>
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315 >>> d1-d2
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316 <Interval + 280d 22:04:20>
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317 >>> i1=_
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318 >>> d2+i1
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319 <Date 2004-04-06.22:04:20.000>
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320 >>> d1-i1
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321 <Date 2003-07-01.00:00:00.000>
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322
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323 >>> test_fin(u)
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324 '''
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325
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326 __slots__ = ("year", "month", "day", "hour", "minute", "second",
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327 "_", "ngettext", "translator")
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328
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329 def __init__(self, spec='.', offset=0, add_granularity=False,
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330 translator=i18n):
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331 """Construct a date given a specification and a time zone offset.
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332
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333 'spec'
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334 is a full date or a partial form, with an optional added or
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335 subtracted interval. Or a date 9-tuple.
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336 'offset'
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337 is the local time zone offset from GMT in hours.
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338 'translator'
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339 is i18n module or one of gettext translation classes.
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340 It must have attributes 'gettext' and 'ngettext',
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341 serving as translation functions.
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342 """
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343 self.setTranslator(translator)
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344 # Python 2.3+ datetime object
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345 # common case when reading from database: avoid double-conversion
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346 if isinstance(spec, datetime.datetime):
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347 if offset == 0:
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348 self.year, self.month, self.day, self.hour, self.minute, \
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349 self.second = spec.timetuple()[:6]
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diff changeset
350 else:
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351 # FIXME: what is tz supposed to be? is it the trailing
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352 # tz on the spec? Is it the offset?
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353 tz = None
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354 TZ = get_timezone(tz)
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355 self.year, self.month, self.day, self.hour, self.minute, \
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356 self.second = TZ.localize(spec).utctimetuple()[:6]
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357 self.second += spec.microsecond/1000000.
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358 return
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359
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360 if isinstance(spec, type('')):
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361 self.set(spec, offset=offset, add_granularity=add_granularity)
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362 return
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363 elif hasattr(spec, 'tuple'):
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364 spec = spec.tuple()
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365 elif isinstance(spec, Date):
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366 spec = spec.get_tuple()
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diff changeset
367 try:
75
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diff changeset
368 y,m,d,H,M,S,x,x,x = spec
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diff changeset
369 S = min(S, 59.999)
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diff changeset
370 frac = S - int(S)
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371 self.year, self.month, self.day, self.hour, self.minute, \
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diff changeset
372 self.second = _local_to_utc(y, m, d, H, M, S, offset)
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diff changeset
373 # we lost the fractional part
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374 self.second = self.second + frac
4773
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Bernhard Reiter <bernhard@intevation.de>
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diff changeset
375 # making sure we match the precision of serialise()
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diff changeset
376 self.second = min(self.second, 59.999)
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diff changeset
377 except Exception:
5378
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diff changeset
378 raise ValueError('Unknown spec %r' % (spec,))
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379
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diff changeset
380 def now(self):
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381 """ To be able to override for testing
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382 """
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diff changeset
383 return utcnow()
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384
3456
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Richard Jones <richard@users.sourceforge.net>
parents: 3349
diff changeset
385 def set(self, spec, offset=0, date_re=date_re,
3954
3d5a0a949107 Fix granularity stuff so it handles wrapping a lot better.
Richard Jones <richard@users.sourceforge.net>
parents: 3953
diff changeset
386 serialised_re=serialised_date_re, add_granularity=False):
1535
26f29449c494 fixed detection of bad date specs [SF#691439]
Richard Jones <richard@users.sourceforge.net>
parents: 1509
diff changeset
387 ''' set the date to the value in spec
26f29449c494 fixed detection of bad date specs [SF#691439]
Richard Jones <richard@users.sourceforge.net>
parents: 1509
diff changeset
388 '''
1597
4d55f90d4af1 granularity based ranges
Andrey Lebedev <kedder@users.sourceforge.net>
parents: 1542
diff changeset
389
1535
26f29449c494 fixed detection of bad date specs [SF#691439]
Richard Jones <richard@users.sourceforge.net>
parents: 1509
diff changeset
390 m = serialised_re.match(spec)
26f29449c494 fixed detection of bad date specs [SF#691439]
Richard Jones <richard@users.sourceforge.net>
parents: 1509
diff changeset
391 if m is not None:
26f29449c494 fixed detection of bad date specs [SF#691439]
Richard Jones <richard@users.sourceforge.net>
parents: 1509
diff changeset
392 # we're serialised - easy!
2098
18addf2a8596 Implemented proper datatypes in mysql and postgresql backends...
Richard Jones <richard@users.sourceforge.net>
parents: 2005
diff changeset
393 g = m.groups()
2100
62ed6505cbec MySQL migration of old backend database to new, typed database complete.
Richard Jones <richard@users.sourceforge.net>
parents: 2098
diff changeset
394 (self.year, self.month, self.day, self.hour, self.minute) = \
62ed6505cbec MySQL migration of old backend database to new, typed database complete.
Richard Jones <richard@users.sourceforge.net>
parents: 2098
diff changeset
395 map(int, g[:5])
62ed6505cbec MySQL migration of old backend database to new, typed database complete.
Richard Jones <richard@users.sourceforge.net>
parents: 2098
diff changeset
396 self.second = float(g[5])
1535
26f29449c494 fixed detection of bad date specs [SF#691439]
Richard Jones <richard@users.sourceforge.net>
parents: 1509
diff changeset
397 return
26f29449c494 fixed detection of bad date specs [SF#691439]
Richard Jones <richard@users.sourceforge.net>
parents: 1509
diff changeset
398
26f29449c494 fixed detection of bad date specs [SF#691439]
Richard Jones <richard@users.sourceforge.net>
parents: 1509
diff changeset
399 # not serialised data, try usual format
26f29449c494 fixed detection of bad date specs [SF#691439]
Richard Jones <richard@users.sourceforge.net>
parents: 1509
diff changeset
400 m = date_re.match(spec)
26f29449c494 fixed detection of bad date specs [SF#691439]
Richard Jones <richard@users.sourceforge.net>
parents: 1509
diff changeset
401 if m is None:
5378
35ea9b1efc14 Python 3 preparation: "raise" syntax.
Joseph Myers <jsm@polyomino.org.uk>
parents: 5377
diff changeset
402 raise ValueError(self._('Not a date spec: %r '
4985
07c59221f363 Make doctests run in date module
Ralf Schlatterbeck <rsc@runtux.com>
parents: 4856
diff changeset
403 '("yyyy-mm-dd", "mm-dd", "HH:MM", "HH:MM:SS" or '
5378
35ea9b1efc14 Python 3 preparation: "raise" syntax.
Joseph Myers <jsm@polyomino.org.uk>
parents: 5377
diff changeset
404 '"yyyy-mm-dd.HH:MM:SS.SSS")' % spec))
1535
26f29449c494 fixed detection of bad date specs [SF#691439]
Richard Jones <richard@users.sourceforge.net>
parents: 1509
diff changeset
405
26f29449c494 fixed detection of bad date specs [SF#691439]
Richard Jones <richard@users.sourceforge.net>
parents: 1509
diff changeset
406 info = m.groupdict()
26f29449c494 fixed detection of bad date specs [SF#691439]
Richard Jones <richard@users.sourceforge.net>
parents: 1509
diff changeset
407
4072
d5e2767d4e91 Robustify Date.set.
Stefan Seefeld <stefan@seefeld.name>
parents: 3954
diff changeset
408 # If add_granularity is true, construct the maximum time given
d5e2767d4e91 Robustify Date.set.
Stefan Seefeld <stefan@seefeld.name>
parents: 3954
diff changeset
409 # the precision of the input. For example, given the input
d5e2767d4e91 Robustify Date.set.
Stefan Seefeld <stefan@seefeld.name>
parents: 3954
diff changeset
410 # "12:15", construct "12:15:59". Or, for "2008", construct
d5e2767d4e91 Robustify Date.set.
Stefan Seefeld <stefan@seefeld.name>
parents: 3954
diff changeset
411 # "2008-12-31.23:59:59".
1597
4d55f90d4af1 granularity based ranges
Andrey Lebedev <kedder@users.sourceforge.net>
parents: 1542
diff changeset
412 if add_granularity:
3954
3d5a0a949107 Fix granularity stuff so it handles wrapping a lot better.
Richard Jones <richard@users.sourceforge.net>
parents: 3953
diff changeset
413 for gran in 'SMHdmy':
3d5a0a949107 Fix granularity stuff so it handles wrapping a lot better.
Richard Jones <richard@users.sourceforge.net>
parents: 3953
diff changeset
414 if info[gran] is not None:
3d5a0a949107 Fix granularity stuff so it handles wrapping a lot better.
Richard Jones <richard@users.sourceforge.net>
parents: 3953
diff changeset
415 if gran == 'S':
3d5a0a949107 Fix granularity stuff so it handles wrapping a lot better.
Richard Jones <richard@users.sourceforge.net>
parents: 3953
diff changeset
416 raise ValueError
3d5a0a949107 Fix granularity stuff so it handles wrapping a lot better.
Richard Jones <richard@users.sourceforge.net>
parents: 3953
diff changeset
417 elif gran == 'M':
3d5a0a949107 Fix granularity stuff so it handles wrapping a lot better.
Richard Jones <richard@users.sourceforge.net>
parents: 3953
diff changeset
418 add_granularity = Interval('00:01')
3d5a0a949107 Fix granularity stuff so it handles wrapping a lot better.
Richard Jones <richard@users.sourceforge.net>
parents: 3953
diff changeset
419 elif gran == 'H':
3d5a0a949107 Fix granularity stuff so it handles wrapping a lot better.
Richard Jones <richard@users.sourceforge.net>
parents: 3953
diff changeset
420 add_granularity = Interval('01:00')
3d5a0a949107 Fix granularity stuff so it handles wrapping a lot better.
Richard Jones <richard@users.sourceforge.net>
parents: 3953
diff changeset
421 else:
6193
69b1aaf9c51f pep8 changes,
John Rouillard <rouilj@ieee.org>
parents: 5811
diff changeset
422 add_granularity = Interval('+1%s' % gran)
3954
3d5a0a949107 Fix granularity stuff so it handles wrapping a lot better.
Richard Jones <richard@users.sourceforge.net>
parents: 3953
diff changeset
423 break
4072
d5e2767d4e91 Robustify Date.set.
Stefan Seefeld <stefan@seefeld.name>
parents: 3954
diff changeset
424 else:
d5e2767d4e91 Robustify Date.set.
Stefan Seefeld <stefan@seefeld.name>
parents: 3954
diff changeset
425 raise ValueError(self._('Could not determine granularity'))
1597
4d55f90d4af1 granularity based ranges
Andrey Lebedev <kedder@users.sourceforge.net>
parents: 1542
diff changeset
426
1535
26f29449c494 fixed detection of bad date specs [SF#691439]
Richard Jones <richard@users.sourceforge.net>
parents: 1509
diff changeset
427 # get the current date as our default
4985
07c59221f363 Make doctests run in date module
Ralf Schlatterbeck <rsc@runtux.com>
parents: 4856
diff changeset
428 dt = self.now()
3822
2a60b68985db Fix arbitrary limit on dates.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3798
diff changeset
429 y,m,d,H,M,S,x,x,x = dt.timetuple()
2a60b68985db Fix arbitrary limit on dates.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3798
diff changeset
430 S += dt.microsecond/1000000.
1535
26f29449c494 fixed detection of bad date specs [SF#691439]
Richard Jones <richard@users.sourceforge.net>
parents: 1509
diff changeset
431
3619
df7bff6f8a2f full timezone support (based on patch [SF#1465296])
Alexander Smishlajev <a1s@users.sourceforge.net>
parents: 3612
diff changeset
432 # whether we need to convert to UTC
df7bff6f8a2f full timezone support (based on patch [SF#1465296])
Alexander Smishlajev <a1s@users.sourceforge.net>
parents: 3612
diff changeset
433 adjust = False
df7bff6f8a2f full timezone support (based on patch [SF#1465296])
Alexander Smishlajev <a1s@users.sourceforge.net>
parents: 3612
diff changeset
434
1599
cc96bf971b33 extended date syntax to make range searches even more useful
Andrey Lebedev <kedder@users.sourceforge.net>
parents: 1597
diff changeset
435 if info['y'] is not None or info['a'] is not None:
1535
26f29449c494 fixed detection of bad date specs [SF#691439]
Richard Jones <richard@users.sourceforge.net>
parents: 1509
diff changeset
436 if info['y'] is not None:
26f29449c494 fixed detection of bad date specs [SF#691439]
Richard Jones <richard@users.sourceforge.net>
parents: 1509
diff changeset
437 y = int(info['y'])
1599
cc96bf971b33 extended date syntax to make range searches even more useful
Andrey Lebedev <kedder@users.sourceforge.net>
parents: 1597
diff changeset
438 m,d = (1,1)
cc96bf971b33 extended date syntax to make range searches even more useful
Andrey Lebedev <kedder@users.sourceforge.net>
parents: 1597
diff changeset
439 if info['m'] is not None:
cc96bf971b33 extended date syntax to make range searches even more useful
Andrey Lebedev <kedder@users.sourceforge.net>
parents: 1597
diff changeset
440 m = int(info['m'])
cc96bf971b33 extended date syntax to make range searches even more useful
Andrey Lebedev <kedder@users.sourceforge.net>
parents: 1597
diff changeset
441 if info['d'] is not None:
cc96bf971b33 extended date syntax to make range searches even more useful
Andrey Lebedev <kedder@users.sourceforge.net>
parents: 1597
diff changeset
442 d = int(info['d'])
cc96bf971b33 extended date syntax to make range searches even more useful
Andrey Lebedev <kedder@users.sourceforge.net>
parents: 1597
diff changeset
443 if info['a'] is not None:
cc96bf971b33 extended date syntax to make range searches even more useful
Andrey Lebedev <kedder@users.sourceforge.net>
parents: 1597
diff changeset
444 m = int(info['a'])
cc96bf971b33 extended date syntax to make range searches even more useful
Andrey Lebedev <kedder@users.sourceforge.net>
parents: 1597
diff changeset
445 d = int(info['b'])
3619
df7bff6f8a2f full timezone support (based on patch [SF#1465296])
Alexander Smishlajev <a1s@users.sourceforge.net>
parents: 3612
diff changeset
446 H = 0
1535
26f29449c494 fixed detection of bad date specs [SF#691439]
Richard Jones <richard@users.sourceforge.net>
parents: 1509
diff changeset
447 M = S = 0
3619
df7bff6f8a2f full timezone support (based on patch [SF#1465296])
Alexander Smishlajev <a1s@users.sourceforge.net>
parents: 3612
diff changeset
448 adjust = True
1535
26f29449c494 fixed detection of bad date specs [SF#691439]
Richard Jones <richard@users.sourceforge.net>
parents: 1509
diff changeset
449
26f29449c494 fixed detection of bad date specs [SF#691439]
Richard Jones <richard@users.sourceforge.net>
parents: 1509
diff changeset
450 # override hour, minute, second parts
26f29449c494 fixed detection of bad date specs [SF#691439]
Richard Jones <richard@users.sourceforge.net>
parents: 1509
diff changeset
451 if info['H'] is not None and info['M'] is not None:
3619
df7bff6f8a2f full timezone support (based on patch [SF#1465296])
Alexander Smishlajev <a1s@users.sourceforge.net>
parents: 3612
diff changeset
452 H = int(info['H'])
1535
26f29449c494 fixed detection of bad date specs [SF#691439]
Richard Jones <richard@users.sourceforge.net>
parents: 1509
diff changeset
453 M = int(info['M'])
26f29449c494 fixed detection of bad date specs [SF#691439]
Richard Jones <richard@users.sourceforge.net>
parents: 1509
diff changeset
454 S = 0
2100
62ed6505cbec MySQL migration of old backend database to new, typed database complete.
Richard Jones <richard@users.sourceforge.net>
parents: 2098
diff changeset
455 if info['S'] is not None:
62ed6505cbec MySQL migration of old backend database to new, typed database complete.
Richard Jones <richard@users.sourceforge.net>
parents: 2098
diff changeset
456 S = float(info['S'])
3619
df7bff6f8a2f full timezone support (based on patch [SF#1465296])
Alexander Smishlajev <a1s@users.sourceforge.net>
parents: 3612
diff changeset
457 adjust = True
1535
26f29449c494 fixed detection of bad date specs [SF#691439]
Richard Jones <richard@users.sourceforge.net>
parents: 1509
diff changeset
458
4986
fe140bc0eaa9 Implement (and document) timezone offsets
Ralf Schlatterbeck <rsc@runtux.com>
parents: 4985
diff changeset
459 if info.get('tz', None):
fe140bc0eaa9 Implement (and document) timezone offsets
Ralf Schlatterbeck <rsc@runtux.com>
parents: 4985
diff changeset
460 offset = 0
2339
6ba57546d212 fix i18n - mainly plural forms in Interval.pretty()
Alexander Smishlajev <a1s@users.sourceforge.net>
parents: 2262
diff changeset
461
1535
26f29449c494 fixed detection of bad date specs [SF#691439]
Richard Jones <richard@users.sourceforge.net>
parents: 1509
diff changeset
462 # now handle the adjustment of hour
2098
18addf2a8596 Implemented proper datatypes in mysql and postgresql backends...
Richard Jones <richard@users.sourceforge.net>
parents: 2005
diff changeset
463 frac = S - int(S)
3822
2a60b68985db Fix arbitrary limit on dates.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3798
diff changeset
464 dt = datetime.datetime(y,m,d,H,M,int(S), int(frac * 1000000.))
2a60b68985db Fix arbitrary limit on dates.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3798
diff changeset
465 y, m, d, H, M, S, x, x, x = dt.timetuple()
3619
df7bff6f8a2f full timezone support (based on patch [SF#1465296])
Alexander Smishlajev <a1s@users.sourceforge.net>
parents: 3612
diff changeset
466 if adjust:
df7bff6f8a2f full timezone support (based on patch [SF#1465296])
Alexander Smishlajev <a1s@users.sourceforge.net>
parents: 3612
diff changeset
467 y, m, d, H, M, S = _local_to_utc(y, m, d, H, M, S, offset)
1535
26f29449c494 fixed detection of bad date specs [SF#691439]
Richard Jones <richard@users.sourceforge.net>
parents: 1509
diff changeset
468 self.year, self.month, self.day, self.hour, self.minute, \
3619
df7bff6f8a2f full timezone support (based on patch [SF#1465296])
Alexander Smishlajev <a1s@users.sourceforge.net>
parents: 3612
diff changeset
469 self.second = y, m, d, H, M, S
2098
18addf2a8596 Implemented proper datatypes in mysql and postgresql backends...
Richard Jones <richard@users.sourceforge.net>
parents: 2005
diff changeset
470 # we lost the fractional part along the way
3822
2a60b68985db Fix arbitrary limit on dates.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3798
diff changeset
471 self.second += dt.microsecond/1000000.
1535
26f29449c494 fixed detection of bad date specs [SF#691439]
Richard Jones <richard@users.sourceforge.net>
parents: 1509
diff changeset
472
26f29449c494 fixed detection of bad date specs [SF#691439]
Richard Jones <richard@users.sourceforge.net>
parents: 1509
diff changeset
473 if info.get('o', None):
26f29449c494 fixed detection of bad date specs [SF#691439]
Richard Jones <richard@users.sourceforge.net>
parents: 1509
diff changeset
474 try:
1537
0e36c9b23aa6 more lenient date input and addition Interval input support [SF#677764]
Richard Jones <richard@users.sourceforge.net>
parents: 1535
diff changeset
475 self.applyInterval(Interval(info['o'], allowdate=0))
1535
26f29449c494 fixed detection of bad date specs [SF#691439]
Richard Jones <richard@users.sourceforge.net>
parents: 1509
diff changeset
476 except ValueError:
5378
35ea9b1efc14 Python 3 preparation: "raise" syntax.
Joseph Myers <jsm@polyomino.org.uk>
parents: 5377
diff changeset
477 raise ValueError(self._('%r not a date / time spec '
3151
6feac4fcf883 Various bug fixes.
Richard Jones <richard@users.sourceforge.net>
parents: 3028
diff changeset
478 '"yyyy-mm-dd", "mm-dd", "HH:MM", "HH:MM:SS" or '
6193
69b1aaf9c51f pep8 changes,
John Rouillard <rouilj@ieee.org>
parents: 5811
diff changeset
479 '"yyyy-mm-dd.HH:MM:SS.SSS"') % (spec,))
1535
26f29449c494 fixed detection of bad date specs [SF#691439]
Richard Jones <richard@users.sourceforge.net>
parents: 1509
diff changeset
480
4986
fe140bc0eaa9 Implement (and document) timezone offsets
Ralf Schlatterbeck <rsc@runtux.com>
parents: 4985
diff changeset
481 if info.get('tz', None):
6193
69b1aaf9c51f pep8 changes,
John Rouillard <rouilj@ieee.org>
parents: 5811
diff changeset
482 tz = info['tz'].strip()
69b1aaf9c51f pep8 changes,
John Rouillard <rouilj@ieee.org>
parents: 5811
diff changeset
483 sign = [-1, 1][tz[0] == '-']
69b1aaf9c51f pep8 changes,
John Rouillard <rouilj@ieee.org>
parents: 5811
diff changeset
484 minute = int(tz[3:], 10)
69b1aaf9c51f pep8 changes,
John Rouillard <rouilj@ieee.org>
parents: 5811
diff changeset
485 hour = int(tz[1:3], 10)
4986
fe140bc0eaa9 Implement (and document) timezone offsets
Ralf Schlatterbeck <rsc@runtux.com>
parents: 4985
diff changeset
486 self.applyInterval(Interval((0, 0, 0, hour, minute, 0), sign=sign))
fe140bc0eaa9 Implement (and document) timezone offsets
Ralf Schlatterbeck <rsc@runtux.com>
parents: 4985
diff changeset
487
3954
3d5a0a949107 Fix granularity stuff so it handles wrapping a lot better.
Richard Jones <richard@users.sourceforge.net>
parents: 3953
diff changeset
488 # adjust by added granularity
3d5a0a949107 Fix granularity stuff so it handles wrapping a lot better.
Richard Jones <richard@users.sourceforge.net>
parents: 3953
diff changeset
489 if add_granularity:
3d5a0a949107 Fix granularity stuff so it handles wrapping a lot better.
Richard Jones <richard@users.sourceforge.net>
parents: 3953
diff changeset
490 self.applyInterval(add_granularity)
3d5a0a949107 Fix granularity stuff so it handles wrapping a lot better.
Richard Jones <richard@users.sourceforge.net>
parents: 3953
diff changeset
491 self.applyInterval(Interval('- 00:00:01'))
3d5a0a949107 Fix granularity stuff so it handles wrapping a lot better.
Richard Jones <richard@users.sourceforge.net>
parents: 3953
diff changeset
492
861
68cef2bb929d fixed the date module so that Date(". - 2d") works
Richard Jones <richard@users.sourceforge.net>
parents: 720
diff changeset
493 def addInterval(self, interval):
68cef2bb929d fixed the date module so that Date(". - 2d") works
Richard Jones <richard@users.sourceforge.net>
parents: 720
diff changeset
494 ''' Add the interval to this date, returning the date tuple
25
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
495 '''
640
7dd13fd5d8ea fixed some problems in date calculations
Richard Jones <richard@users.sourceforge.net>
parents: 585
diff changeset
496 # do the basic calc
861
68cef2bb929d fixed the date module so that Date(". - 2d") works
Richard Jones <richard@users.sourceforge.net>
parents: 720
diff changeset
497 sign = interval.sign
68cef2bb929d fixed the date module so that Date(". - 2d") works
Richard Jones <richard@users.sourceforge.net>
parents: 720
diff changeset
498 year = self.year + sign * interval.year
68cef2bb929d fixed the date module so that Date(". - 2d") works
Richard Jones <richard@users.sourceforge.net>
parents: 720
diff changeset
499 month = self.month + sign * interval.month
68cef2bb929d fixed the date module so that Date(". - 2d") works
Richard Jones <richard@users.sourceforge.net>
parents: 720
diff changeset
500 day = self.day + sign * interval.day
68cef2bb929d fixed the date module so that Date(". - 2d") works
Richard Jones <richard@users.sourceforge.net>
parents: 720
diff changeset
501 hour = self.hour + sign * interval.hour
68cef2bb929d fixed the date module so that Date(". - 2d") works
Richard Jones <richard@users.sourceforge.net>
parents: 720
diff changeset
502 minute = self.minute + sign * interval.minute
2100
62ed6505cbec MySQL migration of old backend database to new, typed database complete.
Richard Jones <richard@users.sourceforge.net>
parents: 2098
diff changeset
503 # Intervals work on whole seconds
62ed6505cbec MySQL migration of old backend database to new, typed database complete.
Richard Jones <richard@users.sourceforge.net>
parents: 2098
diff changeset
504 second = int(self.second) + sign * interval.second
640
7dd13fd5d8ea fixed some problems in date calculations
Richard Jones <richard@users.sourceforge.net>
parents: 585
diff changeset
505
7dd13fd5d8ea fixed some problems in date calculations
Richard Jones <richard@users.sourceforge.net>
parents: 585
diff changeset
506 # now cope with under- and over-flow
7dd13fd5d8ea fixed some problems in date calculations
Richard Jones <richard@users.sourceforge.net>
parents: 585
diff changeset
507 # first do the time
7dd13fd5d8ea fixed some problems in date calculations
Richard Jones <richard@users.sourceforge.net>
parents: 585
diff changeset
508 while (second < 0 or second > 59 or minute < 0 or minute > 59 or
1941
bcc65c5b86e6 fixed date arithmetic to not allow day-of-month == 0 [SF#853306]
Richard Jones <richard@users.sourceforge.net>
parents: 1930
diff changeset
509 hour < 0 or hour > 23):
640
7dd13fd5d8ea fixed some problems in date calculations
Richard Jones <richard@users.sourceforge.net>
parents: 585
diff changeset
510 if second < 0: minute -= 1; second += 60
7dd13fd5d8ea fixed some problems in date calculations
Richard Jones <richard@users.sourceforge.net>
parents: 585
diff changeset
511 elif second > 59: minute += 1; second -= 60
7dd13fd5d8ea fixed some problems in date calculations
Richard Jones <richard@users.sourceforge.net>
parents: 585
diff changeset
512 if minute < 0: hour -= 1; minute += 60
7dd13fd5d8ea fixed some problems in date calculations
Richard Jones <richard@users.sourceforge.net>
parents: 585
diff changeset
513 elif minute > 59: hour += 1; minute -= 60
641
cfa460943d4d Oops, there's 24 hours in a day...
Richard Jones <richard@users.sourceforge.net>
parents: 640
diff changeset
514 if hour < 0: day -= 1; hour += 24
1941
bcc65c5b86e6 fixed date arithmetic to not allow day-of-month == 0 [SF#853306]
Richard Jones <richard@users.sourceforge.net>
parents: 1930
diff changeset
515 elif hour > 23: day += 1; hour -= 24
640
7dd13fd5d8ea fixed some problems in date calculations
Richard Jones <richard@users.sourceforge.net>
parents: 585
diff changeset
516
7dd13fd5d8ea fixed some problems in date calculations
Richard Jones <richard@users.sourceforge.net>
parents: 585
diff changeset
517 # fix up the month so we're within range
7dd13fd5d8ea fixed some problems in date calculations
Richard Jones <richard@users.sourceforge.net>
parents: 585
diff changeset
518 while month < 1 or month > 12:
7dd13fd5d8ea fixed some problems in date calculations
Richard Jones <richard@users.sourceforge.net>
parents: 585
diff changeset
519 if month < 1: year -= 1; month += 12
7dd13fd5d8ea fixed some problems in date calculations
Richard Jones <richard@users.sourceforge.net>
parents: 585
diff changeset
520 if month > 12: year += 1; month -= 12
7dd13fd5d8ea fixed some problems in date calculations
Richard Jones <richard@users.sourceforge.net>
parents: 585
diff changeset
521
7dd13fd5d8ea fixed some problems in date calculations
Richard Jones <richard@users.sourceforge.net>
parents: 585
diff changeset
522 # now do the days, now that we know what month we're in
1941
bcc65c5b86e6 fixed date arithmetic to not allow day-of-month == 0 [SF#853306]
Richard Jones <richard@users.sourceforge.net>
parents: 1930
diff changeset
523 def get_mdays(year, month):
1885
deba54ed724f Date arithmetic fixes.
Anthony Baxter <anthonybaxter@users.sourceforge.net>
parents: 1600
diff changeset
524 if month == 2 and calendar.isleap(year): return 29
deba54ed724f Date arithmetic fixes.
Anthony Baxter <anthonybaxter@users.sourceforge.net>
parents: 1600
diff changeset
525 else: return calendar.mdays[month]
1941
bcc65c5b86e6 fixed date arithmetic to not allow day-of-month == 0 [SF#853306]
Richard Jones <richard@users.sourceforge.net>
parents: 1930
diff changeset
526
6193
69b1aaf9c51f pep8 changes,
John Rouillard <rouilj@ieee.org>
parents: 5811
diff changeset
527 while month < 1 or month > 12 or day < 1 or \
69b1aaf9c51f pep8 changes,
John Rouillard <rouilj@ieee.org>
parents: 5811
diff changeset
528 day > get_mdays(year, month):
640
7dd13fd5d8ea fixed some problems in date calculations
Richard Jones <richard@users.sourceforge.net>
parents: 585
diff changeset
529 # now to day under/over
2339
6ba57546d212 fix i18n - mainly plural forms in Interval.pretty()
Alexander Smishlajev <a1s@users.sourceforge.net>
parents: 2262
diff changeset
530 if day < 1:
1885
deba54ed724f Date arithmetic fixes.
Anthony Baxter <anthonybaxter@users.sourceforge.net>
parents: 1600
diff changeset
531 # When going backwards, decrement month, then increment days
deba54ed724f Date arithmetic fixes.
Anthony Baxter <anthonybaxter@users.sourceforge.net>
parents: 1600
diff changeset
532 month -= 1
6193
69b1aaf9c51f pep8 changes,
John Rouillard <rouilj@ieee.org>
parents: 5811
diff changeset
533 day += get_mdays(year, month)
69b1aaf9c51f pep8 changes,
John Rouillard <rouilj@ieee.org>
parents: 5811
diff changeset
534 elif day > get_mdays(year, month):
1885
deba54ed724f Date arithmetic fixes.
Anthony Baxter <anthonybaxter@users.sourceforge.net>
parents: 1600
diff changeset
535 # When going forwards, decrement days, then increment month
6193
69b1aaf9c51f pep8 changes,
John Rouillard <rouilj@ieee.org>
parents: 5811
diff changeset
536 day -= get_mdays(year, month)
1885
deba54ed724f Date arithmetic fixes.
Anthony Baxter <anthonybaxter@users.sourceforge.net>
parents: 1600
diff changeset
537 month += 1
640
7dd13fd5d8ea fixed some problems in date calculations
Richard Jones <richard@users.sourceforge.net>
parents: 585
diff changeset
538
7dd13fd5d8ea fixed some problems in date calculations
Richard Jones <richard@users.sourceforge.net>
parents: 585
diff changeset
539 # possibly fix up the month so we're within range
7dd13fd5d8ea fixed some problems in date calculations
Richard Jones <richard@users.sourceforge.net>
parents: 585
diff changeset
540 while month < 1 or month > 12:
6193
69b1aaf9c51f pep8 changes,
John Rouillard <rouilj@ieee.org>
parents: 5811
diff changeset
541 if month < 1: year -= 1; month += 12; day += 31
640
7dd13fd5d8ea fixed some problems in date calculations
Richard Jones <richard@users.sourceforge.net>
parents: 585
diff changeset
542 if month > 12: year += 1; month -= 12
7dd13fd5d8ea fixed some problems in date calculations
Richard Jones <richard@users.sourceforge.net>
parents: 585
diff changeset
543
861
68cef2bb929d fixed the date module so that Date(". - 2d") works
Richard Jones <richard@users.sourceforge.net>
parents: 720
diff changeset
544 return (year, month, day, hour, minute, second, 0, 0, 0)
640
7dd13fd5d8ea fixed some problems in date calculations
Richard Jones <richard@users.sourceforge.net>
parents: 585
diff changeset
545
1894
41ad8b781232 Date - Date works again.
Anthony Baxter <anthonybaxter@users.sourceforge.net>
parents: 1885
diff changeset
546 def differenceDate(self, other):
41ad8b781232 Date - Date works again.
Anthony Baxter <anthonybaxter@users.sourceforge.net>
parents: 1885
diff changeset
547 "Return the difference between this date and another date"
2189
d39068bc6ef9 implement differenceDate ;)
Richard Jones <richard@users.sourceforge.net>
parents: 2188
diff changeset
548 return self - other
1894
41ad8b781232 Date - Date works again.
Anthony Baxter <anthonybaxter@users.sourceforge.net>
parents: 1885
diff changeset
549
861
68cef2bb929d fixed the date module so that Date(". - 2d") works
Richard Jones <richard@users.sourceforge.net>
parents: 720
diff changeset
550 def applyInterval(self, interval):
68cef2bb929d fixed the date module so that Date(". - 2d") works
Richard Jones <richard@users.sourceforge.net>
parents: 720
diff changeset
551 ''' Apply the interval to this date
68cef2bb929d fixed the date module so that Date(". - 2d") works
Richard Jones <richard@users.sourceforge.net>
parents: 720
diff changeset
552 '''
68cef2bb929d fixed the date module so that Date(". - 2d") works
Richard Jones <richard@users.sourceforge.net>
parents: 720
diff changeset
553 self.year, self.month, self.day, self.hour, self.minute, \
68cef2bb929d fixed the date module so that Date(". - 2d") works
Richard Jones <richard@users.sourceforge.net>
parents: 720
diff changeset
554 self.second, x, x, x = self.addInterval(interval)
68cef2bb929d fixed the date module so that Date(". - 2d") works
Richard Jones <richard@users.sourceforge.net>
parents: 720
diff changeset
555
68cef2bb929d fixed the date module so that Date(". - 2d") works
Richard Jones <richard@users.sourceforge.net>
parents: 720
diff changeset
556 def __add__(self, interval):
68cef2bb929d fixed the date module so that Date(". - 2d") works
Richard Jones <richard@users.sourceforge.net>
parents: 720
diff changeset
557 """Add an interval to this date to produce another date.
68cef2bb929d fixed the date module so that Date(". - 2d") works
Richard Jones <richard@users.sourceforge.net>
parents: 720
diff changeset
558 """
2388
8a9af227a557 Date and Interval objects allow to change translator after instance creation...
Alexander Smishlajev <a1s@users.sourceforge.net>
parents: 2359
diff changeset
559 return Date(self.addInterval(interval), translator=self.translator)
25
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
560
1103
db787cef1385 handled some XXXs
Richard Jones <richard@users.sourceforge.net>
parents: 1094
diff changeset
561 # deviates from spec to allow subtraction of dates as well
25
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
562 def __sub__(self, other):
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
563 """ Subtract:
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
564 1. an interval from this date to produce another date.
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
565 2. a date from this date to produce an interval.
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
566 """
641
cfa460943d4d Oops, there's 24 hours in a day...
Richard Jones <richard@users.sourceforge.net>
parents: 640
diff changeset
567 if isinstance(other, Interval):
1094
854d45f8b745 fixes to tests and Interval unmarshalling
Richard Jones <richard@users.sourceforge.net>
parents: 1090
diff changeset
568 other = Interval(other.get_tuple())
854d45f8b745 fixes to tests and Interval unmarshalling
Richard Jones <richard@users.sourceforge.net>
parents: 1090
diff changeset
569 other.sign *= -1
641
cfa460943d4d Oops, there's 24 hours in a day...
Richard Jones <richard@users.sourceforge.net>
parents: 640
diff changeset
570 return self.__add__(other)
cfa460943d4d Oops, there's 24 hours in a day...
Richard Jones <richard@users.sourceforge.net>
parents: 640
diff changeset
571
cfa460943d4d Oops, there's 24 hours in a day...
Richard Jones <richard@users.sourceforge.net>
parents: 640
diff changeset
572 assert isinstance(other, Date), 'May only subtract Dates or Intervals'
cfa460943d4d Oops, there's 24 hours in a day...
Richard Jones <richard@users.sourceforge.net>
parents: 640
diff changeset
573
1894
41ad8b781232 Date - Date works again.
Anthony Baxter <anthonybaxter@users.sourceforge.net>
parents: 1885
diff changeset
574 return self.dateDelta(other)
41ad8b781232 Date - Date works again.
Anthony Baxter <anthonybaxter@users.sourceforge.net>
parents: 1885
diff changeset
575
41ad8b781232 Date - Date works again.
Anthony Baxter <anthonybaxter@users.sourceforge.net>
parents: 1885
diff changeset
576 def dateDelta(self, other):
41ad8b781232 Date - Date works again.
Anthony Baxter <anthonybaxter@users.sourceforge.net>
parents: 1885
diff changeset
577 """ Produce an Interval of the difference between this date
41ad8b781232 Date - Date works again.
Anthony Baxter <anthonybaxter@users.sourceforge.net>
parents: 1885
diff changeset
578 and another date. Only returns days:hours:minutes:seconds.
41ad8b781232 Date - Date works again.
Anthony Baxter <anthonybaxter@users.sourceforge.net>
parents: 1885
diff changeset
579 """
41ad8b781232 Date - Date works again.
Anthony Baxter <anthonybaxter@users.sourceforge.net>
parents: 1885
diff changeset
580 # Returning intervals larger than a day is almost
41ad8b781232 Date - Date works again.
Anthony Baxter <anthonybaxter@users.sourceforge.net>
parents: 1885
diff changeset
581 # impossible - months, years, weeks, are all so imprecise.
641
cfa460943d4d Oops, there's 24 hours in a day...
Richard Jones <richard@users.sourceforge.net>
parents: 640
diff changeset
582 a = calendar.timegm((self.year, self.month, self.day, self.hour,
6193
69b1aaf9c51f pep8 changes,
John Rouillard <rouilj@ieee.org>
parents: 5811
diff changeset
583 self.minute, self.second, 0, 0, 0))
641
cfa460943d4d Oops, there's 24 hours in a day...
Richard Jones <richard@users.sourceforge.net>
parents: 640
diff changeset
584 b = calendar.timegm((other.year, other.month, other.day,
6193
69b1aaf9c51f pep8 changes,
John Rouillard <rouilj@ieee.org>
parents: 5811
diff changeset
585 other.hour, other.minute, other.second, 0, 0, 0))
2100
62ed6505cbec MySQL migration of old backend database to new, typed database complete.
Richard Jones <richard@users.sourceforge.net>
parents: 2098
diff changeset
586 # intervals work in whole seconds
62ed6505cbec MySQL migration of old backend database to new, typed database complete.
Richard Jones <richard@users.sourceforge.net>
parents: 2098
diff changeset
587 diff = int(a - b)
1894
41ad8b781232 Date - Date works again.
Anthony Baxter <anthonybaxter@users.sourceforge.net>
parents: 1885
diff changeset
588 if diff > 0:
641
cfa460943d4d Oops, there's 24 hours in a day...
Richard Jones <richard@users.sourceforge.net>
parents: 640
diff changeset
589 sign = 1
cfa460943d4d Oops, there's 24 hours in a day...
Richard Jones <richard@users.sourceforge.net>
parents: 640
diff changeset
590 else:
cfa460943d4d Oops, there's 24 hours in a day...
Richard Jones <richard@users.sourceforge.net>
parents: 640
diff changeset
591 sign = -1
1894
41ad8b781232 Date - Date works again.
Anthony Baxter <anthonybaxter@users.sourceforge.net>
parents: 1885
diff changeset
592 diff = -diff
6193
69b1aaf9c51f pep8 changes,
John Rouillard <rouilj@ieee.org>
parents: 5811
diff changeset
593 S = diff % 60
69b1aaf9c51f pep8 changes,
John Rouillard <rouilj@ieee.org>
parents: 5811
diff changeset
594 M = (diff//60) % 60
69b1aaf9c51f pep8 changes,
John Rouillard <rouilj@ieee.org>
parents: 5811
diff changeset
595 H = (diff//(60*60)) % 24
5400
2120f77554d5 Python 3 preparation: use // and __truediv__ as needed.
Joseph Myers <jsm@polyomino.org.uk>
parents: 5394
diff changeset
596 d = diff//(24*60*60)
2388
8a9af227a557 Date and Interval objects allow to change translator after instance creation...
Alexander Smishlajev <a1s@users.sourceforge.net>
parents: 2359
diff changeset
597 return Interval((0, 0, d, H, M, S), sign=sign,
6193
69b1aaf9c51f pep8 changes,
John Rouillard <rouilj@ieee.org>
parents: 5811
diff changeset
598 translator=self.translator)
25
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
599
2102
666402433998 Fix some tests.
Richard Jones <richard@users.sourceforge.net>
parents: 2100
diff changeset
600 def __cmp__(self, other, int_seconds=0):
25
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
601 """Compare this date to another date."""
543
22e0edf7da6e lots of date/interval related changes: more relaxed date format for input
Richard Jones <richard@users.sourceforge.net>
parents: 501
diff changeset
602 if other is None:
22e0edf7da6e lots of date/interval related changes: more relaxed date format for input
Richard Jones <richard@users.sourceforge.net>
parents: 501
diff changeset
603 return 1
2102
666402433998 Fix some tests.
Richard Jones <richard@users.sourceforge.net>
parents: 2100
diff changeset
604 for attr in ('year', 'month', 'day', 'hour', 'minute'):
890
a568596dbea7 Unit tests and a few fixes.
Richard Jones <richard@users.sourceforge.net>
parents: 861
diff changeset
605 if not hasattr(other, attr):
a568596dbea7 Unit tests and a few fixes.
Richard Jones <richard@users.sourceforge.net>
parents: 861
diff changeset
606 return 1
25
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
607 r = cmp(getattr(self, attr), getattr(other, attr))
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
608 if r: return r
2102
666402433998 Fix some tests.
Richard Jones <richard@users.sourceforge.net>
parents: 2100
diff changeset
609 if not hasattr(other, 'second'):
666402433998 Fix some tests.
Richard Jones <richard@users.sourceforge.net>
parents: 2100
diff changeset
610 return 1
666402433998 Fix some tests.
Richard Jones <richard@users.sourceforge.net>
parents: 2100
diff changeset
611 if int_seconds:
666402433998 Fix some tests.
Richard Jones <richard@users.sourceforge.net>
parents: 2100
diff changeset
612 return cmp(int(self.second), int(other.second))
666402433998 Fix some tests.
Richard Jones <richard@users.sourceforge.net>
parents: 2100
diff changeset
613 return cmp(self.second, other.second)
25
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
614
5414
3fa026621f69 Python 3 preparation: comparisons.
Joseph Myers <jsm@polyomino.org.uk>
parents: 5400
diff changeset
615 def __lt__(self, other):
3fa026621f69 Python 3 preparation: comparisons.
Joseph Myers <jsm@polyomino.org.uk>
parents: 5400
diff changeset
616 return self.__cmp__(other) < 0
6193
69b1aaf9c51f pep8 changes,
John Rouillard <rouilj@ieee.org>
parents: 5811
diff changeset
617
5414
3fa026621f69 Python 3 preparation: comparisons.
Joseph Myers <jsm@polyomino.org.uk>
parents: 5400
diff changeset
618 def __le__(self, other):
3fa026621f69 Python 3 preparation: comparisons.
Joseph Myers <jsm@polyomino.org.uk>
parents: 5400
diff changeset
619 return self.__cmp__(other) <= 0
6193
69b1aaf9c51f pep8 changes,
John Rouillard <rouilj@ieee.org>
parents: 5811
diff changeset
620
5414
3fa026621f69 Python 3 preparation: comparisons.
Joseph Myers <jsm@polyomino.org.uk>
parents: 5400
diff changeset
621 def __eq__(self, other):
3fa026621f69 Python 3 preparation: comparisons.
Joseph Myers <jsm@polyomino.org.uk>
parents: 5400
diff changeset
622 return self.__cmp__(other) == 0
6193
69b1aaf9c51f pep8 changes,
John Rouillard <rouilj@ieee.org>
parents: 5811
diff changeset
623
5414
3fa026621f69 Python 3 preparation: comparisons.
Joseph Myers <jsm@polyomino.org.uk>
parents: 5400
diff changeset
624 def __ne__(self, other):
3fa026621f69 Python 3 preparation: comparisons.
Joseph Myers <jsm@polyomino.org.uk>
parents: 5400
diff changeset
625 return self.__cmp__(other) != 0
6193
69b1aaf9c51f pep8 changes,
John Rouillard <rouilj@ieee.org>
parents: 5811
diff changeset
626
5414
3fa026621f69 Python 3 preparation: comparisons.
Joseph Myers <jsm@polyomino.org.uk>
parents: 5400
diff changeset
627 def __gt__(self, other):
3fa026621f69 Python 3 preparation: comparisons.
Joseph Myers <jsm@polyomino.org.uk>
parents: 5400
diff changeset
628 return self.__cmp__(other) > 0
6193
69b1aaf9c51f pep8 changes,
John Rouillard <rouilj@ieee.org>
parents: 5811
diff changeset
629
5414
3fa026621f69 Python 3 preparation: comparisons.
Joseph Myers <jsm@polyomino.org.uk>
parents: 5400
diff changeset
630 def __ge__(self, other):
3fa026621f69 Python 3 preparation: comparisons.
Joseph Myers <jsm@polyomino.org.uk>
parents: 5400
diff changeset
631 return self.__cmp__(other) >= 0
3fa026621f69 Python 3 preparation: comparisons.
Joseph Myers <jsm@polyomino.org.uk>
parents: 5400
diff changeset
632
25
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
633 def __str__(self):
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
634 """Return this date as a string in the yyyy-mm-dd.hh:mm:ss format."""
2098
18addf2a8596 Implemented proper datatypes in mysql and postgresql backends...
Richard Jones <richard@users.sourceforge.net>
parents: 2005
diff changeset
635 return self.formal()
18addf2a8596 Implemented proper datatypes in mysql and postgresql backends...
Richard Jones <richard@users.sourceforge.net>
parents: 2005
diff changeset
636
18addf2a8596 Implemented proper datatypes in mysql and postgresql backends...
Richard Jones <richard@users.sourceforge.net>
parents: 2005
diff changeset
637 def formal(self, sep='.', sec='%02d'):
6193
69b1aaf9c51f pep8 changes,
John Rouillard <rouilj@ieee.org>
parents: 5811
diff changeset
638 f = '%%04d-%%02d-%%02d%s%%02d:%%02d:%s' % (sep, sec)
69b1aaf9c51f pep8 changes,
John Rouillard <rouilj@ieee.org>
parents: 5811
diff changeset
639 return f % (self.year, self.month, self.day, self.hour, self.minute,
69b1aaf9c51f pep8 changes,
John Rouillard <rouilj@ieee.org>
parents: 5811
diff changeset
640 self.second)
25
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
641
5637
43970d92323e Add two isoformat() methods. One for Date and one for Interval.
John Rouillard <rouilj@ieee.org>
parents: 5438
diff changeset
642 def isoformat(self):
43970d92323e Add two isoformat() methods. One for Date and one for Interval.
John Rouillard <rouilj@ieee.org>
parents: 5438
diff changeset
643 ''' Represent the date/time in isoformat standard
43970d92323e Add two isoformat() methods. One for Date and one for Interval.
John Rouillard <rouilj@ieee.org>
parents: 5438
diff changeset
644
43970d92323e Add two isoformat() methods. One for Date and one for Interval.
John Rouillard <rouilj@ieee.org>
parents: 5438
diff changeset
645 Originally needed for xml output support using
43970d92323e Add two isoformat() methods. One for Date and one for Interval.
John Rouillard <rouilj@ieee.org>
parents: 5438
diff changeset
646 dicttoxml in the rest interface.
43970d92323e Add two isoformat() methods. One for Date and one for Interval.
John Rouillard <rouilj@ieee.org>
parents: 5438
diff changeset
647 '''
6193
69b1aaf9c51f pep8 changes,
John Rouillard <rouilj@ieee.org>
parents: 5811
diff changeset
648 f = '%%04d-%%02d-%%02d%s%%02d:%%02d:%s' % ("T", "%02.6d")
69b1aaf9c51f pep8 changes,
John Rouillard <rouilj@ieee.org>
parents: 5811
diff changeset
649 return f % (self.year, self.month, self.day, self.hour, self.minute,
69b1aaf9c51f pep8 changes,
John Rouillard <rouilj@ieee.org>
parents: 5811
diff changeset
650 self.second)
5637
43970d92323e Add two isoformat() methods. One for Date and one for Interval.
John Rouillard <rouilj@ieee.org>
parents: 5438
diff changeset
651
1272
cae50587fb96 expose the Date.pretty method to templating
Richard Jones <richard@users.sourceforge.net>
parents: 1268
diff changeset
652 def pretty(self, format='%d %B %Y'):
25
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
653 ''' print up the date date using a pretty format...
1272
cae50587fb96 expose the Date.pretty method to templating
Richard Jones <richard@users.sourceforge.net>
parents: 1268
diff changeset
654
cae50587fb96 expose the Date.pretty method to templating
Richard Jones <richard@users.sourceforge.net>
parents: 1268
diff changeset
655 Note that if the day is zero, and the day appears first in the
cae50587fb96 expose the Date.pretty method to templating
Richard Jones <richard@users.sourceforge.net>
parents: 1268
diff changeset
656 format, then the day number will be removed from output.
25
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
657 '''
3822
2a60b68985db Fix arbitrary limit on dates.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3798
diff changeset
658 dt = datetime.datetime(self.year, self.month, self.day, self.hour,
2a60b68985db Fix arbitrary limit on dates.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3798
diff changeset
659 self.minute, int(self.second),
6193
69b1aaf9c51f pep8 changes,
John Rouillard <rouilj@ieee.org>
parents: 5811
diff changeset
660 int((self.second - int(self.second)) * 1000000.))
3822
2a60b68985db Fix arbitrary limit on dates.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3798
diff changeset
661 str = dt.strftime(format)
3028
de242e68c69b fix py2.4 strftime() API change bug [SF#1087746]
Richard Jones <richard@users.sourceforge.net>
parents: 2981
diff changeset
662
1272
cae50587fb96 expose the Date.pretty method to templating
Richard Jones <richard@users.sourceforge.net>
parents: 1268
diff changeset
663 # handle zero day by removing it
cae50587fb96 expose the Date.pretty method to templating
Richard Jones <richard@users.sourceforge.net>
parents: 1268
diff changeset
664 if format.startswith('%d') and str[0] == '0':
cae50587fb96 expose the Date.pretty method to templating
Richard Jones <richard@users.sourceforge.net>
parents: 1268
diff changeset
665 return ' ' + str[1:]
585
c08fb4921eda %e is a UNIXism and not documented for Python
Jürgen Hermann <jhermann@users.sourceforge.net>
parents: 543
diff changeset
666 return str
25
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
667
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
668 def __repr__(self):
6193
69b1aaf9c51f pep8 changes,
John Rouillard <rouilj@ieee.org>
parents: 5811
diff changeset
669 return '<Date %s>' % self.formal(sec='%06.3f')
25
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
670
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
671 def local(self, offset):
1318
46a1951fdb14 fix Date.local()
Richard Jones <richard@users.sourceforge.net>
parents: 1272
diff changeset
672 """ Return this date as yyyy-mm-dd.hh:mm:ss in a local time zone.
4422
ad7176d22f43 - add comment to clarify semantics if pytz is installed
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4072
diff changeset
673 The offset is a pytz tz offset if pytz is installed.
1318
46a1951fdb14 fix Date.local()
Richard Jones <richard@users.sourceforge.net>
parents: 1272
diff changeset
674 """
6193
69b1aaf9c51f pep8 changes,
John Rouillard <rouilj@ieee.org>
parents: 5811
diff changeset
675 y,m,d,H,M,S = _utc_to_local(self.year, self.month, self.day,
69b1aaf9c51f pep8 changes,
John Rouillard <rouilj@ieee.org>
parents: 5811
diff changeset
676 self.hour, self.minute, self.second, offset)
69b1aaf9c51f pep8 changes,
John Rouillard <rouilj@ieee.org>
parents: 5811
diff changeset
677 return Date((y,m,d,H,M,S,0,0,0), translator=self.translator)
25
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
678
2359
8611bf29baec deepcopy was broken for date stuff
Richard Jones <richard@users.sourceforge.net>
parents: 2339
diff changeset
679 def __deepcopy__(self, memo):
8611bf29baec deepcopy was broken for date stuff
Richard Jones <richard@users.sourceforge.net>
parents: 2339
diff changeset
680 return Date((self.year, self.month, self.day, self.hour,
2388
8a9af227a557 Date and Interval objects allow to change translator after instance creation...
Alexander Smishlajev <a1s@users.sourceforge.net>
parents: 2359
diff changeset
681 self.minute, self.second, 0, 0, 0), translator=self.translator)
2359
8611bf29baec deepcopy was broken for date stuff
Richard Jones <richard@users.sourceforge.net>
parents: 2339
diff changeset
682
47
34491d9b91a0 Storing only marshallable data in the db - no nasty pickled class references.
Richard Jones <richard@users.sourceforge.net>
parents: 26
diff changeset
683 def get_tuple(self):
34491d9b91a0 Storing only marshallable data in the db - no nasty pickled class references.
Richard Jones <richard@users.sourceforge.net>
parents: 26
diff changeset
684 return (self.year, self.month, self.day, self.hour, self.minute,
6193
69b1aaf9c51f pep8 changes,
John Rouillard <rouilj@ieee.org>
parents: 5811
diff changeset
685 self.second, 0, 0, 0)
25
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
686
964
832d1209aaa2 Preparing to turn back on link/unlink journal events.
Richard Jones <richard@users.sourceforge.net>
parents: 890
diff changeset
687 def serialise(self):
4773
8ab5d7d63191 Fixed issue2550802: Fixed date so second fraction can't cause rounding to
Bernhard Reiter <bernhard@intevation.de>
parents: 4570
diff changeset
688 """ Return serialised string for self's datetime.
8ab5d7d63191 Fixed issue2550802: Fixed date so second fraction can't cause rounding to
Bernhard Reiter <bernhard@intevation.de>
parents: 4570
diff changeset
689
8ab5d7d63191 Fixed issue2550802: Fixed date so second fraction can't cause rounding to
Bernhard Reiter <bernhard@intevation.de>
parents: 4570
diff changeset
690 Uses '%06.3f' as format for self.second, which therefor
8ab5d7d63191 Fixed issue2550802: Fixed date so second fraction can't cause rounding to
Bernhard Reiter <bernhard@intevation.de>
parents: 4570
diff changeset
691 must be <=59.999 to work. Otherwise it will be rounded
8ab5d7d63191 Fixed issue2550802: Fixed date so second fraction can't cause rounding to
Bernhard Reiter <bernhard@intevation.de>
parents: 4570
diff changeset
692 to 60.000.
8ab5d7d63191 Fixed issue2550802: Fixed date so second fraction can't cause rounding to
Bernhard Reiter <bernhard@intevation.de>
parents: 4570
diff changeset
693
8ab5d7d63191 Fixed issue2550802: Fixed date so second fraction can't cause rounding to
Bernhard Reiter <bernhard@intevation.de>
parents: 4570
diff changeset
694 """
6193
69b1aaf9c51f pep8 changes,
John Rouillard <rouilj@ieee.org>
parents: 5811
diff changeset
695 return '%04d%02d%02d%02d%02d%06.3f' % (self.year, self.month,
964
832d1209aaa2 Preparing to turn back on link/unlink journal events.
Richard Jones <richard@users.sourceforge.net>
parents: 890
diff changeset
696 self.day, self.hour, self.minute, self.second)
832d1209aaa2 Preparing to turn back on link/unlink journal events.
Richard Jones <richard@users.sourceforge.net>
parents: 890
diff changeset
697
1946
c538a64b94a7 Refactored CGI file serving so that FileClass contents are...
Richard Jones <richard@users.sourceforge.net>
parents: 1941
diff changeset
698 def timestamp(self):
c538a64b94a7 Refactored CGI file serving so that FileClass contents are...
Richard Jones <richard@users.sourceforge.net>
parents: 1941
diff changeset
699 ''' return a UNIX timestamp for this date '''
2098
18addf2a8596 Implemented proper datatypes in mysql and postgresql backends...
Richard Jones <richard@users.sourceforge.net>
parents: 2005
diff changeset
700 frac = self.second - int(self.second)
18addf2a8596 Implemented proper datatypes in mysql and postgresql backends...
Richard Jones <richard@users.sourceforge.net>
parents: 2005
diff changeset
701 ts = calendar.timegm((self.year, self.month, self.day, self.hour,
6193
69b1aaf9c51f pep8 changes,
John Rouillard <rouilj@ieee.org>
parents: 5811
diff changeset
702 self.minute, self.second, 0, 0, 0))
2098
18addf2a8596 Implemented proper datatypes in mysql and postgresql backends...
Richard Jones <richard@users.sourceforge.net>
parents: 2005
diff changeset
703 # we lose the fractional part
18addf2a8596 Implemented proper datatypes in mysql and postgresql backends...
Richard Jones <richard@users.sourceforge.net>
parents: 2005
diff changeset
704 return ts + frac
1946
c538a64b94a7 Refactored CGI file serving so that FileClass contents are...
Richard Jones <richard@users.sourceforge.net>
parents: 1941
diff changeset
705
2388
8a9af227a557 Date and Interval objects allow to change translator after instance creation...
Alexander Smishlajev <a1s@users.sourceforge.net>
parents: 2359
diff changeset
706 def setTranslator(self, translator):
8a9af227a557 Date and Interval objects allow to change translator after instance creation...
Alexander Smishlajev <a1s@users.sourceforge.net>
parents: 2359
diff changeset
707 """Replace the translation engine
8a9af227a557 Date and Interval objects allow to change translator after instance creation...
Alexander Smishlajev <a1s@users.sourceforge.net>
parents: 2359
diff changeset
708
8a9af227a557 Date and Interval objects allow to change translator after instance creation...
Alexander Smishlajev <a1s@users.sourceforge.net>
parents: 2359
diff changeset
709 'translator'
8a9af227a557 Date and Interval objects allow to change translator after instance creation...
Alexander Smishlajev <a1s@users.sourceforge.net>
parents: 2359
diff changeset
710 is i18n module or one of gettext translation classes.
8a9af227a557 Date and Interval objects allow to change translator after instance creation...
Alexander Smishlajev <a1s@users.sourceforge.net>
parents: 2359
diff changeset
711 It must have attributes 'gettext' and 'ngettext',
8a9af227a557 Date and Interval objects allow to change translator after instance creation...
Alexander Smishlajev <a1s@users.sourceforge.net>
parents: 2359
diff changeset
712 serving as translation functions.
8a9af227a557 Date and Interval objects allow to change translator after instance creation...
Alexander Smishlajev <a1s@users.sourceforge.net>
parents: 2359
diff changeset
713 """
8a9af227a557 Date and Interval objects allow to change translator after instance creation...
Alexander Smishlajev <a1s@users.sourceforge.net>
parents: 2359
diff changeset
714 self.translator = translator
8a9af227a557 Date and Interval objects allow to change translator after instance creation...
Alexander Smishlajev <a1s@users.sourceforge.net>
parents: 2359
diff changeset
715 self._ = translator.gettext
8a9af227a557 Date and Interval objects allow to change translator after instance creation...
Alexander Smishlajev <a1s@users.sourceforge.net>
parents: 2359
diff changeset
716 self.ngettext = translator.ngettext
8a9af227a557 Date and Interval objects allow to change translator after instance creation...
Alexander Smishlajev <a1s@users.sourceforge.net>
parents: 2359
diff changeset
717
3825
f5bb1ad47268 Add a class-method as a constructor of a Date object from a timestamp.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3823
diff changeset
718 def fromtimestamp(cls, ts):
f5bb1ad47268 Add a class-method as a constructor of a Date object from a timestamp.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3823
diff changeset
719 """Create a date object from a timestamp.
f5bb1ad47268 Add a class-method as a constructor of a Date object from a timestamp.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3823
diff changeset
720
f5bb1ad47268 Add a class-method as a constructor of a Date object from a timestamp.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3823
diff changeset
721 The timestamp may be outside the gmtime year-range of
f5bb1ad47268 Add a class-method as a constructor of a Date object from a timestamp.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3823
diff changeset
722 1902-2038.
f5bb1ad47268 Add a class-method as a constructor of a Date object from a timestamp.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3823
diff changeset
723 """
f5bb1ad47268 Add a class-method as a constructor of a Date object from a timestamp.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3823
diff changeset
724 usec = int((ts - int(ts)) * 1000000.)
6193
69b1aaf9c51f pep8 changes,
John Rouillard <rouilj@ieee.org>
parents: 5811
diff changeset
725 delta = datetime.timedelta(seconds=int(ts), microseconds=usec)
3825
f5bb1ad47268 Add a class-method as a constructor of a Date object from a timestamp.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3823
diff changeset
726 return cls(datetime.datetime(1970, 1, 1) + delta)
f5bb1ad47268 Add a class-method as a constructor of a Date object from a timestamp.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3823
diff changeset
727 fromtimestamp = classmethod(fromtimestamp)
f5bb1ad47268 Add a class-method as a constructor of a Date object from a timestamp.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3823
diff changeset
728
6193
69b1aaf9c51f pep8 changes,
John Rouillard <rouilj@ieee.org>
parents: 5811
diff changeset
729
25
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
730 class Interval:
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
731 '''
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
732 Date intervals are specified using the suffixes "y", "m", and "d". The
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
733 suffix "w" (for "week") means 7 days. Time intervals are specified in
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
734 hh:mm:ss format (the seconds may be omitted, but the hours and minutes
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
735 may not).
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
736
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
737 "3y" means three years
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
738 "2y 1m" means two years and one month
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
739 "1m 25d" means one month and 25 days
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
740 "2w 3d" means two weeks and three days
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
741 "1d 2:50" means one day, two hours, and 50 minutes
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
742 "14:00" means 14 hours
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
743 "0:04:33" means four minutes and 33 seconds
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
744
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
745 Example usage:
4985
07c59221f363 Make doctests run in date module
Ralf Schlatterbeck <rsc@runtux.com>
parents: 4856
diff changeset
746 make doctest think it's always 2000-06-26.00:34:02:
07c59221f363 Make doctests run in date module
Ralf Schlatterbeck <rsc@runtux.com>
parents: 4856
diff changeset
747 >>> u = test_ini('2000-06-26.00:34:02.0')
07c59221f363 Make doctests run in date module
Ralf Schlatterbeck <rsc@runtux.com>
parents: 4856
diff changeset
748
25
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
749 >>> Interval(" 3w 1 d 2:00")
1487
37a1906f4454 fixed Interval maths [SF#665357]
Richard Jones <richard@users.sourceforge.net>
parents: 1463
diff changeset
750 <Interval + 22d 2:00>
640
7dd13fd5d8ea fixed some problems in date calculations
Richard Jones <richard@users.sourceforge.net>
parents: 585
diff changeset
751 >>> Date(". + 2d") + Interval("- 3w")
4985
07c59221f363 Make doctests run in date module
Ralf Schlatterbeck <rsc@runtux.com>
parents: 4856
diff changeset
752 <Date 2000-06-07.00:34:02.000>
1487
37a1906f4454 fixed Interval maths [SF#665357]
Richard Jones <richard@users.sourceforge.net>
parents: 1463
diff changeset
753 >>> Interval('1:59:59') + Interval('00:00:01')
37a1906f4454 fixed Interval maths [SF#665357]
Richard Jones <richard@users.sourceforge.net>
parents: 1463
diff changeset
754 <Interval + 2:00>
37a1906f4454 fixed Interval maths [SF#665357]
Richard Jones <richard@users.sourceforge.net>
parents: 1463
diff changeset
755 >>> Interval('2:00') + Interval('- 00:00:01')
37a1906f4454 fixed Interval maths [SF#665357]
Richard Jones <richard@users.sourceforge.net>
parents: 1463
diff changeset
756 <Interval + 1:59:59>
37a1906f4454 fixed Interval maths [SF#665357]
Richard Jones <richard@users.sourceforge.net>
parents: 1463
diff changeset
757 >>> Interval('1y')/2
37a1906f4454 fixed Interval maths [SF#665357]
Richard Jones <richard@users.sourceforge.net>
parents: 1463
diff changeset
758 <Interval + 6m>
37a1906f4454 fixed Interval maths [SF#665357]
Richard Jones <richard@users.sourceforge.net>
parents: 1463
diff changeset
759 >>> Interval('1:00')/2
37a1906f4454 fixed Interval maths [SF#665357]
Richard Jones <richard@users.sourceforge.net>
parents: 1463
diff changeset
760 <Interval + 0:30>
4985
07c59221f363 Make doctests run in date module
Ralf Schlatterbeck <rsc@runtux.com>
parents: 4856
diff changeset
761
07c59221f363 Make doctests run in date module
Ralf Schlatterbeck <rsc@runtux.com>
parents: 4856
diff changeset
762 [number of days between 2000-06-26.00:34:02 and 2003-03-18
1537
0e36c9b23aa6 more lenient date input and addition Interval input support [SF#677764]
Richard Jones <richard@users.sourceforge.net>
parents: 1535
diff changeset
763 >>> Interval('2003-03-18')
4985
07c59221f363 Make doctests run in date module
Ralf Schlatterbeck <rsc@runtux.com>
parents: 4856
diff changeset
764 <Interval - 995d>
07c59221f363 Make doctests run in date module
Ralf Schlatterbeck <rsc@runtux.com>
parents: 4856
diff changeset
765
07c59221f363 Make doctests run in date module
Ralf Schlatterbeck <rsc@runtux.com>
parents: 4856
diff changeset
766 [number of days between 2000-06-26.00:34:02 and 2003-03-14
1537
0e36c9b23aa6 more lenient date input and addition Interval input support [SF#677764]
Richard Jones <richard@users.sourceforge.net>
parents: 1535
diff changeset
767 >>> Interval('-4d 2003-03-18')
4985
07c59221f363 Make doctests run in date module
Ralf Schlatterbeck <rsc@runtux.com>
parents: 4856
diff changeset
768 <Interval - 991d>
07c59221f363 Make doctests run in date module
Ralf Schlatterbeck <rsc@runtux.com>
parents: 4856
diff changeset
769
07c59221f363 Make doctests run in date module
Ralf Schlatterbeck <rsc@runtux.com>
parents: 4856
diff changeset
770 >>> test_fin(u)
640
7dd13fd5d8ea fixed some problems in date calculations
Richard Jones <richard@users.sourceforge.net>
parents: 585
diff changeset
771
1487
37a1906f4454 fixed Interval maths [SF#665357]
Richard Jones <richard@users.sourceforge.net>
parents: 1463
diff changeset
772 Interval arithmetic is handled in a couple of special ways, trying
37a1906f4454 fixed Interval maths [SF#665357]
Richard Jones <richard@users.sourceforge.net>
parents: 1463
diff changeset
773 to cater for the most common cases. Fundamentally, Intervals which
37a1906f4454 fixed Interval maths [SF#665357]
Richard Jones <richard@users.sourceforge.net>
parents: 1463
diff changeset
774 have both date and time parts will result in strange results in
37a1906f4454 fixed Interval maths [SF#665357]
Richard Jones <richard@users.sourceforge.net>
parents: 1463
diff changeset
775 arithmetic - because of the impossibility of handling day->month->year
37a1906f4454 fixed Interval maths [SF#665357]
Richard Jones <richard@users.sourceforge.net>
parents: 1463
diff changeset
776 over- and under-flows. Intervals may also be divided by some number.
37a1906f4454 fixed Interval maths [SF#665357]
Richard Jones <richard@users.sourceforge.net>
parents: 1463
diff changeset
777
37a1906f4454 fixed Interval maths [SF#665357]
Richard Jones <richard@users.sourceforge.net>
parents: 1463
diff changeset
778 Intervals are added to Dates in order of:
640
7dd13fd5d8ea fixed some problems in date calculations
Richard Jones <richard@users.sourceforge.net>
parents: 585
diff changeset
779 seconds, minutes, hours, years, months, days
7dd13fd5d8ea fixed some problems in date calculations
Richard Jones <richard@users.sourceforge.net>
parents: 585
diff changeset
780
1487
37a1906f4454 fixed Interval maths [SF#665357]
Richard Jones <richard@users.sourceforge.net>
parents: 1463
diff changeset
781 Calculations involving months (eg '+2m') have no effect on days - only
640
7dd13fd5d8ea fixed some problems in date calculations
Richard Jones <richard@users.sourceforge.net>
parents: 585
diff changeset
782 days (or over/underflow from hours/mins/secs) will do that, and
7dd13fd5d8ea fixed some problems in date calculations
Richard Jones <richard@users.sourceforge.net>
parents: 585
diff changeset
783 days-per-month and leap years are accounted for. Leap seconds are not.
7dd13fd5d8ea fixed some problems in date calculations
Richard Jones <richard@users.sourceforge.net>
parents: 585
diff changeset
784
964
832d1209aaa2 Preparing to turn back on link/unlink journal events.
Richard Jones <richard@users.sourceforge.net>
parents: 890
diff changeset
785 The interval format 'syyyymmddHHMMSS' (sign, year, month, day, hour,
832d1209aaa2 Preparing to turn back on link/unlink journal events.
Richard Jones <richard@users.sourceforge.net>
parents: 890
diff changeset
786 minute, second) is the serialisation format returned by the serialise()
832d1209aaa2 Preparing to turn back on link/unlink journal events.
Richard Jones <richard@users.sourceforge.net>
parents: 890
diff changeset
787 method, and is accepted as an argument on instatiation.
832d1209aaa2 Preparing to turn back on link/unlink journal events.
Richard Jones <richard@users.sourceforge.net>
parents: 890
diff changeset
788
640
7dd13fd5d8ea fixed some problems in date calculations
Richard Jones <richard@users.sourceforge.net>
parents: 585
diff changeset
789 TODO: more examples, showing the order of addition operation
25
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
790 '''
3954
3d5a0a949107 Fix granularity stuff so it handles wrapping a lot better.
Richard Jones <richard@users.sourceforge.net>
parents: 3953
diff changeset
791 def __init__(self, spec, sign=1, allowdate=1, add_granularity=False,
6193
69b1aaf9c51f pep8 changes,
John Rouillard <rouilj@ieee.org>
parents: 5811
diff changeset
792 translator=i18n):
25
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
793 """Construct an interval given a specification."""
2388
8a9af227a557 Date and Interval objects allow to change translator after instance creation...
Alexander Smishlajev <a1s@users.sourceforge.net>
parents: 2359
diff changeset
794 self.setTranslator(translator)
5394
c26d88ec071e Python 3 preparation: handle absence of "long" type.
Joseph Myers <jsm@polyomino.org.uk>
parents: 5380
diff changeset
795 try:
c26d88ec071e Python 3 preparation: handle absence of "long" type.
Joseph Myers <jsm@polyomino.org.uk>
parents: 5380
diff changeset
796 # Python 2.
c26d88ec071e Python 3 preparation: handle absence of "long" type.
Joseph Myers <jsm@polyomino.org.uk>
parents: 5380
diff changeset
797 arith_types = (int, float, long)
c26d88ec071e Python 3 preparation: handle absence of "long" type.
Joseph Myers <jsm@polyomino.org.uk>
parents: 5380
diff changeset
798 except NameError:
c26d88ec071e Python 3 preparation: handle absence of "long" type.
Joseph Myers <jsm@polyomino.org.uk>
parents: 5380
diff changeset
799 # Python 3.
c26d88ec071e Python 3 preparation: handle absence of "long" type.
Joseph Myers <jsm@polyomino.org.uk>
parents: 5380
diff changeset
800 arith_types = (int, float)
c26d88ec071e Python 3 preparation: handle absence of "long" type.
Joseph Myers <jsm@polyomino.org.uk>
parents: 5380
diff changeset
801 if isinstance(spec, arith_types):
2212
75e46660345c stop Interval from displaying an empty string [SF#934022]
Richard Jones <richard@users.sourceforge.net>
parents: 2189
diff changeset
802 self.from_seconds(spec)
5438
e2382945d302 Python 3 preparation: avoid basestring.
Joseph Myers <jsm@polyomino.org.uk>
parents: 5414
diff changeset
803 elif is_us(spec):
6193
69b1aaf9c51f pep8 changes,
John Rouillard <rouilj@ieee.org>
parents: 5811
diff changeset
804 self.set(spec, allowdate=allowdate,
69b1aaf9c51f pep8 changes,
John Rouillard <rouilj@ieee.org>
parents: 5811
diff changeset
805 add_granularity=add_granularity)
2729
797725ec50c5 date.Interval() now accepts an Interval as a spec [SF#1041266]
Richard Jones <richard@users.sourceforge.net>
parents: 2702
diff changeset
806 elif isinstance(spec, Interval):
797725ec50c5 date.Interval() now accepts an Interval as a spec [SF#1041266]
Richard Jones <richard@users.sourceforge.net>
parents: 2702
diff changeset
807 (self.sign, self.year, self.month, self.day, self.hour,
797725ec50c5 date.Interval() now accepts an Interval as a spec [SF#1041266]
Richard Jones <richard@users.sourceforge.net>
parents: 2702
diff changeset
808 self.minute, self.second) = spec.get_tuple()
25
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
809 else:
1094
854d45f8b745 fixes to tests and Interval unmarshalling
Richard Jones <richard@users.sourceforge.net>
parents: 1090
diff changeset
810 if len(spec) == 7:
854d45f8b745 fixes to tests and Interval unmarshalling
Richard Jones <richard@users.sourceforge.net>
parents: 1090
diff changeset
811 self.sign, self.year, self.month, self.day, self.hour, \
854d45f8b745 fixes to tests and Interval unmarshalling
Richard Jones <richard@users.sourceforge.net>
parents: 1090
diff changeset
812 self.minute, self.second = spec
2100
62ed6505cbec MySQL migration of old backend database to new, typed database complete.
Richard Jones <richard@users.sourceforge.net>
parents: 2098
diff changeset
813 self.second = int(self.second)
1094
854d45f8b745 fixes to tests and Interval unmarshalling
Richard Jones <richard@users.sourceforge.net>
parents: 1090
diff changeset
814 else:
854d45f8b745 fixes to tests and Interval unmarshalling
Richard Jones <richard@users.sourceforge.net>
parents: 1090
diff changeset
815 # old, buggy spec form
854d45f8b745 fixes to tests and Interval unmarshalling
Richard Jones <richard@users.sourceforge.net>
parents: 1090
diff changeset
816 self.sign = sign
854d45f8b745 fixes to tests and Interval unmarshalling
Richard Jones <richard@users.sourceforge.net>
parents: 1090
diff changeset
817 self.year, self.month, self.day, self.hour, self.minute, \
854d45f8b745 fixes to tests and Interval unmarshalling
Richard Jones <richard@users.sourceforge.net>
parents: 1090
diff changeset
818 self.second = spec
2100
62ed6505cbec MySQL migration of old backend database to new, typed database complete.
Richard Jones <richard@users.sourceforge.net>
parents: 2098
diff changeset
819 self.second = int(self.second)
25
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
820
2359
8611bf29baec deepcopy was broken for date stuff
Richard Jones <richard@users.sourceforge.net>
parents: 2339
diff changeset
821 def __deepcopy__(self, memo):
8611bf29baec deepcopy was broken for date stuff
Richard Jones <richard@users.sourceforge.net>
parents: 2339
diff changeset
822 return Interval((self.sign, self.year, self.month, self.day,
2388
8a9af227a557 Date and Interval objects allow to change translator after instance creation...
Alexander Smishlajev <a1s@users.sourceforge.net>
parents: 2359
diff changeset
823 self.hour, self.minute, self.second), translator=self.translator)
2359
8611bf29baec deepcopy was broken for date stuff
Richard Jones <richard@users.sourceforge.net>
parents: 2339
diff changeset
824
5809
936275dfe1fa Try to fix:
John Rouillard <rouilj@ieee.org>
parents: 5637
diff changeset
825 def set(self, spec, allowdate=1, interval_re=re.compile(r'''
1535
26f29449c494 fixed detection of bad date specs [SF#691439]
Richard Jones <richard@users.sourceforge.net>
parents: 1509
diff changeset
826 \s*(?P<s>[-+])? # + or -
26f29449c494 fixed detection of bad date specs [SF#691439]
Richard Jones <richard@users.sourceforge.net>
parents: 1509
diff changeset
827 \s*((?P<y>\d+\s*)y)? # year
26f29449c494 fixed detection of bad date specs [SF#691439]
Richard Jones <richard@users.sourceforge.net>
parents: 1509
diff changeset
828 \s*((?P<m>\d+\s*)m)? # month
26f29449c494 fixed detection of bad date specs [SF#691439]
Richard Jones <richard@users.sourceforge.net>
parents: 1509
diff changeset
829 \s*((?P<w>\d+\s*)w)? # week
26f29449c494 fixed detection of bad date specs [SF#691439]
Richard Jones <richard@users.sourceforge.net>
parents: 1509
diff changeset
830 \s*((?P<d>\d+\s*)d)? # day
26f29449c494 fixed detection of bad date specs [SF#691439]
Richard Jones <richard@users.sourceforge.net>
parents: 1509
diff changeset
831 \s*(((?P<H>\d+):(?P<M>\d+))?(:(?P<S>\d+))?)? # time
1537
0e36c9b23aa6 more lenient date input and addition Interval input support [SF#677764]
Richard Jones <richard@users.sourceforge.net>
parents: 1535
diff changeset
832 \s*(?P<D>
0e36c9b23aa6 more lenient date input and addition Interval input support [SF#677764]
Richard Jones <richard@users.sourceforge.net>
parents: 1535
diff changeset
833 (\d\d\d\d[/-])?(\d\d?)?[/-](\d\d?)? # [yyyy-]mm-dd
0e36c9b23aa6 more lenient date input and addition Interval input support [SF#677764]
Richard Jones <richard@users.sourceforge.net>
parents: 1535
diff changeset
834 \.? # .
0e36c9b23aa6 more lenient date input and addition Interval input support [SF#677764]
Richard Jones <richard@users.sourceforge.net>
parents: 1535
diff changeset
835 (\d?\d:\d\d)?(:\d\d)? # hh:mm:ss
5811
7d276bb8b46d More invalid escape sequence fixes.
John Rouillard <rouilj@ieee.org>
parents: 5809
diff changeset
836 )?''', re.VERBOSE), serialised_re=re.compile(r'''
1535
26f29449c494 fixed detection of bad date specs [SF#691439]
Richard Jones <richard@users.sourceforge.net>
parents: 1509
diff changeset
837 (?P<s>[+-])?1?(?P<y>([ ]{3}\d|\d{4}))(?P<m>\d{2})(?P<d>\d{2})
1597
4d55f90d4af1 granularity based ranges
Andrey Lebedev <kedder@users.sourceforge.net>
parents: 1542
diff changeset
838 (?P<H>\d{2})(?P<M>\d{2})(?P<S>\d{2})''', re.VERBOSE),
3954
3d5a0a949107 Fix granularity stuff so it handles wrapping a lot better.
Richard Jones <richard@users.sourceforge.net>
parents: 3953
diff changeset
839 add_granularity=False):
1535
26f29449c494 fixed detection of bad date specs [SF#691439]
Richard Jones <richard@users.sourceforge.net>
parents: 1509
diff changeset
840 ''' set the date to the value in spec
26f29449c494 fixed detection of bad date specs [SF#691439]
Richard Jones <richard@users.sourceforge.net>
parents: 1509
diff changeset
841 '''
26f29449c494 fixed detection of bad date specs [SF#691439]
Richard Jones <richard@users.sourceforge.net>
parents: 1509
diff changeset
842 self.year = self.month = self.week = self.day = self.hour = \
26f29449c494 fixed detection of bad date specs [SF#691439]
Richard Jones <richard@users.sourceforge.net>
parents: 1509
diff changeset
843 self.minute = self.second = 0
26f29449c494 fixed detection of bad date specs [SF#691439]
Richard Jones <richard@users.sourceforge.net>
parents: 1509
diff changeset
844 self.sign = 1
26f29449c494 fixed detection of bad date specs [SF#691439]
Richard Jones <richard@users.sourceforge.net>
parents: 1509
diff changeset
845 m = serialised_re.match(spec)
26f29449c494 fixed detection of bad date specs [SF#691439]
Richard Jones <richard@users.sourceforge.net>
parents: 1509
diff changeset
846 if not m:
26f29449c494 fixed detection of bad date specs [SF#691439]
Richard Jones <richard@users.sourceforge.net>
parents: 1509
diff changeset
847 m = interval_re.match(spec)
26f29449c494 fixed detection of bad date specs [SF#691439]
Richard Jones <richard@users.sourceforge.net>
parents: 1509
diff changeset
848 if not m:
5378
35ea9b1efc14 Python 3 preparation: "raise" syntax.
Joseph Myers <jsm@polyomino.org.uk>
parents: 5377
diff changeset
849 raise ValueError(self._('Not an interval spec: "%s"'
4991
03505579abef Fix bug in (Date- or Interval-) Range parsing
Ralf Schlatterbeck <rsc@runtux.com>
parents: 4986
diff changeset
850 ' ([+-] [#y] [#m] [#w] [#d] [[[H]H:MM]:SS] [date spec])'
5378
35ea9b1efc14 Python 3 preparation: "raise" syntax.
Joseph Myers <jsm@polyomino.org.uk>
parents: 5377
diff changeset
851 % spec))
1542
3faabaeab6aa fixed date unserialisation for *dbm backends
Richard Jones <richard@users.sourceforge.net>
parents: 1537
diff changeset
852 else:
3faabaeab6aa fixed date unserialisation for *dbm backends
Richard Jones <richard@users.sourceforge.net>
parents: 1537
diff changeset
853 allowdate = 0
1535
26f29449c494 fixed detection of bad date specs [SF#691439]
Richard Jones <richard@users.sourceforge.net>
parents: 1509
diff changeset
854
1537
0e36c9b23aa6 more lenient date input and addition Interval input support [SF#677764]
Richard Jones <richard@users.sourceforge.net>
parents: 1535
diff changeset
855 # pull out all the info specified
1535
26f29449c494 fixed detection of bad date specs [SF#691439]
Richard Jones <richard@users.sourceforge.net>
parents: 1509
diff changeset
856 info = m.groupdict()
1597
4d55f90d4af1 granularity based ranges
Andrey Lebedev <kedder@users.sourceforge.net>
parents: 1542
diff changeset
857 if add_granularity:
3954
3d5a0a949107 Fix granularity stuff so it handles wrapping a lot better.
Richard Jones <richard@users.sourceforge.net>
parents: 3953
diff changeset
858 for gran in 'SMHdwmy':
3d5a0a949107 Fix granularity stuff so it handles wrapping a lot better.
Richard Jones <richard@users.sourceforge.net>
parents: 3953
diff changeset
859 if info[gran] is not None:
6193
69b1aaf9c51f pep8 changes,
John Rouillard <rouilj@ieee.org>
parents: 5811
diff changeset
860 info[gran] = int(info[gran]) + (info['s'] == '-' and -1 or 1)
3954
3d5a0a949107 Fix granularity stuff so it handles wrapping a lot better.
Richard Jones <richard@users.sourceforge.net>
parents: 3953
diff changeset
861 break
1597
4d55f90d4af1 granularity based ranges
Andrey Lebedev <kedder@users.sourceforge.net>
parents: 1542
diff changeset
862
1535
26f29449c494 fixed detection of bad date specs [SF#691439]
Richard Jones <richard@users.sourceforge.net>
parents: 1509
diff changeset
863 valid = 0
6193
69b1aaf9c51f pep8 changes,
John Rouillard <rouilj@ieee.org>
parents: 5811
diff changeset
864 for group, attr in {'y': 'year', 'm': 'month', 'w': 'week', 'd': 'day',
69b1aaf9c51f pep8 changes,
John Rouillard <rouilj@ieee.org>
parents: 5811
diff changeset
865 'H': 'hour', 'M': 'minute', 'S': 'second'}.items():
1535
26f29449c494 fixed detection of bad date specs [SF#691439]
Richard Jones <richard@users.sourceforge.net>
parents: 1509
diff changeset
866 if info.get(group, None) is not None:
26f29449c494 fixed detection of bad date specs [SF#691439]
Richard Jones <richard@users.sourceforge.net>
parents: 1509
diff changeset
867 valid = 1
26f29449c494 fixed detection of bad date specs [SF#691439]
Richard Jones <richard@users.sourceforge.net>
parents: 1509
diff changeset
868 setattr(self, attr, int(info[group]))
26f29449c494 fixed detection of bad date specs [SF#691439]
Richard Jones <richard@users.sourceforge.net>
parents: 1509
diff changeset
869
1537
0e36c9b23aa6 more lenient date input and addition Interval input support [SF#677764]
Richard Jones <richard@users.sourceforge.net>
parents: 1535
diff changeset
870 # make sure it's valid
0e36c9b23aa6 more lenient date input and addition Interval input support [SF#677764]
Richard Jones <richard@users.sourceforge.net>
parents: 1535
diff changeset
871 if not valid and not info['D']:
5378
35ea9b1efc14 Python 3 preparation: "raise" syntax.
Joseph Myers <jsm@polyomino.org.uk>
parents: 5377
diff changeset
872 raise ValueError(self._('Not an interval spec: "%s"'
4991
03505579abef Fix bug in (Date- or Interval-) Range parsing
Ralf Schlatterbeck <rsc@runtux.com>
parents: 4986
diff changeset
873 ' ([+-] [#y] [#m] [#w] [#d] [[[H]H:MM]:SS])'
5378
35ea9b1efc14 Python 3 preparation: "raise" syntax.
Joseph Myers <jsm@polyomino.org.uk>
parents: 5377
diff changeset
874 % spec))
1535
26f29449c494 fixed detection of bad date specs [SF#691439]
Richard Jones <richard@users.sourceforge.net>
parents: 1509
diff changeset
875
26f29449c494 fixed detection of bad date specs [SF#691439]
Richard Jones <richard@users.sourceforge.net>
parents: 1509
diff changeset
876 if self.week:
26f29449c494 fixed detection of bad date specs [SF#691439]
Richard Jones <richard@users.sourceforge.net>
parents: 1509
diff changeset
877 self.day = self.day + self.week*7
26f29449c494 fixed detection of bad date specs [SF#691439]
Richard Jones <richard@users.sourceforge.net>
parents: 1509
diff changeset
878
26f29449c494 fixed detection of bad date specs [SF#691439]
Richard Jones <richard@users.sourceforge.net>
parents: 1509
diff changeset
879 if info['s'] is not None:
6193
69b1aaf9c51f pep8 changes,
John Rouillard <rouilj@ieee.org>
parents: 5811
diff changeset
880 self.sign = {'+': 1, '-': -1}[info['s']]
1535
26f29449c494 fixed detection of bad date specs [SF#691439]
Richard Jones <richard@users.sourceforge.net>
parents: 1509
diff changeset
881
1537
0e36c9b23aa6 more lenient date input and addition Interval input support [SF#677764]
Richard Jones <richard@users.sourceforge.net>
parents: 1535
diff changeset
882 # use a date spec if one is given
0e36c9b23aa6 more lenient date input and addition Interval input support [SF#677764]
Richard Jones <richard@users.sourceforge.net>
parents: 1535
diff changeset
883 if allowdate and info['D'] is not None:
0e36c9b23aa6 more lenient date input and addition Interval input support [SF#677764]
Richard Jones <richard@users.sourceforge.net>
parents: 1535
diff changeset
884 now = Date('.')
0e36c9b23aa6 more lenient date input and addition Interval input support [SF#677764]
Richard Jones <richard@users.sourceforge.net>
parents: 1535
diff changeset
885 date = Date(info['D'])
0e36c9b23aa6 more lenient date input and addition Interval input support [SF#677764]
Richard Jones <richard@users.sourceforge.net>
parents: 1535
diff changeset
886 # if no time part was specified, nuke it in the "now" date
0e36c9b23aa6 more lenient date input and addition Interval input support [SF#677764]
Richard Jones <richard@users.sourceforge.net>
parents: 1535
diff changeset
887 if not date.hour or date.minute or date.second:
0e36c9b23aa6 more lenient date input and addition Interval input support [SF#677764]
Richard Jones <richard@users.sourceforge.net>
parents: 1535
diff changeset
888 now.hour = now.minute = now.second = 0
0e36c9b23aa6 more lenient date input and addition Interval input support [SF#677764]
Richard Jones <richard@users.sourceforge.net>
parents: 1535
diff changeset
889 if date != now:
0e36c9b23aa6 more lenient date input and addition Interval input support [SF#677764]
Richard Jones <richard@users.sourceforge.net>
parents: 1535
diff changeset
890 y = now - (date + self)
0e36c9b23aa6 more lenient date input and addition Interval input support [SF#677764]
Richard Jones <richard@users.sourceforge.net>
parents: 1535
diff changeset
891 self.__init__(y.get_tuple())
0e36c9b23aa6 more lenient date input and addition Interval input support [SF#677764]
Richard Jones <richard@users.sourceforge.net>
parents: 1535
diff changeset
892
5414
3fa026621f69 Python 3 preparation: comparisons.
Joseph Myers <jsm@polyomino.org.uk>
parents: 5400
diff changeset
893 def __lt__(self, other):
3fa026621f69 Python 3 preparation: comparisons.
Joseph Myers <jsm@polyomino.org.uk>
parents: 5400
diff changeset
894 """Compare this interval to another interval."""
3fa026621f69 Python 3 preparation: comparisons.
Joseph Myers <jsm@polyomino.org.uk>
parents: 5400
diff changeset
895
3fa026621f69 Python 3 preparation: comparisons.
Joseph Myers <jsm@polyomino.org.uk>
parents: 5400
diff changeset
896 if other is None:
3fa026621f69 Python 3 preparation: comparisons.
Joseph Myers <jsm@polyomino.org.uk>
parents: 5400
diff changeset
897 # we are always larger than None
3fa026621f69 Python 3 preparation: comparisons.
Joseph Myers <jsm@polyomino.org.uk>
parents: 5400
diff changeset
898 return False
3fa026621f69 Python 3 preparation: comparisons.
Joseph Myers <jsm@polyomino.org.uk>
parents: 5400
diff changeset
899 return self.as_seconds() < other.as_seconds()
3fa026621f69 Python 3 preparation: comparisons.
Joseph Myers <jsm@polyomino.org.uk>
parents: 5400
diff changeset
900
3fa026621f69 Python 3 preparation: comparisons.
Joseph Myers <jsm@polyomino.org.uk>
parents: 5400
diff changeset
901 def __le__(self, other):
3fa026621f69 Python 3 preparation: comparisons.
Joseph Myers <jsm@polyomino.org.uk>
parents: 5400
diff changeset
902 """Compare this interval to another interval."""
3fa026621f69 Python 3 preparation: comparisons.
Joseph Myers <jsm@polyomino.org.uk>
parents: 5400
diff changeset
903
3fa026621f69 Python 3 preparation: comparisons.
Joseph Myers <jsm@polyomino.org.uk>
parents: 5400
diff changeset
904 if other is None:
3fa026621f69 Python 3 preparation: comparisons.
Joseph Myers <jsm@polyomino.org.uk>
parents: 5400
diff changeset
905 # we are always larger than None
3fa026621f69 Python 3 preparation: comparisons.
Joseph Myers <jsm@polyomino.org.uk>
parents: 5400
diff changeset
906 return False
3fa026621f69 Python 3 preparation: comparisons.
Joseph Myers <jsm@polyomino.org.uk>
parents: 5400
diff changeset
907 return self.as_seconds() <= other.as_seconds()
3fa026621f69 Python 3 preparation: comparisons.
Joseph Myers <jsm@polyomino.org.uk>
parents: 5400
diff changeset
908
3fa026621f69 Python 3 preparation: comparisons.
Joseph Myers <jsm@polyomino.org.uk>
parents: 5400
diff changeset
909 def __eq__(self, other):
25
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
910 """Compare this interval to another interval."""
4461
5f82173d1684 Simplify and fix interval comparison.
Stefan Seefeld <stefan@seefeld.name>
parents: 4422
diff changeset
911
4465
605f31a596b8 Simplify and fix interval comparison.
Stefan Seefeld <stefan@seefeld.name>
parents: 4461
diff changeset
912 if other is None:
605f31a596b8 Simplify and fix interval comparison.
Stefan Seefeld <stefan@seefeld.name>
parents: 4461
diff changeset
913 # we are always larger than None
5414
3fa026621f69 Python 3 preparation: comparisons.
Joseph Myers <jsm@polyomino.org.uk>
parents: 5400
diff changeset
914 return False
3fa026621f69 Python 3 preparation: comparisons.
Joseph Myers <jsm@polyomino.org.uk>
parents: 5400
diff changeset
915 return self.as_seconds() == other.as_seconds()
3fa026621f69 Python 3 preparation: comparisons.
Joseph Myers <jsm@polyomino.org.uk>
parents: 5400
diff changeset
916
3fa026621f69 Python 3 preparation: comparisons.
Joseph Myers <jsm@polyomino.org.uk>
parents: 5400
diff changeset
917 def __ne__(self, other):
3fa026621f69 Python 3 preparation: comparisons.
Joseph Myers <jsm@polyomino.org.uk>
parents: 5400
diff changeset
918 """Compare this interval to another interval."""
3fa026621f69 Python 3 preparation: comparisons.
Joseph Myers <jsm@polyomino.org.uk>
parents: 5400
diff changeset
919
3fa026621f69 Python 3 preparation: comparisons.
Joseph Myers <jsm@polyomino.org.uk>
parents: 5400
diff changeset
920 if other is None:
3fa026621f69 Python 3 preparation: comparisons.
Joseph Myers <jsm@polyomino.org.uk>
parents: 5400
diff changeset
921 # we are always larger than None
3fa026621f69 Python 3 preparation: comparisons.
Joseph Myers <jsm@polyomino.org.uk>
parents: 5400
diff changeset
922 return True
3fa026621f69 Python 3 preparation: comparisons.
Joseph Myers <jsm@polyomino.org.uk>
parents: 5400
diff changeset
923 return self.as_seconds() != other.as_seconds()
3fa026621f69 Python 3 preparation: comparisons.
Joseph Myers <jsm@polyomino.org.uk>
parents: 5400
diff changeset
924
3fa026621f69 Python 3 preparation: comparisons.
Joseph Myers <jsm@polyomino.org.uk>
parents: 5400
diff changeset
925 def __gt__(self, other):
3fa026621f69 Python 3 preparation: comparisons.
Joseph Myers <jsm@polyomino.org.uk>
parents: 5400
diff changeset
926 """Compare this interval to another interval."""
3fa026621f69 Python 3 preparation: comparisons.
Joseph Myers <jsm@polyomino.org.uk>
parents: 5400
diff changeset
927
3fa026621f69 Python 3 preparation: comparisons.
Joseph Myers <jsm@polyomino.org.uk>
parents: 5400
diff changeset
928 if other is None:
3fa026621f69 Python 3 preparation: comparisons.
Joseph Myers <jsm@polyomino.org.uk>
parents: 5400
diff changeset
929 # we are always larger than None
3fa026621f69 Python 3 preparation: comparisons.
Joseph Myers <jsm@polyomino.org.uk>
parents: 5400
diff changeset
930 return True
3fa026621f69 Python 3 preparation: comparisons.
Joseph Myers <jsm@polyomino.org.uk>
parents: 5400
diff changeset
931 return self.as_seconds() > other.as_seconds()
3fa026621f69 Python 3 preparation: comparisons.
Joseph Myers <jsm@polyomino.org.uk>
parents: 5400
diff changeset
932
3fa026621f69 Python 3 preparation: comparisons.
Joseph Myers <jsm@polyomino.org.uk>
parents: 5400
diff changeset
933 def __ge__(self, other):
3fa026621f69 Python 3 preparation: comparisons.
Joseph Myers <jsm@polyomino.org.uk>
parents: 5400
diff changeset
934 """Compare this interval to another interval."""
3fa026621f69 Python 3 preparation: comparisons.
Joseph Myers <jsm@polyomino.org.uk>
parents: 5400
diff changeset
935
3fa026621f69 Python 3 preparation: comparisons.
Joseph Myers <jsm@polyomino.org.uk>
parents: 5400
diff changeset
936 if other is None:
3fa026621f69 Python 3 preparation: comparisons.
Joseph Myers <jsm@polyomino.org.uk>
parents: 5400
diff changeset
937 # we are always larger than None
3fa026621f69 Python 3 preparation: comparisons.
Joseph Myers <jsm@polyomino.org.uk>
parents: 5400
diff changeset
938 return True
3fa026621f69 Python 3 preparation: comparisons.
Joseph Myers <jsm@polyomino.org.uk>
parents: 5400
diff changeset
939 return self.as_seconds() >= other.as_seconds()
964
832d1209aaa2 Preparing to turn back on link/unlink journal events.
Richard Jones <richard@users.sourceforge.net>
parents: 890
diff changeset
940
25
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
941 def __str__(self):
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
942 """Return this interval as a string."""
1487
37a1906f4454 fixed Interval maths [SF#665357]
Richard Jones <richard@users.sourceforge.net>
parents: 1463
diff changeset
943 l = []
6193
69b1aaf9c51f pep8 changes,
John Rouillard <rouilj@ieee.org>
parents: 5811
diff changeset
944 if self.year: l.append('%sy' % self.year)
69b1aaf9c51f pep8 changes,
John Rouillard <rouilj@ieee.org>
parents: 5811
diff changeset
945 if self.month: l.append('%sm' % self.month)
69b1aaf9c51f pep8 changes,
John Rouillard <rouilj@ieee.org>
parents: 5811
diff changeset
946 if self.day: l.append('%sd' % self.day)
25
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
947 if self.second:
6193
69b1aaf9c51f pep8 changes,
John Rouillard <rouilj@ieee.org>
parents: 5811
diff changeset
948 l.append('%d:%02d:%02d' % (self.hour, self.minute, self.second))
25
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
949 elif self.hour or self.minute:
6193
69b1aaf9c51f pep8 changes,
John Rouillard <rouilj@ieee.org>
parents: 5811
diff changeset
950 l.append('%d:%02d' % (self.hour, self.minute))
1487
37a1906f4454 fixed Interval maths [SF#665357]
Richard Jones <richard@users.sourceforge.net>
parents: 1463
diff changeset
951 if l:
6193
69b1aaf9c51f pep8 changes,
John Rouillard <rouilj@ieee.org>
parents: 5811
diff changeset
952 l.insert(0, {1: '+', -1: '-'}[self.sign])
2212
75e46660345c stop Interval from displaying an empty string [SF#934022]
Richard Jones <richard@users.sourceforge.net>
parents: 2189
diff changeset
953 else:
75e46660345c stop Interval from displaying an empty string [SF#934022]
Richard Jones <richard@users.sourceforge.net>
parents: 2189
diff changeset
954 l.append('00:00')
25
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
955 return ' '.join(l)
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
956
1268
b34adc9bcaf2 implemented the missing Interval.__add__
Richard Jones <richard@users.sourceforge.net>
parents: 1266
diff changeset
957 def __add__(self, other):
b34adc9bcaf2 implemented the missing Interval.__add__
Richard Jones <richard@users.sourceforge.net>
parents: 1266
diff changeset
958 if isinstance(other, Date):
b34adc9bcaf2 implemented the missing Interval.__add__
Richard Jones <richard@users.sourceforge.net>
parents: 1266
diff changeset
959 # the other is a Date - produce a Date
2388
8a9af227a557 Date and Interval objects allow to change translator after instance creation...
Alexander Smishlajev <a1s@users.sourceforge.net>
parents: 2359
diff changeset
960 return Date(other.addInterval(self), translator=self.translator)
1268
b34adc9bcaf2 implemented the missing Interval.__add__
Richard Jones <richard@users.sourceforge.net>
parents: 1266
diff changeset
961 elif isinstance(other, Interval):
b34adc9bcaf2 implemented the missing Interval.__add__
Richard Jones <richard@users.sourceforge.net>
parents: 1266
diff changeset
962 # add the other Interval to this one
b34adc9bcaf2 implemented the missing Interval.__add__
Richard Jones <richard@users.sourceforge.net>
parents: 1266
diff changeset
963 a = self.get_tuple()
3702
06d7816976bc python 2.6 compatibility
Richard Jones <richard@users.sourceforge.net>
parents: 3619
diff changeset
964 asgn = a[0]
1268
b34adc9bcaf2 implemented the missing Interval.__add__
Richard Jones <richard@users.sourceforge.net>
parents: 1266
diff changeset
965 b = other.get_tuple()
3702
06d7816976bc python 2.6 compatibility
Richard Jones <richard@users.sourceforge.net>
parents: 3619
diff changeset
966 bsgn = b[0]
6193
69b1aaf9c51f pep8 changes,
John Rouillard <rouilj@ieee.org>
parents: 5811
diff changeset
967 i = [asgn*x + bsgn*y for x, y in zip(a[1:], b[1:])]
1487
37a1906f4454 fixed Interval maths [SF#665357]
Richard Jones <richard@users.sourceforge.net>
parents: 1463
diff changeset
968 i.insert(0, 1)
37a1906f4454 fixed Interval maths [SF#665357]
Richard Jones <richard@users.sourceforge.net>
parents: 1463
diff changeset
969 i = fixTimeOverflow(i)
2388
8a9af227a557 Date and Interval objects allow to change translator after instance creation...
Alexander Smishlajev <a1s@users.sourceforge.net>
parents: 2359
diff changeset
970 return Interval(i, translator=self.translator)
1487
37a1906f4454 fixed Interval maths [SF#665357]
Richard Jones <richard@users.sourceforge.net>
parents: 1463
diff changeset
971 # nope, no idea what to do with this other...
6193
69b1aaf9c51f pep8 changes,
John Rouillard <rouilj@ieee.org>
parents: 5811
diff changeset
972 raise TypeError("Can't add %r" % other)
1487
37a1906f4454 fixed Interval maths [SF#665357]
Richard Jones <richard@users.sourceforge.net>
parents: 1463
diff changeset
973
37a1906f4454 fixed Interval maths [SF#665357]
Richard Jones <richard@users.sourceforge.net>
parents: 1463
diff changeset
974 def __sub__(self, other):
37a1906f4454 fixed Interval maths [SF#665357]
Richard Jones <richard@users.sourceforge.net>
parents: 1463
diff changeset
975 if isinstance(other, Date):
37a1906f4454 fixed Interval maths [SF#665357]
Richard Jones <richard@users.sourceforge.net>
parents: 1463
diff changeset
976 # the other is a Date - produce a Date
37a1906f4454 fixed Interval maths [SF#665357]
Richard Jones <richard@users.sourceforge.net>
parents: 1463
diff changeset
977 interval = Interval(self.get_tuple())
37a1906f4454 fixed Interval maths [SF#665357]
Richard Jones <richard@users.sourceforge.net>
parents: 1463
diff changeset
978 interval.sign *= -1
2388
8a9af227a557 Date and Interval objects allow to change translator after instance creation...
Alexander Smishlajev <a1s@users.sourceforge.net>
parents: 2359
diff changeset
979 return Date(other.addInterval(interval),
6193
69b1aaf9c51f pep8 changes,
John Rouillard <rouilj@ieee.org>
parents: 5811
diff changeset
980 translator=self.translator)
1487
37a1906f4454 fixed Interval maths [SF#665357]
Richard Jones <richard@users.sourceforge.net>
parents: 1463
diff changeset
981 elif isinstance(other, Interval):
37a1906f4454 fixed Interval maths [SF#665357]
Richard Jones <richard@users.sourceforge.net>
parents: 1463
diff changeset
982 # add the other Interval to this one
37a1906f4454 fixed Interval maths [SF#665357]
Richard Jones <richard@users.sourceforge.net>
parents: 1463
diff changeset
983 a = self.get_tuple()
3702
06d7816976bc python 2.6 compatibility
Richard Jones <richard@users.sourceforge.net>
parents: 3619
diff changeset
984 asgn = a[0]
1487
37a1906f4454 fixed Interval maths [SF#665357]
Richard Jones <richard@users.sourceforge.net>
parents: 1463
diff changeset
985 b = other.get_tuple()
3702
06d7816976bc python 2.6 compatibility
Richard Jones <richard@users.sourceforge.net>
parents: 3619
diff changeset
986 bsgn = b[0]
6193
69b1aaf9c51f pep8 changes,
John Rouillard <rouilj@ieee.org>
parents: 5811
diff changeset
987 i = [asgn*x - bsgn*y for x, y in zip(a[1:], b[1:])]
1487
37a1906f4454 fixed Interval maths [SF#665357]
Richard Jones <richard@users.sourceforge.net>
parents: 1463
diff changeset
988 i.insert(0, 1)
37a1906f4454 fixed Interval maths [SF#665357]
Richard Jones <richard@users.sourceforge.net>
parents: 1463
diff changeset
989 i = fixTimeOverflow(i)
2388
8a9af227a557 Date and Interval objects allow to change translator after instance creation...
Alexander Smishlajev <a1s@users.sourceforge.net>
parents: 2359
diff changeset
990 return Interval(i, translator=self.translator)
1268
b34adc9bcaf2 implemented the missing Interval.__add__
Richard Jones <richard@users.sourceforge.net>
parents: 1266
diff changeset
991 # nope, no idea what to do with this other...
6193
69b1aaf9c51f pep8 changes,
John Rouillard <rouilj@ieee.org>
parents: 5811
diff changeset
992 raise TypeError("Can't add %r" % other)
1268
b34adc9bcaf2 implemented the missing Interval.__add__
Richard Jones <richard@users.sourceforge.net>
parents: 1266
diff changeset
993
5400
2120f77554d5 Python 3 preparation: use // and __truediv__ as needed.
Joseph Myers <jsm@polyomino.org.uk>
parents: 5394
diff changeset
994 def __truediv__(self, other):
1930
71056b09f2bf Add tests for Interval.pretty().
Johannes Gijsbers <jlgijsbers@users.sourceforge.net>
parents: 1894
diff changeset
995 """ Divide this interval by an int value.
1487
37a1906f4454 fixed Interval maths [SF#665357]
Richard Jones <richard@users.sourceforge.net>
parents: 1463
diff changeset
996
37a1906f4454 fixed Interval maths [SF#665357]
Richard Jones <richard@users.sourceforge.net>
parents: 1463
diff changeset
997 Can't divide years and months sensibly in the _same_
37a1906f4454 fixed Interval maths [SF#665357]
Richard Jones <richard@users.sourceforge.net>
parents: 1463
diff changeset
998 calculation as days/time, so raise an error in that situation.
1930
71056b09f2bf Add tests for Interval.pretty().
Johannes Gijsbers <jlgijsbers@users.sourceforge.net>
parents: 1894
diff changeset
999 """
1487
37a1906f4454 fixed Interval maths [SF#665357]
Richard Jones <richard@users.sourceforge.net>
parents: 1463
diff changeset
1000 try:
37a1906f4454 fixed Interval maths [SF#665357]
Richard Jones <richard@users.sourceforge.net>
parents: 1463
diff changeset
1001 other = float(other)
37a1906f4454 fixed Interval maths [SF#665357]
Richard Jones <richard@users.sourceforge.net>
parents: 1463
diff changeset
1002 except TypeError:
5378
35ea9b1efc14 Python 3 preparation: "raise" syntax.
Joseph Myers <jsm@polyomino.org.uk>
parents: 5377
diff changeset
1003 raise ValueError("Can only divide Intervals by numbers")
1487
37a1906f4454 fixed Interval maths [SF#665357]
Richard Jones <richard@users.sourceforge.net>
parents: 1463
diff changeset
1004
37a1906f4454 fixed Interval maths [SF#665357]
Richard Jones <richard@users.sourceforge.net>
parents: 1463
diff changeset
1005 y, m, d, H, M, S = (self.year, self.month, self.day,
6193
69b1aaf9c51f pep8 changes,
John Rouillard <rouilj@ieee.org>
parents: 5811
diff changeset
1006 self.hour, self.minute, self.second)
1487
37a1906f4454 fixed Interval maths [SF#665357]
Richard Jones <richard@users.sourceforge.net>
parents: 1463
diff changeset
1007 if y or m:
37a1906f4454 fixed Interval maths [SF#665357]
Richard Jones <richard@users.sourceforge.net>
parents: 1463
diff changeset
1008 if d or H or M or S:
5378
35ea9b1efc14 Python 3 preparation: "raise" syntax.
Joseph Myers <jsm@polyomino.org.uk>
parents: 5377
diff changeset
1009 raise ValueError("Can't divide Interval with date and time")
1487
37a1906f4454 fixed Interval maths [SF#665357]
Richard Jones <richard@users.sourceforge.net>
parents: 1463
diff changeset
1010 months = self.year*12 + self.month
37a1906f4454 fixed Interval maths [SF#665357]
Richard Jones <richard@users.sourceforge.net>
parents: 1463
diff changeset
1011 months *= self.sign
37a1906f4454 fixed Interval maths [SF#665357]
Richard Jones <richard@users.sourceforge.net>
parents: 1463
diff changeset
1012
37a1906f4454 fixed Interval maths [SF#665357]
Richard Jones <richard@users.sourceforge.net>
parents: 1463
diff changeset
1013 months = int(months/other)
37a1906f4454 fixed Interval maths [SF#665357]
Richard Jones <richard@users.sourceforge.net>
parents: 1463
diff changeset
1014
6193
69b1aaf9c51f pep8 changes,
John Rouillard <rouilj@ieee.org>
parents: 5811
diff changeset
1015 sign = months < 0 and -1 or 1
69b1aaf9c51f pep8 changes,
John Rouillard <rouilj@ieee.org>
parents: 5811
diff changeset
1016 m = months % 12
5400
2120f77554d5 Python 3 preparation: use // and __truediv__ as needed.
Joseph Myers <jsm@polyomino.org.uk>
parents: 5394
diff changeset
1017 y = months // 12
2388
8a9af227a557 Date and Interval objects allow to change translator after instance creation...
Alexander Smishlajev <a1s@users.sourceforge.net>
parents: 2359
diff changeset
1018 return Interval((sign, y, m, 0, 0, 0, 0),
6193
69b1aaf9c51f pep8 changes,
John Rouillard <rouilj@ieee.org>
parents: 5811
diff changeset
1019 translator=self.translator)
1487
37a1906f4454 fixed Interval maths [SF#665357]
Richard Jones <richard@users.sourceforge.net>
parents: 1463
diff changeset
1020
37a1906f4454 fixed Interval maths [SF#665357]
Richard Jones <richard@users.sourceforge.net>
parents: 1463
diff changeset
1021 else:
37a1906f4454 fixed Interval maths [SF#665357]
Richard Jones <richard@users.sourceforge.net>
parents: 1463
diff changeset
1022 # handle a day/time division
37a1906f4454 fixed Interval maths [SF#665357]
Richard Jones <richard@users.sourceforge.net>
parents: 1463
diff changeset
1023 seconds = S + M*60 + H*60*60 + d*60*60*24
37a1906f4454 fixed Interval maths [SF#665357]
Richard Jones <richard@users.sourceforge.net>
parents: 1463
diff changeset
1024 seconds *= self.sign
37a1906f4454 fixed Interval maths [SF#665357]
Richard Jones <richard@users.sourceforge.net>
parents: 1463
diff changeset
1025
37a1906f4454 fixed Interval maths [SF#665357]
Richard Jones <richard@users.sourceforge.net>
parents: 1463
diff changeset
1026 seconds = int(seconds/other)
37a1906f4454 fixed Interval maths [SF#665357]
Richard Jones <richard@users.sourceforge.net>
parents: 1463
diff changeset
1027
6193
69b1aaf9c51f pep8 changes,
John Rouillard <rouilj@ieee.org>
parents: 5811
diff changeset
1028 sign = seconds < 0 and -1 or 1
1487
37a1906f4454 fixed Interval maths [SF#665357]
Richard Jones <richard@users.sourceforge.net>
parents: 1463
diff changeset
1029 seconds *= sign
6193
69b1aaf9c51f pep8 changes,
John Rouillard <rouilj@ieee.org>
parents: 5811
diff changeset
1030 S = seconds % 60
5400
2120f77554d5 Python 3 preparation: use // and __truediv__ as needed.
Joseph Myers <jsm@polyomino.org.uk>
parents: 5394
diff changeset
1031 seconds //= 60
6193
69b1aaf9c51f pep8 changes,
John Rouillard <rouilj@ieee.org>
parents: 5811
diff changeset
1032 M = seconds % 60
5400
2120f77554d5 Python 3 preparation: use // and __truediv__ as needed.
Joseph Myers <jsm@polyomino.org.uk>
parents: 5394
diff changeset
1033 seconds //= 60
6193
69b1aaf9c51f pep8 changes,
John Rouillard <rouilj@ieee.org>
parents: 5811
diff changeset
1034 H = seconds % 24
5400
2120f77554d5 Python 3 preparation: use // and __truediv__ as needed.
Joseph Myers <jsm@polyomino.org.uk>
parents: 5394
diff changeset
1035 d = seconds // 24
2388
8a9af227a557 Date and Interval objects allow to change translator after instance creation...
Alexander Smishlajev <a1s@users.sourceforge.net>
parents: 2359
diff changeset
1036 return Interval((sign, 0, 0, d, H, M, S),
6193
69b1aaf9c51f pep8 changes,
John Rouillard <rouilj@ieee.org>
parents: 5811
diff changeset
1037 translator=self.translator)
5400
2120f77554d5 Python 3 preparation: use // and __truediv__ as needed.
Joseph Myers <jsm@polyomino.org.uk>
parents: 5394
diff changeset
1038 # Python 2 compatibility:
2120f77554d5 Python 3 preparation: use // and __truediv__ as needed.
Joseph Myers <jsm@polyomino.org.uk>
parents: 5394
diff changeset
1039 __div__ = __truediv__
1487
37a1906f4454 fixed Interval maths [SF#665357]
Richard Jones <richard@users.sourceforge.net>
parents: 1463
diff changeset
1040
25
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1041 def __repr__(self):
6193
69b1aaf9c51f pep8 changes,
John Rouillard <rouilj@ieee.org>
parents: 5811
diff changeset
1042 return '<Interval %s>' % self.__str__()
25
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1043
487
2f4c37d28108 I18N'ification
Richard Jones <richard@users.sourceforge.net>
parents: 406
diff changeset
1044 def pretty(self):
25
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1045 ''' print up the date date using one of these nice formats..
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1046 '''
5400
2120f77554d5 Python 3 preparation: use // and __truediv__ as needed.
Joseph Myers <jsm@polyomino.org.uk>
parents: 5394
diff changeset
1047 _quarters = self.minute // 15
720
5e0a75bfdd90 reverting to dates for intervals > 2 months sucks
Richard Jones <richard@users.sourceforge.net>
parents: 641
diff changeset
1048 if self.year:
2339
6ba57546d212 fix i18n - mainly plural forms in Interval.pretty()
Alexander Smishlajev <a1s@users.sourceforge.net>
parents: 2262
diff changeset
1049 s = self.ngettext("%(number)s year", "%(number)s years",
6193
69b1aaf9c51f pep8 changes,
John Rouillard <rouilj@ieee.org>
parents: 5811
diff changeset
1050 self.year) % {'number': self.year}
2339
6ba57546d212 fix i18n - mainly plural forms in Interval.pretty()
Alexander Smishlajev <a1s@users.sourceforge.net>
parents: 2262
diff changeset
1051 elif self.month or self.day > 28:
2416
Richard Jones <richard@users.sourceforge.net>
parents: 2402
diff changeset
1052 _months = max(1, int(((self.month * 30) + self.day) / 30))
2339
6ba57546d212 fix i18n - mainly plural forms in Interval.pretty()
Alexander Smishlajev <a1s@users.sourceforge.net>
parents: 2262
diff changeset
1053 s = self.ngettext("%(number)s month", "%(number)s months",
6193
69b1aaf9c51f pep8 changes,
John Rouillard <rouilj@ieee.org>
parents: 5811
diff changeset
1054 _months) % {'number': _months}
640
7dd13fd5d8ea fixed some problems in date calculations
Richard Jones <richard@users.sourceforge.net>
parents: 585
diff changeset
1055 elif self.day > 7:
2339
6ba57546d212 fix i18n - mainly plural forms in Interval.pretty()
Alexander Smishlajev <a1s@users.sourceforge.net>
parents: 2262
diff changeset
1056 _weeks = int(self.day / 7)
6ba57546d212 fix i18n - mainly plural forms in Interval.pretty()
Alexander Smishlajev <a1s@users.sourceforge.net>
parents: 2262
diff changeset
1057 s = self.ngettext("%(number)s week", "%(number)s weeks",
6193
69b1aaf9c51f pep8 changes,
John Rouillard <rouilj@ieee.org>
parents: 5811
diff changeset
1058 _weeks) % {'number': _weeks}
640
7dd13fd5d8ea fixed some problems in date calculations
Richard Jones <richard@users.sourceforge.net>
parents: 585
diff changeset
1059 elif self.day > 1:
2339
6ba57546d212 fix i18n - mainly plural forms in Interval.pretty()
Alexander Smishlajev <a1s@users.sourceforge.net>
parents: 2262
diff changeset
1060 # Note: singular form is not used
6ba57546d212 fix i18n - mainly plural forms in Interval.pretty()
Alexander Smishlajev <a1s@users.sourceforge.net>
parents: 2262
diff changeset
1061 s = self.ngettext('%(number)s day', '%(number)s days',
6193
69b1aaf9c51f pep8 changes,
John Rouillard <rouilj@ieee.org>
parents: 5811
diff changeset
1062 self.day) % {'number': self.day}
640
7dd13fd5d8ea fixed some problems in date calculations
Richard Jones <richard@users.sourceforge.net>
parents: 585
diff changeset
1063 elif self.day == 1 or self.hour > 12:
7dd13fd5d8ea fixed some problems in date calculations
Richard Jones <richard@users.sourceforge.net>
parents: 585
diff changeset
1064 if self.sign > 0:
2339
6ba57546d212 fix i18n - mainly plural forms in Interval.pretty()
Alexander Smishlajev <a1s@users.sourceforge.net>
parents: 2262
diff changeset
1065 return self._('tomorrow')
640
7dd13fd5d8ea fixed some problems in date calculations
Richard Jones <richard@users.sourceforge.net>
parents: 585
diff changeset
1066 else:
2339
6ba57546d212 fix i18n - mainly plural forms in Interval.pretty()
Alexander Smishlajev <a1s@users.sourceforge.net>
parents: 2262
diff changeset
1067 return self._('yesterday')
640
7dd13fd5d8ea fixed some problems in date calculations
Richard Jones <richard@users.sourceforge.net>
parents: 585
diff changeset
1068 elif self.hour > 1:
2339
6ba57546d212 fix i18n - mainly plural forms in Interval.pretty()
Alexander Smishlajev <a1s@users.sourceforge.net>
parents: 2262
diff changeset
1069 # Note: singular form is not used
6ba57546d212 fix i18n - mainly plural forms in Interval.pretty()
Alexander Smishlajev <a1s@users.sourceforge.net>
parents: 2262
diff changeset
1070 s = self.ngettext('%(number)s hour', '%(number)s hours',
6193
69b1aaf9c51f pep8 changes,
John Rouillard <rouilj@ieee.org>
parents: 5811
diff changeset
1071 self.hour) % {'number': self.hour}
640
7dd13fd5d8ea fixed some problems in date calculations
Richard Jones <richard@users.sourceforge.net>
parents: 585
diff changeset
1072 elif self.hour == 1:
25
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1073 if self.minute < 15:
2339
6ba57546d212 fix i18n - mainly plural forms in Interval.pretty()
Alexander Smishlajev <a1s@users.sourceforge.net>
parents: 2262
diff changeset
1074 s = self._('an hour')
6ba57546d212 fix i18n - mainly plural forms in Interval.pretty()
Alexander Smishlajev <a1s@users.sourceforge.net>
parents: 2262
diff changeset
1075 elif _quarters == 2:
6ba57546d212 fix i18n - mainly plural forms in Interval.pretty()
Alexander Smishlajev <a1s@users.sourceforge.net>
parents: 2262
diff changeset
1076 s = self._('1 1/2 hours')
640
7dd13fd5d8ea fixed some problems in date calculations
Richard Jones <richard@users.sourceforge.net>
parents: 585
diff changeset
1077 else:
2339
6ba57546d212 fix i18n - mainly plural forms in Interval.pretty()
Alexander Smishlajev <a1s@users.sourceforge.net>
parents: 2262
diff changeset
1078 s = self.ngettext('1 %(number)s/4 hours',
6193
69b1aaf9c51f pep8 changes,
John Rouillard <rouilj@ieee.org>
parents: 5811
diff changeset
1079 '1 %(number)s/4 hours',
69b1aaf9c51f pep8 changes,
John Rouillard <rouilj@ieee.org>
parents: 5811
diff changeset
1080 _quarters) % {'number': _quarters}
640
7dd13fd5d8ea fixed some problems in date calculations
Richard Jones <richard@users.sourceforge.net>
parents: 585
diff changeset
1081 elif self.minute < 1:
7dd13fd5d8ea fixed some problems in date calculations
Richard Jones <richard@users.sourceforge.net>
parents: 585
diff changeset
1082 if self.sign > 0:
2339
6ba57546d212 fix i18n - mainly plural forms in Interval.pretty()
Alexander Smishlajev <a1s@users.sourceforge.net>
parents: 2262
diff changeset
1083 return self._('in a moment')
640
7dd13fd5d8ea fixed some problems in date calculations
Richard Jones <richard@users.sourceforge.net>
parents: 585
diff changeset
1084 else:
2339
6ba57546d212 fix i18n - mainly plural forms in Interval.pretty()
Alexander Smishlajev <a1s@users.sourceforge.net>
parents: 2262
diff changeset
1085 return self._('just now')
640
7dd13fd5d8ea fixed some problems in date calculations
Richard Jones <richard@users.sourceforge.net>
parents: 585
diff changeset
1086 elif self.minute == 1:
2339
6ba57546d212 fix i18n - mainly plural forms in Interval.pretty()
Alexander Smishlajev <a1s@users.sourceforge.net>
parents: 2262
diff changeset
1087 # Note: used in expressions "in 1 minute" or "1 minute ago"
6ba57546d212 fix i18n - mainly plural forms in Interval.pretty()
Alexander Smishlajev <a1s@users.sourceforge.net>
parents: 2262
diff changeset
1088 s = self._('1 minute')
640
7dd13fd5d8ea fixed some problems in date calculations
Richard Jones <richard@users.sourceforge.net>
parents: 585
diff changeset
1089 elif self.minute < 15:
2339
6ba57546d212 fix i18n - mainly plural forms in Interval.pretty()
Alexander Smishlajev <a1s@users.sourceforge.net>
parents: 2262
diff changeset
1090 # Note: used in expressions "in 2 minutes" or "2 minutes ago"
6ba57546d212 fix i18n - mainly plural forms in Interval.pretty()
Alexander Smishlajev <a1s@users.sourceforge.net>
parents: 2262
diff changeset
1091 s = self.ngettext('%(number)s minute', '%(number)s minutes',
6193
69b1aaf9c51f pep8 changes,
John Rouillard <rouilj@ieee.org>
parents: 5811
diff changeset
1092 self.minute) % {'number': self.minute}
2339
6ba57546d212 fix i18n - mainly plural forms in Interval.pretty()
Alexander Smishlajev <a1s@users.sourceforge.net>
parents: 2262
diff changeset
1093 elif _quarters == 2:
6ba57546d212 fix i18n - mainly plural forms in Interval.pretty()
Alexander Smishlajev <a1s@users.sourceforge.net>
parents: 2262
diff changeset
1094 s = self._('1/2 an hour')
640
7dd13fd5d8ea fixed some problems in date calculations
Richard Jones <richard@users.sourceforge.net>
parents: 585
diff changeset
1095 else:
2416
Richard Jones <richard@users.sourceforge.net>
parents: 2402
diff changeset
1096 s = self.ngettext('%(number)s/4 hour', '%(number)s/4 hours',
6193
69b1aaf9c51f pep8 changes,
John Rouillard <rouilj@ieee.org>
parents: 5811
diff changeset
1097 _quarters) % {'number': _quarters}
2339
6ba57546d212 fix i18n - mainly plural forms in Interval.pretty()
Alexander Smishlajev <a1s@users.sourceforge.net>
parents: 2262
diff changeset
1098 # XXX this is internationally broken
6ba57546d212 fix i18n - mainly plural forms in Interval.pretty()
Alexander Smishlajev <a1s@users.sourceforge.net>
parents: 2262
diff changeset
1099 if self.sign < 0:
6ba57546d212 fix i18n - mainly plural forms in Interval.pretty()
Alexander Smishlajev <a1s@users.sourceforge.net>
parents: 2262
diff changeset
1100 s = self._('%s ago') % s
1413
4ae9d725bec4 make future intervals obvious too
Richard Jones <richard@users.sourceforge.net>
parents: 1412
diff changeset
1101 else:
2339
6ba57546d212 fix i18n - mainly plural forms in Interval.pretty()
Alexander Smishlajev <a1s@users.sourceforge.net>
parents: 2262
diff changeset
1102 s = self._('in %s') % s
640
7dd13fd5d8ea fixed some problems in date calculations
Richard Jones <richard@users.sourceforge.net>
parents: 585
diff changeset
1103 return s
25
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1104
47
34491d9b91a0 Storing only marshallable data in the db - no nasty pickled class references.
Richard Jones <richard@users.sourceforge.net>
parents: 26
diff changeset
1105 def get_tuple(self):
964
832d1209aaa2 Preparing to turn back on link/unlink journal events.
Richard Jones <richard@users.sourceforge.net>
parents: 890
diff changeset
1106 return (self.sign, self.year, self.month, self.day, self.hour,
6193
69b1aaf9c51f pep8 changes,
John Rouillard <rouilj@ieee.org>
parents: 5811
diff changeset
1107 self.minute, self.second)
964
832d1209aaa2 Preparing to turn back on link/unlink journal events.
Richard Jones <richard@users.sourceforge.net>
parents: 890
diff changeset
1108
832d1209aaa2 Preparing to turn back on link/unlink journal events.
Richard Jones <richard@users.sourceforge.net>
parents: 890
diff changeset
1109 def serialise(self):
1261
85d71588a1cf fixed bug in Interval serialisation
Richard Jones <richard@users.sourceforge.net>
parents: 1192
diff changeset
1110 sign = self.sign > 0 and '+' or '-'
6193
69b1aaf9c51f pep8 changes,
John Rouillard <rouilj@ieee.org>
parents: 5811
diff changeset
1111 return '%s%04d%02d%02d%02d%02d%02d' % (sign, self.year, self.month,
964
832d1209aaa2 Preparing to turn back on link/unlink journal events.
Richard Jones <richard@users.sourceforge.net>
parents: 890
diff changeset
1112 self.day, self.hour, self.minute, self.second)
47
34491d9b91a0 Storing only marshallable data in the db - no nasty pickled class references.
Richard Jones <richard@users.sourceforge.net>
parents: 26
diff changeset
1113
5637
43970d92323e Add two isoformat() methods. One for Date and one for Interval.
John Rouillard <rouilj@ieee.org>
parents: 5438
diff changeset
1114 def isoformat(self):
43970d92323e Add two isoformat() methods. One for Date and one for Interval.
John Rouillard <rouilj@ieee.org>
parents: 5438
diff changeset
1115 '''Represent interval as an ISO 8061 duration (absolute value)
6193
69b1aaf9c51f pep8 changes,
John Rouillard <rouilj@ieee.org>
parents: 5811
diff changeset
1116
5637
43970d92323e Add two isoformat() methods. One for Date and one for Interval.
John Rouillard <rouilj@ieee.org>
parents: 5438
diff changeset
1117 Originally needed for xml output support using
43970d92323e Add two isoformat() methods. One for Date and one for Interval.
John Rouillard <rouilj@ieee.org>
parents: 5438
diff changeset
1118 dicttoxml in the rest interface.
43970d92323e Add two isoformat() methods. One for Date and one for Interval.
John Rouillard <rouilj@ieee.org>
parents: 5438
diff changeset
1119 '''
6193
69b1aaf9c51f pep8 changes,
John Rouillard <rouilj@ieee.org>
parents: 5811
diff changeset
1120 return 'P%04dY%02dM%02dDT%02dH%02dM%02dS' % (self.year, self.month,
5637
43970d92323e Add two isoformat() methods. One for Date and one for Interval.
John Rouillard <rouilj@ieee.org>
parents: 5438
diff changeset
1121 self.day, self.hour, self.minute, self.second)
43970d92323e Add two isoformat() methods. One for Date and one for Interval.
John Rouillard <rouilj@ieee.org>
parents: 5438
diff changeset
1122
2212
75e46660345c stop Interval from displaying an empty string [SF#934022]
Richard Jones <richard@users.sourceforge.net>
parents: 2189
diff changeset
1123 def as_seconds(self):
75e46660345c stop Interval from displaying an empty string [SF#934022]
Richard Jones <richard@users.sourceforge.net>
parents: 2189
diff changeset
1124 '''Calculate the Interval as a number of seconds.
2339
6ba57546d212 fix i18n - mainly plural forms in Interval.pretty()
Alexander Smishlajev <a1s@users.sourceforge.net>
parents: 2262
diff changeset
1125
2212
75e46660345c stop Interval from displaying an empty string [SF#934022]
Richard Jones <richard@users.sourceforge.net>
parents: 2189
diff changeset
1126 Months are counted as 30 days, years as 365 days. Returns a Long
75e46660345c stop Interval from displaying an empty string [SF#934022]
Richard Jones <richard@users.sourceforge.net>
parents: 2189
diff changeset
1127 int.
75e46660345c stop Interval from displaying an empty string [SF#934022]
Richard Jones <richard@users.sourceforge.net>
parents: 2189
diff changeset
1128 '''
5380
64c4e43fbb84 Python 3 preparation: numeric literal syntax.
Joseph Myers <jsm@polyomino.org.uk>
parents: 5378
diff changeset
1129 n = self.year * 365
2212
75e46660345c stop Interval from displaying an empty string [SF#934022]
Richard Jones <richard@users.sourceforge.net>
parents: 2189
diff changeset
1130 n = n + self.month * 30
75e46660345c stop Interval from displaying an empty string [SF#934022]
Richard Jones <richard@users.sourceforge.net>
parents: 2189
diff changeset
1131 n = n + self.day
75e46660345c stop Interval from displaying an empty string [SF#934022]
Richard Jones <richard@users.sourceforge.net>
parents: 2189
diff changeset
1132 n = n * 24
75e46660345c stop Interval from displaying an empty string [SF#934022]
Richard Jones <richard@users.sourceforge.net>
parents: 2189
diff changeset
1133 n = n + self.hour
75e46660345c stop Interval from displaying an empty string [SF#934022]
Richard Jones <richard@users.sourceforge.net>
parents: 2189
diff changeset
1134 n = n * 60
75e46660345c stop Interval from displaying an empty string [SF#934022]
Richard Jones <richard@users.sourceforge.net>
parents: 2189
diff changeset
1135 n = n + self.minute
75e46660345c stop Interval from displaying an empty string [SF#934022]
Richard Jones <richard@users.sourceforge.net>
parents: 2189
diff changeset
1136 n = n * 60
75e46660345c stop Interval from displaying an empty string [SF#934022]
Richard Jones <richard@users.sourceforge.net>
parents: 2189
diff changeset
1137 n = n + self.second
75e46660345c stop Interval from displaying an empty string [SF#934022]
Richard Jones <richard@users.sourceforge.net>
parents: 2189
diff changeset
1138 return n * self.sign
75e46660345c stop Interval from displaying an empty string [SF#934022]
Richard Jones <richard@users.sourceforge.net>
parents: 2189
diff changeset
1139
75e46660345c stop Interval from displaying an empty string [SF#934022]
Richard Jones <richard@users.sourceforge.net>
parents: 2189
diff changeset
1140 def from_seconds(self, val):
75e46660345c stop Interval from displaying an empty string [SF#934022]
Richard Jones <richard@users.sourceforge.net>
parents: 2189
diff changeset
1141 '''Figure my second, minute, hour and day values using a seconds
75e46660345c stop Interval from displaying an empty string [SF#934022]
Richard Jones <richard@users.sourceforge.net>
parents: 2189
diff changeset
1142 value.
75e46660345c stop Interval from displaying an empty string [SF#934022]
Richard Jones <richard@users.sourceforge.net>
parents: 2189
diff changeset
1143 '''
2981
ad04cb95e2b0 fix Interval.from_seconds() with float argument
Alexander Smishlajev <a1s@users.sourceforge.net>
parents: 2729
diff changeset
1144 val = int(val)
2212
75e46660345c stop Interval from displaying an empty string [SF#934022]
Richard Jones <richard@users.sourceforge.net>
parents: 2189
diff changeset
1145 if val < 0:
75e46660345c stop Interval from displaying an empty string [SF#934022]
Richard Jones <richard@users.sourceforge.net>
parents: 2189
diff changeset
1146 self.sign = -1
75e46660345c stop Interval from displaying an empty string [SF#934022]
Richard Jones <richard@users.sourceforge.net>
parents: 2189
diff changeset
1147 val = -val
75e46660345c stop Interval from displaying an empty string [SF#934022]
Richard Jones <richard@users.sourceforge.net>
parents: 2189
diff changeset
1148 else:
75e46660345c stop Interval from displaying an empty string [SF#934022]
Richard Jones <richard@users.sourceforge.net>
parents: 2189
diff changeset
1149 self.sign = 1
75e46660345c stop Interval from displaying an empty string [SF#934022]
Richard Jones <richard@users.sourceforge.net>
parents: 2189
diff changeset
1150 self.second = val % 60
5400
2120f77554d5 Python 3 preparation: use // and __truediv__ as needed.
Joseph Myers <jsm@polyomino.org.uk>
parents: 5394
diff changeset
1151 val = val // 60
2212
75e46660345c stop Interval from displaying an empty string [SF#934022]
Richard Jones <richard@users.sourceforge.net>
parents: 2189
diff changeset
1152 self.minute = val % 60
5400
2120f77554d5 Python 3 preparation: use // and __truediv__ as needed.
Joseph Myers <jsm@polyomino.org.uk>
parents: 5394
diff changeset
1153 val = val // 60
2212
75e46660345c stop Interval from displaying an empty string [SF#934022]
Richard Jones <richard@users.sourceforge.net>
parents: 2189
diff changeset
1154 self.hour = val % 24
5400
2120f77554d5 Python 3 preparation: use // and __truediv__ as needed.
Joseph Myers <jsm@polyomino.org.uk>
parents: 5394
diff changeset
1155 val = val // 24
2212
75e46660345c stop Interval from displaying an empty string [SF#934022]
Richard Jones <richard@users.sourceforge.net>
parents: 2189
diff changeset
1156 self.day = val
75e46660345c stop Interval from displaying an empty string [SF#934022]
Richard Jones <richard@users.sourceforge.net>
parents: 2189
diff changeset
1157 self.month = self.year = 0
75e46660345c stop Interval from displaying an empty string [SF#934022]
Richard Jones <richard@users.sourceforge.net>
parents: 2189
diff changeset
1158
2388
8a9af227a557 Date and Interval objects allow to change translator after instance creation...
Alexander Smishlajev <a1s@users.sourceforge.net>
parents: 2359
diff changeset
1159 def setTranslator(self, translator):
8a9af227a557 Date and Interval objects allow to change translator after instance creation...
Alexander Smishlajev <a1s@users.sourceforge.net>
parents: 2359
diff changeset
1160 """Replace the translation engine
8a9af227a557 Date and Interval objects allow to change translator after instance creation...
Alexander Smishlajev <a1s@users.sourceforge.net>
parents: 2359
diff changeset
1161
8a9af227a557 Date and Interval objects allow to change translator after instance creation...
Alexander Smishlajev <a1s@users.sourceforge.net>
parents: 2359
diff changeset
1162 'translator'
8a9af227a557 Date and Interval objects allow to change translator after instance creation...
Alexander Smishlajev <a1s@users.sourceforge.net>
parents: 2359
diff changeset
1163 is i18n module or one of gettext translation classes.
8a9af227a557 Date and Interval objects allow to change translator after instance creation...
Alexander Smishlajev <a1s@users.sourceforge.net>
parents: 2359
diff changeset
1164 It must have attributes 'gettext' and 'ngettext',
8a9af227a557 Date and Interval objects allow to change translator after instance creation...
Alexander Smishlajev <a1s@users.sourceforge.net>
parents: 2359
diff changeset
1165 serving as translation functions.
8a9af227a557 Date and Interval objects allow to change translator after instance creation...
Alexander Smishlajev <a1s@users.sourceforge.net>
parents: 2359
diff changeset
1166 """
8a9af227a557 Date and Interval objects allow to change translator after instance creation...
Alexander Smishlajev <a1s@users.sourceforge.net>
parents: 2359
diff changeset
1167 self.translator = translator
8a9af227a557 Date and Interval objects allow to change translator after instance creation...
Alexander Smishlajev <a1s@users.sourceforge.net>
parents: 2359
diff changeset
1168 self._ = translator.gettext
8a9af227a557 Date and Interval objects allow to change translator after instance creation...
Alexander Smishlajev <a1s@users.sourceforge.net>
parents: 2359
diff changeset
1169 self.ngettext = translator.ngettext
8a9af227a557 Date and Interval objects allow to change translator after instance creation...
Alexander Smishlajev <a1s@users.sourceforge.net>
parents: 2359
diff changeset
1170
2212
75e46660345c stop Interval from displaying an empty string [SF#934022]
Richard Jones <richard@users.sourceforge.net>
parents: 2189
diff changeset
1171
1487
37a1906f4454 fixed Interval maths [SF#665357]
Richard Jones <richard@users.sourceforge.net>
parents: 1463
diff changeset
1172 def fixTimeOverflow(time):
1930
71056b09f2bf Add tests for Interval.pretty().
Johannes Gijsbers <jlgijsbers@users.sourceforge.net>
parents: 1894
diff changeset
1173 """ Handle the overflow in the time portion (H, M, S) of "time":
1487
37a1906f4454 fixed Interval maths [SF#665357]
Richard Jones <richard@users.sourceforge.net>
parents: 1463
diff changeset
1174 (sign, y,m,d,H,M,S)
37a1906f4454 fixed Interval maths [SF#665357]
Richard Jones <richard@users.sourceforge.net>
parents: 1463
diff changeset
1175
37a1906f4454 fixed Interval maths [SF#665357]
Richard Jones <richard@users.sourceforge.net>
parents: 1463
diff changeset
1176 Overflow and underflow will at most affect the _days_ portion of
37a1906f4454 fixed Interval maths [SF#665357]
Richard Jones <richard@users.sourceforge.net>
parents: 1463
diff changeset
1177 the date. We do not overflow days to months as we don't know _how_
37a1906f4454 fixed Interval maths [SF#665357]
Richard Jones <richard@users.sourceforge.net>
parents: 1463
diff changeset
1178 to, generally.
1930
71056b09f2bf Add tests for Interval.pretty().
Johannes Gijsbers <jlgijsbers@users.sourceforge.net>
parents: 1894
diff changeset
1179 """
1487
37a1906f4454 fixed Interval maths [SF#665357]
Richard Jones <richard@users.sourceforge.net>
parents: 1463
diff changeset
1180 # XXX we could conceivably use this function for handling regular dates
37a1906f4454 fixed Interval maths [SF#665357]
Richard Jones <richard@users.sourceforge.net>
parents: 1463
diff changeset
1181 # XXX too - we just need to interrogate the month/year for the day
37a1906f4454 fixed Interval maths [SF#665357]
Richard Jones <richard@users.sourceforge.net>
parents: 1463
diff changeset
1182 # XXX overflow...
37a1906f4454 fixed Interval maths [SF#665357]
Richard Jones <richard@users.sourceforge.net>
parents: 1463
diff changeset
1183
37a1906f4454 fixed Interval maths [SF#665357]
Richard Jones <richard@users.sourceforge.net>
parents: 1463
diff changeset
1184 sign, y, m, d, H, M, S = time
37a1906f4454 fixed Interval maths [SF#665357]
Richard Jones <richard@users.sourceforge.net>
parents: 1463
diff changeset
1185 seconds = sign * (S + M*60 + H*60*60 + d*60*60*24)
37a1906f4454 fixed Interval maths [SF#665357]
Richard Jones <richard@users.sourceforge.net>
parents: 1463
diff changeset
1186 if seconds:
6193
69b1aaf9c51f pep8 changes,
John Rouillard <rouilj@ieee.org>
parents: 5811
diff changeset
1187 sign = seconds < 0 and -1 or 1
1487
37a1906f4454 fixed Interval maths [SF#665357]
Richard Jones <richard@users.sourceforge.net>
parents: 1463
diff changeset
1188 seconds *= sign
6193
69b1aaf9c51f pep8 changes,
John Rouillard <rouilj@ieee.org>
parents: 5811
diff changeset
1189 S = seconds % 60
5400
2120f77554d5 Python 3 preparation: use // and __truediv__ as needed.
Joseph Myers <jsm@polyomino.org.uk>
parents: 5394
diff changeset
1190 seconds //= 60
6193
69b1aaf9c51f pep8 changes,
John Rouillard <rouilj@ieee.org>
parents: 5811
diff changeset
1191 M = seconds % 60
5400
2120f77554d5 Python 3 preparation: use // and __truediv__ as needed.
Joseph Myers <jsm@polyomino.org.uk>
parents: 5394
diff changeset
1192 seconds //= 60
6193
69b1aaf9c51f pep8 changes,
John Rouillard <rouilj@ieee.org>
parents: 5811
diff changeset
1193 H = seconds % 24
5400
2120f77554d5 Python 3 preparation: use // and __truediv__ as needed.
Joseph Myers <jsm@polyomino.org.uk>
parents: 5394
diff changeset
1194 d = seconds // 24
1487
37a1906f4454 fixed Interval maths [SF#665357]
Richard Jones <richard@users.sourceforge.net>
parents: 1463
diff changeset
1195 else:
37a1906f4454 fixed Interval maths [SF#665357]
Richard Jones <richard@users.sourceforge.net>
parents: 1463
diff changeset
1196 months = y*12 + m
6193
69b1aaf9c51f pep8 changes,
John Rouillard <rouilj@ieee.org>
parents: 5811
diff changeset
1197 sign = months < 0 and -1 or 1
1487
37a1906f4454 fixed Interval maths [SF#665357]
Richard Jones <richard@users.sourceforge.net>
parents: 1463
diff changeset
1198 months *= sign
6193
69b1aaf9c51f pep8 changes,
John Rouillard <rouilj@ieee.org>
parents: 5811
diff changeset
1199 m = months % 12
5400
2120f77554d5 Python 3 preparation: use // and __truediv__ as needed.
Joseph Myers <jsm@polyomino.org.uk>
parents: 5394
diff changeset
1200 y = months//12
1487
37a1906f4454 fixed Interval maths [SF#665357]
Richard Jones <richard@users.sourceforge.net>
parents: 1463
diff changeset
1201
37a1906f4454 fixed Interval maths [SF#665357]
Richard Jones <richard@users.sourceforge.net>
parents: 1463
diff changeset
1202 return (sign, y, m, d, H, M, S)
37a1906f4454 fixed Interval maths [SF#665357]
Richard Jones <richard@users.sourceforge.net>
parents: 1463
diff changeset
1203
6193
69b1aaf9c51f pep8 changes,
John Rouillard <rouilj@ieee.org>
parents: 5811
diff changeset
1204
1499
8ee69708da0c added support for searching on ranges of dates
Andrey Lebedev <kedder@users.sourceforge.net>
parents: 1494
diff changeset
1205 class Range:
2005
fc52d57c6c3e documentation cleanup
Richard Jones <richard@users.sourceforge.net>
parents: 1946
diff changeset
1206 """Represents range between two values
1499
8ee69708da0c added support for searching on ranges of dates
Andrey Lebedev <kedder@users.sourceforge.net>
parents: 1494
diff changeset
1207 Ranges can be created using one of theese two alternative syntaxes:
2339
6ba57546d212 fix i18n - mainly plural forms in Interval.pretty()
Alexander Smishlajev <a1s@users.sourceforge.net>
parents: 2262
diff changeset
1208
2005
fc52d57c6c3e documentation cleanup
Richard Jones <richard@users.sourceforge.net>
parents: 1946
diff changeset
1209 1. Native english syntax::
fc52d57c6c3e documentation cleanup
Richard Jones <richard@users.sourceforge.net>
parents: 1946
diff changeset
1210
1499
8ee69708da0c added support for searching on ranges of dates
Andrey Lebedev <kedder@users.sourceforge.net>
parents: 1494
diff changeset
1211 [[From] <value>][ To <value>]
2005
fc52d57c6c3e documentation cleanup
Richard Jones <richard@users.sourceforge.net>
parents: 1946
diff changeset
1212
fc52d57c6c3e documentation cleanup
Richard Jones <richard@users.sourceforge.net>
parents: 1946
diff changeset
1213 Keywords "From" and "To" are case insensitive. Keyword "From" is
fc52d57c6c3e documentation cleanup
Richard Jones <richard@users.sourceforge.net>
parents: 1946
diff changeset
1214 optional.
1499
8ee69708da0c added support for searching on ranges of dates
Andrey Lebedev <kedder@users.sourceforge.net>
parents: 1494
diff changeset
1215
2005
fc52d57c6c3e documentation cleanup
Richard Jones <richard@users.sourceforge.net>
parents: 1946
diff changeset
1216 2. "Geek" syntax::
fc52d57c6c3e documentation cleanup
Richard Jones <richard@users.sourceforge.net>
parents: 1946
diff changeset
1217
fc52d57c6c3e documentation cleanup
Richard Jones <richard@users.sourceforge.net>
parents: 1946
diff changeset
1218 [<value>][; <value>]
1499
8ee69708da0c added support for searching on ranges of dates
Andrey Lebedev <kedder@users.sourceforge.net>
parents: 1494
diff changeset
1219
8ee69708da0c added support for searching on ranges of dates
Andrey Lebedev <kedder@users.sourceforge.net>
parents: 1494
diff changeset
1220 Either first or second <value> can be omitted in both syntaxes.
8ee69708da0c added support for searching on ranges of dates
Andrey Lebedev <kedder@users.sourceforge.net>
parents: 1494
diff changeset
1221
2005
fc52d57c6c3e documentation cleanup
Richard Jones <richard@users.sourceforge.net>
parents: 1946
diff changeset
1222 Examples (consider local time is Sat Mar 8 22:07:48 EET 2003)::
fc52d57c6c3e documentation cleanup
Richard Jones <richard@users.sourceforge.net>
parents: 1946
diff changeset
1223
4985
07c59221f363 Make doctests run in date module
Ralf Schlatterbeck <rsc@runtux.com>
parents: 4856
diff changeset
1224 make doctest think it's always 2000-06-26.00:34:02:
07c59221f363 Make doctests run in date module
Ralf Schlatterbeck <rsc@runtux.com>
parents: 4856
diff changeset
1225 >>> u = test_ini('2003-03-08.20:07:48.0')
07c59221f363 Make doctests run in date module
Ralf Schlatterbeck <rsc@runtux.com>
parents: 4856
diff changeset
1226
07c59221f363 Make doctests run in date module
Ralf Schlatterbeck <rsc@runtux.com>
parents: 4856
diff changeset
1227 >>> Range("from 2-12 to 4-2", Date)
1499
8ee69708da0c added support for searching on ranges of dates
Andrey Lebedev <kedder@users.sourceforge.net>
parents: 1494
diff changeset
1228 <Range from 2003-02-12.00:00:00 to 2003-04-02.00:00:00>
2339
6ba57546d212 fix i18n - mainly plural forms in Interval.pretty()
Alexander Smishlajev <a1s@users.sourceforge.net>
parents: 2262
diff changeset
1229
4985
07c59221f363 Make doctests run in date module
Ralf Schlatterbeck <rsc@runtux.com>
parents: 4856
diff changeset
1230 >>> Range("18:00 to +2m", Date)
1499
8ee69708da0c added support for searching on ranges of dates
Andrey Lebedev <kedder@users.sourceforge.net>
parents: 1494
diff changeset
1231 <Range from 2003-03-08.18:00:00 to 2003-05-08.20:07:48>
2339
6ba57546d212 fix i18n - mainly plural forms in Interval.pretty()
Alexander Smishlajev <a1s@users.sourceforge.net>
parents: 2262
diff changeset
1232
4985
07c59221f363 Make doctests run in date module
Ralf Schlatterbeck <rsc@runtux.com>
parents: 4856
diff changeset
1233 >>> Range("tO +3d", Date)
07c59221f363 Make doctests run in date module
Ralf Schlatterbeck <rsc@runtux.com>
parents: 4856
diff changeset
1234 <Range from None to 2003-03-11.20:07:48>
07c59221f363 Make doctests run in date module
Ralf Schlatterbeck <rsc@runtux.com>
parents: 4856
diff changeset
1235
07c59221f363 Make doctests run in date module
Ralf Schlatterbeck <rsc@runtux.com>
parents: 4856
diff changeset
1236 >>> Range("12:00 to", Date)
1499
8ee69708da0c added support for searching on ranges of dates
Andrey Lebedev <kedder@users.sourceforge.net>
parents: 1494
diff changeset
1237 <Range from 2003-03-08.12:00:00 to None>
2339
6ba57546d212 fix i18n - mainly plural forms in Interval.pretty()
Alexander Smishlajev <a1s@users.sourceforge.net>
parents: 2262
diff changeset
1238
4985
07c59221f363 Make doctests run in date module
Ralf Schlatterbeck <rsc@runtux.com>
parents: 4856
diff changeset
1239 >>> Range("12:00;", Date)
07c59221f363 Make doctests run in date module
Ralf Schlatterbeck <rsc@runtux.com>
parents: 4856
diff changeset
1240 <Range from 2003-03-08.12:00:00 to None>
2339
6ba57546d212 fix i18n - mainly plural forms in Interval.pretty()
Alexander Smishlajev <a1s@users.sourceforge.net>
parents: 2262
diff changeset
1241
4985
07c59221f363 Make doctests run in date module
Ralf Schlatterbeck <rsc@runtux.com>
parents: 4856
diff changeset
1242 >>> Range("2002-11-10; 2002-12-12", Date)
1499
8ee69708da0c added support for searching on ranges of dates
Andrey Lebedev <kedder@users.sourceforge.net>
parents: 1494
diff changeset
1243 <Range from 2002-11-10.00:00:00 to 2002-12-12.00:00:00>
2339
6ba57546d212 fix i18n - mainly plural forms in Interval.pretty()
Alexander Smishlajev <a1s@users.sourceforge.net>
parents: 2262
diff changeset
1244
4985
07c59221f363 Make doctests run in date module
Ralf Schlatterbeck <rsc@runtux.com>
parents: 4856
diff changeset
1245 >>> Range("; 20:00 +1d", Date)
1499
8ee69708da0c added support for searching on ranges of dates
Andrey Lebedev <kedder@users.sourceforge.net>
parents: 1494
diff changeset
1246 <Range from None to 2003-03-09.20:00:00>
8ee69708da0c added support for searching on ranges of dates
Andrey Lebedev <kedder@users.sourceforge.net>
parents: 1494
diff changeset
1247
4991
03505579abef Fix bug in (Date- or Interval-) Range parsing
Ralf Schlatterbeck <rsc@runtux.com>
parents: 4986
diff changeset
1248 >>> Range("from 2003-02-16", Date)
03505579abef Fix bug in (Date- or Interval-) Range parsing
Ralf Schlatterbeck <rsc@runtux.com>
parents: 4986
diff changeset
1249 <Range from 2003-02-16.00:00:00 to None>
03505579abef Fix bug in (Date- or Interval-) Range parsing
Ralf Schlatterbeck <rsc@runtux.com>
parents: 4986
diff changeset
1250
03505579abef Fix bug in (Date- or Interval-) Range parsing
Ralf Schlatterbeck <rsc@runtux.com>
parents: 4986
diff changeset
1251 >>> Range("2003-02-16;", Date)
03505579abef Fix bug in (Date- or Interval-) Range parsing
Ralf Schlatterbeck <rsc@runtux.com>
parents: 4986
diff changeset
1252 <Range from 2003-02-16.00:00:00 to None>
03505579abef Fix bug in (Date- or Interval-) Range parsing
Ralf Schlatterbeck <rsc@runtux.com>
parents: 4986
diff changeset
1253
4985
07c59221f363 Make doctests run in date module
Ralf Schlatterbeck <rsc@runtux.com>
parents: 4856
diff changeset
1254 Granularity tests:
07c59221f363 Make doctests run in date module
Ralf Schlatterbeck <rsc@runtux.com>
parents: 4856
diff changeset
1255
07c59221f363 Make doctests run in date module
Ralf Schlatterbeck <rsc@runtux.com>
parents: 4856
diff changeset
1256 >>> Range("12:00", Date)
07c59221f363 Make doctests run in date module
Ralf Schlatterbeck <rsc@runtux.com>
parents: 4856
diff changeset
1257 <Range from 2003-03-08.12:00:00 to 2003-03-08.12:00:59>
07c59221f363 Make doctests run in date module
Ralf Schlatterbeck <rsc@runtux.com>
parents: 4856
diff changeset
1258
07c59221f363 Make doctests run in date module
Ralf Schlatterbeck <rsc@runtux.com>
parents: 4856
diff changeset
1259 >>> Range("2003-03-08", Date)
07c59221f363 Make doctests run in date module
Ralf Schlatterbeck <rsc@runtux.com>
parents: 4856
diff changeset
1260 <Range from 2003-03-08.00:00:00 to 2003-03-08.23:59:59>
07c59221f363 Make doctests run in date module
Ralf Schlatterbeck <rsc@runtux.com>
parents: 4856
diff changeset
1261
07c59221f363 Make doctests run in date module
Ralf Schlatterbeck <rsc@runtux.com>
parents: 4856
diff changeset
1262 >>> test_fin(u)
07c59221f363 Make doctests run in date module
Ralf Schlatterbeck <rsc@runtux.com>
parents: 4856
diff changeset
1263
4991
03505579abef Fix bug in (Date- or Interval-) Range parsing
Ralf Schlatterbeck <rsc@runtux.com>
parents: 4986
diff changeset
1264 Range of Interval tests
03505579abef Fix bug in (Date- or Interval-) Range parsing
Ralf Schlatterbeck <rsc@runtux.com>
parents: 4986
diff changeset
1265
03505579abef Fix bug in (Date- or Interval-) Range parsing
Ralf Schlatterbeck <rsc@runtux.com>
parents: 4986
diff changeset
1266 >>> Range ("from 0:50 to 2:00", Interval)
03505579abef Fix bug in (Date- or Interval-) Range parsing
Ralf Schlatterbeck <rsc@runtux.com>
parents: 4986
diff changeset
1267 <Range from + 0:50 to + 2:00>
03505579abef Fix bug in (Date- or Interval-) Range parsing
Ralf Schlatterbeck <rsc@runtux.com>
parents: 4986
diff changeset
1268 >>> Range ("from 0:50 to 1d 2:00", Interval)
03505579abef Fix bug in (Date- or Interval-) Range parsing
Ralf Schlatterbeck <rsc@runtux.com>
parents: 4986
diff changeset
1269 <Range from + 0:50 to + 1d 2:00>
03505579abef Fix bug in (Date- or Interval-) Range parsing
Ralf Schlatterbeck <rsc@runtux.com>
parents: 4986
diff changeset
1270 >>> Range ("from 5:50", Interval)
03505579abef Fix bug in (Date- or Interval-) Range parsing
Ralf Schlatterbeck <rsc@runtux.com>
parents: 4986
diff changeset
1271 <Range from + 5:50 to None>
03505579abef Fix bug in (Date- or Interval-) Range parsing
Ralf Schlatterbeck <rsc@runtux.com>
parents: 4986
diff changeset
1272 >>> Range ("to 0:05", Interval)
03505579abef Fix bug in (Date- or Interval-) Range parsing
Ralf Schlatterbeck <rsc@runtux.com>
parents: 4986
diff changeset
1273 <Range from None to + 0:05>
03505579abef Fix bug in (Date- or Interval-) Range parsing
Ralf Schlatterbeck <rsc@runtux.com>
parents: 4986
diff changeset
1274
1499
8ee69708da0c added support for searching on ranges of dates
Andrey Lebedev <kedder@users.sourceforge.net>
parents: 1494
diff changeset
1275 """
3954
3d5a0a949107 Fix granularity stuff so it handles wrapping a lot better.
Richard Jones <richard@users.sourceforge.net>
parents: 3953
diff changeset
1276 def __init__(self, spec, Type, allow_granularity=True, **params):
1509
1d4ebe2a88fc hope this will make Range class a little bit clearer
Andrey Lebedev <kedder@users.sourceforge.net>
parents: 1505
diff changeset
1277 """Initializes Range of type <Type> from given <spec> string.
2339
6ba57546d212 fix i18n - mainly plural forms in Interval.pretty()
Alexander Smishlajev <a1s@users.sourceforge.net>
parents: 2262
diff changeset
1278
1499
8ee69708da0c added support for searching on ranges of dates
Andrey Lebedev <kedder@users.sourceforge.net>
parents: 1494
diff changeset
1279 Sets two properties - from_value and to_value. None assigned to any of
8ee69708da0c added support for searching on ranges of dates
Andrey Lebedev <kedder@users.sourceforge.net>
parents: 1494
diff changeset
1280 this properties means "infinitum" (-infinitum to from_value and
1509
1d4ebe2a88fc hope this will make Range class a little bit clearer
Andrey Lebedev <kedder@users.sourceforge.net>
parents: 1505
diff changeset
1281 +infinitum to to_value)
1d4ebe2a88fc hope this will make Range class a little bit clearer
Andrey Lebedev <kedder@users.sourceforge.net>
parents: 1505
diff changeset
1282
1d4ebe2a88fc hope this will make Range class a little bit clearer
Andrey Lebedev <kedder@users.sourceforge.net>
parents: 1505
diff changeset
1283 The Type parameter here should be class itself (e.g. Date), not a
1d4ebe2a88fc hope this will make Range class a little bit clearer
Andrey Lebedev <kedder@users.sourceforge.net>
parents: 1505
diff changeset
1284 class instance.
1499
8ee69708da0c added support for searching on ranges of dates
Andrey Lebedev <kedder@users.sourceforge.net>
parents: 1494
diff changeset
1285 """
1509
1d4ebe2a88fc hope this will make Range class a little bit clearer
Andrey Lebedev <kedder@users.sourceforge.net>
parents: 1505
diff changeset
1286 self.range_type = Type
4985
07c59221f363 Make doctests run in date module
Ralf Schlatterbeck <rsc@runtux.com>
parents: 4856
diff changeset
1287 re_range = r'^(?:from)?(.+?)?to(.+?)?$'
4991
03505579abef Fix bug in (Date- or Interval-) Range parsing
Ralf Schlatterbeck <rsc@runtux.com>
parents: 4986
diff changeset
1288 re_range_no_to = r'^from(.+)(.)?$'
4985
07c59221f363 Make doctests run in date module
Ralf Schlatterbeck <rsc@runtux.com>
parents: 4856
diff changeset
1289 re_geek_range = r'^(.+?)?;(.+?)?$'
1499
8ee69708da0c added support for searching on ranges of dates
Andrey Lebedev <kedder@users.sourceforge.net>
parents: 1494
diff changeset
1290 # Check which syntax to use
3954
3d5a0a949107 Fix granularity stuff so it handles wrapping a lot better.
Richard Jones <richard@users.sourceforge.net>
parents: 3953
diff changeset
1291 if ';' in spec:
3d5a0a949107 Fix granularity stuff so it handles wrapping a lot better.
Richard Jones <richard@users.sourceforge.net>
parents: 3953
diff changeset
1292 # Geek
3d5a0a949107 Fix granularity stuff so it handles wrapping a lot better.
Richard Jones <richard@users.sourceforge.net>
parents: 3953
diff changeset
1293 m = re.search(re_geek_range, spec.strip())
1499
8ee69708da0c added support for searching on ranges of dates
Andrey Lebedev <kedder@users.sourceforge.net>
parents: 1494
diff changeset
1294 else:
3954
3d5a0a949107 Fix granularity stuff so it handles wrapping a lot better.
Richard Jones <richard@users.sourceforge.net>
parents: 3953
diff changeset
1295 # Native english
3d5a0a949107 Fix granularity stuff so it handles wrapping a lot better.
Richard Jones <richard@users.sourceforge.net>
parents: 3953
diff changeset
1296 m = re.search(re_range, spec.strip(), re.IGNORECASE)
6193
69b1aaf9c51f pep8 changes,
John Rouillard <rouilj@ieee.org>
parents: 5811
diff changeset
1297 if not m:
4991
03505579abef Fix bug in (Date- or Interval-) Range parsing
Ralf Schlatterbeck <rsc@runtux.com>
parents: 4986
diff changeset
1298 m = re.search(re_range_no_to, spec.strip(), re.IGNORECASE)
3954
3d5a0a949107 Fix granularity stuff so it handles wrapping a lot better.
Richard Jones <richard@users.sourceforge.net>
parents: 3953
diff changeset
1299 if m:
3d5a0a949107 Fix granularity stuff so it handles wrapping a lot better.
Richard Jones <richard@users.sourceforge.net>
parents: 3953
diff changeset
1300 self.from_value, self.to_value = m.groups()
1499
8ee69708da0c added support for searching on ranges of dates
Andrey Lebedev <kedder@users.sourceforge.net>
parents: 1494
diff changeset
1301 if self.from_value:
1509
1d4ebe2a88fc hope this will make Range class a little bit clearer
Andrey Lebedev <kedder@users.sourceforge.net>
parents: 1505
diff changeset
1302 self.from_value = Type(self.from_value.strip(), **params)
1499
8ee69708da0c added support for searching on ranges of dates
Andrey Lebedev <kedder@users.sourceforge.net>
parents: 1494
diff changeset
1303 if self.to_value:
1509
1d4ebe2a88fc hope this will make Range class a little bit clearer
Andrey Lebedev <kedder@users.sourceforge.net>
parents: 1505
diff changeset
1304 self.to_value = Type(self.to_value.strip(), **params)
1499
8ee69708da0c added support for searching on ranges of dates
Andrey Lebedev <kedder@users.sourceforge.net>
parents: 1494
diff changeset
1305 else:
1597
4d55f90d4af1 granularity based ranges
Andrey Lebedev <kedder@users.sourceforge.net>
parents: 1542
diff changeset
1306 if allow_granularity:
4d55f90d4af1 granularity based ranges
Andrey Lebedev <kedder@users.sourceforge.net>
parents: 1542
diff changeset
1307 self.from_value = Type(spec, **params)
3954
3d5a0a949107 Fix granularity stuff so it handles wrapping a lot better.
Richard Jones <richard@users.sourceforge.net>
parents: 3953
diff changeset
1308 self.to_value = Type(spec, add_granularity=True, **params)
1597
4d55f90d4af1 granularity based ranges
Andrey Lebedev <kedder@users.sourceforge.net>
parents: 1542
diff changeset
1309 else:
5378
35ea9b1efc14 Python 3 preparation: "raise" syntax.
Joseph Myers <jsm@polyomino.org.uk>
parents: 5377
diff changeset
1310 raise ValueError("Invalid range")
1499
8ee69708da0c added support for searching on ranges of dates
Andrey Lebedev <kedder@users.sourceforge.net>
parents: 1494
diff changeset
1311
8ee69708da0c added support for searching on ranges of dates
Andrey Lebedev <kedder@users.sourceforge.net>
parents: 1494
diff changeset
1312 def __str__(self):
8ee69708da0c added support for searching on ranges of dates
Andrey Lebedev <kedder@users.sourceforge.net>
parents: 1494
diff changeset
1313 return "from %s to %s" % (self.from_value, self.to_value)
8ee69708da0c added support for searching on ranges of dates
Andrey Lebedev <kedder@users.sourceforge.net>
parents: 1494
diff changeset
1314
8ee69708da0c added support for searching on ranges of dates
Andrey Lebedev <kedder@users.sourceforge.net>
parents: 1494
diff changeset
1315 def __repr__(self):
8ee69708da0c added support for searching on ranges of dates
Andrey Lebedev <kedder@users.sourceforge.net>
parents: 1494
diff changeset
1316 return "<Range %s>" % self.__str__()
2339
6ba57546d212 fix i18n - mainly plural forms in Interval.pretty()
Alexander Smishlajev <a1s@users.sourceforge.net>
parents: 2262
diff changeset
1317
6193
69b1aaf9c51f pep8 changes,
John Rouillard <rouilj@ieee.org>
parents: 5811
diff changeset
1318
1499
8ee69708da0c added support for searching on ranges of dates
Andrey Lebedev <kedder@users.sourceforge.net>
parents: 1494
diff changeset
1319 def test_range():
1597
4d55f90d4af1 granularity based ranges
Andrey Lebedev <kedder@users.sourceforge.net>
parents: 1542
diff changeset
1320 rspecs = ("from 2-12 to 4-2", "from 18:00 TO +2m", "12:00;", "tO +3d",
4d55f90d4af1 granularity based ranges
Andrey Lebedev <kedder@users.sourceforge.net>
parents: 1542
diff changeset
1321 "2002-11-10; 2002-12-12", "; 20:00 +1d", '2002-10-12')
4d55f90d4af1 granularity based ranges
Andrey Lebedev <kedder@users.sourceforge.net>
parents: 1542
diff changeset
1322 rispecs = ('from -1w 2d 4:32 to 4d', '-2w 1d')
1499
8ee69708da0c added support for searching on ranges of dates
Andrey Lebedev <kedder@users.sourceforge.net>
parents: 1494
diff changeset
1323 for rspec in rspecs:
5376
64b05e24dbd8 Python 3 preparation: convert print to a function.
Joseph Myers <jsm@polyomino.org.uk>
parents: 4991
diff changeset
1324 print('>>> Range("%s")' % rspec)
5377
12fe83f90f0d Python 3 preparation: use repr() instead of ``.
Joseph Myers <jsm@polyomino.org.uk>
parents: 5376
diff changeset
1325 print(repr(Range(rspec, Date)))
5376
64b05e24dbd8 Python 3 preparation: convert print to a function.
Joseph Myers <jsm@polyomino.org.uk>
parents: 4991
diff changeset
1326 print()
1597
4d55f90d4af1 granularity based ranges
Andrey Lebedev <kedder@users.sourceforge.net>
parents: 1542
diff changeset
1327 for rspec in rispecs:
5376
64b05e24dbd8 Python 3 preparation: convert print to a function.
Joseph Myers <jsm@polyomino.org.uk>
parents: 4991
diff changeset
1328 print('>>> Range("%s")' % rspec)
5377
12fe83f90f0d Python 3 preparation: use repr() instead of ``.
Joseph Myers <jsm@polyomino.org.uk>
parents: 5376
diff changeset
1329 print(repr(Range(rspec, Interval)))
5376
64b05e24dbd8 Python 3 preparation: convert print to a function.
Joseph Myers <jsm@polyomino.org.uk>
parents: 4991
diff changeset
1330 print()
25
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1331
6193
69b1aaf9c51f pep8 changes,
John Rouillard <rouilj@ieee.org>
parents: 5811
diff changeset
1332
25
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1333 def test():
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1334 intervals = (" 3w 1 d 2:00", " + 2d", "3w")
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1335 for interval in intervals:
6193
69b1aaf9c51f pep8 changes,
John Rouillard <rouilj@ieee.org>
parents: 5811
diff changeset
1336 print('>>> Interval("%s")' % interval)
5377
12fe83f90f0d Python 3 preparation: use repr() instead of ``.
Joseph Myers <jsm@polyomino.org.uk>
parents: 5376
diff changeset
1337 print(repr(Interval(interval)))
25
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1338
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1339 dates = (".", "2000-06-25.19:34:02", ". + 2d", "1997-04-17", "01-25",
6193
69b1aaf9c51f pep8 changes,
John Rouillard <rouilj@ieee.org>
parents: 5811
diff changeset
1340 "08-13.22:13", "14:25", '2002-12')
25
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1341 for date in dates:
6193
69b1aaf9c51f pep8 changes,
John Rouillard <rouilj@ieee.org>
parents: 5811
diff changeset
1342 print('>>> Date("%s")' % date)
5377
12fe83f90f0d Python 3 preparation: use repr() instead of ``.
Joseph Myers <jsm@polyomino.org.uk>
parents: 5376
diff changeset
1343 print(repr(Date(date)))
25
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1344
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1345 sums = ((". + 2d", "3w"), (".", " 3w 1 d 2:00"))
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1346 for date, interval in sums:
6193
69b1aaf9c51f pep8 changes,
John Rouillard <rouilj@ieee.org>
parents: 5811
diff changeset
1347 print('>>> Date("%s") + Interval("%s")' % (date, interval))
5377
12fe83f90f0d Python 3 preparation: use repr() instead of ``.
Joseph Myers <jsm@polyomino.org.uk>
parents: 5376
diff changeset
1348 print(repr(Date(date) + Interval(interval)))
25
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1349
6193
69b1aaf9c51f pep8 changes,
John Rouillard <rouilj@ieee.org>
parents: 5811
diff changeset
1350
25
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1351 if __name__ == '__main__':
1597
4d55f90d4af1 granularity based ranges
Andrey Lebedev <kedder@users.sourceforge.net>
parents: 1542
diff changeset
1352 test()
25
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1353
3210
ea29d69f7415 fix error message formatting in Date.__init__;
Alexander Smishlajev <a1s@users.sourceforge.net>
parents: 3151
diff changeset
1354 # vim: set filetype=python sts=4 sw=4 et si :
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