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annotate date.py @ 5:72a0ba086b3e

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Added CVS keywords $Id$ and $Log$ to all python files.
author Anthony Baxter <anthonybaxter@users.sourceforge.net>
date Thu, 19 Jul 2001 05:52:22 +0000
parents 5e92642cd1f8
children 3b0a72f54613
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5
72a0ba086b3e Added CVS keywords $Id$ and $Log$ to all python files.
Anthony Baxter <anthonybaxter@users.sourceforge.net>
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1 # $Id: date.py,v 1.2 2001-07-19 05:52:22 anthonybaxter Exp $
72a0ba086b3e Added CVS keywords $Id$ and $Log$ to all python files.
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2
0
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3 import time, re, calendar
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4
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5 class Date:
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6 '''
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7 As strings, date-and-time stamps are specified with the date in
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8 international standard format (yyyy-mm-dd) joined to the time
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9 (hh:mm:ss) by a period ("."). Dates in this form can be easily compared
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10 and are fairly readable when printed. An example of a valid stamp is
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11 "2000-06-24.13:03:59". We'll call this the "full date format". When
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12 Timestamp objects are printed as strings, they appear in the full date
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13 format with the time always given in GMT. The full date format is
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14 always exactly 19 characters long.
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15
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16 For user input, some partial forms are also permitted: the whole time
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17 or just the seconds may be omitted; and the whole date may be omitted
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18 or just the year may be omitted. If the time is given, the time is
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19 interpreted in the user's local time zone. The Date constructor takes
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20 care of these conversions. In the following examples, suppose that yyyy
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21 is the current year, mm is the current month, and dd is the current day
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22 of the month; and suppose that the user is on Eastern Standard Time.
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23
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24 "2000-04-17" means <Date 2000-04-17.00:00:00>
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25 "01-25" means <Date yyyy-01-25.00:00:00>
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26 "2000-04-17.03:45" means <Date 2000-04-17.08:45:00>
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27 "08-13.22:13" means <Date yyyy-08-14.03:13:00>
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28 "11-07.09:32:43" means <Date yyyy-11-07.14:32:43>
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29 "14:25" means <Date yyyy-mm-dd.19:25:00>
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30 "8:47:11" means <Date yyyy-mm-dd.13:47:11>
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31 "." means "right now"
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32
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33 The Date class should understand simple date expressions of the form
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34 stamp + interval and stamp - interval. When adding or subtracting
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35 intervals involving months or years, the components are handled
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36 separately. For example, when evaluating "2000-06-25 + 1m 10d", we
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37 first add one month to get 2000-07-25, then add 10 days to get
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38 2000-08-04 (rather than trying to decide whether 1m 10d means 38 or 40
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39 or 41 days).
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40
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41 Example usage:
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42 >>> Date(".")
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43 <Date 2000-06-26.00:34:02>
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44 >>> _.local(-5)
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45 "2000-06-25.19:34:02"
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46 >>> Date(". + 2d")
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47 <Date 2000-06-28.00:34:02>
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48 >>> Date("1997-04-17", -5)
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49 <Date 1997-04-17.00:00:00>
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50 >>> Date("01-25", -5)
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51 <Date 2000-01-25.00:00:00>
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52 >>> Date("08-13.22:13", -5)
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53 <Date 2000-08-14.03:13:00>
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54 >>> Date("14:25", -5)
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55 <Date 2000-06-25.19:25:00>
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56 '''
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57 isDate = 1
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58
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59 def __init__(self, spec='.', offset=0, set=None):
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60 """Construct a date given a specification and a time zone offset.
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61
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62 'spec' is a full date or a partial form, with an optional
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63 added or subtracted interval.
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64 'offset' is the local time zone offset from GMT in hours.
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65 """
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66 if set is None:
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67 self.set(spec, offset=offset)
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68 else:
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69 self.year, self.month, self.day, self.hour, self.minute, \
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70 self.second, x, x, x = set
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71 self.offset = offset
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72
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73 def applyInterval(self, interval):
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74 ''' Apply the interval to this date
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75 '''
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76 t = (self.year + interval.year,
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77 self.month + interval.month,
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78 self.day + interval.day,
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79 self.hour + interval.hour,
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80 self.minute + interval.minute,
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81 self.second + interval.second, 0, 0, 0)
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82 self.year, self.month, self.day, self.hour, self.minute, \
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83 self.second, x, x, x = time.gmtime(calendar.timegm(t))
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84
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85 def __add__(self, other):
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86 """Add an interval to this date to produce another date."""
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87 t = (self.year + other.sign * other.year,
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88 self.month + other.sign * other.month,
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89 self.day + other.sign * other.day,
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90 self.hour + other.sign * other.hour,
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91 self.minute + other.sign * other.minute,
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92 self.second + other.sign * other.second, 0, 0, 0)
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93 return Date(set = time.gmtime(calendar.timegm(t)))
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94
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95 # XXX deviates from spec to allow subtraction of dates as well
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96 def __sub__(self, other):
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97 """ Subtract:
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98 1. an interval from this date to produce another date.
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99 2. a date from this date to produce an interval.
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100 """
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101 if other.isDate:
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102 # TODO this code will fall over laughing if the dates cross
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103 # leap years, phases of the moon, ....
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104 a = calendar.timegm((self.year, self.month, self.day, self.hour,
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105 self.minute, self.second, 0, 0, 0))
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106 b = calendar.timegm((other.year, other.month, other.day, other.hour,
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107 other.minute, other.second, 0, 0, 0))
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108 diff = a - b
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109 if diff < 0:
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110 sign = -1
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111 diff = -diff
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112 else:
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113 sign = 1
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114 S = diff%60
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115 M = (diff/60)%60
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116 H = (diff/(60*60))%60
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117 if H>1: S = 0
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118 d = (diff/(24*60*60))%30
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119 if d>1: H = S = M = 0
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120 m = (diff/(30*24*60*60))%12
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121 if m>1: H = S = M = 0
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122 y = (diff/(365*24*60*60))
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123 if y>1: d = H = S = M = 0
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124 return Interval((y, m, d, H, M, S), sign=sign)
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125 t = (self.year - other.sign * other.year,
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126 self.month - other.sign * other.month,
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127 self.day - other.sign * other.day,
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128 self.hour - other.sign * other.hour,
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129 self.minute - other.sign * other.minute,
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130 self.second - other.sign * other.second, 0, 0, 0)
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131 return Date(set = time.gmtime(calendar.timegm(t)))
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132
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133 def __cmp__(self, other):
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134 """Compare this date to another date."""
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135 for attr in ('year', 'month', 'day', 'hour', 'minute', 'second'):
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136 r = cmp(getattr(self, attr), getattr(other, attr))
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137 if r: return r
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138 return 0
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139
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140 def __str__(self):
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141 """Return this date as a string in the yyyy-mm-dd.hh:mm:ss format."""
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142 return time.strftime('%Y-%m-%d.%T', (self.year, self.month,
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143 self.day, self.hour, self.minute, self.second, 0, 0, 0))
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144
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145 def pretty(self):
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146 ''' print up the date date using a pretty format...
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147 '''
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148 return time.strftime('%e %B %Y', (self.year, self.month,
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149 self.day, self.hour, self.minute, self.second, 0, 0, 0))
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150
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151 def set(self, spec, offset=0, date_re=re.compile(r'''
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152 (((?P<y>\d\d\d\d)-)?((?P<m>\d\d)-(?P<d>\d\d))?)? # yyyy-mm-dd
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diff changeset
153 (?P<n>\.)? # .
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154 (((?P<H>\d?\d):(?P<M>\d\d))?(:(?P<S>\d\d))?)? # hh:mm:ss
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parents:
diff changeset
155 (?P<o>.+)? # offset
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parents:
diff changeset
156 ''', re.VERBOSE)):
5e92642cd1f8 Initial import of code
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
157 ''' set the date to the value in spec
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Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
158 '''
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Richard Jones <richard@users.sourceforge.net>
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diff changeset
159 m = date_re.match(spec)
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Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
160 if not m:
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Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
161 raise ValueError, 'Not a date spec: [[yyyy-]mm-dd].[[h]h:mm[:ss]] [offset]'
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parents:
diff changeset
162 info = m.groupdict()
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Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
163
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Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
164 # get the current date/time using the offset
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Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
165 y,m,d,H,M,S,x,x,x = time.gmtime(time.time())
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Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
166 ts = calendar.timegm((y,m,d,H+offset,M,S,0,0,0))
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parents:
diff changeset
167 self.year, self.month, self.day, self.hour, self.minute, \
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Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
168 self.second, x, x, x = time.gmtime(ts)
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Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
169
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Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
170 if info['m'] is not None and info['d'] is not None:
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Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
171 self.month = int(info['m'])
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Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
172 self.day = int(info['d'])
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Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
173 if info['y'] is not None:
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Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
174 self.year = int(info['y'])
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Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
175 self.hour = self.minute = self.second = 0
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Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
176
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Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
177 if info['H'] is not None and info['M'] is not None:
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Richard Jones <richard@users.sourceforge.net>
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diff changeset
178 self.hour = int(info['H'])
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Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
179 self.minute = int(info['M'])
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Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
180 if info['S'] is not None:
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Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
181 self.second = int(info['S'])
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Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
182
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Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
183 if info['o']:
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Richard Jones <richard@users.sourceforge.net>
parents:
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184 self.applyInterval(Interval(info['o']))
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Richard Jones <richard@users.sourceforge.net>
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diff changeset
185
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Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
186 def __repr__(self):
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Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
187 return '<Date %s>'%self.__str__()
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Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
188
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Richard Jones <richard@users.sourceforge.net>
parents:
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189 def local(self, offset):
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Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
190 """Return this date as yyyy-mm-dd.hh:mm:ss in a local time zone."""
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Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
191 t = (self.year, self.month, self.day, self.hour + offset, self.minute,
5e92642cd1f8 Initial import of code
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
192 self.second, 0, 0, 0)
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Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
193 self.year, self.month, self.day, self.hour, self.minute, \
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Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
194 self.second, x, x, x = time.gmtime(calendar.timegm(t))
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Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
195
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Richard Jones <richard@users.sourceforge.net>
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196
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197 class Interval:
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Richard Jones <richard@users.sourceforge.net>
parents:
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198 '''
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Richard Jones <richard@users.sourceforge.net>
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199 Date intervals are specified using the suffixes "y", "m", and "d". The
5e92642cd1f8 Initial import of code
Richard Jones <richard@users.sourceforge.net>
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200 suffix "w" (for "week") means 7 days. Time intervals are specified in
5e92642cd1f8 Initial import of code
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
201 hh:mm:ss format (the seconds may be omitted, but the hours and minutes
5e92642cd1f8 Initial import of code
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
202 may not).
5e92642cd1f8 Initial import of code
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
203
5e92642cd1f8 Initial import of code
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
204 "3y" means three years
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Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
205 "2y 1m" means two years and one month
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Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
206 "1m 25d" means one month and 25 days
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Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
207 "2w 3d" means two weeks and three days
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Richard Jones <richard@users.sourceforge.net>
parents:
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208 "1d 2:50" means one day, two hours, and 50 minutes
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Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
209 "14:00" means 14 hours
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Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
210 "0:04:33" means four minutes and 33 seconds
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Richard Jones <richard@users.sourceforge.net>
parents:
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211
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Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
212 Example usage:
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Richard Jones <richard@users.sourceforge.net>
parents:
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213 >>> Interval(" 3w 1 d 2:00")
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Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
214 <Interval 22d 2:00>
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Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
215 >>> Date(". + 2d") - Interval("3w")
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Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
216 <Date 2000-06-07.00:34:02>
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Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
217 '''
5e92642cd1f8 Initial import of code
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
218 isInterval = 1
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Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
219
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Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
220 def __init__(self, spec, sign=1):
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Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
221 """Construct an interval given a specification."""
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Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
222 if type(spec) == type(''):
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Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
223 self.set(spec)
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Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
224 else:
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Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
225 self.sign = sign
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Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
226 self.year, self.month, self.day, self.hour, self.minute, \
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Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
227 self.second = spec
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Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
228
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Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
229 def __cmp__(self, other):
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Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
230 """Compare this interval to another interval."""
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Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
231 for attr in ('year', 'month', 'day', 'hour', 'minute', 'second'):
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Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
232 r = cmp(getattr(self, attr), getattr(other, attr))
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Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
233 if r: return r
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Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
234 return 0
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Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
235
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Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
236 def __str__(self):
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Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
237 """Return this interval as a string."""
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Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
238 sign = {1:'+', -1:'-'}[self.sign]
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Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
239 l = [sign]
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Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
240 if self.year: l.append('%sy'%self.year)
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Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
241 if self.month: l.append('%sm'%self.month)
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Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
242 if self.day: l.append('%sd'%self.day)
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Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
243 if self.second:
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Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
244 l.append('%d:%02d:%02d'%(self.hour, self.minute, self.second))
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Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
245 elif self.hour or self.minute:
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Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
246 l.append('%d:%02d'%(self.hour, self.minute))
5e92642cd1f8 Initial import of code
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
247 return ' '.join(l)
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Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
248
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Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
249 def set(self, spec, interval_re = re.compile('''
5e92642cd1f8 Initial import of code
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
250 \s*
5e92642cd1f8 Initial import of code
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
251 (?P<s>[-+])? # + or -
5e92642cd1f8 Initial import of code
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
252 \s*
5e92642cd1f8 Initial import of code
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
253 ((?P<y>\d+\s*)y)? # year
5e92642cd1f8 Initial import of code
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
254 \s*
5e92642cd1f8 Initial import of code
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
255 ((?P<m>\d+\s*)m)? # month
5e92642cd1f8 Initial import of code
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
256 \s*
5e92642cd1f8 Initial import of code
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
257 ((?P<w>\d+\s*)w)? # week
5e92642cd1f8 Initial import of code
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
258 \s*
5e92642cd1f8 Initial import of code
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
259 ((?P<d>\d+\s*)d)? # day
5e92642cd1f8 Initial import of code
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
260 \s*
5e92642cd1f8 Initial import of code
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
261 (((?P<H>\d?\d):(?P<M>\d\d))?(:(?P<S>\d\d))?)? # time
5e92642cd1f8 Initial import of code
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
262 \s*
5e92642cd1f8 Initial import of code
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
263 ''', re.VERBOSE)):
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Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
264 ''' set the date to the value in spec
5e92642cd1f8 Initial import of code
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
265 '''
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Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
266 self.year = self.month = self.week = self.day = self.hour = \
5e92642cd1f8 Initial import of code
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
267 self.minute = self.second = 0
5e92642cd1f8 Initial import of code
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
268 self.sign = 1
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Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
269 m = interval_re.match(spec)
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Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
270 if not m:
5e92642cd1f8 Initial import of code
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
271 raise ValueError, 'Not an interval spec: [+-] [#y] [#m] [#w] [#d] [[[H]H:MM]:SS]'
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Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
272
5e92642cd1f8 Initial import of code
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
273 info = m.groupdict()
5e92642cd1f8 Initial import of code
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
274 for group, attr in {'y':'year', 'm':'month', 'w':'week', 'd':'day',
5e92642cd1f8 Initial import of code
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
275 'H':'hour', 'M':'minute', 'S':'second'}.items():
5e92642cd1f8 Initial import of code
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
276 if info[group] is not None:
5e92642cd1f8 Initial import of code
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
277 setattr(self, attr, int(info[group]))
5e92642cd1f8 Initial import of code
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
278
5e92642cd1f8 Initial import of code
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
279 if self.week:
5e92642cd1f8 Initial import of code
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
280 self.day = self.day + self.week*7
5e92642cd1f8 Initial import of code
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
281
5e92642cd1f8 Initial import of code
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
282 if info['s'] is not None:
5e92642cd1f8 Initial import of code
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
283 self.sign = {'+':1, '-':-1}[info['s']]
5e92642cd1f8 Initial import of code
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
284
5e92642cd1f8 Initial import of code
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
285 def __repr__(self):
5e92642cd1f8 Initial import of code
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
286 return '<Interval %s>'%self.__str__()
5e92642cd1f8 Initial import of code
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
287
5e92642cd1f8 Initial import of code
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
288 def pretty(self, threshold=('d', 5)):
5e92642cd1f8 Initial import of code
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
289 ''' print up the date date using one of these nice formats..
5e92642cd1f8 Initial import of code
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
290 < 1 minute
5e92642cd1f8 Initial import of code
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
291 < 15 minutes
5e92642cd1f8 Initial import of code
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
292 < 30 minutes
5e92642cd1f8 Initial import of code
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
293 < 1 hour
5e92642cd1f8 Initial import of code
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
294 < 12 hours
5e92642cd1f8 Initial import of code
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
295 < 1 day
5e92642cd1f8 Initial import of code
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
296 otherwise, return None (so a full date may be displayed)
5e92642cd1f8 Initial import of code
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
297 '''
5e92642cd1f8 Initial import of code
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
298 if self.year or self.month or self.day > 5:
5e92642cd1f8 Initial import of code
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
299 return None
5e92642cd1f8 Initial import of code
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
300 if self.day > 1:
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Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
301 return '%s days'%self.day
5e92642cd1f8 Initial import of code
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
302 if self.day == 1 or self.hour > 12:
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Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
303 return 'yesterday'
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Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
304 if self.hour > 1:
5e92642cd1f8 Initial import of code
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
305 return '%s hours'%self.hour
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Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
306 if self.hour == 1:
5e92642cd1f8 Initial import of code
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
307 if self.minute < 15:
5e92642cd1f8 Initial import of code
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
308 return 'an hour'
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Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
309 quart = self.minute/15
5e92642cd1f8 Initial import of code
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
310 if quart == 2:
5e92642cd1f8 Initial import of code
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
311 return '1 1/2 hours'
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Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
312 return '1 %s/4 hours'%quart
5e92642cd1f8 Initial import of code
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
313 if self.minute < 1:
5e92642cd1f8 Initial import of code
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
314 return 'just now'
5e92642cd1f8 Initial import of code
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
315 if self.minute == 1:
5e92642cd1f8 Initial import of code
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
316 return '1 minute'
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Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
317 if self.minute < 15:
5e92642cd1f8 Initial import of code
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
318 return '%s minutes'%self.minute
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Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
319 quart = self.minute/15
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Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
320 if quart == 2:
5e92642cd1f8 Initial import of code
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
321 return '1/2 an hour'
5e92642cd1f8 Initial import of code
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
322 return '%s/4 hour'%quart
5e92642cd1f8 Initial import of code
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
323
5e92642cd1f8 Initial import of code
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
324
5e92642cd1f8 Initial import of code
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
325 def test():
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Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
326 intervals = (" 3w 1 d 2:00", " + 2d", "3w")
5e92642cd1f8 Initial import of code
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
327 for interval in intervals:
5e92642cd1f8 Initial import of code
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
328 print '>>> Interval("%s")'%interval
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Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
329 print `Interval(interval)`
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Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
330
5e92642cd1f8 Initial import of code
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
331 dates = (".", "2000-06-25.19:34:02", ". + 2d", "1997-04-17", "01-25",
5e92642cd1f8 Initial import of code
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
332 "08-13.22:13", "14:25")
5e92642cd1f8 Initial import of code
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
333 for date in dates:
5e92642cd1f8 Initial import of code
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
334 print '>>> Date("%s")'%date
5e92642cd1f8 Initial import of code
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
335 print `Date(date)`
5e92642cd1f8 Initial import of code
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
336
5e92642cd1f8 Initial import of code
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
337 sums = ((". + 2d", "3w"), (".", " 3w 1 d 2:00"))
5e92642cd1f8 Initial import of code
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
338 for date, interval in sums:
5e92642cd1f8 Initial import of code
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
339 print '>>> Date("%s") + Interval("%s")'%(date, interval)
5e92642cd1f8 Initial import of code
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
340 print `Date(date) + Interval(interval)`
5e92642cd1f8 Initial import of code
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
341
5e92642cd1f8 Initial import of code
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
342 if __name__ == '__main__':
5e92642cd1f8 Initial import of code
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
343 test()
5e92642cd1f8 Initial import of code
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
344
5
72a0ba086b3e Added CVS keywords $Id$ and $Log$ to all python files.
Anthony Baxter <anthonybaxter@users.sourceforge.net>
parents: 0
diff changeset
345 #
72a0ba086b3e Added CVS keywords $Id$ and $Log$ to all python files.
Anthony Baxter <anthonybaxter@users.sourceforge.net>
parents: 0
diff changeset
346 # $Log: not supported by cvs2svn $
72a0ba086b3e Added CVS keywords $Id$ and $Log$ to all python files.
Anthony Baxter <anthonybaxter@users.sourceforge.net>
parents: 0
diff changeset
347 #
72a0ba086b3e Added CVS keywords $Id$ and $Log$ to all python files.
Anthony Baxter <anthonybaxter@users.sourceforge.net>
parents: 0
diff changeset
348
Roundup Issue Tracker: http://roundup-tracker.org/