root / snf-astakos-app / astakos / im / templatetags / filters.py @ 27e51b28
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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 | 5841646f | Olga Brani | import math |
37 | ebd369d0 | Sofia Papagiannaki | |
38 | dfdc64d2 | Sofia Papagiannaki | from collections import defaultdict |
39 | dfdc64d2 | Sofia Papagiannaki | |
40 | d220292f | Sofia Papagiannaki | from django import template |
41 | 25b51727 | Sofia Papagiannaki | from django.core.paginator import Paginator, EmptyPage |
42 | 2c4b2a96 | Sofia Papagiannaki | from django.db.models.query import QuerySet |
43 | d220292f | Sofia Papagiannaki | |
44 | 0156e40c | Kostas Papadimitriou | from synnefo.lib.ordereddict import OrderedDict |
45 | 5841646f | Olga Brani | |
46 | 26551b92 | Kostas Papadimitriou | from astakos.im import settings |
47 | 26551b92 | Kostas Papadimitriou | from astakos.im.models import ProjectResourceGrant |
48 | 5841646f | Olga Brani | |
49 | ebd369d0 | Sofia Papagiannaki | register = template.Library() |
50 | ebd369d0 | Sofia Papagiannaki | |
51 | 661c4479 | Sofia Papagiannaki | DELIM = ','
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52 | 661c4479 | Sofia Papagiannaki | |
53 | 8fb8d0cf | Giorgos Korfiatis | |
54 | 5056da3d | Olga Brani | @register.filter
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55 | 5056da3d | Olga Brani | def monthssince(joined_date): |
56 | 5056da3d | Olga Brani | now = datetime.datetime.now() |
57 | 9a06d96f | Olga Brani | date = datetime.datetime( |
58 | 9a06d96f | Olga Brani | year=joined_date.year, month=joined_date.month, day=1)
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59 | 5056da3d | Olga Brani | months = [] |
60 | 9a06d96f | Olga Brani | |
61 | 5056da3d | Olga Brani | month = date.month |
62 | 5056da3d | Olga Brani | year = date.year |
63 | 9a06d96f | Olga Brani | timestamp = calendar.timegm(date.utctimetuple()) |
64 | 9a06d96f | Olga Brani | |
65 | 5056da3d | Olga Brani | while date < now:
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66 | 5056da3d | Olga Brani | months.append((year, month, timestamp)) |
67 | 9a06d96f | Olga Brani | |
68 | 5056da3d | Olga Brani | if date.month < 12: |
69 | 5056da3d | Olga Brani | month = date.month + 1
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70 | 5056da3d | Olga Brani | year = date.year |
71 | 5056da3d | Olga Brani | else:
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72 | 5056da3d | Olga Brani | month = 1
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73 | 5056da3d | Olga Brani | year = date.year + 1
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74 | 9a06d96f | Olga Brani | |
75 | 5056da3d | Olga Brani | date = datetime.datetime(year=year, month=month, day=1)
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76 | 9a06d96f | Olga Brani | timestamp = calendar.timegm(date.utctimetuple()) |
77 | 9a06d96f | Olga Brani | |
78 | 5056da3d | Olga Brani | return months
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79 | 9a06d96f | Olga Brani | |
80 | 8fb8d0cf | Giorgos Korfiatis | |
81 | e8fd06f6 | Sofia Papagiannaki | @register.filter
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82 | e8fd06f6 | Sofia Papagiannaki | def to_unicode(s): |
83 | e8fd06f6 | Sofia Papagiannaki | return unicode(s) |
84 | e8fd06f6 | Sofia Papagiannaki | |
85 | 8fb8d0cf | Giorgos Korfiatis | |
86 | e8fd06f6 | Sofia Papagiannaki | @register.filter
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87 | e8fd06f6 | Sofia Papagiannaki | def to_string(s): |
88 | e8fd06f6 | Sofia Papagiannaki | return str(s) |
89 | 9a06d96f | Olga Brani | |
90 | 8fb8d0cf | Giorgos Korfiatis | |
91 | ebd369d0 | Sofia Papagiannaki | @register.filter
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92 | ebd369d0 | Sofia Papagiannaki | def lookup(d, key): |
93 | 6556e514 | Sofia Papagiannaki | try:
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94 | 251b83be | Giorgos Korfiatis | return d.get(key)
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95 | 6556e514 | Sofia Papagiannaki | except:
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96 | 6556e514 | Sofia Papagiannaki | return
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97 | d68590fd | Sofia Papagiannaki | |
98 | 8fb8d0cf | Giorgos Korfiatis | |
99 | bdc1c103 | Olga Brani | @register.filter
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100 | bdc1c103 | Olga Brani | def lookup_uni(d, key): |
101 | bdc1c103 | Olga Brani | return d.get(unicode(key)) |
102 | bdc1c103 | Olga Brani | |
103 | 5ce3ce4f | Sofia Papagiannaki | |
104 | d68590fd | Sofia Papagiannaki | @register.filter
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105 | d68590fd | Sofia Papagiannaki | def dkeys(d): |
106 | b27c104d | Olga Brani | return d.keys()
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107 | b27c104d | Olga Brani | |
108 | 5ce3ce4f | Sofia Papagiannaki | |
109 | b27c104d | Olga Brani | @register.filter
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110 | 5056da3d | Olga Brani | def month_name(month_number): |
111 | 5056da3d | Olga Brani | return calendar.month_name[month_number]
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112 | 9a06d96f | Olga Brani | |
113 | 5056da3d | Olga Brani | |
114 | 5056da3d | Olga Brani | @register.filter
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115 | 9a06d96f | Olga Brani | def todate(value, arg=''): |
116 | 5056da3d | Olga Brani | secs = int(value) / 1000 |
117 | 789bcaf9 | Sofia Papagiannaki | return datetime.datetime.fromtimestamp(secs)
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118 | 789bcaf9 | Sofia Papagiannaki | |
119 | 789bcaf9 | Sofia Papagiannaki | |
120 | caf70869 | Sofia Papagiannaki | # @register.filter
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121 | caf70869 | Sofia Papagiannaki | # def rcut(value, chars='/'):
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122 | caf70869 | Sofia Papagiannaki | # return value.rstrip(chars)
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123 | 661c4479 | Sofia Papagiannaki | |
124 | 9a06d96f | Olga Brani | |
125 | f2a4ce70 | Sofia Papagiannaki | @register.filter
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126 | f2a4ce70 | Sofia Papagiannaki | def paginate(l, args): |
127 | c0b26605 | Sofia Papagiannaki | l = l or []
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128 | c0b26605 | Sofia Papagiannaki | page, delim, sorting = args.partition(DELIM) |
129 | c0b26605 | Sofia Papagiannaki | if sorting:
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130 | c0b26605 | Sofia Papagiannaki | if isinstance(l, QuerySet): |
131 | c0b26605 | Sofia Papagiannaki | l = l.order_by(sorting) |
132 | c0b26605 | Sofia Papagiannaki | elif isinstance(l, list): |
133 | c0b26605 | Sofia Papagiannaki | default = ''
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134 | c0b26605 | Sofia Papagiannaki | if sorting.endswith('_date'): |
135 | c0b26605 | Sofia Papagiannaki | default = datetime.datetime.utcfromtimestamp(0)
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136 | c0b26605 | Sofia Papagiannaki | l.sort(key=lambda i: getattr(i, sorting) |
137 | c0b26605 | Sofia Papagiannaki | if getattr(i, sorting) else default) |
138 | 8998f09a | Sofia Papagiannaki | paginator = Paginator(l, settings.PAGINATE_BY) |
139 | c0b26605 | Sofia Papagiannaki | try:
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140 | c0b26605 | Sofia Papagiannaki | paginator.len |
141 | c0b26605 | Sofia Papagiannaki | except AttributeError: |
142 | c0b26605 | Sofia Papagiannaki | paginator._count = len(list(l)) |
143 | 6795eb09 | Kostas Papadimitriou | |
144 | c0b26605 | Sofia Papagiannaki | try:
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145 | c0b26605 | Sofia Papagiannaki | page_number = int(page)
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146 | c0b26605 | Sofia Papagiannaki | except ValueError: |
147 | c0b26605 | Sofia Papagiannaki | if page == 'last': |
148 | c0b26605 | Sofia Papagiannaki | page_number = paginator.num_pages |
149 | c0b26605 | Sofia Papagiannaki | else:
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150 | c0b26605 | Sofia Papagiannaki | page_number = 1
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151 | c0b26605 | Sofia Papagiannaki | try:
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152 | c0b26605 | Sofia Papagiannaki | page = paginator.page(page_number) |
153 | c0b26605 | Sofia Papagiannaki | except EmptyPage:
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154 | c0b26605 | Sofia Papagiannaki | page = paginator.page(1)
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155 | c0b26605 | Sofia Papagiannaki | return page
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156 | 661c4479 | Sofia Papagiannaki | |
157 | 9a06d96f | Olga Brani | |
158 | 661c4479 | Sofia Papagiannaki | @register.filter
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159 | 661c4479 | Sofia Papagiannaki | def concat(str1, str2): |
160 | 661c4479 | Sofia Papagiannaki | if not str2: |
161 | 661c4479 | Sofia Papagiannaki | return str(str1) |
162 | dfdc64d2 | Sofia Papagiannaki | return '%s%s%s' % (str1, DELIM, str2) |
163 | dfdc64d2 | Sofia Papagiannaki | |
164 | 9a06d96f | Olga Brani | |
165 | dfdc64d2 | Sofia Papagiannaki | @register.filter
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166 | dfdc64d2 | Sofia Papagiannaki | def items(d): |
167 | dfdc64d2 | Sofia Papagiannaki | if isinstance(d, defaultdict): |
168 | dfdc64d2 | Sofia Papagiannaki | return d.iteritems()
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169 | 9a06d96f | Olga Brani | return d
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170 | ed2f0452 | Olga Brani | |
171 | ed2f0452 | Olga Brani | |
172 | ed2f0452 | Olga Brani | @register.filter
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173 | ed2f0452 | Olga Brani | def get_value_after_dot(value): |
174 | 7c76af95 | Olga Brani | return value.split(".")[1] |
175 | 7c76af95 | Olga Brani | |
176 | 84d26d62 | Sofia Papagiannaki | # @register.filter
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177 | 84d26d62 | Sofia Papagiannaki | # def strip_http(value):
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178 | 84d26d62 | Sofia Papagiannaki | # return value.replace('http://','')[:-1]
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179 | dcd1c383 | Olga Brani | |
180 | dcd1c383 | Olga Brani | |
181 | 5841646f | Olga Brani | @register.filter
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182 | 6795eb09 | Kostas Papadimitriou | def truncatename(v, max=18, append="..."): |
183 | 59728d4e | Olga Brani | length = len(v)
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184 | 8fb8d0cf | Giorgos Korfiatis | if length > max: |
185 | 6795eb09 | Kostas Papadimitriou | return v[:max] + append |
186 | 59728d4e | Olga Brani | else:
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187 | 6795eb09 | Kostas Papadimitriou | return v
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188 | 8327782d | Sofia Papagiannaki | |
189 | 8fb8d0cf | Giorgos Korfiatis | |
190 | 8327782d | Sofia Papagiannaki | @register.filter
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191 | 8327782d | Sofia Papagiannaki | def resource_groups(project_definition): |
192 | 8327782d | Sofia Papagiannaki | try:
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193 | 8327782d | Sofia Papagiannaki | grants = project_definition.projectresourcegrant_set |
194 | 8327782d | Sofia Papagiannaki | return grants.values_list('resource__group', flat=True) |
195 | 8327782d | Sofia Papagiannaki | except:
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196 | 8327782d | Sofia Papagiannaki | return ()
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197 | 8327782d | Sofia Papagiannaki | |
198 | 8fb8d0cf | Giorgos Korfiatis | |
199 | 8327782d | Sofia Papagiannaki | @register.filter
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200 | 8327782d | Sofia Papagiannaki | def resource_grants(project_definition): |
201 | 8327782d | Sofia Papagiannaki | try:
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202 | 8327782d | Sofia Papagiannaki | grants = project_definition.projectresourcegrant_set |
203 | 8327782d | Sofia Papagiannaki | grants = grants.values_list( |
204 | 8327782d | Sofia Papagiannaki | 'resource__name',
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205 | 73fbaec4 | Sofia Papagiannaki | 'member_capacity'
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206 | 8327782d | Sofia Papagiannaki | ) |
207 | 26551b92 | Kostas Papadimitriou | return dict((e[0], e[1]) for e in grants) |
208 | 8327782d | Sofia Papagiannaki | except:
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209 | 172ce682 | Sofia Papagiannaki | return {} |