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annotate roundup/date.py @ 6354:b61de764c8cc

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Remove left over python style config remnant, doc update. Replace three with two as there are only two items in the list. Remove setting that was used in the code for python style init files. Support for python style init files removed a while ago and were deprecated in 0.8 timeframe IIRC.
author John Rouillard <rouilj@ieee.org>
date Mon, 29 Mar 2021 00:23:33 -0400
parents 69b1aaf9c51f
children d76291836523
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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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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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diff changeset
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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diff changeset
387
26f29449c494 fixed detection of bad date specs [SF#691439]
Richard Jones <richard@users.sourceforge.net>
parents: 1509
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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