root / snf-astakos-app / astakos / im / templatetags / filters.py @ ed2f0452
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1 | ebd369d0 | Sofia Papagiannaki | # Copyright 2011-2012 GRNET S.A. All rights reserved.
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2 | ebd369d0 | Sofia Papagiannaki | #
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3 | ebd369d0 | Sofia Papagiannaki | # Redistribution and use in source and binary forms, with or
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4 | ebd369d0 | Sofia Papagiannaki | # without modification, are permitted provided that the following
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5 | ebd369d0 | Sofia Papagiannaki | # conditions are met:
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6 | ebd369d0 | Sofia Papagiannaki | #
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7 | ebd369d0 | Sofia Papagiannaki | # 1. Redistributions of source code must retain the above
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8 | ebd369d0 | Sofia Papagiannaki | # copyright notice, this list of conditions and the following
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9 | ebd369d0 | Sofia Papagiannaki | # disclaimer.
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10 | ebd369d0 | Sofia Papagiannaki | #
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11 | ebd369d0 | Sofia Papagiannaki | # 2. Redistributions in binary form must reproduce the above
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12 | ebd369d0 | Sofia Papagiannaki | # copyright notice, this list of conditions and the following
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13 | ebd369d0 | Sofia Papagiannaki | # disclaimer in the documentation and/or other materials
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14 | ebd369d0 | Sofia Papagiannaki | # provided with the distribution.
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15 | ebd369d0 | Sofia Papagiannaki | #
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16 | ebd369d0 | Sofia Papagiannaki | # THIS SOFTWARE IS PROVIDED BY GRNET S.A. ``AS IS'' AND ANY EXPRESS
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17 | ebd369d0 | Sofia Papagiannaki | # OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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18 | ebd369d0 | Sofia Papagiannaki | # WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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19 | ebd369d0 | Sofia Papagiannaki | # PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL GRNET S.A OR
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20 | ebd369d0 | Sofia Papagiannaki | # CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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21 | ebd369d0 | Sofia Papagiannaki | # SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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22 | ebd369d0 | Sofia Papagiannaki | # LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
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23 | ebd369d0 | Sofia Papagiannaki | # USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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24 | ebd369d0 | Sofia Papagiannaki | # AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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25 | ebd369d0 | Sofia Papagiannaki | # LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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26 | ebd369d0 | Sofia Papagiannaki | # ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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27 | ebd369d0 | Sofia Papagiannaki | # POSSIBILITY OF SUCH DAMAGE.
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28 | ebd369d0 | Sofia Papagiannaki | #
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29 | ebd369d0 | Sofia Papagiannaki | # The views and conclusions contained in the software and
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30 | ebd369d0 | Sofia Papagiannaki | # documentation are those of the authors and should not be
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31 | ebd369d0 | Sofia Papagiannaki | # interpreted as representing official policies, either expressed
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32 | ebd369d0 | Sofia Papagiannaki | # or implied, of GRNET S.A.
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33 | ebd369d0 | Sofia Papagiannaki | |
34 | 5056da3d | Olga Brani | import calendar |
35 | 5056da3d | Olga Brani | import datetime |
36 | ebd369d0 | Sofia Papagiannaki | |
37 | dfdc64d2 | Sofia Papagiannaki | from collections import defaultdict |
38 | dfdc64d2 | Sofia Papagiannaki | |
39 | d220292f | Sofia Papagiannaki | from django import template |
40 | 25b51727 | Sofia Papagiannaki | from django.core.paginator import Paginator, EmptyPage |
41 | 2c4b2a96 | Sofia Papagiannaki | from django.db.models.query import QuerySet |
42 | d220292f | Sofia Papagiannaki | |
43 | d220292f | Sofia Papagiannaki | from astakos.im.settings import PAGINATE_BY |
44 | d220292f | Sofia Papagiannaki | |
45 | ebd369d0 | Sofia Papagiannaki | register = template.Library() |
46 | ebd369d0 | Sofia Papagiannaki | |
47 | 661c4479 | Sofia Papagiannaki | DELIM = ','
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48 | 661c4479 | Sofia Papagiannaki | |
49 | 9a06d96f | Olga Brani | |
50 | 5056da3d | Olga Brani | @register.filter
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51 | 5056da3d | Olga Brani | def monthssince(joined_date): |
52 | 5056da3d | Olga Brani | now = datetime.datetime.now() |
53 | 9a06d96f | Olga Brani | date = datetime.datetime( |
54 | 9a06d96f | Olga Brani | year=joined_date.year, month=joined_date.month, day=1)
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55 | 5056da3d | Olga Brani | months = [] |
56 | 9a06d96f | Olga Brani | |
57 | 5056da3d | Olga Brani | month = date.month |
58 | 5056da3d | Olga Brani | year = date.year |
59 | 9a06d96f | Olga Brani | timestamp = calendar.timegm(date.utctimetuple()) |
60 | 9a06d96f | Olga Brani | |
61 | 5056da3d | Olga Brani | while date < now:
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62 | 5056da3d | Olga Brani | months.append((year, month, timestamp)) |
63 | 9a06d96f | Olga Brani | |
64 | 5056da3d | Olga Brani | if date.month < 12: |
65 | 5056da3d | Olga Brani | month = date.month + 1
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66 | 5056da3d | Olga Brani | year = date.year |
67 | 5056da3d | Olga Brani | else:
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68 | 5056da3d | Olga Brani | month = 1
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69 | 5056da3d | Olga Brani | year = date.year + 1
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70 | 9a06d96f | Olga Brani | |
71 | 5056da3d | Olga Brani | date = datetime.datetime(year=year, month=month, day=1)
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72 | 9a06d96f | Olga Brani | timestamp = calendar.timegm(date.utctimetuple()) |
73 | 9a06d96f | Olga Brani | |
74 | 5056da3d | Olga Brani | return months
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75 | 9a06d96f | Olga Brani | |
76 | 9a06d96f | Olga Brani | |
77 | ebd369d0 | Sofia Papagiannaki | @register.filter
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78 | ebd369d0 | Sofia Papagiannaki | def lookup(d, key): |
79 | d68590fd | Sofia Papagiannaki | return d.get(key)
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80 | d68590fd | Sofia Papagiannaki | |
81 | 5ce3ce4f | Sofia Papagiannaki | |
82 | d68590fd | Sofia Papagiannaki | @register.filter
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83 | d68590fd | Sofia Papagiannaki | def dkeys(d): |
84 | b27c104d | Olga Brani | return d.keys()
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85 | b27c104d | Olga Brani | |
86 | 5ce3ce4f | Sofia Papagiannaki | |
87 | b27c104d | Olga Brani | @register.filter
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88 | 5056da3d | Olga Brani | def month_name(month_number): |
89 | 5056da3d | Olga Brani | return calendar.month_name[month_number]
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90 | 9a06d96f | Olga Brani | |
91 | 5056da3d | Olga Brani | |
92 | 5056da3d | Olga Brani | @register.filter
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93 | 9a06d96f | Olga Brani | def todate(value, arg=''): |
94 | 5056da3d | Olga Brani | secs = int(value) / 1000 |
95 | 789bcaf9 | Sofia Papagiannaki | return datetime.datetime.fromtimestamp(secs)
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96 | 789bcaf9 | Sofia Papagiannaki | |
97 | 789bcaf9 | Sofia Papagiannaki | |
98 | 789bcaf9 | Sofia Papagiannaki | @register.filter
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99 | 9a06d96f | Olga Brani | def rcut(value, chars='/'): |
100 | 661c4479 | Sofia Papagiannaki | return value.rstrip(chars)
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101 | 661c4479 | Sofia Papagiannaki | |
102 | 9a06d96f | Olga Brani | |
103 | 661c4479 | Sofia Papagiannaki | @register.filter
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104 | 661c4479 | Sofia Papagiannaki | def paginate(l, args): |
105 | 661c4479 | Sofia Papagiannaki | page, delim, sorting = args.partition(DELIM) |
106 | 661c4479 | Sofia Papagiannaki | if sorting:
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107 | 2c4b2a96 | Sofia Papagiannaki | if isinstance(l, QuerySet): |
108 | 2c4b2a96 | Sofia Papagiannaki | l = l.order_by(sorting) |
109 | 2c4b2a96 | Sofia Papagiannaki | elif isinstance(l, list): |
110 | 77aaed51 | Sofia Papagiannaki | default = ''
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111 | 77aaed51 | Sofia Papagiannaki | if sorting.endswith('_date'): |
112 | 77aaed51 | Sofia Papagiannaki | default = datetime.datetime.utcfromtimestamp(0)
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113 | 9a06d96f | Olga Brani | l.sort(key=lambda i: getattr(i, sorting) |
114 | 9a06d96f | Olga Brani | if getattr(i, sorting) else default) |
115 | 9a06d96f | Olga Brani | |
116 | 661c4479 | Sofia Papagiannaki | paginator = Paginator(l, PAGINATE_BY) |
117 | 9a06d96f | Olga Brani | |
118 | 661c4479 | Sofia Papagiannaki | try:
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119 | 661c4479 | Sofia Papagiannaki | page_number = int(page)
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120 | 661c4479 | Sofia Papagiannaki | except ValueError: |
121 | 661c4479 | Sofia Papagiannaki | if page == 'last': |
122 | 661c4479 | Sofia Papagiannaki | page_number = paginator.num_pages |
123 | 661c4479 | Sofia Papagiannaki | else:
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124 | 661c4479 | Sofia Papagiannaki | page_number = 1
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125 | 25b51727 | Sofia Papagiannaki | try:
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126 | 25b51727 | Sofia Papagiannaki | page = paginator.page(page_number) |
127 | 25b51727 | Sofia Papagiannaki | except EmptyPage:
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128 | 25b51727 | Sofia Papagiannaki | page = paginator.page(1)
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129 | 661c4479 | Sofia Papagiannaki | return page
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130 | 661c4479 | Sofia Papagiannaki | |
131 | 9a06d96f | Olga Brani | |
132 | 661c4479 | Sofia Papagiannaki | @register.filter
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133 | 661c4479 | Sofia Papagiannaki | def concat(str1, str2): |
134 | 661c4479 | Sofia Papagiannaki | if not str2: |
135 | 661c4479 | Sofia Papagiannaki | return str(str1) |
136 | dfdc64d2 | Sofia Papagiannaki | return '%s%s%s' % (str1, DELIM, str2) |
137 | dfdc64d2 | Sofia Papagiannaki | |
138 | 9a06d96f | Olga Brani | |
139 | dfdc64d2 | Sofia Papagiannaki | @register.filter
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140 | dfdc64d2 | Sofia Papagiannaki | def items(d): |
141 | dfdc64d2 | Sofia Papagiannaki | if isinstance(d, defaultdict): |
142 | dfdc64d2 | Sofia Papagiannaki | return d.iteritems()
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143 | 9a06d96f | Olga Brani | return d
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144 | ed2f0452 | Olga Brani | |
145 | ed2f0452 | Olga Brani | |
146 | ed2f0452 | Olga Brani | @register.filter
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147 | ed2f0452 | Olga Brani | def get_value_after_dot(value): |
148 | ed2f0452 | Olga Brani | return value.split(".")[1] |