author | Nishanth Amuluru <nishanth@fossee.in> |
Tue, 11 Jan 2011 00:23:47 +0530 | |
changeset 134 | 563fe356947d |
parent 69 | c6bca38c1cbf |
permissions | -rw-r--r-- |
69
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1 |
# template-filters.py - common template expansion filters |
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# |
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# Copyright 2005-2008 Matt Mackall <mpm@selenic.com> |
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# |
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# This software may be used and distributed according to the terms of the |
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# GNU General Public License version 2 or any later version. |
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|
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8 |
import cgi, re, os, time, urllib |
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9 |
import encoding, node, util |
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10 |
|
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def stringify(thing): |
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'''turn nested template iterator into string.''' |
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if hasattr(thing, '__iter__') and not isinstance(thing, str): |
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return "".join([stringify(t) for t in thing if t is not None]) |
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return str(thing) |
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16 |
|
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agescales = [("year", 3600 * 24 * 365), |
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("month", 3600 * 24 * 30), |
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("week", 3600 * 24 * 7), |
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("day", 3600 * 24), |
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("hour", 3600), |
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("minute", 60), |
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("second", 1)] |
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24 |
|
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def age(date): |
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'''turn a (timestamp, tzoff) tuple into an age string.''' |
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def plural(t, c): |
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if c == 1: |
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return t |
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return t + "s" |
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def fmt(t, c): |
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return "%d %s" % (c, plural(t, c)) |
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now = time.time() |
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then = date[0] |
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if then > now: |
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return 'in the future' |
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|
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delta = max(1, int(now - then)) |
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if delta > agescales[0][1] * 2: |
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return util.shortdate(date) |
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|
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for t, s in agescales: |
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n = delta // s |
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if n >= 2 or s == 1: |
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return '%s ago' % fmt(t, n) |
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para_re = None |
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50 |
space_re = None |
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51 |
|
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52 |
def fill(text, width): |
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53 |
'''fill many paragraphs.''' |
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global para_re, space_re |
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if para_re is None: |
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56 |
para_re = re.compile('(\n\n|\n\\s*[-*]\\s*)', re.M) |
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space_re = re.compile(r' +') |
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58 |
|
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59 |
def findparas(): |
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start = 0 |
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while True: |
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m = para_re.search(text, start) |
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if not m: |
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uctext = unicode(text[start:], encoding.encoding) |
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w = len(uctext) |
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while 0 < w and uctext[w - 1].isspace(): |
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w -= 1 |
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yield (uctext[:w].encode(encoding.encoding), |
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uctext[w:].encode(encoding.encoding)) |
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70 |
break |
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yield text[start:m.start(0)], m.group(1) |
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start = m.end(1) |
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73 |
|
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return "".join([space_re.sub(' ', util.wrap(para, width=width)) + rest |
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75 |
for para, rest in findparas()]) |
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76 |
|
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def firstline(text): |
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78 |
'''return the first line of text''' |
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79 |
try: |
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80 |
return text.splitlines(True)[0].rstrip('\r\n') |
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81 |
except IndexError: |
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82 |
return '' |
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83 |
|
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84 |
def nl2br(text): |
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85 |
'''replace raw newlines with xhtml line breaks.''' |
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86 |
return text.replace('\n', '<br/>\n') |
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87 |
|
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88 |
def obfuscate(text): |
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89 |
text = unicode(text, encoding.encoding, 'replace') |
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90 |
return ''.join(['&#%d;' % ord(c) for c in text]) |
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91 |
|
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92 |
def domain(author): |
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93 |
'''get domain of author, or empty string if none.''' |
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94 |
f = author.find('@') |
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95 |
if f == -1: |
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96 |
return '' |
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97 |
author = author[f + 1:] |
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98 |
f = author.find('>') |
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99 |
if f >= 0: |
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100 |
author = author[:f] |
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101 |
return author |
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102 |
|
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103 |
def person(author): |
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104 |
'''get name of author, or else username.''' |
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105 |
if not '@' in author: |
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106 |
return author |
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107 |
f = author.find('<') |
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108 |
if f == -1: |
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109 |
return util.shortuser(author) |
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110 |
return author[:f].rstrip() |
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111 |
|
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112 |
def indent(text, prefix): |
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113 |
'''indent each non-empty line of text after first with prefix.''' |
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114 |
lines = text.splitlines() |
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115 |
num_lines = len(lines) |
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116 |
endswithnewline = text[-1:] == '\n' |
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117 |
def indenter(): |
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118 |
for i in xrange(num_lines): |
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|
119 |
l = lines[i] |
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|
120 |
if i and l.strip(): |
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|
121 |
yield prefix |
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|
122 |
yield l |
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|
123 |
if i < num_lines - 1 or endswithnewline: |
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124 |
yield '\n' |
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125 |
return "".join(indenter()) |
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|
126 |
|
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|
127 |
def permissions(flags): |
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|
128 |
if "l" in flags: |
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129 |
return "lrwxrwxrwx" |
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130 |
if "x" in flags: |
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|
131 |
return "-rwxr-xr-x" |
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132 |
return "-rw-r--r--" |
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|
133 |
|
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|
134 |
def xmlescape(text): |
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|
135 |
text = (text |
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|
136 |
.replace('&', '&') |
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137 |
.replace('<', '<') |
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|
138 |
.replace('>', '>') |
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|
139 |
.replace('"', '"') |
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|
140 |
.replace("'", ''')) # ' invalid in HTML |
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|
141 |
return re.sub('[\x00-\x08\x0B\x0C\x0E-\x1F]', ' ', text) |
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changeset
|
142 |
|
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|
143 |
def uescape(c): |
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|
144 |
if ord(c) < 0x80: |
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|
145 |
return c |
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|
146 |
else: |
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|
147 |
return '\\u%04x' % ord(c) |
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|
148 |
|
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|
149 |
_escapes = [ |
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|
150 |
('\\', '\\\\'), ('"', '\\"'), ('\t', '\\t'), ('\n', '\\n'), |
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|
151 |
('\r', '\\r'), ('\f', '\\f'), ('\b', '\\b'), |
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|
152 |
] |
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|
153 |
|
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|
154 |
def jsonescape(s): |
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|
155 |
for k, v in _escapes: |
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|
156 |
s = s.replace(k, v) |
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|
157 |
return ''.join(uescape(c) for c in s) |
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|
158 |
|
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|
159 |
def json(obj): |
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|
160 |
if obj is None or obj is False or obj is True: |
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|
161 |
return {None: 'null', False: 'false', True: 'true'}[obj] |
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|
162 |
elif isinstance(obj, int) or isinstance(obj, float): |
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|
163 |
return str(obj) |
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Added buildout stuff and made changes accordingly
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|
164 |
elif isinstance(obj, str): |
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Added buildout stuff and made changes accordingly
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parents:
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|
165 |
u = unicode(obj, encoding.encoding, 'replace') |
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Added buildout stuff and made changes accordingly
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parents:
diff
changeset
|
166 |
return '"%s"' % jsonescape(u) |
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Added buildout stuff and made changes accordingly
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changeset
|
167 |
elif isinstance(obj, unicode): |
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Added buildout stuff and made changes accordingly
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parents:
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changeset
|
168 |
return '"%s"' % jsonescape(obj) |
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Added buildout stuff and made changes accordingly
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|
169 |
elif hasattr(obj, 'keys'): |
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|
170 |
out = [] |
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|
171 |
for k, v in obj.iteritems(): |
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|
172 |
s = '%s: %s' % (json(k), json(v)) |
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parents:
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|
173 |
out.append(s) |
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Added buildout stuff and made changes accordingly
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diff
changeset
|
174 |
return '{' + ', '.join(out) + '}' |
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Added buildout stuff and made changes accordingly
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parents:
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changeset
|
175 |
elif hasattr(obj, '__iter__'): |
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Added buildout stuff and made changes accordingly
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parents:
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|
176 |
out = [] |
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parents:
diff
changeset
|
177 |
for i in obj: |
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|
178 |
out.append(json(i)) |
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Added buildout stuff and made changes accordingly
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parents:
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changeset
|
179 |
return '[' + ', '.join(out) + ']' |
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Added buildout stuff and made changes accordingly
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changeset
|
180 |
else: |
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Added buildout stuff and made changes accordingly
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parents:
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changeset
|
181 |
raise TypeError('cannot encode type %s' % obj.__class__.__name__) |
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Added buildout stuff and made changes accordingly
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parents:
diff
changeset
|
182 |
|
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Added buildout stuff and made changes accordingly
Nishanth Amuluru <nishanth@fossee.in>
parents:
diff
changeset
|
183 |
def stripdir(text): |
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Added buildout stuff and made changes accordingly
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parents:
diff
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|
184 |
'''Treat the text as path and strip a directory level, if possible.''' |
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Added buildout stuff and made changes accordingly
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parents:
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|
185 |
dir = os.path.dirname(text) |
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Added buildout stuff and made changes accordingly
Nishanth Amuluru <nishanth@fossee.in>
parents:
diff
changeset
|
186 |
if dir == "": |
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Added buildout stuff and made changes accordingly
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diff
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|
187 |
return os.path.basename(text) |
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Added buildout stuff and made changes accordingly
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parents:
diff
changeset
|
188 |
else: |
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diff
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|
189 |
return dir |
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Added buildout stuff and made changes accordingly
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parents:
diff
changeset
|
190 |
|
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parents:
diff
changeset
|
191 |
def nonempty(str): |
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Added buildout stuff and made changes accordingly
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parents:
diff
changeset
|
192 |
return str or "(none)" |
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Added buildout stuff and made changes accordingly
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changeset
|
193 |
|
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Added buildout stuff and made changes accordingly
Nishanth Amuluru <nishanth@fossee.in>
parents:
diff
changeset
|
194 |
filters = { |
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Added buildout stuff and made changes accordingly
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parents:
diff
changeset
|
195 |
"addbreaks": nl2br, |
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Added buildout stuff and made changes accordingly
Nishanth Amuluru <nishanth@fossee.in>
parents:
diff
changeset
|
196 |
"basename": os.path.basename, |
c6bca38c1cbf
Added buildout stuff and made changes accordingly
Nishanth Amuluru <nishanth@fossee.in>
parents:
diff
changeset
|
197 |
"stripdir": stripdir, |
c6bca38c1cbf
Added buildout stuff and made changes accordingly
Nishanth Amuluru <nishanth@fossee.in>
parents:
diff
changeset
|
198 |
"age": age, |
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Added buildout stuff and made changes accordingly
Nishanth Amuluru <nishanth@fossee.in>
parents:
diff
changeset
|
199 |
"date": lambda x: util.datestr(x), |
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Added buildout stuff and made changes accordingly
Nishanth Amuluru <nishanth@fossee.in>
parents:
diff
changeset
|
200 |
"domain": domain, |
c6bca38c1cbf
Added buildout stuff and made changes accordingly
Nishanth Amuluru <nishanth@fossee.in>
parents:
diff
changeset
|
201 |
"email": util.email, |
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Added buildout stuff and made changes accordingly
Nishanth Amuluru <nishanth@fossee.in>
parents:
diff
changeset
|
202 |
"escape": lambda x: cgi.escape(x, True), |
c6bca38c1cbf
Added buildout stuff and made changes accordingly
Nishanth Amuluru <nishanth@fossee.in>
parents:
diff
changeset
|
203 |
"fill68": lambda x: fill(x, width=68), |
c6bca38c1cbf
Added buildout stuff and made changes accordingly
Nishanth Amuluru <nishanth@fossee.in>
parents:
diff
changeset
|
204 |
"fill76": lambda x: fill(x, width=76), |
c6bca38c1cbf
Added buildout stuff and made changes accordingly
Nishanth Amuluru <nishanth@fossee.in>
parents:
diff
changeset
|
205 |
"firstline": firstline, |
c6bca38c1cbf
Added buildout stuff and made changes accordingly
Nishanth Amuluru <nishanth@fossee.in>
parents:
diff
changeset
|
206 |
"tabindent": lambda x: indent(x, '\t'), |
c6bca38c1cbf
Added buildout stuff and made changes accordingly
Nishanth Amuluru <nishanth@fossee.in>
parents:
diff
changeset
|
207 |
"hgdate": lambda x: "%d %d" % x, |
c6bca38c1cbf
Added buildout stuff and made changes accordingly
Nishanth Amuluru <nishanth@fossee.in>
parents:
diff
changeset
|
208 |
"isodate": lambda x: util.datestr(x, '%Y-%m-%d %H:%M %1%2'), |
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Added buildout stuff and made changes accordingly
Nishanth Amuluru <nishanth@fossee.in>
parents:
diff
changeset
|
209 |
"isodatesec": lambda x: util.datestr(x, '%Y-%m-%d %H:%M:%S %1%2'), |
c6bca38c1cbf
Added buildout stuff and made changes accordingly
Nishanth Amuluru <nishanth@fossee.in>
parents:
diff
changeset
|
210 |
"json": json, |
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Added buildout stuff and made changes accordingly
Nishanth Amuluru <nishanth@fossee.in>
parents:
diff
changeset
|
211 |
"jsonescape": jsonescape, |
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Added buildout stuff and made changes accordingly
Nishanth Amuluru <nishanth@fossee.in>
parents:
diff
changeset
|
212 |
"localdate": lambda x: (x[0], util.makedate()[1]), |
c6bca38c1cbf
Added buildout stuff and made changes accordingly
Nishanth Amuluru <nishanth@fossee.in>
parents:
diff
changeset
|
213 |
"nonempty": nonempty, |
c6bca38c1cbf
Added buildout stuff and made changes accordingly
Nishanth Amuluru <nishanth@fossee.in>
parents:
diff
changeset
|
214 |
"obfuscate": obfuscate, |
c6bca38c1cbf
Added buildout stuff and made changes accordingly
Nishanth Amuluru <nishanth@fossee.in>
parents:
diff
changeset
|
215 |
"permissions": permissions, |
c6bca38c1cbf
Added buildout stuff and made changes accordingly
Nishanth Amuluru <nishanth@fossee.in>
parents:
diff
changeset
|
216 |
"person": person, |
c6bca38c1cbf
Added buildout stuff and made changes accordingly
Nishanth Amuluru <nishanth@fossee.in>
parents:
diff
changeset
|
217 |
"rfc822date": lambda x: util.datestr(x, "%a, %d %b %Y %H:%M:%S %1%2"), |
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Added buildout stuff and made changes accordingly
Nishanth Amuluru <nishanth@fossee.in>
parents:
diff
changeset
|
218 |
"rfc3339date": lambda x: util.datestr(x, "%Y-%m-%dT%H:%M:%S%1:%2"), |
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Added buildout stuff and made changes accordingly
Nishanth Amuluru <nishanth@fossee.in>
parents:
diff
changeset
|
219 |
"hex": node.hex, |
c6bca38c1cbf
Added buildout stuff and made changes accordingly
Nishanth Amuluru <nishanth@fossee.in>
parents:
diff
changeset
|
220 |
"short": lambda x: x[:12], |
c6bca38c1cbf
Added buildout stuff and made changes accordingly
Nishanth Amuluru <nishanth@fossee.in>
parents:
diff
changeset
|
221 |
"shortdate": util.shortdate, |
c6bca38c1cbf
Added buildout stuff and made changes accordingly
Nishanth Amuluru <nishanth@fossee.in>
parents:
diff
changeset
|
222 |
"stringify": stringify, |
c6bca38c1cbf
Added buildout stuff and made changes accordingly
Nishanth Amuluru <nishanth@fossee.in>
parents:
diff
changeset
|
223 |
"strip": lambda x: x.strip(), |
c6bca38c1cbf
Added buildout stuff and made changes accordingly
Nishanth Amuluru <nishanth@fossee.in>
parents:
diff
changeset
|
224 |
"urlescape": lambda x: urllib.quote(x), |
c6bca38c1cbf
Added buildout stuff and made changes accordingly
Nishanth Amuluru <nishanth@fossee.in>
parents:
diff
changeset
|
225 |
"user": lambda x: util.shortuser(x), |
c6bca38c1cbf
Added buildout stuff and made changes accordingly
Nishanth Amuluru <nishanth@fossee.in>
parents:
diff
changeset
|
226 |
"stringescape": lambda x: x.encode('string_escape'), |
c6bca38c1cbf
Added buildout stuff and made changes accordingly
Nishanth Amuluru <nishanth@fossee.in>
parents:
diff
changeset
|
227 |
"xmlescape": xmlescape, |
c6bca38c1cbf
Added buildout stuff and made changes accordingly
Nishanth Amuluru <nishanth@fossee.in>
parents:
diff
changeset
|
228 |
} |