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annotate roundup/date.py @ 6206:b6f2cf872d2e

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Expand sunset header explanation, fix formating missing `.
author John Rouillard <rouilj@ieee.org>
date Fri, 26 Jun 2020 18:44:26 -0400
parents 69b1aaf9c51f
children d76291836523
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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 from __future__ import print_function
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21 __docformat__ = 'restructuredtext'
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23 import calendar
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24 import datetime
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25 import re
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26
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27 try:
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28 import pytz
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29 except ImportError:
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30 pytz = None
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31
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32 try:
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33 cmp
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34 except NameError:
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35 # Python 3.
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36 def cmp(a, b):
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37 return (a > b) - (a < b)
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38
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39 from roundup import i18n
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40 from roundup.anypy.strings import is_us
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41
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42 # no, I don't know why we must anchor the date RE when we only ever use it
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43 # in a match()
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44 date_re = re.compile(r'''^
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45 ((?P<y>\d\d\d\d)([/-](?P<m>\d\d?)([/-](?P<d>\d\d?))?)? # yyyy[-mm[-dd]]
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46 |(?P<a>\d\d?)[/-](?P<b>\d\d?))? # or mm-dd
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47 (?P<n>\.)? # .
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48 (((?P<H>\d?\d):(?P<M>\d\d))?(:(?P<S>\d\d?(\.\d+)?))?)? # hh:mm:ss
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49 (?:(?P<tz>\s?[+-]\d{4})|(?P<o>[\d\smywd\-+]+))? # time-zone offset, offset
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50 $''', re.VERBOSE)
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51 serialised_date_re = re.compile(r'''
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52 (\d{4})(\d\d)(\d\d)(\d\d)(\d\d)(\d\d?(\.\d+)?)
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53 ''', re.VERBOSE)
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54
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55 _timedelta0 = datetime.timedelta(0)
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56
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57 # load UTC tzinfo
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58 if pytz:
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59 UTC = pytz.utc
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60 else:
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61 # fallback implementation from Python Library Reference
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62
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63 class _UTC(datetime.tzinfo):
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64
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65 """Universal Coordinated Time zoneinfo"""
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66
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67 def utcoffset(self, dt):
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68 return _timedelta0
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69
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70 def tzname(self, dt):
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71 return "UTC"
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72
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73 def dst(self, dt):
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74 return _timedelta0
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75
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76 def __repr__(self):
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77 return "<UTC>"
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78
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79 # pytz adjustments interface
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80 # Note: pytz verifies that dt is naive datetime for localize()
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81 # and not naive datetime for normalize().
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82 # In this implementation, we don't care.
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83
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84 def normalize(self, dt, is_dst=False):
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85 return dt.replace(tzinfo=self)
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86
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87 def localize(self, dt, is_dst=False):
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88 return dt.replace(tzinfo=self)
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89
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90 UTC = _UTC()
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91
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92
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93 # integral hours offsets were available in Roundup versions prior to 1.1.3
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94 # and still are supported as a fallback if pytz module is not installed
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95 class SimpleTimezone(datetime.tzinfo):
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96
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97 """Simple zoneinfo with fixed numeric offset and no daylight savings"""
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98
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99 def __init__(self, offset=0, name=None):
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100 super(SimpleTimezone, self).__init__()
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101 self.offset = offset
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102 if name:
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103 self.name = name
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104 else:
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105 self.name = "Etc/GMT%+d" % self.offset
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106
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107 def utcoffset(self, dt):
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108 return datetime.timedelta(hours=self.offset)
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109
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110 def tzname(self, dt):
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111 return self.name
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112
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113 def dst(self, dt):
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114 return _timedelta0
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115
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116 def __repr__(self):
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117 return "<%s: %s>" % (self.__class__.__name__, self.name)
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118
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119 # pytz adjustments interface
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120
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121 def normalize(self, dt):
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122 return dt.replace(tzinfo=self)
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123
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124 def localize(self, dt, is_dst=False):
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125 return dt.replace(tzinfo=self)
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126
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127
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128 # simple timezones with fixed offset
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129 _tzoffsets = dict(GMT=0, UCT=0, EST=5, MST=7, HST=10)
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130
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131
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132 def get_timezone(tz):
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133 # if tz is None, return None (will result in naive datetimes)
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134 # XXX should we return UTC for None?
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135 if tz is None:
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136 return None
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137 # try integer offset first for backward compatibility
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138 try:
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139 utcoffset = int(tz)
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140 except (TypeError, ValueError):
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141 pass
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142 else:
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143 if utcoffset == 0:
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144 return UTC
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145 else:
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146 return SimpleTimezone(utcoffset)
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147 # tz is a timezone name
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148 if pytz:
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149 return pytz.timezone(tz)
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150 elif tz == "UTC":
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151 return UTC
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152 elif tz in _tzoffsets:
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153 return SimpleTimezone(_tzoffsets[tz], tz)
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154 else:
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155 raise KeyError(tz)
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156
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157
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158 def _utc_to_local(y,m,d,H,M,S,tz):
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159 TZ = get_timezone(tz)
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160 S = min(S, 59.999)
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161 frac = S - int(S)
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162 dt = datetime.datetime(y, m, d, H, M, int(S), tzinfo=UTC)
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163 y,m,d,H,M,S = dt.astimezone(TZ).timetuple()[:6]
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164 S = S + frac
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165 return (y,m,d,H,M,S)
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166
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167
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168 def _local_to_utc(y,m,d,H,M,S,tz):
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169 TZ = get_timezone(tz)
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170 dt = datetime.datetime(y,m,d,H,M,int(S))
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171 y,m,d,H,M,S = TZ.localize(dt).utctimetuple()[:6]
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172 return (y,m,d,H,M,S)
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173
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174
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175 def test_ini(t):
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176 """ Monkey-patch to make doctest think it's always time t:
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177 """
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178 u = Date.now
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179 d = datetime.datetime.strptime(t, '%Y-%m-%d.%H:%M:%S.%f')
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180 Date.now = lambda x: d
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181 return u
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182
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183
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184 def test_fin(u):
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185 """ Undo monkey patch above
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186 """
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187 Date.now = u
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188
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189
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190 class Date:
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191 '''
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192 As strings, date-and-time stamps are specified with the date in
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193 international standard format (yyyy-mm-dd) joined to the time
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194 (hh:mm:ss) by a period ("."). Dates in this form can be easily compared
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195 and are fairly readable when printed. An example of a valid stamp is
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196 "2000-06-24.13:03:59". We'll call this the "full date format". When
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197 Timestamp objects are printed as strings, they appear in the full date
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198 format with the time always given in UTC. The full date format is
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199 always exactly 19 characters long.
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200
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201 For user input, some partial forms are also permitted: the whole time
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202 or just the seconds may be omitted; and the whole date may be omitted
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203 or just the year may be omitted. If the time is given, the time is
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204 interpreted in the user's local time zone. The Date constructor takes
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205 care of these conversions. In the following examples, suppose that yyyy
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206 is the current year, mm is the current month, and dd is the current day
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207 of the month; and suppose that the user is on Eastern Standard Time.
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208
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209 Note that Date conversion from user inputs will use the local
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210 timezone, either from the database user (some database schemas have
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211 a timezone property for a user) or from a default in the roundup
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212 configuration. Roundup will store all times in UTC in the database
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213 but display the time to the user in their local timezone as
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214 configured. In the following examples the timezone correction for
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215 Eastern Standard Time (GMT-5, no DST) will be applied explicitly via
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216 an offset, but times are given in UTC in the output.
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217
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218 Examples::
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219
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220
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221 make doctest think it's always 2000-06-26.00:34:02:
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222 >>> u = test_ini('2000-06-26.00:34:02.0')
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223
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224 >>> Date("2000-04-17-0500")
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225 <Date 2000-04-17.05:00:00.000>
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226 >>> Date("01-25-0500")
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227 <Date 2000-01-25.05:00:00.000>
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228 >>> Date("2000-04-17.03:45-0500")
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229 <Date 2000-04-17.08:45:00.000>
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230 >>> Date("08-13.22:13-0500")
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231 <Date 2000-08-14.03:13:00.000>
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232 >>> Date("11-07.09:32:43-0500")
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233 <Date 2000-11-07.14:32:43.000>
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234 >>> Date("14:25-0500")
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235 <Date 2000-06-26.19:25:00.000>
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236 >>> Date("8:47:11-0500")
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237 <Date 2000-06-26.13:47:11.000>
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238 >>> Date("2003 -0500")
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239 <Date 2003-01-01.05:00:00.000>
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240 >>> Date("2003-06 -0500")
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241 <Date 2003-06-01.05:00:00.000>
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242
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243 "." means "right now":
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244 >>> Date(".")
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245 <Date 2000-06-26.00:34:02.000>
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246
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247 >>> test_fin(u)
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248
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249 The Date class should understand simple date expressions of the form
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250 stamp + interval and stamp - interval. When adding or subtracting
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251 intervals involving months or years, the components are handled
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252 separately. For example, when evaluating "2000-06-25 + 1m 10d", we
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253 first add one month to get 2000-07-25, then add 10 days to get
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254 2000-08-04 (rather than trying to decide whether 1m 10d means 38 or 40
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255 or 41 days). Example usage::
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256
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257 make doctest think it's always 2000-06-26.00:34:02:
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258 >>> u = test_ini('2000-06-26.00:34:02.0')
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259
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260 >>> Date(".")
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261 <Date 2000-06-26.00:34:02.000>
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262 >>> _.local(-5)
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263 <Date 2000-06-25.19:34:02.000>
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264 >>> Date(". + 2d")
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265 <Date 2000-06-28.00:34:02.000>
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266 >>> Date("1997-04-17", -5)
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267 <Date 1997-04-17.05:00:00.000>
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268 >>> Date("01-25", -5)
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269 <Date 2000-01-25.05:00:00.000>
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270 >>> Date("08-13.22:13", -5)
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271 <Date 2000-08-14.03:13:00.000>
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272 >>> Date("14:25", -5)
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273 <Date 2000-06-26.19:25:00.000>
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274
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275 The date format 'yyyymmddHHMMSS' (year, month, day, hour,
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276 minute, second) is the serialisation format returned by the serialise()
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277 method, and is accepted as an argument on instatiation.
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278
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279 In addition, a timezone specifier can be appended to the date format.
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280 The timezone specifier is a sign ("+" or "-") followed by a 4-digit
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281 number as in the RFC 2822 date format.
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282 The first two digits indicate the number of hours, while the last two
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283 digits indicate the number of minutes the time is offset from
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284 Coordinated Universal Time (UTC). The "+" or "-" sign indicate whether
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285 the time is ahead of (east of) or behind (west of) UTC. Note that a
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286 given timezone specifier *overrides* an offset given to the Date
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287 constructor. Examples::
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288
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289 >>> Date ("2000-08-14+0200")
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290 <Date 2000-08-13.22:00:00.000>
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291 >>> Date ("08-15.22:00+0200")
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292 <Date 2000-08-15.20:00:00.000>
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293 >>> Date ("08-15.22:47+0200")
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294 <Date 2000-08-15.20:47:00.000>
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295 >>> Date ("08-15.22:47+0200", offset = 5)
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296 <Date 2000-08-15.20:47:00.000>
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297 >>> Date ("08-15.22:47", offset = 5)
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298 <Date 2000-08-15.17:47:00.000>
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299
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300 The date class handles basic arithmetic, but note that arithmetic
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301 cannot be combined with timezone offsets (see last example)::
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302
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303 >>> x=test_ini('2004-04-06.22:04:20.766830')
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304 >>> d1=Date('.')
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305 >>> d1
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306 <Date 2004-04-06.22:04:20.767>
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307 >>> d2=Date('2003-07-01')
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308 >>> d2
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309 <Date 2003-07-01.00:00:00.000>
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310 >>> d1-d2
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311 <Interval + 280d 22:04:20>
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312 >>> i1=_
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313 >>> d2+i1
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314 <Date 2004-04-06.22:04:20.000>
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315 >>> d1-i1
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316 <Date 2003-07-01.00:00:00.000>
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317
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318 >>> test_fin(u)
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319 '''
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320
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321 def __init__(self, spec='.', offset=0, add_granularity=False,
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322 translator=i18n):
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323 """Construct a date given a specification and a time zone offset.
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324
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325 'spec'
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326 is a full date or a partial form, with an optional added or
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327 subtracted interval. Or a date 9-tuple.
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328 'offset'
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329 is the local time zone offset from GMT in hours.
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330 'translator'
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331 is i18n module or one of gettext translation classes.
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332 It must have attributes 'gettext' and 'ngettext',
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333 serving as translation functions.
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334 """
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335 self.setTranslator(translator)
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336 # Python 2.3+ datetime object
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337 # common case when reading from database: avoid double-conversion
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338 if isinstance(spec, datetime.datetime):
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339 if offset == 0:
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340 self.year, self.month, self.day, self.hour, self.minute, \
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341 self.second = spec.timetuple()[:6]
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342 else:
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343 TZ = get_timezone(tz)
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344 self.year, self.month, self.day, self.hour, self.minute, \
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345 self.second = TZ.localize(spec).utctimetuple()[:6]
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346 self.second += spec.microsecond/1000000.
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347 return
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348
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349 if isinstance(spec, type('')):
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350 self.set(spec, offset=offset, add_granularity=add_granularity)
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351 return
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352 elif hasattr(spec, 'tuple'):
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353 spec = spec.tuple()
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354 elif isinstance(spec, Date):
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355 spec = spec.get_tuple()
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356 try:
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357 y,m,d,H,M,S,x,x,x = spec
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358 S = min(S, 59.999)
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359 frac = S - int(S)
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360 self.year, self.month, self.day, self.hour, self.minute, \
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361 self.second = _local_to_utc(y, m, d, H, M, S, offset)
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362 # we lost the fractional part
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363 self.second = self.second + frac
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364 # making sure we match the precision of serialise()
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365 self.second = min(self.second, 59.999)
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366 except Exception:
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367 raise ValueError('Unknown spec %r' % (spec,))
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368
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369 def now(self):
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370 """ To be able to override for testing
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371 """
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372 return datetime.datetime.utcnow()
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373
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374 def set(self, spec, offset=0, date_re=date_re,
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375 serialised_re=serialised_date_re, add_granularity=False):
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376 ''' set the date to the value in spec
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377 '''
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diff changeset
378
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379 m = serialised_re.match(spec)
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380 if m is not None:
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381 # we're serialised - easy!
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382 g = m.groups()
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383 (self.year, self.month, self.day, self.hour, self.minute) = \
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384 map(int, g[:5])
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385 self.second = float(g[5])
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386 return
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387
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diff changeset
388 # 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
389 m = date_re.match(spec)
26f29449c494 fixed detection of bad date specs [SF#691439]
Richard Jones <richard@users.sourceforge.net>
parents: 1509
diff changeset
390 if m is None:
5378
35ea9b1efc14 Python 3 preparation: "raise" syntax.
Joseph Myers <jsm@polyomino.org.uk>
parents: 5377
diff changeset
391 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
392 '("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
393 '"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
394
26f29449c494 fixed detection of bad date specs [SF#691439]
Richard Jones <richard@users.sourceforge.net>
parents: 1509
diff changeset
395 info = m.groupdict()
26f29449c494 fixed detection of bad date specs [SF#691439]
Richard Jones <richard@users.sourceforge.net>
parents: 1509
diff changeset
396
4072
d5e2767d4e91 Robustify Date.set.
Stefan Seefeld <stefan@seefeld.name>
parents: 3954
diff changeset
397 # If add_granularity is true, construct the maximum time given
d5e2767d4e91 Robustify Date.set.
Stefan Seefeld <stefan@seefeld.name>
parents: 3954
diff changeset
398 # the precision of the input. For example, given the input
d5e2767d4e91 Robustify Date.set.
Stefan Seefeld <stefan@seefeld.name>
parents: 3954
diff changeset
399 # "12:15", construct "12:15:59". Or, for "2008", construct
d5e2767d4e91 Robustify Date.set.
Stefan Seefeld <stefan@seefeld.name>
parents: 3954
diff changeset
400 # "2008-12-31.23:59:59".
1597
4d55f90d4af1 granularity based ranges
Andrey Lebedev <kedder@users.sourceforge.net>
parents: 1542
diff changeset
401 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
402 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
403 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
404 if gran == 'S':
3d5a0a949107 Fix granularity stuff so it handles wrapping a lot better.
Richard Jones <richard@users.sourceforge.net>
parents: 3953
diff changeset
405 raise ValueError
3d5a0a949107 Fix granularity stuff so it handles wrapping a lot better.
Richard Jones <richard@users.sourceforge.net>
parents: 3953
diff changeset
406 elif gran == 'M':
3d5a0a949107 Fix granularity stuff so it handles wrapping a lot better.
Richard Jones <richard@users.sourceforge.net>
parents: 3953
diff changeset
407 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
408 elif gran == 'H':
3d5a0a949107 Fix granularity stuff so it handles wrapping a lot better.
Richard Jones <richard@users.sourceforge.net>
parents: 3953
diff changeset
409 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
410 else:
6193
69b1aaf9c51f pep8 changes,
John Rouillard <rouilj@ieee.org>
parents: 5811
diff changeset
411 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
412 break
4072
d5e2767d4e91 Robustify Date.set.
Stefan Seefeld <stefan@seefeld.name>
parents: 3954
diff changeset
413 else:
d5e2767d4e91 Robustify Date.set.
Stefan Seefeld <stefan@seefeld.name>
parents: 3954
diff changeset
414 raise ValueError(self._('Could not determine granularity'))
1597
4d55f90d4af1 granularity based ranges
Andrey Lebedev <kedder@users.sourceforge.net>
parents: 1542
diff changeset
415
1535
26f29449c494 fixed detection of bad date specs [SF#691439]
Richard Jones <richard@users.sourceforge.net>
parents: 1509
diff changeset
416 # get the current date as our default
4985
07c59221f363 Make doctests run in date module
Ralf Schlatterbeck <rsc@runtux.com>
parents: 4856
diff changeset
417 dt = self.now()
3822
2a60b68985db Fix arbitrary limit on dates.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3798
diff changeset
418 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
419 S += dt.microsecond/1000000.
1535
26f29449c494 fixed detection of bad date specs [SF#691439]
Richard Jones <richard@users.sourceforge.net>
parents: 1509
diff changeset
420
3619
df7bff6f8a2f full timezone support (based on patch [SF#1465296])
Alexander Smishlajev <a1s@users.sourceforge.net>
parents: 3612
diff changeset
421 # 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
422 adjust = False
df7bff6f8a2f full timezone support (based on patch [SF#1465296])
Alexander Smishlajev <a1s@users.sourceforge.net>
parents: 3612
diff changeset
423
1599
cc96bf971b33 extended date syntax to make range searches even more useful
Andrey Lebedev <kedder@users.sourceforge.net>
parents: 1597
diff changeset
424 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
425 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
426 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
427 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
428 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
429 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
430 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
431 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
432 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
433 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
434 d = int(info['b'])
3619
df7bff6f8a2f full timezone support (based on patch [SF#1465296])
Alexander Smishlajev <a1s@users.sourceforge.net>
parents: 3612
diff changeset
435 H = 0
1535
26f29449c494 fixed detection of bad date specs [SF#691439]
Richard Jones <richard@users.sourceforge.net>
parents: 1509
diff changeset
436 M = S = 0
3619
df7bff6f8a2f full timezone support (based on patch [SF#1465296])
Alexander Smishlajev <a1s@users.sourceforge.net>
parents: 3612
diff changeset
437 adjust = True
1535
26f29449c494 fixed detection of bad date specs [SF#691439]
Richard Jones <richard@users.sourceforge.net>
parents: 1509
diff changeset
438
26f29449c494 fixed detection of bad date specs [SF#691439]
Richard Jones <richard@users.sourceforge.net>
parents: 1509
diff changeset
439 # override hour, minute, second parts
26f29449c494 fixed detection of bad date specs [SF#691439]
Richard Jones <richard@users.sourceforge.net>
parents: 1509
diff changeset
440 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
441 H = int(info['H'])
1535
26f29449c494 fixed detection of bad date specs [SF#691439]
Richard Jones <richard@users.sourceforge.net>
parents: 1509
diff changeset
442 M = int(info['M'])
26f29449c494 fixed detection of bad date specs [SF#691439]
Richard Jones <richard@users.sourceforge.net>
parents: 1509
diff changeset
443 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
444 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
445 S = float(info['S'])
3619
df7bff6f8a2f full timezone support (based on patch [SF#1465296])
Alexander Smishlajev <a1s@users.sourceforge.net>
parents: 3612
diff changeset
446 adjust = True
1535
26f29449c494 fixed detection of bad date specs [SF#691439]
Richard Jones <richard@users.sourceforge.net>
parents: 1509
diff changeset
447
4986
fe140bc0eaa9 Implement (and document) timezone offsets
Ralf Schlatterbeck <rsc@runtux.com>
parents: 4985
diff changeset
448 if info.get('tz', None):
fe140bc0eaa9 Implement (and document) timezone offsets
Ralf Schlatterbeck <rsc@runtux.com>
parents: 4985
diff changeset
449 offset = 0
2339
6ba57546d212 fix i18n - mainly plural forms in Interval.pretty()
Alexander Smishlajev <a1s@users.sourceforge.net>
parents: 2262
diff changeset
450
1535
26f29449c494 fixed detection of bad date specs [SF#691439]
Richard Jones <richard@users.sourceforge.net>
parents: 1509
diff changeset
451 # 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
452 frac = S - int(S)
3822
2a60b68985db Fix arbitrary limit on dates.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3798
diff changeset
453 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
454 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
455 if adjust:
df7bff6f8a2f full timezone support (based on patch [SF#1465296])
Alexander Smishlajev <a1s@users.sourceforge.net>
parents: 3612
diff changeset
456 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
457 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
458 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
459 # 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
460 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
461
26f29449c494 fixed detection of bad date specs [SF#691439]
Richard Jones <richard@users.sourceforge.net>
parents: 1509
diff changeset
462 if info.get('o', None):
26f29449c494 fixed detection of bad date specs [SF#691439]
Richard Jones <richard@users.sourceforge.net>
parents: 1509
diff changeset
463 try:
1537
0e36c9b23aa6 more lenient date input and addition Interval input support [SF#677764]
Richard Jones <richard@users.sourceforge.net>
parents: 1535
diff changeset
464 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
465 except ValueError:
5378
35ea9b1efc14 Python 3 preparation: "raise" syntax.
Joseph Myers <jsm@polyomino.org.uk>
parents: 5377
diff changeset
466 raise ValueError(self._('%r not a date / time spec '
3151
6feac4fcf883 Various bug fixes.
Richard Jones <richard@users.sourceforge.net>
parents: 3028
diff changeset
467 '"yyyy-mm-dd", "mm-dd", "HH:MM", "HH:MM:SS" or '
6193
69b1aaf9c51f pep8 changes,
John Rouillard <rouilj@ieee.org>
parents: 5811
diff changeset
468 '"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
469
4986
fe140bc0eaa9 Implement (and document) timezone offsets
Ralf Schlatterbeck <rsc@runtux.com>
parents: 4985
diff changeset
470 if info.get('tz', None):
6193
69b1aaf9c51f pep8 changes,
John Rouillard <rouilj@ieee.org>
parents: 5811
diff changeset
471 tz = info['tz'].strip()
69b1aaf9c51f pep8 changes,
John Rouillard <rouilj@ieee.org>
parents: 5811
diff changeset
472 sign = [-1, 1][tz[0] == '-']
69b1aaf9c51f pep8 changes,
John Rouillard <rouilj@ieee.org>
parents: 5811
diff changeset
473 minute = int(tz[3:], 10)
69b1aaf9c51f pep8 changes,
John Rouillard <rouilj@ieee.org>
parents: 5811
diff changeset
474 hour = int(tz[1:3], 10)
4986
fe140bc0eaa9 Implement (and document) timezone offsets
Ralf Schlatterbeck <rsc@runtux.com>
parents: 4985
diff changeset
475 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
476
3954
3d5a0a949107 Fix granularity stuff so it handles wrapping a lot better.
Richard Jones <richard@users.sourceforge.net>
parents: 3953
diff changeset
477 # 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
478 if add_granularity:
3d5a0a949107 Fix granularity stuff so it handles wrapping a lot better.
Richard Jones <richard@users.sourceforge.net>
parents: 3953
diff changeset
479 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
480 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
481
861
68cef2bb929d fixed the date module so that Date(". - 2d") works
Richard Jones <richard@users.sourceforge.net>
parents: 720
diff changeset
482 def addInterval(self, interval):
68cef2bb929d fixed the date module so that Date(". - 2d") works
Richard Jones <richard@users.sourceforge.net>
parents: 720
diff changeset
483 ''' Add the interval to this date, returning the date tuple
25
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
484 '''
640
7dd13fd5d8ea fixed some problems in date calculations
Richard Jones <richard@users.sourceforge.net>
parents: 585
diff changeset
485 # 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
486 sign = interval.sign
68cef2bb929d fixed the date module so that Date(". - 2d") works
Richard Jones <richard@users.sourceforge.net>
parents: 720
diff changeset
487 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
488 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
489 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
490 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
491 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
492 # 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
493 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
494
7dd13fd5d8ea fixed some problems in date calculations
Richard Jones <richard@users.sourceforge.net>
parents: 585
diff changeset
495 # now cope with under- and over-flow
7dd13fd5d8ea fixed some problems in date calculations
Richard Jones <richard@users.sourceforge.net>
parents: 585
diff changeset
496 # first do the time
7dd13fd5d8ea fixed some problems in date calculations
Richard Jones <richard@users.sourceforge.net>
parents: 585
diff changeset
497 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
498 hour < 0 or hour > 23):
640
7dd13fd5d8ea fixed some problems in date calculations
Richard Jones <richard@users.sourceforge.net>
parents: 585
diff changeset
499 if second < 0: minute -= 1; second += 60
7dd13fd5d8ea fixed some problems in date calculations
Richard Jones <richard@users.sourceforge.net>
parents: 585
diff changeset
500 elif second > 59: minute += 1; second -= 60
7dd13fd5d8ea fixed some problems in date calculations
Richard Jones <richard@users.sourceforge.net>
parents: 585
diff changeset
501 if minute < 0: hour -= 1; minute += 60
7dd13fd5d8ea fixed some problems in date calculations
Richard Jones <richard@users.sourceforge.net>
parents: 585
diff changeset
502 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
503 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
504 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
505
7dd13fd5d8ea fixed some problems in date calculations
Richard Jones <richard@users.sourceforge.net>
parents: 585
diff changeset
506 # 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
507 while month < 1 or month > 12:
7dd13fd5d8ea fixed some problems in date calculations
Richard Jones <richard@users.sourceforge.net>
parents: 585
diff changeset
508 if month < 1: year -= 1; month += 12
7dd13fd5d8ea fixed some problems in date calculations
Richard Jones <richard@users.sourceforge.net>
parents: 585
diff changeset
509 if month > 12: year += 1; month -= 12
7dd13fd5d8ea fixed some problems in date calculations
Richard Jones <richard@users.sourceforge.net>
parents: 585
diff changeset
510
7dd13fd5d8ea fixed some problems in date calculations
Richard Jones <richard@users.sourceforge.net>
parents: 585
diff changeset
511 # 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
512 def get_mdays(year, month):
1885
deba54ed724f Date arithmetic fixes.
Anthony Baxter <anthonybaxter@users.sourceforge.net>
parents: 1600
diff changeset
513 if month == 2 and calendar.isleap(year): return 29
deba54ed724f Date arithmetic fixes.
Anthony Baxter <anthonybaxter@users.sourceforge.net>
parents: 1600
diff changeset
514 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
515
6193
69b1aaf9c51f pep8 changes,
John Rouillard <rouilj@ieee.org>
parents: 5811
diff changeset
516 while month < 1 or month > 12 or day < 1 or \
69b1aaf9c51f pep8 changes,
John Rouillard <rouilj@ieee.org>
parents: 5811
diff changeset
517 day > get_mdays(year, month):
640
7dd13fd5d8ea fixed some problems in date calculations
Richard Jones <richard@users.sourceforge.net>
parents: 585
diff changeset
518 # 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
519 if day < 1:
1885
deba54ed724f Date arithmetic fixes.
Anthony Baxter <anthonybaxter@users.sourceforge.net>
parents: 1600
diff changeset
520 # When going backwards, decrement month, then increment days
deba54ed724f Date arithmetic fixes.
Anthony Baxter <anthonybaxter@users.sourceforge.net>
parents: 1600
diff changeset
521 month -= 1
6193
69b1aaf9c51f pep8 changes,
John Rouillard <rouilj@ieee.org>
parents: 5811
diff changeset
522 day += get_mdays(year, month)
69b1aaf9c51f pep8 changes,
John Rouillard <rouilj@ieee.org>
parents: 5811
diff changeset
523 elif day > get_mdays(year, month):
1885
deba54ed724f Date arithmetic fixes.
Anthony Baxter <anthonybaxter@users.sourceforge.net>
parents: 1600
diff changeset
524 # When going forwards, decrement days, then increment month
6193
69b1aaf9c51f pep8 changes,
John Rouillard <rouilj@ieee.org>
parents: 5811
diff changeset
525 day -= get_mdays(year, month)
1885
deba54ed724f Date arithmetic fixes.
Anthony Baxter <anthonybaxter@users.sourceforge.net>
parents: 1600
diff changeset
526 month += 1
640
7dd13fd5d8ea fixed some problems in date calculations
Richard Jones <richard@users.sourceforge.net>
parents: 585
diff changeset
527
7dd13fd5d8ea fixed some problems in date calculations
Richard Jones <richard@users.sourceforge.net>
parents: 585
diff changeset
528 # 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
529 while month < 1 or month > 12:
6193
69b1aaf9c51f pep8 changes,
John Rouillard <rouilj@ieee.org>
parents: 5811
diff changeset
530 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
531 if month > 12: year += 1; month -= 12
7dd13fd5d8ea fixed some problems in date calculations
Richard Jones <richard@users.sourceforge.net>
parents: 585
diff changeset
532
861
68cef2bb929d fixed the date module so that Date(". - 2d") works
Richard Jones <richard@users.sourceforge.net>
parents: 720
diff changeset
533 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
534
1894
41ad8b781232 Date - Date works again.
Anthony Baxter <anthonybaxter@users.sourceforge.net>
parents: 1885
diff changeset
535 def differenceDate(self, other):
41ad8b781232 Date - Date works again.
Anthony Baxter <anthonybaxter@users.sourceforge.net>
parents: 1885
diff changeset
536 "Return the difference between this date and another date"
2189
d39068bc6ef9 implement differenceDate ;)
Richard Jones <richard@users.sourceforge.net>
parents: 2188
diff changeset
537 return self - other
1894
41ad8b781232 Date - Date works again.
Anthony Baxter <anthonybaxter@users.sourceforge.net>
parents: 1885
diff changeset
538
861
68cef2bb929d fixed the date module so that Date(". - 2d") works
Richard Jones <richard@users.sourceforge.net>
parents: 720
diff changeset
539 def applyInterval(self, interval):
68cef2bb929d fixed the date module so that Date(". - 2d") works
Richard Jones <richard@users.sourceforge.net>
parents: 720
diff changeset
540 ''' 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
541 '''
68cef2bb929d fixed the date module so that Date(". - 2d") works
Richard Jones <richard@users.sourceforge.net>
parents: 720
diff changeset
542 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
543 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
544
68cef2bb929d fixed the date module so that Date(". - 2d") works
Richard Jones <richard@users.sourceforge.net>
parents: 720
diff changeset
545 def __add__(self, interval):
68cef2bb929d fixed the date module so that Date(". - 2d") works
Richard Jones <richard@users.sourceforge.net>
parents: 720
diff changeset
546 """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
547 """
2388
8a9af227a557 Date and Interval objects allow to change translator after instance creation...
Alexander Smishlajev <a1s@users.sourceforge.net>
parents: 2359
diff changeset
548 return Date(self.addInterval(interval), translator=self.translator)
25
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
549
1103
db787cef1385 handled some XXXs
Richard Jones <richard@users.sourceforge.net>
parents: 1094
diff changeset
550 # deviates from spec to allow subtraction of dates as well
25
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
551 def __sub__(self, other):
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
552 """ Subtract:
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
553 1. an interval from this date to produce another date.
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
554 2. a date from this date to produce an interval.
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
555 """
641
cfa460943d4d Oops, there's 24 hours in a day...
Richard Jones <richard@users.sourceforge.net>
parents: 640
diff changeset
556 if isinstance(other, Interval):
1094
854d45f8b745 fixes to tests and Interval unmarshalling
Richard Jones <richard@users.sourceforge.net>
parents: 1090
diff changeset
557 other = Interval(other.get_tuple())
854d45f8b745 fixes to tests and Interval unmarshalling
Richard Jones <richard@users.sourceforge.net>
parents: 1090
diff changeset
558 other.sign *= -1
641
cfa460943d4d Oops, there's 24 hours in a day...
Richard Jones <richard@users.sourceforge.net>
parents: 640
diff changeset
559 return self.__add__(other)
cfa460943d4d Oops, there's 24 hours in a day...
Richard Jones <richard@users.sourceforge.net>
parents: 640
diff changeset
560
cfa460943d4d Oops, there's 24 hours in a day...
Richard Jones <richard@users.sourceforge.net>
parents: 640
diff changeset
561 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
562
1894
41ad8b781232 Date - Date works again.
Anthony Baxter <anthonybaxter@users.sourceforge.net>
parents: 1885
diff changeset
563 return self.dateDelta(other)
41ad8b781232 Date - Date works again.
Anthony Baxter <anthonybaxter@users.sourceforge.net>
parents: 1885
diff changeset
564
41ad8b781232 Date - Date works again.
Anthony Baxter <anthonybaxter@users.sourceforge.net>
parents: 1885
diff changeset
565 def dateDelta(self, other):
41ad8b781232 Date - Date works again.
Anthony Baxter <anthonybaxter@users.sourceforge.net>
parents: 1885
diff changeset
566 """ Produce an Interval of the difference between this date
41ad8b781232 Date - Date works again.
Anthony Baxter <anthonybaxter@users.sourceforge.net>
parents: 1885
diff changeset
567 and another date. Only returns days:hours:minutes:seconds.
41ad8b781232 Date - Date works again.
Anthony Baxter <anthonybaxter@users.sourceforge.net>
parents: 1885
diff changeset
568 """
41ad8b781232 Date - Date works again.
Anthony Baxter <anthonybaxter@users.sourceforge.net>
parents: 1885
diff changeset
569 # Returning intervals larger than a day is almost
41ad8b781232 Date - Date works again.
Anthony Baxter <anthonybaxter@users.sourceforge.net>
parents: 1885
diff changeset
570 # 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
571 a = calendar.timegm((self.year, self.month, self.day, self.hour,
6193
69b1aaf9c51f pep8 changes,
John Rouillard <rouilj@ieee.org>
parents: 5811
diff changeset
572 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
573 b = calendar.timegm((other.year, other.month, other.day,
6193
69b1aaf9c51f pep8 changes,
John Rouillard <rouilj@ieee.org>
parents: 5811
diff changeset
574 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
575 # 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
576 diff = int(a - b)
1894
41ad8b781232 Date - Date works again.
Anthony Baxter <anthonybaxter@users.sourceforge.net>
parents: 1885
diff changeset
577 if diff > 0:
641
cfa460943d4d Oops, there's 24 hours in a day...
Richard Jones <richard@users.sourceforge.net>
parents: 640
diff changeset
578 sign = 1
cfa460943d4d Oops, there's 24 hours in a day...
Richard Jones <richard@users.sourceforge.net>
parents: 640
diff changeset
579 else:
cfa460943d4d Oops, there's 24 hours in a day...
Richard Jones <richard@users.sourceforge.net>
parents: 640
diff changeset
580 sign = -1
1894
41ad8b781232 Date - Date works again.
Anthony Baxter <anthonybaxter@users.sourceforge.net>
parents: 1885
diff changeset
581 diff = -diff
6193
69b1aaf9c51f pep8 changes,
John Rouillard <rouilj@ieee.org>
parents: 5811
diff changeset
582 S = diff % 60
69b1aaf9c51f pep8 changes,
John Rouillard <rouilj@ieee.org>
parents: 5811
diff changeset
583 M = (diff//60) % 60
69b1aaf9c51f pep8 changes,
John Rouillard <rouilj@ieee.org>
parents: 5811
diff changeset
584 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
585 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
586 return Interval((0, 0, d, H, M, S), sign=sign,
6193
69b1aaf9c51f pep8 changes,
John Rouillard <rouilj@ieee.org>
parents: 5811
diff changeset
587 translator=self.translator)
25
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
588
2102
666402433998 Fix some tests.
Richard Jones <richard@users.sourceforge.net>
parents: 2100
diff changeset
589 def __cmp__(self, other, int_seconds=0):
25
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
590 """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
591 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
592 return 1
2102
666402433998 Fix some tests.
Richard Jones <richard@users.sourceforge.net>
parents: 2100
diff changeset
593 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
594 if not hasattr(other, attr):
a568596dbea7 Unit tests and a few fixes.
Richard Jones <richard@users.sourceforge.net>
parents: 861
diff changeset
595 return 1
25
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
596 r = cmp(getattr(self, attr), getattr(other, attr))
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
597 if r: return r
2102
666402433998 Fix some tests.
Richard Jones <richard@users.sourceforge.net>
parents: 2100
diff changeset
598 if not hasattr(other, 'second'):
666402433998 Fix some tests.
Richard Jones <richard@users.sourceforge.net>
parents: 2100
diff changeset
599 return 1
666402433998 Fix some tests.
Richard Jones <richard@users.sourceforge.net>
parents: 2100
diff changeset
600 if int_seconds:
666402433998 Fix some tests.
Richard Jones <richard@users.sourceforge.net>
parents: 2100
diff changeset
601 return cmp(int(self.second), int(other.second))
666402433998 Fix some tests.
Richard Jones <richard@users.sourceforge.net>
parents: 2100
diff changeset
602 return cmp(self.second, other.second)
25
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
603
5414
3fa026621f69 Python 3 preparation: comparisons.
Joseph Myers <jsm@polyomino.org.uk>
parents: 5400
diff changeset
604 def __lt__(self, other):
3fa026621f69 Python 3 preparation: comparisons.
Joseph Myers <jsm@polyomino.org.uk>
parents: 5400
diff changeset
605 return self.__cmp__(other) < 0
6193
69b1aaf9c51f pep8 changes,
John Rouillard <rouilj@ieee.org>
parents: 5811
diff changeset
606
5414
3fa026621f69 Python 3 preparation: comparisons.
Joseph Myers <jsm@polyomino.org.uk>
parents: 5400
diff changeset
607 def __le__(self, other):
3fa026621f69 Python 3 preparation: comparisons.
Joseph Myers <jsm@polyomino.org.uk>
parents: 5400
diff changeset
608 return self.__cmp__(other) <= 0
6193
69b1aaf9c51f pep8 changes,
John Rouillard <rouilj@ieee.org>
parents: 5811
diff changeset
609
5414
3fa026621f69 Python 3 preparation: comparisons.
Joseph Myers <jsm@polyomino.org.uk>
parents: 5400
diff changeset
610 def __eq__(self, other):
3fa026621f69 Python 3 preparation: comparisons.
Joseph Myers <jsm@polyomino.org.uk>
parents: 5400
diff changeset
611 return self.__cmp__(other) == 0
6193
69b1aaf9c51f pep8 changes,
John Rouillard <rouilj@ieee.org>
parents: 5811
diff changeset
612
5414
3fa026621f69 Python 3 preparation: comparisons.
Joseph Myers <jsm@polyomino.org.uk>
parents: 5400
diff changeset
613 def __ne__(self, other):
3fa026621f69 Python 3 preparation: comparisons.
Joseph Myers <jsm@polyomino.org.uk>
parents: 5400
diff changeset
614 return self.__cmp__(other) != 0
6193
69b1aaf9c51f pep8 changes,
John Rouillard <rouilj@ieee.org>
parents: 5811
diff changeset
615
5414
3fa026621f69 Python 3 preparation: comparisons.
Joseph Myers <jsm@polyomino.org.uk>
parents: 5400
diff changeset
616 def __gt__(self, other):
3fa026621f69 Python 3 preparation: comparisons.
Joseph Myers <jsm@polyomino.org.uk>
parents: 5400
diff changeset
617 return self.__cmp__(other) > 0
6193
69b1aaf9c51f pep8 changes,
John Rouillard <rouilj@ieee.org>
parents: 5811
diff changeset
618
5414
3fa026621f69 Python 3 preparation: comparisons.
Joseph Myers <jsm@polyomino.org.uk>
parents: 5400
diff changeset
619 def __ge__(self, other):
3fa026621f69 Python 3 preparation: comparisons.
Joseph Myers <jsm@polyomino.org.uk>
parents: 5400
diff changeset
620 return self.__cmp__(other) >= 0
3fa026621f69 Python 3 preparation: comparisons.
Joseph Myers <jsm@polyomino.org.uk>
parents: 5400
diff changeset
621
25
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
622 def __str__(self):
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
623 """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
624 return self.formal()
18addf2a8596 Implemented proper datatypes in mysql and postgresql backends...
Richard Jones <richard@users.sourceforge.net>
parents: 2005
diff changeset
625
18addf2a8596 Implemented proper datatypes in mysql and postgresql backends...
Richard Jones <richard@users.sourceforge.net>
parents: 2005
diff changeset
626 def formal(self, sep='.', sec='%02d'):
6193
69b1aaf9c51f pep8 changes,
John Rouillard <rouilj@ieee.org>
parents: 5811
diff changeset
627 f = '%%04d-%%02d-%%02d%s%%02d:%%02d:%s' % (sep, sec)
69b1aaf9c51f pep8 changes,
John Rouillard <rouilj@ieee.org>
parents: 5811
diff changeset
628 return f % (self.year, self.month, self.day, self.hour, self.minute,
69b1aaf9c51f pep8 changes,
John Rouillard <rouilj@ieee.org>
parents: 5811
diff changeset
629 self.second)
25
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
630
5637
43970d92323e Add two isoformat() methods. One for Date and one for Interval.
John Rouillard <rouilj@ieee.org>
parents: 5438
diff changeset
631 def isoformat(self):
43970d92323e Add two isoformat() methods. One for Date and one for Interval.
John Rouillard <rouilj@ieee.org>
parents: 5438
diff changeset
632 ''' 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
633
43970d92323e Add two isoformat() methods. One for Date and one for Interval.
John Rouillard <rouilj@ieee.org>
parents: 5438
diff changeset
634 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
635 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
636 '''
6193
69b1aaf9c51f pep8 changes,
John Rouillard <rouilj@ieee.org>
parents: 5811
diff changeset
637 f = '%%04d-%%02d-%%02d%s%%02d:%%02d:%s' % ("T", "%02.6d")
69b1aaf9c51f pep8 changes,
John Rouillard <rouilj@ieee.org>
parents: 5811
diff changeset
638 return f % (self.year, self.month, self.day, self.hour, self.minute,
69b1aaf9c51f pep8 changes,
John Rouillard <rouilj@ieee.org>
parents: 5811
diff changeset
639 self.second)
5637
43970d92323e Add two isoformat() methods. One for Date and one for Interval.
John Rouillard <rouilj@ieee.org>
parents: 5438
diff changeset
640
1272
cae50587fb96 expose the Date.pretty method to templating
Richard Jones <richard@users.sourceforge.net>
parents: 1268
diff changeset
641 def pretty(self, format='%d %B %Y'):
25
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
642 ''' 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
643
cae50587fb96 expose the Date.pretty method to templating
Richard Jones <richard@users.sourceforge.net>
parents: 1268
diff changeset
644 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
645 format, then the day number will be removed from output.
25
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
646 '''
3822
2a60b68985db Fix arbitrary limit on dates.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3798
diff changeset
647 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
648 self.minute, int(self.second),
6193
69b1aaf9c51f pep8 changes,
John Rouillard <rouilj@ieee.org>
parents: 5811
diff changeset
649 int((self.second - int(self.second)) * 1000000.))
3822
2a60b68985db Fix arbitrary limit on dates.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3798
diff changeset
650 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
651
1272
cae50587fb96 expose the Date.pretty method to templating
Richard Jones <richard@users.sourceforge.net>
parents: 1268
diff changeset
652 # handle zero day by removing it
cae50587fb96 expose the Date.pretty method to templating
Richard Jones <richard@users.sourceforge.net>
parents: 1268
diff changeset
653 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
654 return ' ' + str[1:]
585
c08fb4921eda %e is a UNIXism and not documented for Python
Jürgen Hermann <jhermann@users.sourceforge.net>
parents: 543
diff changeset
655 return str
25
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
656
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
657 def __repr__(self):
6193
69b1aaf9c51f pep8 changes,
John Rouillard <rouilj@ieee.org>
parents: 5811
diff changeset
658 return '<Date %s>' % self.formal(sec='%06.3f')
25
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
659
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
660 def local(self, offset):
1318
46a1951fdb14 fix Date.local()
Richard Jones <richard@users.sourceforge.net>
parents: 1272
diff changeset
661 """ 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
662 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
663 """
6193
69b1aaf9c51f pep8 changes,
John Rouillard <rouilj@ieee.org>
parents: 5811
diff changeset
664 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
665 self.hour, self.minute, self.second, offset)
69b1aaf9c51f pep8 changes,
John Rouillard <rouilj@ieee.org>
parents: 5811
diff changeset
666 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
667
2359
8611bf29baec deepcopy was broken for date stuff
Richard Jones <richard@users.sourceforge.net>
parents: 2339
diff changeset
668 def __deepcopy__(self, memo):
8611bf29baec deepcopy was broken for date stuff
Richard Jones <richard@users.sourceforge.net>
parents: 2339
diff changeset
669 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
670 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
671
47
34491d9b91a0 Storing only marshallable data in the db - no nasty pickled class references.
Richard Jones <richard@users.sourceforge.net>
parents: 26
diff changeset
672 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
673 return (self.year, self.month, self.day, self.hour, self.minute,
6193
69b1aaf9c51f pep8 changes,
John Rouillard <rouilj@ieee.org>
parents: 5811
diff changeset
674 self.second, 0, 0, 0)
25
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
675
964
832d1209aaa2 Preparing to turn back on link/unlink journal events.
Richard Jones <richard@users.sourceforge.net>
parents: 890
diff changeset
676 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
677 """ 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
678
8ab5d7d63191 Fixed issue2550802: Fixed date so second fraction can't cause rounding to
Bernhard Reiter <bernhard@intevation.de>
parents: 4570
diff changeset
679 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
680 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
681 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
682
8ab5d7d63191 Fixed issue2550802: Fixed date so second fraction can't cause rounding to
Bernhard Reiter <bernhard@intevation.de>
parents: 4570
diff changeset
683 """
6193
69b1aaf9c51f pep8 changes,
John Rouillard <rouilj@ieee.org>
parents: 5811
diff changeset
684 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
685 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
686
1946
c538a64b94a7 Refactored CGI file serving so that FileClass contents are...
Richard Jones <richard@users.sourceforge.net>
parents: 1941
diff changeset
687 def timestamp(self):
c538a64b94a7 Refactored CGI file serving so that FileClass contents are...
Richard Jones <richard@users.sourceforge.net>
parents: 1941
diff changeset
688 ''' 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
689 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
690 ts = calendar.timegm((self.year, self.month, self.day, self.hour,
6193
69b1aaf9c51f pep8 changes,
John Rouillard <rouilj@ieee.org>
parents: 5811
diff changeset
691 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
692 # we lose the fractional part
18addf2a8596 Implemented proper datatypes in mysql and postgresql backends...
Richard Jones <richard@users.sourceforge.net>
parents: 2005
diff changeset
693 return ts + frac
1946
c538a64b94a7 Refactored CGI file serving so that FileClass contents are...
Richard Jones <richard@users.sourceforge.net>
parents: 1941
diff changeset
694
2388
8a9af227a557 Date and Interval objects allow to change translator after instance creation...
Alexander Smishlajev <a1s@users.sourceforge.net>
parents: 2359
diff changeset
695 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
696 """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
697
8a9af227a557 Date and Interval objects allow to change translator after instance creation...
Alexander Smishlajev <a1s@users.sourceforge.net>
parents: 2359
diff changeset
698 'translator'
8a9af227a557 Date and Interval objects allow to change translator after instance creation...
Alexander Smishlajev <a1s@users.sourceforge.net>
parents: 2359
diff changeset
699 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
700 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
701 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
702 """
8a9af227a557 Date and Interval objects allow to change translator after instance creation...
Alexander Smishlajev <a1s@users.sourceforge.net>
parents: 2359
diff changeset
703 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
704 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
705 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
706
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
707 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
708 """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
709
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
710 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
711 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
712 """
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
713 usec = int((ts - int(ts)) * 1000000.)
6193
69b1aaf9c51f pep8 changes,
John Rouillard <rouilj@ieee.org>
parents: 5811
diff changeset
714 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
715 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
716 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
717
6193
69b1aaf9c51f pep8 changes,
John Rouillard <rouilj@ieee.org>
parents: 5811
diff changeset
718
25
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
719 class Interval:
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
720 '''
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
721 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
722 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
723 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
724 may not).
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
725
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
726 "3y" means three years
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
727 "2y 1m" means two years and one month
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
728 "1m 25d" means one month and 25 days
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
729 "2w 3d" means two weeks and three days
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
730 "1d 2:50" means one day, two hours, and 50 minutes
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
731 "14:00" means 14 hours
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
732 "0:04:33" means four minutes and 33 seconds
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
733
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
734 Example usage:
4985
07c59221f363 Make doctests run in date module
Ralf Schlatterbeck <rsc@runtux.com>
parents: 4856
diff changeset
735 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
736 >>> 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
737
25
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
738 >>> Interval(" 3w 1 d 2:00")
1487
37a1906f4454 fixed Interval maths [SF#665357]
Richard Jones <richard@users.sourceforge.net>
parents: 1463
diff changeset
739 <Interval + 22d 2:00>
640
7dd13fd5d8ea fixed some problems in date calculations
Richard Jones <richard@users.sourceforge.net>
parents: 585
diff changeset
740 >>> Date(". + 2d") + Interval("- 3w")
4985
07c59221f363 Make doctests run in date module
Ralf Schlatterbeck <rsc@runtux.com>
parents: 4856
diff changeset
741 <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
742 >>> Interval('1:59:59') + Interval('00:00:01')
37a1906f4454 fixed Interval maths [SF#665357]
Richard Jones <richard@users.sourceforge.net>
parents: 1463
diff changeset
743 <Interval + 2:00>
37a1906f4454 fixed Interval maths [SF#665357]
Richard Jones <richard@users.sourceforge.net>
parents: 1463
diff changeset
744 >>> Interval('2:00') + Interval('- 00:00:01')
37a1906f4454 fixed Interval maths [SF#665357]
Richard Jones <richard@users.sourceforge.net>
parents: 1463
diff changeset
745 <Interval + 1:59:59>
37a1906f4454 fixed Interval maths [SF#665357]
Richard Jones <richard@users.sourceforge.net>
parents: 1463
diff changeset
746 >>> Interval('1y')/2
37a1906f4454 fixed Interval maths [SF#665357]
Richard Jones <richard@users.sourceforge.net>
parents: 1463
diff changeset
747 <Interval + 6m>
37a1906f4454 fixed Interval maths [SF#665357]
Richard Jones <richard@users.sourceforge.net>
parents: 1463
diff changeset
748 >>> Interval('1:00')/2
37a1906f4454 fixed Interval maths [SF#665357]
Richard Jones <richard@users.sourceforge.net>
parents: 1463
diff changeset
749 <Interval + 0:30>
4985
07c59221f363 Make doctests run in date module
Ralf Schlatterbeck <rsc@runtux.com>
parents: 4856
diff changeset
750
07c59221f363 Make doctests run in date module
Ralf Schlatterbeck <rsc@runtux.com>
parents: 4856
diff changeset
751 [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
752 >>> Interval('2003-03-18')
4985
07c59221f363 Make doctests run in date module
Ralf Schlatterbeck <rsc@runtux.com>
parents: 4856
diff changeset
753 <Interval - 995d>
07c59221f363 Make doctests run in date module
Ralf Schlatterbeck <rsc@runtux.com>
parents: 4856
diff changeset
754
07c59221f363 Make doctests run in date module
Ralf Schlatterbeck <rsc@runtux.com>
parents: 4856
diff changeset
755 [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
756 >>> Interval('-4d 2003-03-18')
4985
07c59221f363 Make doctests run in date module
Ralf Schlatterbeck <rsc@runtux.com>
parents: 4856
diff changeset
757 <Interval - 991d>
07c59221f363 Make doctests run in date module
Ralf Schlatterbeck <rsc@runtux.com>
parents: 4856
diff changeset
758
07c59221f363 Make doctests run in date module
Ralf Schlatterbeck <rsc@runtux.com>
parents: 4856
diff changeset
759 >>> test_fin(u)
640
7dd13fd5d8ea fixed some problems in date calculations
Richard Jones <richard@users.sourceforge.net>
parents: 585
diff changeset
760
1487
37a1906f4454 fixed Interval maths [SF#665357]
Richard Jones <richard@users.sourceforge.net>
parents: 1463
diff changeset
761 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
762 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
763 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
764 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
765 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
766
37a1906f4454 fixed Interval maths [SF#665357]
Richard Jones <richard@users.sourceforge.net>
parents: 1463
diff changeset
767 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
768 seconds, minutes, hours, years, months, days
7dd13fd5d8ea fixed some problems in date calculations
Richard Jones <richard@users.sourceforge.net>
parents: 585
diff changeset
769
1487
37a1906f4454 fixed Interval maths [SF#665357]
Richard Jones <richard@users.sourceforge.net>
parents: 1463
diff changeset
770 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
771 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
772 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
773
964
832d1209aaa2 Preparing to turn back on link/unlink journal events.
Richard Jones <richard@users.sourceforge.net>
parents: 890
diff changeset
774 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
775 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
776 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
777
640
7dd13fd5d8ea fixed some problems in date calculations
Richard Jones <richard@users.sourceforge.net>
parents: 585
diff changeset
778 TODO: more examples, showing the order of addition operation
25
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
779 '''
3954
3d5a0a949107 Fix granularity stuff so it handles wrapping a lot better.
Richard Jones <richard@users.sourceforge.net>
parents: 3953
diff changeset
780 def __init__(self, spec, sign=1, allowdate=1, add_granularity=False,
6193
69b1aaf9c51f pep8 changes,
John Rouillard <rouilj@ieee.org>
parents: 5811
diff changeset
781 translator=i18n):
25
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
782 """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
783 self.setTranslator(translator)
5394
c26d88ec071e Python 3 preparation: handle absence of "long" type.
Joseph Myers <jsm@polyomino.org.uk>
parents: 5380
diff changeset
784 try:
c26d88ec071e Python 3 preparation: handle absence of "long" type.
Joseph Myers <jsm@polyomino.org.uk>
parents: 5380
diff changeset
785 # Python 2.
c26d88ec071e Python 3 preparation: handle absence of "long" type.
Joseph Myers <jsm@polyomino.org.uk>
parents: 5380
diff changeset
786 arith_types = (int, float, long)
c26d88ec071e Python 3 preparation: handle absence of "long" type.
Joseph Myers <jsm@polyomino.org.uk>
parents: 5380
diff changeset
787 except NameError:
c26d88ec071e Python 3 preparation: handle absence of "long" type.
Joseph Myers <jsm@polyomino.org.uk>
parents: 5380
diff changeset
788 # Python 3.
c26d88ec071e Python 3 preparation: handle absence of "long" type.
Joseph Myers <jsm@polyomino.org.uk>
parents: 5380
diff changeset
789 arith_types = (int, float)
c26d88ec071e Python 3 preparation: handle absence of "long" type.
Joseph Myers <jsm@polyomino.org.uk>
parents: 5380
diff changeset
790 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
791 self.from_seconds(spec)
5438
e2382945d302 Python 3 preparation: avoid basestring.
Joseph Myers <jsm@polyomino.org.uk>
parents: 5414
diff changeset
792 elif is_us(spec):
6193
69b1aaf9c51f pep8 changes,
John Rouillard <rouilj@ieee.org>
parents: 5811
diff changeset
793 self.set(spec, allowdate=allowdate,
69b1aaf9c51f pep8 changes,
John Rouillard <rouilj@ieee.org>
parents: 5811
diff changeset
794 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
795 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
796 (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
797 self.minute, self.second) = spec.get_tuple()
25
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
798 else:
1094
854d45f8b745 fixes to tests and Interval unmarshalling
Richard Jones <richard@users.sourceforge.net>
parents: 1090
diff changeset
799 if len(spec) == 7:
854d45f8b745 fixes to tests and Interval unmarshalling
Richard Jones <richard@users.sourceforge.net>
parents: 1090
diff changeset
800 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
801 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
802 self.second = int(self.second)
1094
854d45f8b745 fixes to tests and Interval unmarshalling
Richard Jones <richard@users.sourceforge.net>
parents: 1090
diff changeset
803 else:
854d45f8b745 fixes to tests and Interval unmarshalling
Richard Jones <richard@users.sourceforge.net>
parents: 1090
diff changeset
804 # old, buggy spec form
854d45f8b745 fixes to tests and Interval unmarshalling
Richard Jones <richard@users.sourceforge.net>
parents: 1090
diff changeset
805 self.sign = sign
854d45f8b745 fixes to tests and Interval unmarshalling
Richard Jones <richard@users.sourceforge.net>
parents: 1090
diff changeset
806 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
807 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
808 self.second = int(self.second)
25
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
809
2359
8611bf29baec deepcopy was broken for date stuff
Richard Jones <richard@users.sourceforge.net>
parents: 2339
diff changeset
810 def __deepcopy__(self, memo):
8611bf29baec deepcopy was broken for date stuff
Richard Jones <richard@users.sourceforge.net>
parents: 2339
diff changeset
811 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
812 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
813
5809
936275dfe1fa Try to fix:
John Rouillard <rouilj@ieee.org>
parents: 5637
diff changeset
814 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
815 \s*(?P<s>[-+])? # + or -
26f29449c494 fixed detection of bad date specs [SF#691439]
Richard Jones <richard@users.sourceforge.net>
parents: 1509
diff changeset
816 \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
817 \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
818 \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
819 \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
820 \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
821 \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
822 (\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
823 \.? # .
0e36c9b23aa6 more lenient date input and addition Interval input support [SF#677764]
Richard Jones <richard@users.sourceforge.net>
parents: 1535
diff changeset
824 (\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
825 )?''', 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
826 (?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
827 (?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
828 add_granularity=False):
1535
26f29449c494 fixed detection of bad date specs [SF#691439]
Richard Jones <richard@users.sourceforge.net>
parents: 1509
diff changeset
829 ''' 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
830 '''
26f29449c494 fixed detection of bad date specs [SF#691439]
Richard Jones <richard@users.sourceforge.net>
parents: 1509
diff changeset
831 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
832 self.minute = self.second = 0
26f29449c494 fixed detection of bad date specs [SF#691439]
Richard Jones <richard@users.sourceforge.net>
parents: 1509
diff changeset
833 self.sign = 1
26f29449c494 fixed detection of bad date specs [SF#691439]
Richard Jones <richard@users.sourceforge.net>
parents: 1509
diff changeset
834 m = serialised_re.match(spec)
26f29449c494 fixed detection of bad date specs [SF#691439]
Richard Jones <richard@users.sourceforge.net>
parents: 1509
diff changeset
835 if not m:
26f29449c494 fixed detection of bad date specs [SF#691439]
Richard Jones <richard@users.sourceforge.net>
parents: 1509
diff changeset
836 m = interval_re.match(spec)
26f29449c494 fixed detection of bad date specs [SF#691439]
Richard Jones <richard@users.sourceforge.net>
parents: 1509
diff changeset
837 if not m:
5378
35ea9b1efc14 Python 3 preparation: "raise" syntax.
Joseph Myers <jsm@polyomino.org.uk>
parents: 5377
diff changeset
838 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
839 ' ([+-] [#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
840 % spec))
1542
3faabaeab6aa fixed date unserialisation for *dbm backends
Richard Jones <richard@users.sourceforge.net>
parents: 1537
diff changeset
841 else:
3faabaeab6aa fixed date unserialisation for *dbm backends
Richard Jones <richard@users.sourceforge.net>
parents: 1537
diff changeset
842 allowdate = 0
1535
26f29449c494 fixed detection of bad date specs [SF#691439]
Richard Jones <richard@users.sourceforge.net>
parents: 1509
diff changeset
843
1537
0e36c9b23aa6 more lenient date input and addition Interval input support [SF#677764]
Richard Jones <richard@users.sourceforge.net>
parents: 1535
diff changeset
844 # 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
845 info = m.groupdict()
1597
4d55f90d4af1 granularity based ranges
Andrey Lebedev <kedder@users.sourceforge.net>
parents: 1542
diff changeset
846 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
847 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
848 if info[gran] is not None:
6193
69b1aaf9c51f pep8 changes,
John Rouillard <rouilj@ieee.org>
parents: 5811
diff changeset
849 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
850 break
1597
4d55f90d4af1 granularity based ranges
Andrey Lebedev <kedder@users.sourceforge.net>
parents: 1542
diff changeset
851
1535
26f29449c494 fixed detection of bad date specs [SF#691439]
Richard Jones <richard@users.sourceforge.net>
parents: 1509
diff changeset
852 valid = 0
6193
69b1aaf9c51f pep8 changes,
John Rouillard <rouilj@ieee.org>
parents: 5811
diff changeset
853 for group, attr in {'y': 'year', 'm': 'month', 'w': 'week', 'd': 'day',
69b1aaf9c51f pep8 changes,
John Rouillard <rouilj@ieee.org>
parents: 5811
diff changeset
854 '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
855 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
856 valid = 1
26f29449c494 fixed detection of bad date specs [SF#691439]
Richard Jones <richard@users.sourceforge.net>
parents: 1509
diff changeset
857 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
858
1537
0e36c9b23aa6 more lenient date input and addition Interval input support [SF#677764]
Richard Jones <richard@users.sourceforge.net>
parents: 1535
diff changeset
859 # 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
860 if not valid and not info['D']:
5378
35ea9b1efc14 Python 3 preparation: "raise" syntax.
Joseph Myers <jsm@polyomino.org.uk>
parents: 5377
diff changeset
861 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
862 ' ([+-] [#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
863 % spec))
1535
26f29449c494 fixed detection of bad date specs [SF#691439]
Richard Jones <richard@users.sourceforge.net>
parents: 1509
diff changeset
864
26f29449c494 fixed detection of bad date specs [SF#691439]
Richard Jones <richard@users.sourceforge.net>
parents: 1509
diff changeset
865 if self.week:
26f29449c494 fixed detection of bad date specs [SF#691439]
Richard Jones <richard@users.sourceforge.net>
parents: 1509
diff changeset
866 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
867
26f29449c494 fixed detection of bad date specs [SF#691439]
Richard Jones <richard@users.sourceforge.net>
parents: 1509
diff changeset
868 if info['s'] is not None:
6193
69b1aaf9c51f pep8 changes,
John Rouillard <rouilj@ieee.org>
parents: 5811
diff changeset
869 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
870
1537
0e36c9b23aa6 more lenient date input and addition Interval input support [SF#677764]
Richard Jones <richard@users.sourceforge.net>
parents: 1535
diff changeset
871 # 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
872 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
873 now = Date('.')
0e36c9b23aa6 more lenient date input and addition Interval input support [SF#677764]
Richard Jones <richard@users.sourceforge.net>
parents: 1535
diff changeset
874 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
875 # 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
876 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
877 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
878 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
879 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
880 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
881
5414
3fa026621f69 Python 3 preparation: comparisons.
Joseph Myers <jsm@polyomino.org.uk>
parents: 5400
diff changeset
882 def __lt__(self, other):
3fa026621f69 Python 3 preparation: comparisons.
Joseph Myers <jsm@polyomino.org.uk>
parents: 5400
diff changeset
883 """Compare this interval to another interval."""
3fa026621f69 Python 3 preparation: comparisons.
Joseph Myers <jsm@polyomino.org.uk>
parents: 5400
diff changeset
884
3fa026621f69 Python 3 preparation: comparisons.
Joseph Myers <jsm@polyomino.org.uk>
parents: 5400
diff changeset
885 if other is None:
3fa026621f69 Python 3 preparation: comparisons.
Joseph Myers <jsm@polyomino.org.uk>
parents: 5400
diff changeset
886 # we are always larger than None
3fa026621f69 Python 3 preparation: comparisons.
Joseph Myers <jsm@polyomino.org.uk>
parents: 5400
diff changeset
887 return False
3fa026621f69 Python 3 preparation: comparisons.
Joseph Myers <jsm@polyomino.org.uk>
parents: 5400
diff changeset
888 return self.as_seconds() < other.as_seconds()
3fa026621f69 Python 3 preparation: comparisons.
Joseph Myers <jsm@polyomino.org.uk>
parents: 5400
diff changeset
889
3fa026621f69 Python 3 preparation: comparisons.
Joseph Myers <jsm@polyomino.org.uk>
parents: 5400
diff changeset
890 def __le__(self, other):
3fa026621f69 Python 3 preparation: comparisons.
Joseph Myers <jsm@polyomino.org.uk>
parents: 5400
diff changeset
891 """Compare this interval to another interval."""
3fa026621f69 Python 3 preparation: comparisons.
Joseph Myers <jsm@polyomino.org.uk>
parents: 5400
diff changeset
892
3fa026621f69 Python 3 preparation: comparisons.
Joseph Myers <jsm@polyomino.org.uk>
parents: 5400
diff changeset
893 if other is None:
3fa026621f69 Python 3 preparation: comparisons.
Joseph Myers <jsm@polyomino.org.uk>
parents: 5400
diff changeset
894 # we are always larger than None
3fa026621f69 Python 3 preparation: comparisons.
Joseph Myers <jsm@polyomino.org.uk>
parents: 5400
diff changeset
895 return False
3fa026621f69 Python 3 preparation: comparisons.
Joseph Myers <jsm@polyomino.org.uk>
parents: 5400
diff changeset
896 return self.as_seconds() <= other.as_seconds()
3fa026621f69 Python 3 preparation: comparisons.
Joseph Myers <jsm@polyomino.org.uk>
parents: 5400
diff changeset
897
3fa026621f69 Python 3 preparation: comparisons.
Joseph Myers <jsm@polyomino.org.uk>
parents: 5400
diff changeset
898 def __eq__(self, other):
25
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
899 """Compare this interval to another interval."""
4461
5f82173d1684 Simplify and fix interval comparison.
Stefan Seefeld <stefan@seefeld.name>
parents: 4422
diff changeset
900
4465
605f31a596b8 Simplify and fix interval comparison.
Stefan Seefeld <stefan@seefeld.name>
parents: 4461
diff changeset
901 if other is None:
605f31a596b8 Simplify and fix interval comparison.
Stefan Seefeld <stefan@seefeld.name>
parents: 4461
diff changeset
902 # we are always larger than None
5414
3fa026621f69 Python 3 preparation: comparisons.
Joseph Myers <jsm@polyomino.org.uk>
parents: 5400
diff changeset
903 return False
3fa026621f69 Python 3 preparation: comparisons.
Joseph Myers <jsm@polyomino.org.uk>
parents: 5400
diff changeset
904 return self.as_seconds() == other.as_seconds()
3fa026621f69 Python 3 preparation: comparisons.
Joseph Myers <jsm@polyomino.org.uk>
parents: 5400
diff changeset
905
3fa026621f69 Python 3 preparation: comparisons.
Joseph Myers <jsm@polyomino.org.uk>
parents: 5400
diff changeset
906 def __ne__(self, other):
3fa026621f69 Python 3 preparation: comparisons.
Joseph Myers <jsm@polyomino.org.uk>
parents: 5400
diff changeset
907 """Compare this interval to another interval."""
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 if other is None:
3fa026621f69 Python 3 preparation: comparisons.
Joseph Myers <jsm@polyomino.org.uk>
parents: 5400
diff changeset
910 # we are always larger than None
3fa026621f69 Python 3 preparation: comparisons.
Joseph Myers <jsm@polyomino.org.uk>
parents: 5400
diff changeset
911 return True
3fa026621f69 Python 3 preparation: comparisons.
Joseph Myers <jsm@polyomino.org.uk>
parents: 5400
diff changeset
912 return self.as_seconds() != other.as_seconds()
3fa026621f69 Python 3 preparation: comparisons.
Joseph Myers <jsm@polyomino.org.uk>
parents: 5400
diff changeset
913
3fa026621f69 Python 3 preparation: comparisons.
Joseph Myers <jsm@polyomino.org.uk>
parents: 5400
diff changeset
914 def __gt__(self, other):
3fa026621f69 Python 3 preparation: comparisons.
Joseph Myers <jsm@polyomino.org.uk>
parents: 5400
diff changeset
915 """Compare this interval to another interval."""
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 if other is None:
3fa026621f69 Python 3 preparation: comparisons.
Joseph Myers <jsm@polyomino.org.uk>
parents: 5400
diff changeset
918 # we are always larger than None
3fa026621f69 Python 3 preparation: comparisons.
Joseph Myers <jsm@polyomino.org.uk>
parents: 5400
diff changeset
919 return True
3fa026621f69 Python 3 preparation: comparisons.
Joseph Myers <jsm@polyomino.org.uk>
parents: 5400
diff changeset
920 return self.as_seconds() > other.as_seconds()
3fa026621f69 Python 3 preparation: comparisons.
Joseph Myers <jsm@polyomino.org.uk>
parents: 5400
diff changeset
921
3fa026621f69 Python 3 preparation: comparisons.
Joseph Myers <jsm@polyomino.org.uk>
parents: 5400
diff changeset
922 def __ge__(self, other):
3fa026621f69 Python 3 preparation: comparisons.
Joseph Myers <jsm@polyomino.org.uk>
parents: 5400
diff changeset
923 """Compare this interval to another interval."""
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 if other is None:
3fa026621f69 Python 3 preparation: comparisons.
Joseph Myers <jsm@polyomino.org.uk>
parents: 5400
diff changeset
926 # we are always larger than None
3fa026621f69 Python 3 preparation: comparisons.
Joseph Myers <jsm@polyomino.org.uk>
parents: 5400
diff changeset
927 return True
3fa026621f69 Python 3 preparation: comparisons.
Joseph Myers <jsm@polyomino.org.uk>
parents: 5400
diff changeset
928 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
929
25
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
930 def __str__(self):
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
931 """Return this interval as a string."""
1487
37a1906f4454 fixed Interval maths [SF#665357]
Richard Jones <richard@users.sourceforge.net>
parents: 1463
diff changeset
932 l = []
6193
69b1aaf9c51f pep8 changes,
John Rouillard <rouilj@ieee.org>
parents: 5811
diff changeset
933 if self.year: l.append('%sy' % self.year)
69b1aaf9c51f pep8 changes,
John Rouillard <rouilj@ieee.org>
parents: 5811
diff changeset
934 if self.month: l.append('%sm' % self.month)
69b1aaf9c51f pep8 changes,
John Rouillard <rouilj@ieee.org>
parents: 5811
diff changeset
935 if self.day: l.append('%sd' % self.day)
25
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
936 if self.second:
6193
69b1aaf9c51f pep8 changes,
John Rouillard <rouilj@ieee.org>
parents: 5811
diff changeset
937 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
938 elif self.hour or self.minute:
6193
69b1aaf9c51f pep8 changes,
John Rouillard <rouilj@ieee.org>
parents: 5811
diff changeset
939 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
940 if l:
6193
69b1aaf9c51f pep8 changes,
John Rouillard <rouilj@ieee.org>
parents: 5811
diff changeset
941 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
942 else:
75e46660345c stop Interval from displaying an empty string [SF#934022]
Richard Jones <richard@users.sourceforge.net>
parents: 2189
diff changeset
943 l.append('00:00')
25
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
944 return ' '.join(l)
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
945
1268
b34adc9bcaf2 implemented the missing Interval.__add__
Richard Jones <richard@users.sourceforge.net>
parents: 1266
diff changeset
946 def __add__(self, other):
b34adc9bcaf2 implemented the missing Interval.__add__
Richard Jones <richard@users.sourceforge.net>
parents: 1266
diff changeset
947 if isinstance(other, Date):
b34adc9bcaf2 implemented the missing Interval.__add__
Richard Jones <richard@users.sourceforge.net>
parents: 1266
diff changeset
948 # 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
949 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
950 elif isinstance(other, Interval):
b34adc9bcaf2 implemented the missing Interval.__add__
Richard Jones <richard@users.sourceforge.net>
parents: 1266
diff changeset
951 # add the other Interval to this one
b34adc9bcaf2 implemented the missing Interval.__add__
Richard Jones <richard@users.sourceforge.net>
parents: 1266
diff changeset
952 a = self.get_tuple()
3702
06d7816976bc python 2.6 compatibility
Richard Jones <richard@users.sourceforge.net>
parents: 3619
diff changeset
953 asgn = a[0]
1268
b34adc9bcaf2 implemented the missing Interval.__add__
Richard Jones <richard@users.sourceforge.net>
parents: 1266
diff changeset
954 b = other.get_tuple()
3702
06d7816976bc python 2.6 compatibility
Richard Jones <richard@users.sourceforge.net>
parents: 3619
diff changeset
955 bsgn = b[0]
6193
69b1aaf9c51f pep8 changes,
John Rouillard <rouilj@ieee.org>
parents: 5811
diff changeset
956 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
957 i.insert(0, 1)
37a1906f4454 fixed Interval maths [SF#665357]
Richard Jones <richard@users.sourceforge.net>
parents: 1463
diff changeset
958 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
959 return Interval(i, translator=self.translator)
1487
37a1906f4454 fixed Interval maths [SF#665357]
Richard Jones <richard@users.sourceforge.net>
parents: 1463
diff changeset
960 # nope, no idea what to do with this other...
6193
69b1aaf9c51f pep8 changes,
John Rouillard <rouilj@ieee.org>
parents: 5811
diff changeset
961 raise TypeError("Can't add %r" % other)
1487
37a1906f4454 fixed Interval maths [SF#665357]
Richard Jones <richard@users.sourceforge.net>
parents: 1463
diff changeset
962
37a1906f4454 fixed Interval maths [SF#665357]
Richard Jones <richard@users.sourceforge.net>
parents: 1463
diff changeset
963 def __sub__(self, other):
37a1906f4454 fixed Interval maths [SF#665357]
Richard Jones <richard@users.sourceforge.net>
parents: 1463
diff changeset
964 if isinstance(other, Date):
37a1906f4454 fixed Interval maths [SF#665357]
Richard Jones <richard@users.sourceforge.net>
parents: 1463
diff changeset
965 # the other is a Date - produce a Date
37a1906f4454 fixed Interval maths [SF#665357]
Richard Jones <richard@users.sourceforge.net>
parents: 1463
diff changeset
966 interval = Interval(self.get_tuple())
37a1906f4454 fixed Interval maths [SF#665357]
Richard Jones <richard@users.sourceforge.net>
parents: 1463
diff changeset
967 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
968 return Date(other.addInterval(interval),
6193
69b1aaf9c51f pep8 changes,
John Rouillard <rouilj@ieee.org>
parents: 5811
diff changeset
969 translator=self.translator)
1487
37a1906f4454 fixed Interval maths [SF#665357]
Richard Jones <richard@users.sourceforge.net>
parents: 1463
diff changeset
970 elif isinstance(other, Interval):
37a1906f4454 fixed Interval maths [SF#665357]
Richard Jones <richard@users.sourceforge.net>
parents: 1463
diff changeset
971 # add the other Interval to this one
37a1906f4454 fixed Interval maths [SF#665357]
Richard Jones <richard@users.sourceforge.net>
parents: 1463
diff changeset
972 a = self.get_tuple()
3702
06d7816976bc python 2.6 compatibility
Richard Jones <richard@users.sourceforge.net>
parents: 3619
diff changeset
973 asgn = a[0]
1487
37a1906f4454 fixed Interval maths [SF#665357]
Richard Jones <richard@users.sourceforge.net>
parents: 1463
diff changeset
974 b = other.get_tuple()
3702
06d7816976bc python 2.6 compatibility
Richard Jones <richard@users.sourceforge.net>
parents: 3619
diff changeset
975 bsgn = b[0]
6193
69b1aaf9c51f pep8 changes,
John Rouillard <rouilj@ieee.org>
parents: 5811
diff changeset
976 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
977 i.insert(0, 1)
37a1906f4454 fixed Interval maths [SF#665357]
Richard Jones <richard@users.sourceforge.net>
parents: 1463
diff changeset
978 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
979 return Interval(i, translator=self.translator)
1268
b34adc9bcaf2 implemented the missing Interval.__add__
Richard Jones <richard@users.sourceforge.net>
parents: 1266
diff changeset
980 # nope, no idea what to do with this other...
6193
69b1aaf9c51f pep8 changes,
John Rouillard <rouilj@ieee.org>
parents: 5811
diff changeset
981 raise TypeError("Can't add %r" % other)
1268
b34adc9bcaf2 implemented the missing Interval.__add__
Richard Jones <richard@users.sourceforge.net>
parents: 1266
diff changeset
982
5400
2120f77554d5 Python 3 preparation: use // and __truediv__ as needed.
Joseph Myers <jsm@polyomino.org.uk>
parents: 5394
diff changeset
983 def __truediv__(self, other):
1930
71056b09f2bf Add tests for Interval.pretty().
Johannes Gijsbers <jlgijsbers@users.sourceforge.net>
parents: 1894
diff changeset
984 """ Divide this interval by an int value.
1487
37a1906f4454 fixed Interval maths [SF#665357]
Richard Jones <richard@users.sourceforge.net>
parents: 1463
diff changeset
985
37a1906f4454 fixed Interval maths [SF#665357]
Richard Jones <richard@users.sourceforge.net>
parents: 1463
diff changeset
986 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
987 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
988 """
1487
37a1906f4454 fixed Interval maths [SF#665357]
Richard Jones <richard@users.sourceforge.net>
parents: 1463
diff changeset
989 try:
37a1906f4454 fixed Interval maths [SF#665357]
Richard Jones <richard@users.sourceforge.net>
parents: 1463
diff changeset
990 other = float(other)
37a1906f4454 fixed Interval maths [SF#665357]
Richard Jones <richard@users.sourceforge.net>
parents: 1463
diff changeset
991 except TypeError:
5378
35ea9b1efc14 Python 3 preparation: "raise" syntax.
Joseph Myers <jsm@polyomino.org.uk>
parents: 5377
diff changeset
992 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
993
37a1906f4454 fixed Interval maths [SF#665357]
Richard Jones <richard@users.sourceforge.net>
parents: 1463
diff changeset
994 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
995 self.hour, self.minute, self.second)
1487
37a1906f4454 fixed Interval maths [SF#665357]
Richard Jones <richard@users.sourceforge.net>
parents: 1463
diff changeset
996 if y or m:
37a1906f4454 fixed Interval maths [SF#665357]
Richard Jones <richard@users.sourceforge.net>
parents: 1463
diff changeset
997 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
998 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
999 months = self.year*12 + self.month
37a1906f4454 fixed Interval maths [SF#665357]
Richard Jones <richard@users.sourceforge.net>
parents: 1463
diff changeset
1000 months *= self.sign
37a1906f4454 fixed Interval maths [SF#665357]
Richard Jones <richard@users.sourceforge.net>
parents: 1463
diff changeset
1001
37a1906f4454 fixed Interval maths [SF#665357]
Richard Jones <richard@users.sourceforge.net>
parents: 1463
diff changeset
1002 months = int(months/other)
37a1906f4454 fixed Interval maths [SF#665357]
Richard Jones <richard@users.sourceforge.net>
parents: 1463
diff changeset
1003
6193
69b1aaf9c51f pep8 changes,
John Rouillard <rouilj@ieee.org>
parents: 5811
diff changeset
1004 sign = months < 0 and -1 or 1
69b1aaf9c51f pep8 changes,
John Rouillard <rouilj@ieee.org>
parents: 5811
diff changeset
1005 m = months % 12
5400
2120f77554d5 Python 3 preparation: use // and __truediv__ as needed.
Joseph Myers <jsm@polyomino.org.uk>
parents: 5394
diff changeset
1006 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
1007 return Interval((sign, y, m, 0, 0, 0, 0),
6193
69b1aaf9c51f pep8 changes,
John Rouillard <rouilj@ieee.org>
parents: 5811
diff changeset
1008 translator=self.translator)
1487
37a1906f4454 fixed Interval maths [SF#665357]
Richard Jones <richard@users.sourceforge.net>
parents: 1463
diff changeset
1009
37a1906f4454 fixed Interval maths [SF#665357]
Richard Jones <richard@users.sourceforge.net>
parents: 1463
diff changeset
1010 else:
37a1906f4454 fixed Interval maths [SF#665357]
Richard Jones <richard@users.sourceforge.net>
parents: 1463
diff changeset
1011 # handle a day/time division
37a1906f4454 fixed Interval maths [SF#665357]
Richard Jones <richard@users.sourceforge.net>
parents: 1463
diff changeset
1012 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
1013 seconds *= self.sign
37a1906f4454 fixed Interval maths [SF#665357]
Richard Jones <richard@users.sourceforge.net>
parents: 1463
diff changeset
1014
37a1906f4454 fixed Interval maths [SF#665357]
Richard Jones <richard@users.sourceforge.net>
parents: 1463
diff changeset
1015 seconds = int(seconds/other)
37a1906f4454 fixed Interval maths [SF#665357]
Richard Jones <richard@users.sourceforge.net>
parents: 1463
diff changeset
1016
6193
69b1aaf9c51f pep8 changes,
John Rouillard <rouilj@ieee.org>
parents: 5811
diff changeset
1017 sign = seconds < 0 and -1 or 1
1487
37a1906f4454 fixed Interval maths [SF#665357]
Richard Jones <richard@users.sourceforge.net>
parents: 1463
diff changeset
1018 seconds *= sign
6193
69b1aaf9c51f pep8 changes,
John Rouillard <rouilj@ieee.org>
parents: 5811
diff changeset
1019 S = seconds % 60
5400
2120f77554d5 Python 3 preparation: use // and __truediv__ as needed.
Joseph Myers <jsm@polyomino.org.uk>
parents: 5394
diff changeset
1020 seconds //= 60
6193
69b1aaf9c51f pep8 changes,
John Rouillard <rouilj@ieee.org>
parents: 5811
diff changeset
1021 M = seconds % 60
5400
2120f77554d5 Python 3 preparation: use // and __truediv__ as needed.
Joseph Myers <jsm@polyomino.org.uk>
parents: 5394
diff changeset
1022 seconds //= 60
6193
69b1aaf9c51f pep8 changes,
John Rouillard <rouilj@ieee.org>
parents: 5811
diff changeset
1023 H = seconds % 24
5400
2120f77554d5 Python 3 preparation: use // and __truediv__ as needed.
Joseph Myers <jsm@polyomino.org.uk>
parents: 5394
diff changeset
1024 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
1025 return Interval((sign, 0, 0, d, H, M, S),
6193
69b1aaf9c51f pep8 changes,
John Rouillard <rouilj@ieee.org>
parents: 5811
diff changeset
1026 translator=self.translator)
5400
2120f77554d5 Python 3 preparation: use // and __truediv__ as needed.
Joseph Myers <jsm@polyomino.org.uk>
parents: 5394
diff changeset
1027 # Python 2 compatibility:
2120f77554d5 Python 3 preparation: use // and __truediv__ as needed.
Joseph Myers <jsm@polyomino.org.uk>
parents: 5394
diff changeset
1028 __div__ = __truediv__
1487
37a1906f4454 fixed Interval maths [SF#665357]
Richard Jones <richard@users.sourceforge.net>
parents: 1463
diff changeset
1029
25
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1030 def __repr__(self):
6193
69b1aaf9c51f pep8 changes,
John Rouillard <rouilj@ieee.org>
parents: 5811
diff changeset
1031 return '<Interval %s>' % self.__str__()
25
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1032
487
2f4c37d28108 I18N'ification
Richard Jones <richard@users.sourceforge.net>
parents: 406
diff changeset
1033 def pretty(self):
25
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1034 ''' print up the date date using one of these nice formats..
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1035 '''
5400
2120f77554d5 Python 3 preparation: use // and __truediv__ as needed.
Joseph Myers <jsm@polyomino.org.uk>
parents: 5394
diff changeset
1036 _quarters = self.minute // 15
720
5e0a75bfdd90 reverting to dates for intervals > 2 months sucks
Richard Jones <richard@users.sourceforge.net>
parents: 641
diff changeset
1037 if self.year:
2339
6ba57546d212 fix i18n - mainly plural forms in Interval.pretty()
Alexander Smishlajev <a1s@users.sourceforge.net>
parents: 2262
diff changeset
1038 s = self.ngettext("%(number)s year", "%(number)s years",
6193
69b1aaf9c51f pep8 changes,
John Rouillard <rouilj@ieee.org>
parents: 5811
diff changeset
1039 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
1040 elif self.month or self.day > 28:
2416
Richard Jones <richard@users.sourceforge.net>
parents: 2402
diff changeset
1041 _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
1042 s = self.ngettext("%(number)s month", "%(number)s months",
6193
69b1aaf9c51f pep8 changes,
John Rouillard <rouilj@ieee.org>
parents: 5811
diff changeset
1043 _months) % {'number': _months}
640
7dd13fd5d8ea fixed some problems in date calculations
Richard Jones <richard@users.sourceforge.net>
parents: 585
diff changeset
1044 elif self.day > 7:
2339
6ba57546d212 fix i18n - mainly plural forms in Interval.pretty()
Alexander Smishlajev <a1s@users.sourceforge.net>
parents: 2262
diff changeset
1045 _weeks = int(self.day / 7)
6ba57546d212 fix i18n - mainly plural forms in Interval.pretty()
Alexander Smishlajev <a1s@users.sourceforge.net>
parents: 2262
diff changeset
1046 s = self.ngettext("%(number)s week", "%(number)s weeks",
6193
69b1aaf9c51f pep8 changes,
John Rouillard <rouilj@ieee.org>
parents: 5811
diff changeset
1047 _weeks) % {'number': _weeks}
640
7dd13fd5d8ea fixed some problems in date calculations
Richard Jones <richard@users.sourceforge.net>
parents: 585
diff changeset
1048 elif self.day > 1:
2339
6ba57546d212 fix i18n - mainly plural forms in Interval.pretty()
Alexander Smishlajev <a1s@users.sourceforge.net>
parents: 2262
diff changeset
1049 # 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
1050 s = self.ngettext('%(number)s day', '%(number)s days',
6193
69b1aaf9c51f pep8 changes,
John Rouillard <rouilj@ieee.org>
parents: 5811
diff changeset
1051 self.day) % {'number': self.day}
640
7dd13fd5d8ea fixed some problems in date calculations
Richard Jones <richard@users.sourceforge.net>
parents: 585
diff changeset
1052 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
1053 if self.sign > 0:
2339
6ba57546d212 fix i18n - mainly plural forms in Interval.pretty()
Alexander Smishlajev <a1s@users.sourceforge.net>
parents: 2262
diff changeset
1054 return self._('tomorrow')
640
7dd13fd5d8ea fixed some problems in date calculations
Richard Jones <richard@users.sourceforge.net>
parents: 585
diff changeset
1055 else:
2339
6ba57546d212 fix i18n - mainly plural forms in Interval.pretty()
Alexander Smishlajev <a1s@users.sourceforge.net>
parents: 2262
diff changeset
1056 return self._('yesterday')
640
7dd13fd5d8ea fixed some problems in date calculations
Richard Jones <richard@users.sourceforge.net>
parents: 585
diff changeset
1057 elif self.hour > 1:
2339
6ba57546d212 fix i18n - mainly plural forms in Interval.pretty()
Alexander Smishlajev <a1s@users.sourceforge.net>
parents: 2262
diff changeset
1058 # 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
1059 s = self.ngettext('%(number)s hour', '%(number)s hours',
6193
69b1aaf9c51f pep8 changes,
John Rouillard <rouilj@ieee.org>
parents: 5811
diff changeset
1060 self.hour) % {'number': self.hour}
640
7dd13fd5d8ea fixed some problems in date calculations
Richard Jones <richard@users.sourceforge.net>
parents: 585
diff changeset
1061 elif self.hour == 1:
25
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1062 if self.minute < 15:
2339
6ba57546d212 fix i18n - mainly plural forms in Interval.pretty()
Alexander Smishlajev <a1s@users.sourceforge.net>
parents: 2262
diff changeset
1063 s = self._('an hour')
6ba57546d212 fix i18n - mainly plural forms in Interval.pretty()
Alexander Smishlajev <a1s@users.sourceforge.net>
parents: 2262
diff changeset
1064 elif _quarters == 2:
6ba57546d212 fix i18n - mainly plural forms in Interval.pretty()
Alexander Smishlajev <a1s@users.sourceforge.net>
parents: 2262
diff changeset
1065 s = self._('1 1/2 hours')
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 s = self.ngettext('1 %(number)s/4 hours',
6193
69b1aaf9c51f pep8 changes,
John Rouillard <rouilj@ieee.org>
parents: 5811
diff changeset
1068 '1 %(number)s/4 hours',
69b1aaf9c51f pep8 changes,
John Rouillard <rouilj@ieee.org>
parents: 5811
diff changeset
1069 _quarters) % {'number': _quarters}
640
7dd13fd5d8ea fixed some problems in date calculations
Richard Jones <richard@users.sourceforge.net>
parents: 585
diff changeset
1070 elif self.minute < 1:
7dd13fd5d8ea fixed some problems in date calculations
Richard Jones <richard@users.sourceforge.net>
parents: 585
diff changeset
1071 if self.sign > 0:
2339
6ba57546d212 fix i18n - mainly plural forms in Interval.pretty()
Alexander Smishlajev <a1s@users.sourceforge.net>
parents: 2262
diff changeset
1072 return self._('in a moment')
640
7dd13fd5d8ea fixed some problems in date calculations
Richard Jones <richard@users.sourceforge.net>
parents: 585
diff changeset
1073 else:
2339
6ba57546d212 fix i18n - mainly plural forms in Interval.pretty()
Alexander Smishlajev <a1s@users.sourceforge.net>
parents: 2262
diff changeset
1074 return self._('just now')
640
7dd13fd5d8ea fixed some problems in date calculations
Richard Jones <richard@users.sourceforge.net>
parents: 585
diff changeset
1075 elif self.minute == 1:
2339
6ba57546d212 fix i18n - mainly plural forms in Interval.pretty()
Alexander Smishlajev <a1s@users.sourceforge.net>
parents: 2262
diff changeset
1076 # 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
1077 s = self._('1 minute')
640
7dd13fd5d8ea fixed some problems in date calculations
Richard Jones <richard@users.sourceforge.net>
parents: 585
diff changeset
1078 elif self.minute < 15:
2339
6ba57546d212 fix i18n - mainly plural forms in Interval.pretty()
Alexander Smishlajev <a1s@users.sourceforge.net>
parents: 2262
diff changeset
1079 # 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
1080 s = self.ngettext('%(number)s minute', '%(number)s minutes',
6193
69b1aaf9c51f pep8 changes,
John Rouillard <rouilj@ieee.org>
parents: 5811
diff changeset
1081 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
1082 elif _quarters == 2:
6ba57546d212 fix i18n - mainly plural forms in Interval.pretty()
Alexander Smishlajev <a1s@users.sourceforge.net>
parents: 2262
diff changeset
1083 s = self._('1/2 an hour')
640
7dd13fd5d8ea fixed some problems in date calculations
Richard Jones <richard@users.sourceforge.net>
parents: 585
diff changeset
1084 else:
2416
Richard Jones <richard@users.sourceforge.net>
parents: 2402
diff changeset
1085 s = self.ngettext('%(number)s/4 hour', '%(number)s/4 hours',
6193
69b1aaf9c51f pep8 changes,
John Rouillard <rouilj@ieee.org>
parents: 5811
diff changeset
1086 _quarters) % {'number': _quarters}
2339
6ba57546d212 fix i18n - mainly plural forms in Interval.pretty()
Alexander Smishlajev <a1s@users.sourceforge.net>
parents: 2262
diff changeset
1087 # XXX this is internationally broken
6ba57546d212 fix i18n - mainly plural forms in Interval.pretty()
Alexander Smishlajev <a1s@users.sourceforge.net>
parents: 2262
diff changeset
1088 if self.sign < 0:
6ba57546d212 fix i18n - mainly plural forms in Interval.pretty()
Alexander Smishlajev <a1s@users.sourceforge.net>
parents: 2262
diff changeset
1089 s = self._('%s ago') % s
1413
4ae9d725bec4 make future intervals obvious too
Richard Jones <richard@users.sourceforge.net>
parents: 1412
diff changeset
1090 else:
2339
6ba57546d212 fix i18n - mainly plural forms in Interval.pretty()
Alexander Smishlajev <a1s@users.sourceforge.net>
parents: 2262
diff changeset
1091 s = self._('in %s') % s
640
7dd13fd5d8ea fixed some problems in date calculations
Richard Jones <richard@users.sourceforge.net>
parents: 585
diff changeset
1092 return s
25
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1093
47
34491d9b91a0 Storing only marshallable data in the db - no nasty pickled class references.
Richard Jones <richard@users.sourceforge.net>
parents: 26
diff changeset
1094 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
1095 return (self.sign, self.year, self.month, self.day, self.hour,
6193
69b1aaf9c51f pep8 changes,
John Rouillard <rouilj@ieee.org>
parents: 5811
diff changeset
1096 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
1097
832d1209aaa2 Preparing to turn back on link/unlink journal events.
Richard Jones <richard@users.sourceforge.net>
parents: 890
diff changeset
1098 def serialise(self):
1261
85d71588a1cf fixed bug in Interval serialisation
Richard Jones <richard@users.sourceforge.net>
parents: 1192
diff changeset
1099 sign = self.sign > 0 and '+' or '-'
6193
69b1aaf9c51f pep8 changes,
John Rouillard <rouilj@ieee.org>
parents: 5811
diff changeset
1100 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
1101 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
1102
5637
43970d92323e Add two isoformat() methods. One for Date and one for Interval.
John Rouillard <rouilj@ieee.org>
parents: 5438
diff changeset
1103 def isoformat(self):
43970d92323e Add two isoformat() methods. One for Date and one for Interval.
John Rouillard <rouilj@ieee.org>
parents: 5438
diff changeset
1104 '''Represent interval as an ISO 8061 duration (absolute value)
6193
69b1aaf9c51f pep8 changes,
John Rouillard <rouilj@ieee.org>
parents: 5811
diff changeset
1105
5637
43970d92323e Add two isoformat() methods. One for Date and one for Interval.
John Rouillard <rouilj@ieee.org>
parents: 5438
diff changeset
1106 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
1107 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
1108 '''
6193
69b1aaf9c51f pep8 changes,
John Rouillard <rouilj@ieee.org>
parents: 5811
diff changeset
1109 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
1110 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
1111
2212
75e46660345c stop Interval from displaying an empty string [SF#934022]
Richard Jones <richard@users.sourceforge.net>
parents: 2189
diff changeset
1112 def as_seconds(self):
75e46660345c stop Interval from displaying an empty string [SF#934022]
Richard Jones <richard@users.sourceforge.net>
parents: 2189
diff changeset
1113 '''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
1114
2212
75e46660345c stop Interval from displaying an empty string [SF#934022]
Richard Jones <richard@users.sourceforge.net>
parents: 2189
diff changeset
1115 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
1116 int.
75e46660345c stop Interval from displaying an empty string [SF#934022]
Richard Jones <richard@users.sourceforge.net>
parents: 2189
diff changeset
1117 '''
5380
64c4e43fbb84 Python 3 preparation: numeric literal syntax.
Joseph Myers <jsm@polyomino.org.uk>
parents: 5378
diff changeset
1118 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
1119 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
1120 n = n + self.day
75e46660345c stop Interval from displaying an empty string [SF#934022]
Richard Jones <richard@users.sourceforge.net>
parents: 2189
diff changeset
1121 n = n * 24
75e46660345c stop Interval from displaying an empty string [SF#934022]
Richard Jones <richard@users.sourceforge.net>
parents: 2189
diff changeset
1122 n = n + self.hour
75e46660345c stop Interval from displaying an empty string [SF#934022]
Richard Jones <richard@users.sourceforge.net>
parents: 2189
diff changeset
1123 n = n * 60
75e46660345c stop Interval from displaying an empty string [SF#934022]
Richard Jones <richard@users.sourceforge.net>
parents: 2189
diff changeset
1124 n = n + self.minute
75e46660345c stop Interval from displaying an empty string [SF#934022]
Richard Jones <richard@users.sourceforge.net>
parents: 2189
diff changeset
1125 n = n * 60
75e46660345c stop Interval from displaying an empty string [SF#934022]
Richard Jones <richard@users.sourceforge.net>
parents: 2189
diff changeset
1126 n = n + self.second
75e46660345c stop Interval from displaying an empty string [SF#934022]
Richard Jones <richard@users.sourceforge.net>
parents: 2189
diff changeset
1127 return n * self.sign
75e46660345c stop Interval from displaying an empty string [SF#934022]
Richard Jones <richard@users.sourceforge.net>
parents: 2189
diff changeset
1128
75e46660345c stop Interval from displaying an empty string [SF#934022]
Richard Jones <richard@users.sourceforge.net>
parents: 2189
diff changeset
1129 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
1130 '''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
1131 value.
75e46660345c stop Interval from displaying an empty string [SF#934022]
Richard Jones <richard@users.sourceforge.net>
parents: 2189
diff changeset
1132 '''
2981
ad04cb95e2b0 fix Interval.from_seconds() with float argument
Alexander Smishlajev <a1s@users.sourceforge.net>
parents: 2729
diff changeset
1133 val = int(val)
2212
75e46660345c stop Interval from displaying an empty string [SF#934022]
Richard Jones <richard@users.sourceforge.net>
parents: 2189
diff changeset
1134 if val < 0:
75e46660345c stop Interval from displaying an empty string [SF#934022]
Richard Jones <richard@users.sourceforge.net>
parents: 2189
diff changeset
1135 self.sign = -1
75e46660345c stop Interval from displaying an empty string [SF#934022]
Richard Jones <richard@users.sourceforge.net>
parents: 2189
diff changeset
1136 val = -val
75e46660345c stop Interval from displaying an empty string [SF#934022]
Richard Jones <richard@users.sourceforge.net>
parents: 2189
diff changeset
1137 else:
75e46660345c stop Interval from displaying an empty string [SF#934022]
Richard Jones <richard@users.sourceforge.net>
parents: 2189
diff changeset
1138 self.sign = 1
75e46660345c stop Interval from displaying an empty string [SF#934022]
Richard Jones <richard@users.sourceforge.net>
parents: 2189
diff changeset
1139 self.second = val % 60
5400
2120f77554d5 Python 3 preparation: use // and __truediv__ as needed.
Joseph Myers <jsm@polyomino.org.uk>
parents: 5394
diff changeset
1140 val = val // 60
2212
75e46660345c stop Interval from displaying an empty string [SF#934022]
Richard Jones <richard@users.sourceforge.net>
parents: 2189
diff changeset
1141 self.minute = val % 60
5400
2120f77554d5 Python 3 preparation: use // and __truediv__ as needed.
Joseph Myers <jsm@polyomino.org.uk>
parents: 5394
diff changeset
1142 val = val // 60
2212
75e46660345c stop Interval from displaying an empty string [SF#934022]
Richard Jones <richard@users.sourceforge.net>
parents: 2189
diff changeset
1143 self.hour = val % 24
5400
2120f77554d5 Python 3 preparation: use // and __truediv__ as needed.
Joseph Myers <jsm@polyomino.org.uk>
parents: 5394
diff changeset
1144 val = val // 24
2212
75e46660345c stop Interval from displaying an empty string [SF#934022]
Richard Jones <richard@users.sourceforge.net>
parents: 2189
diff changeset
1145 self.day = val
75e46660345c stop Interval from displaying an empty string [SF#934022]
Richard Jones <richard@users.sourceforge.net>
parents: 2189
diff changeset
1146 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
1147
2388
8a9af227a557 Date and Interval objects allow to change translator after instance creation...
Alexander Smishlajev <a1s@users.sourceforge.net>
parents: 2359
diff changeset
1148 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
1149 """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
1150
8a9af227a557 Date and Interval objects allow to change translator after instance creation...
Alexander Smishlajev <a1s@users.sourceforge.net>
parents: 2359
diff changeset
1151 'translator'
8a9af227a557 Date and Interval objects allow to change translator after instance creation...
Alexander Smishlajev <a1s@users.sourceforge.net>
parents: 2359
diff changeset
1152 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
1153 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
1154 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
1155 """
8a9af227a557 Date and Interval objects allow to change translator after instance creation...
Alexander Smishlajev <a1s@users.sourceforge.net>
parents: 2359
diff changeset
1156 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
1157 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
1158 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
1159
2212
75e46660345c stop Interval from displaying an empty string [SF#934022]
Richard Jones <richard@users.sourceforge.net>
parents: 2189
diff changeset
1160
1487
37a1906f4454 fixed Interval maths [SF#665357]
Richard Jones <richard@users.sourceforge.net>
parents: 1463
diff changeset
1161 def fixTimeOverflow(time):
1930
71056b09f2bf Add tests for Interval.pretty().
Johannes Gijsbers <jlgijsbers@users.sourceforge.net>
parents: 1894
diff changeset
1162 """ 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
1163 (sign, y,m,d,H,M,S)
37a1906f4454 fixed Interval maths [SF#665357]
Richard Jones <richard@users.sourceforge.net>
parents: 1463
diff changeset
1164
37a1906f4454 fixed Interval maths [SF#665357]
Richard Jones <richard@users.sourceforge.net>
parents: 1463
diff changeset
1165 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
1166 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
1167 to, generally.
1930
71056b09f2bf Add tests for Interval.pretty().
Johannes Gijsbers <jlgijsbers@users.sourceforge.net>
parents: 1894
diff changeset
1168 """
1487
37a1906f4454 fixed Interval maths [SF#665357]
Richard Jones <richard@users.sourceforge.net>
parents: 1463
diff changeset
1169 # 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
1170 # 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
1171 # XXX overflow...
37a1906f4454 fixed Interval maths [SF#665357]
Richard Jones <richard@users.sourceforge.net>
parents: 1463
diff changeset
1172
37a1906f4454 fixed Interval maths [SF#665357]
Richard Jones <richard@users.sourceforge.net>
parents: 1463
diff changeset
1173 sign, y, m, d, H, M, S = time
37a1906f4454 fixed Interval maths [SF#665357]
Richard Jones <richard@users.sourceforge.net>
parents: 1463
diff changeset
1174 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
1175 if seconds:
6193
69b1aaf9c51f pep8 changes,
John Rouillard <rouilj@ieee.org>
parents: 5811
diff changeset
1176 sign = seconds < 0 and -1 or 1
1487
37a1906f4454 fixed Interval maths [SF#665357]
Richard Jones <richard@users.sourceforge.net>
parents: 1463
diff changeset
1177 seconds *= sign
6193
69b1aaf9c51f pep8 changes,
John Rouillard <rouilj@ieee.org>
parents: 5811
diff changeset
1178 S = seconds % 60
5400
2120f77554d5 Python 3 preparation: use // and __truediv__ as needed.
Joseph Myers <jsm@polyomino.org.uk>
parents: 5394
diff changeset
1179 seconds //= 60
6193
69b1aaf9c51f pep8 changes,
John Rouillard <rouilj@ieee.org>
parents: 5811
diff changeset
1180 M = seconds % 60
5400
2120f77554d5 Python 3 preparation: use // and __truediv__ as needed.
Joseph Myers <jsm@polyomino.org.uk>
parents: 5394
diff changeset
1181 seconds //= 60
6193
69b1aaf9c51f pep8 changes,
John Rouillard <rouilj@ieee.org>
parents: 5811
diff changeset
1182 H = seconds % 24
5400
2120f77554d5 Python 3 preparation: use // and __truediv__ as needed.
Joseph Myers <jsm@polyomino.org.uk>
parents: 5394
diff changeset
1183 d = seconds // 24
1487
37a1906f4454 fixed Interval maths [SF#665357]
Richard Jones <richard@users.sourceforge.net>
parents: 1463
diff changeset
1184 else:
37a1906f4454 fixed Interval maths [SF#665357]
Richard Jones <richard@users.sourceforge.net>
parents: 1463
diff changeset
1185 months = y*12 + m
6193
69b1aaf9c51f pep8 changes,
John Rouillard <rouilj@ieee.org>
parents: 5811
diff changeset
1186 sign = months < 0 and -1 or 1
1487
37a1906f4454 fixed Interval maths [SF#665357]
Richard Jones <richard@users.sourceforge.net>
parents: 1463
diff changeset
1187 months *= sign
6193
69b1aaf9c51f pep8 changes,
John Rouillard <rouilj@ieee.org>
parents: 5811
diff changeset
1188 m = months % 12
5400
2120f77554d5 Python 3 preparation: use // and __truediv__ as needed.
Joseph Myers <jsm@polyomino.org.uk>
parents: 5394
diff changeset
1189 y = months//12
1487
37a1906f4454 fixed Interval maths [SF#665357]
Richard Jones <richard@users.sourceforge.net>
parents: 1463
diff changeset
1190
37a1906f4454 fixed Interval maths [SF#665357]
Richard Jones <richard@users.sourceforge.net>
parents: 1463
diff changeset
1191 return (sign, y, m, d, H, M, S)
37a1906f4454 fixed Interval maths [SF#665357]
Richard Jones <richard@users.sourceforge.net>
parents: 1463
diff changeset
1192
6193
69b1aaf9c51f pep8 changes,
John Rouillard <rouilj@ieee.org>
parents: 5811
diff changeset
1193
1499
8ee69708da0c added support for searching on ranges of dates
Andrey Lebedev <kedder@users.sourceforge.net>
parents: 1494
diff changeset
1194 class Range:
2005
fc52d57c6c3e documentation cleanup
Richard Jones <richard@users.sourceforge.net>
parents: 1946
diff changeset
1195 """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
1196 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
1197
2005
fc52d57c6c3e documentation cleanup
Richard Jones <richard@users.sourceforge.net>
parents: 1946
diff changeset
1198 1. Native english syntax::
fc52d57c6c3e documentation cleanup
Richard Jones <richard@users.sourceforge.net>
parents: 1946
diff changeset
1199
1499
8ee69708da0c added support for searching on ranges of dates
Andrey Lebedev <kedder@users.sourceforge.net>
parents: 1494
diff changeset
1200 [[From] <value>][ To <value>]
2005
fc52d57c6c3e documentation cleanup
Richard Jones <richard@users.sourceforge.net>
parents: 1946
diff changeset
1201
fc52d57c6c3e documentation cleanup
Richard Jones <richard@users.sourceforge.net>
parents: 1946
diff changeset
1202 Keywords "From" and "To" are case insensitive. Keyword "From" is
fc52d57c6c3e documentation cleanup
Richard Jones <richard@users.sourceforge.net>
parents: 1946
diff changeset
1203 optional.
1499
8ee69708da0c added support for searching on ranges of dates
Andrey Lebedev <kedder@users.sourceforge.net>
parents: 1494
diff changeset
1204
2005
fc52d57c6c3e documentation cleanup
Richard Jones <richard@users.sourceforge.net>
parents: 1946
diff changeset
1205 2. "Geek" syntax::
fc52d57c6c3e documentation cleanup
Richard Jones <richard@users.sourceforge.net>
parents: 1946
diff changeset
1206
fc52d57c6c3e documentation cleanup
Richard Jones <richard@users.sourceforge.net>
parents: 1946
diff changeset
1207 [<value>][; <value>]
1499
8ee69708da0c added support for searching on ranges of dates
Andrey Lebedev <kedder@users.sourceforge.net>
parents: 1494
diff changeset
1208
8ee69708da0c added support for searching on ranges of dates
Andrey Lebedev <kedder@users.sourceforge.net>
parents: 1494
diff changeset
1209 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
1210
2005
fc52d57c6c3e documentation cleanup
Richard Jones <richard@users.sourceforge.net>
parents: 1946
diff changeset
1211 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
1212
4985
07c59221f363 Make doctests run in date module
Ralf Schlatterbeck <rsc@runtux.com>
parents: 4856
diff changeset
1213 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
1214 >>> 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
1215
07c59221f363 Make doctests run in date module
Ralf Schlatterbeck <rsc@runtux.com>
parents: 4856
diff changeset
1216 >>> 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
1217 <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
1218
4985
07c59221f363 Make doctests run in date module
Ralf Schlatterbeck <rsc@runtux.com>
parents: 4856
diff changeset
1219 >>> 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
1220 <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
1221
4985
07c59221f363 Make doctests run in date module
Ralf Schlatterbeck <rsc@runtux.com>
parents: 4856
diff changeset
1222 >>> Range("tO +3d", Date)
07c59221f363 Make doctests run in date module
Ralf Schlatterbeck <rsc@runtux.com>
parents: 4856
diff changeset
1223 <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
1224
07c59221f363 Make doctests run in date module
Ralf Schlatterbeck <rsc@runtux.com>
parents: 4856
diff changeset
1225 >>> 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
1226 <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
1227
4985
07c59221f363 Make doctests run in date module
Ralf Schlatterbeck <rsc@runtux.com>
parents: 4856
diff changeset
1228 >>> Range("12:00;", Date)
07c59221f363 Make doctests run in date module
Ralf Schlatterbeck <rsc@runtux.com>
parents: 4856
diff changeset
1229 <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
1230
4985
07c59221f363 Make doctests run in date module
Ralf Schlatterbeck <rsc@runtux.com>
parents: 4856
diff changeset
1231 >>> 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
1232 <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
1233
4985
07c59221f363 Make doctests run in date module
Ralf Schlatterbeck <rsc@runtux.com>
parents: 4856
diff changeset
1234 >>> 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
1235 <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
1236
4991
03505579abef Fix bug in (Date- or Interval-) Range parsing
Ralf Schlatterbeck <rsc@runtux.com>
parents: 4986
diff changeset
1237 >>> Range("from 2003-02-16", Date)
03505579abef Fix bug in (Date- or Interval-) Range parsing
Ralf Schlatterbeck <rsc@runtux.com>
parents: 4986
diff changeset
1238 <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
1239
03505579abef Fix bug in (Date- or Interval-) Range parsing
Ralf Schlatterbeck <rsc@runtux.com>
parents: 4986
diff changeset
1240 >>> Range("2003-02-16;", Date)
03505579abef Fix bug in (Date- or Interval-) Range parsing
Ralf Schlatterbeck <rsc@runtux.com>
parents: 4986
diff changeset
1241 <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
1242
4985
07c59221f363 Make doctests run in date module
Ralf Schlatterbeck <rsc@runtux.com>
parents: 4856
diff changeset
1243 Granularity tests:
07c59221f363 Make doctests run in date module
Ralf Schlatterbeck <rsc@runtux.com>
parents: 4856
diff changeset
1244
07c59221f363 Make doctests run in date module
Ralf Schlatterbeck <rsc@runtux.com>
parents: 4856
diff changeset
1245 >>> Range("12:00", Date)
07c59221f363 Make doctests run in date module
Ralf Schlatterbeck <rsc@runtux.com>
parents: 4856
diff changeset
1246 <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
1247
07c59221f363 Make doctests run in date module
Ralf Schlatterbeck <rsc@runtux.com>
parents: 4856
diff changeset
1248 >>> Range("2003-03-08", Date)
07c59221f363 Make doctests run in date module
Ralf Schlatterbeck <rsc@runtux.com>
parents: 4856
diff changeset
1249 <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
1250
07c59221f363 Make doctests run in date module
Ralf Schlatterbeck <rsc@runtux.com>
parents: 4856
diff changeset
1251 >>> test_fin(u)
07c59221f363 Make doctests run in date module
Ralf Schlatterbeck <rsc@runtux.com>
parents: 4856
diff changeset
1252
4991
03505579abef Fix bug in (Date- or Interval-) Range parsing
Ralf Schlatterbeck <rsc@runtux.com>
parents: 4986
diff changeset
1253 Range of Interval tests
03505579abef Fix bug in (Date- or Interval-) Range parsing
Ralf Schlatterbeck <rsc@runtux.com>
parents: 4986
diff changeset
1254
03505579abef Fix bug in (Date- or Interval-) Range parsing
Ralf Schlatterbeck <rsc@runtux.com>
parents: 4986
diff changeset
1255 >>> 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
1256 <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
1257 >>> 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
1258 <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
1259 >>> Range ("from 5:50", Interval)
03505579abef Fix bug in (Date- or Interval-) Range parsing
Ralf Schlatterbeck <rsc@runtux.com>
parents: 4986
diff changeset
1260 <Range from + 5:50 to None>
03505579abef Fix bug in (Date- or Interval-) Range parsing
Ralf Schlatterbeck <rsc@runtux.com>
parents: 4986
diff changeset
1261 >>> Range ("to 0:05", Interval)
03505579abef Fix bug in (Date- or Interval-) Range parsing
Ralf Schlatterbeck <rsc@runtux.com>
parents: 4986
diff changeset
1262 <Range from None to + 0:05>
03505579abef Fix bug in (Date- or Interval-) Range parsing
Ralf Schlatterbeck <rsc@runtux.com>
parents: 4986
diff changeset
1263
1499
8ee69708da0c added support for searching on ranges of dates
Andrey Lebedev <kedder@users.sourceforge.net>
parents: 1494
diff changeset
1264 """
3954
3d5a0a949107 Fix granularity stuff so it handles wrapping a lot better.
Richard Jones <richard@users.sourceforge.net>
parents: 3953
diff changeset
1265 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
1266 """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
1267
1499
8ee69708da0c added support for searching on ranges of dates
Andrey Lebedev <kedder@users.sourceforge.net>
parents: 1494
diff changeset
1268 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
1269 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
1270 +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
1271
1d4ebe2a88fc hope this will make Range class a little bit clearer
Andrey Lebedev <kedder@users.sourceforge.net>
parents: 1505
diff changeset
1272 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
1273 class instance.
1499
8ee69708da0c added support for searching on ranges of dates
Andrey Lebedev <kedder@users.sourceforge.net>
parents: 1494
diff changeset
1274 """
1509
1d4ebe2a88fc hope this will make Range class a little bit clearer
Andrey Lebedev <kedder@users.sourceforge.net>
parents: 1505
diff changeset
1275 self.range_type = Type
4985
07c59221f363 Make doctests run in date module
Ralf Schlatterbeck <rsc@runtux.com>
parents: 4856
diff changeset
1276 re_range = r'^(?:from)?(.+?)?to(.+?)?$'
4991
03505579abef Fix bug in (Date- or Interval-) Range parsing
Ralf Schlatterbeck <rsc@runtux.com>
parents: 4986
diff changeset
1277 re_range_no_to = r'^from(.+)(.)?$'
4985
07c59221f363 Make doctests run in date module
Ralf Schlatterbeck <rsc@runtux.com>
parents: 4856
diff changeset
1278 re_geek_range = r'^(.+?)?;(.+?)?$'
1499
8ee69708da0c added support for searching on ranges of dates
Andrey Lebedev <kedder@users.sourceforge.net>
parents: 1494
diff changeset
1279 # 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
1280 if ';' in spec:
3d5a0a949107 Fix granularity stuff so it handles wrapping a lot better.
Richard Jones <richard@users.sourceforge.net>
parents: 3953
diff changeset
1281 # Geek
3d5a0a949107 Fix granularity stuff so it handles wrapping a lot better.
Richard Jones <richard@users.sourceforge.net>
parents: 3953
diff changeset
1282 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
1283 else:
3954
3d5a0a949107 Fix granularity stuff so it handles wrapping a lot better.
Richard Jones <richard@users.sourceforge.net>
parents: 3953
diff changeset
1284 # Native english
3d5a0a949107 Fix granularity stuff so it handles wrapping a lot better.
Richard Jones <richard@users.sourceforge.net>
parents: 3953
diff changeset
1285 m = re.search(re_range, spec.strip(), re.IGNORECASE)
6193
69b1aaf9c51f pep8 changes,
John Rouillard <rouilj@ieee.org>
parents: 5811
diff changeset
1286 if not m:
4991
03505579abef Fix bug in (Date- or Interval-) Range parsing
Ralf Schlatterbeck <rsc@runtux.com>
parents: 4986
diff changeset
1287 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
1288 if m:
3d5a0a949107 Fix granularity stuff so it handles wrapping a lot better.
Richard Jones <richard@users.sourceforge.net>
parents: 3953
diff changeset
1289 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
1290 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
1291 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
1292 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
1293 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
1294 else:
1597
4d55f90d4af1 granularity based ranges
Andrey Lebedev <kedder@users.sourceforge.net>
parents: 1542
diff changeset
1295 if allow_granularity:
4d55f90d4af1 granularity based ranges
Andrey Lebedev <kedder@users.sourceforge.net>
parents: 1542
diff changeset
1296 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
1297 self.to_value = Type(spec, add_granularity=True, **params)
1597
4d55f90d4af1 granularity based ranges
Andrey Lebedev <kedder@users.sourceforge.net>
parents: 1542
diff changeset
1298 else:
5378
35ea9b1efc14 Python 3 preparation: "raise" syntax.
Joseph Myers <jsm@polyomino.org.uk>
parents: 5377
diff changeset
1299 raise ValueError("Invalid range")
1499
8ee69708da0c added support for searching on ranges of dates
Andrey Lebedev <kedder@users.sourceforge.net>
parents: 1494
diff changeset
1300
8ee69708da0c added support for searching on ranges of dates
Andrey Lebedev <kedder@users.sourceforge.net>
parents: 1494
diff changeset
1301 def __str__(self):
8ee69708da0c added support for searching on ranges of dates
Andrey Lebedev <kedder@users.sourceforge.net>
parents: 1494
diff changeset
1302 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
1303
8ee69708da0c added support for searching on ranges of dates
Andrey Lebedev <kedder@users.sourceforge.net>
parents: 1494
diff changeset
1304 def __repr__(self):
8ee69708da0c added support for searching on ranges of dates
Andrey Lebedev <kedder@users.sourceforge.net>
parents: 1494
diff changeset
1305 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
1306
6193
69b1aaf9c51f pep8 changes,
John Rouillard <rouilj@ieee.org>
parents: 5811
diff changeset
1307
1499
8ee69708da0c added support for searching on ranges of dates
Andrey Lebedev <kedder@users.sourceforge.net>
parents: 1494
diff changeset
1308 def test_range():
1597
4d55f90d4af1 granularity based ranges
Andrey Lebedev <kedder@users.sourceforge.net>
parents: 1542
diff changeset
1309 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
1310 "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
1311 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
1312 for rspec in rspecs:
5376
64b05e24dbd8 Python 3 preparation: convert print to a function.
Joseph Myers <jsm@polyomino.org.uk>
parents: 4991
diff changeset
1313 print('>>> Range("%s")' % rspec)
5377
12fe83f90f0d Python 3 preparation: use repr() instead of ``.
Joseph Myers <jsm@polyomino.org.uk>
parents: 5376
diff changeset
1314 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
1315 print()
1597
4d55f90d4af1 granularity based ranges
Andrey Lebedev <kedder@users.sourceforge.net>
parents: 1542
diff changeset
1316 for rspec in rispecs:
5376
64b05e24dbd8 Python 3 preparation: convert print to a function.
Joseph Myers <jsm@polyomino.org.uk>
parents: 4991
diff changeset
1317 print('>>> Range("%s")' % rspec)
5377
12fe83f90f0d Python 3 preparation: use repr() instead of ``.
Joseph Myers <jsm@polyomino.org.uk>
parents: 5376
diff changeset
1318 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
1319 print()
25
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1320
6193
69b1aaf9c51f pep8 changes,
John Rouillard <rouilj@ieee.org>
parents: 5811
diff changeset
1321
25
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1322 def test():
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1323 intervals = (" 3w 1 d 2:00", " + 2d", "3w")
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1324 for interval in intervals:
6193
69b1aaf9c51f pep8 changes,
John Rouillard <rouilj@ieee.org>
parents: 5811
diff changeset
1325 print('>>> Interval("%s")' % interval)
5377
12fe83f90f0d Python 3 preparation: use repr() instead of ``.
Joseph Myers <jsm@polyomino.org.uk>
parents: 5376
diff changeset
1326 print(repr(Interval(interval)))
25
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1327
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1328 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
1329 "08-13.22:13", "14:25", '2002-12')
25
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1330 for date in dates:
6193
69b1aaf9c51f pep8 changes,
John Rouillard <rouilj@ieee.org>
parents: 5811
diff changeset
1331 print('>>> Date("%s")' % date)
5377
12fe83f90f0d Python 3 preparation: use repr() instead of ``.
Joseph Myers <jsm@polyomino.org.uk>
parents: 5376
diff changeset
1332 print(repr(Date(date)))
25
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1333
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1334 sums = ((". + 2d", "3w"), (".", " 3w 1 d 2:00"))
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1335 for date, interval in sums:
6193
69b1aaf9c51f pep8 changes,
John Rouillard <rouilj@ieee.org>
parents: 5811
diff changeset
1336 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
1337 print(repr(Date(date) + Interval(interval)))
25
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1338
6193
69b1aaf9c51f pep8 changes,
John Rouillard <rouilj@ieee.org>
parents: 5811
diff changeset
1339
25
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1340 if __name__ == '__main__':
1597
4d55f90d4af1 granularity based ranges
Andrey Lebedev <kedder@users.sourceforge.net>
parents: 1542
diff changeset
1341 test()
25
4cf1daf2f2eb More Grande Splite
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
1342
3210
ea29d69f7415 fix error message formatting in Date.__init__;
Alexander Smishlajev <a1s@users.sourceforge.net>
parents: 3151
diff changeset
1343 # vim: set filetype=python sts=4 sw=4 et si :
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