author | Vadim Gelfer <vadim.gelfer@gmail.com> |
Mon, 27 Feb 2006 09:35:43 -0800 | |
changeset 1901 | c64bef3d7043 |
parent 1900 | f2815605186e |
child 1902 | 1cc5f25653a3 |
permissions | -rw-r--r-- |
1900
f2815605186e
move repeated work out of inner loops.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
1899
diff
changeset
|
1 |
import re |
1896
f8f818a04f5b
move hgweb template code out to templater
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
2 |
from demandload import demandload |
1901
c64bef3d7043
use safer string parser for template engine.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
1900
diff
changeset
|
3 |
from i18n import gettext as _ |
c64bef3d7043
use safer string parser for template engine.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
1900
diff
changeset
|
4 |
demandload(globals(), "cStringIO cgi os time urllib util") |
c64bef3d7043
use safer string parser for template engine.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
1900
diff
changeset
|
5 |
|
c64bef3d7043
use safer string parser for template engine.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
1900
diff
changeset
|
6 |
esctable = { |
c64bef3d7043
use safer string parser for template engine.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
1900
diff
changeset
|
7 |
'\\': '\\', |
c64bef3d7043
use safer string parser for template engine.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
1900
diff
changeset
|
8 |
'r': '\r', |
c64bef3d7043
use safer string parser for template engine.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
1900
diff
changeset
|
9 |
't': '\t', |
c64bef3d7043
use safer string parser for template engine.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
1900
diff
changeset
|
10 |
'n': '\n', |
c64bef3d7043
use safer string parser for template engine.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
1900
diff
changeset
|
11 |
'v': '\v', |
c64bef3d7043
use safer string parser for template engine.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
1900
diff
changeset
|
12 |
} |
c64bef3d7043
use safer string parser for template engine.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
1900
diff
changeset
|
13 |
|
c64bef3d7043
use safer string parser for template engine.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
1900
diff
changeset
|
14 |
def parsestring(s): |
c64bef3d7043
use safer string parser for template engine.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
1900
diff
changeset
|
15 |
fp = cStringIO.StringIO() |
c64bef3d7043
use safer string parser for template engine.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
1900
diff
changeset
|
16 |
escape = False |
c64bef3d7043
use safer string parser for template engine.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
1900
diff
changeset
|
17 |
first = s[0] |
c64bef3d7043
use safer string parser for template engine.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
1900
diff
changeset
|
18 |
if len(s) < 2: raise SyntaxError(_('string too short')) |
c64bef3d7043
use safer string parser for template engine.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
1900
diff
changeset
|
19 |
if first not in "'\"": raise SyntaxError(_('invalid quote')) |
c64bef3d7043
use safer string parser for template engine.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
1900
diff
changeset
|
20 |
if s[-1] != first: raise SyntaxError(_('unmatched quotes')) |
c64bef3d7043
use safer string parser for template engine.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
1900
diff
changeset
|
21 |
for c in s[1:-1]: |
c64bef3d7043
use safer string parser for template engine.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
1900
diff
changeset
|
22 |
if escape: |
c64bef3d7043
use safer string parser for template engine.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
1900
diff
changeset
|
23 |
fp.write(esctable.get(c, c)) |
c64bef3d7043
use safer string parser for template engine.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
1900
diff
changeset
|
24 |
escape = False |
c64bef3d7043
use safer string parser for template engine.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
1900
diff
changeset
|
25 |
elif c == '\\': escape = True |
c64bef3d7043
use safer string parser for template engine.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
1900
diff
changeset
|
26 |
elif c == first: raise SyntaxError(_('string ends early')) |
c64bef3d7043
use safer string parser for template engine.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
1900
diff
changeset
|
27 |
else: fp.write(c) |
c64bef3d7043
use safer string parser for template engine.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
1900
diff
changeset
|
28 |
if escape: raise SyntaxError(_('unterminated escape')) |
c64bef3d7043
use safer string parser for template engine.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
1900
diff
changeset
|
29 |
return fp.getvalue() |
1896
f8f818a04f5b
move hgweb template code out to templater
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
30 |
|
f8f818a04f5b
move hgweb template code out to templater
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
31 |
class templater(object): |
f8f818a04f5b
move hgweb template code out to templater
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
32 |
def __init__(self, mapfile, filters={}, defaults={}): |
f8f818a04f5b
move hgweb template code out to templater
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
33 |
self.cache = {} |
f8f818a04f5b
move hgweb template code out to templater
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
34 |
self.map = {} |
f8f818a04f5b
move hgweb template code out to templater
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
35 |
self.base = os.path.dirname(mapfile) |
f8f818a04f5b
move hgweb template code out to templater
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
36 |
self.filters = filters |
f8f818a04f5b
move hgweb template code out to templater
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
37 |
self.defaults = defaults |
f8f818a04f5b
move hgweb template code out to templater
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
38 |
|
1901
c64bef3d7043
use safer string parser for template engine.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
1900
diff
changeset
|
39 |
i = 0 |
1896
f8f818a04f5b
move hgweb template code out to templater
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
40 |
for l in file(mapfile): |
1901
c64bef3d7043
use safer string parser for template engine.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
1900
diff
changeset
|
41 |
i += 1 |
c64bef3d7043
use safer string parser for template engine.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
1900
diff
changeset
|
42 |
m = re.match(r'(\S+)\s*=\s*(["\'].*["\'])$', l) |
1896
f8f818a04f5b
move hgweb template code out to templater
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
43 |
if m: |
1901
c64bef3d7043
use safer string parser for template engine.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
1900
diff
changeset
|
44 |
try: |
c64bef3d7043
use safer string parser for template engine.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
1900
diff
changeset
|
45 |
s = m.group(2) |
c64bef3d7043
use safer string parser for template engine.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
1900
diff
changeset
|
46 |
self.cache[m.group(1)] = parsestring(s) |
c64bef3d7043
use safer string parser for template engine.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
1900
diff
changeset
|
47 |
except SyntaxError, inst: |
c64bef3d7043
use safer string parser for template engine.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
1900
diff
changeset
|
48 |
raise SyntaxError('%s:%s: %s' % (mapfile, i, inst.args[0])) |
1896
f8f818a04f5b
move hgweb template code out to templater
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
49 |
else: |
f8f818a04f5b
move hgweb template code out to templater
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
50 |
m = re.match(r'(\S+)\s*=\s*(\S+)', l) |
f8f818a04f5b
move hgweb template code out to templater
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
51 |
if m: |
f8f818a04f5b
move hgweb template code out to templater
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
52 |
self.map[m.group(1)] = os.path.join(self.base, m.group(2)) |
f8f818a04f5b
move hgweb template code out to templater
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
53 |
else: |
f8f818a04f5b
move hgweb template code out to templater
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
54 |
raise LookupError(_("unknown map entry '%s'") % l) |
f8f818a04f5b
move hgweb template code out to templater
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
55 |
|
1899
888d298ddb91
many small changes to templater.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
1897
diff
changeset
|
56 |
def __contains__(self, key): |
888d298ddb91
many small changes to templater.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
1897
diff
changeset
|
57 |
return key in self.cache |
888d298ddb91
many small changes to templater.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
1897
diff
changeset
|
58 |
|
1896
f8f818a04f5b
move hgweb template code out to templater
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
59 |
def __call__(self, t, **map): |
f8f818a04f5b
move hgweb template code out to templater
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
60 |
m = self.defaults.copy() |
f8f818a04f5b
move hgweb template code out to templater
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
61 |
m.update(map) |
f8f818a04f5b
move hgweb template code out to templater
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
62 |
try: |
f8f818a04f5b
move hgweb template code out to templater
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
63 |
tmpl = self.cache[t] |
f8f818a04f5b
move hgweb template code out to templater
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
64 |
except KeyError: |
f8f818a04f5b
move hgweb template code out to templater
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
65 |
tmpl = self.cache[t] = file(self.map[t]).read() |
f8f818a04f5b
move hgweb template code out to templater
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
66 |
return self.template(tmpl, self.filters, **m) |
f8f818a04f5b
move hgweb template code out to templater
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
67 |
|
1900
f2815605186e
move repeated work out of inner loops.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
1899
diff
changeset
|
68 |
template_re = re.compile(r"#([a-zA-Z_][a-zA-Z0-9_]*)" |
f2815605186e
move repeated work out of inner loops.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
1899
diff
changeset
|
69 |
r"((%[a-zA-Z_][a-zA-Z0-9_]*)*)" |
f2815605186e
move repeated work out of inner loops.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
1899
diff
changeset
|
70 |
r"((\|[a-zA-Z_][a-zA-Z0-9_]*)*)#") |
f2815605186e
move repeated work out of inner loops.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
1899
diff
changeset
|
71 |
|
1896
f8f818a04f5b
move hgweb template code out to templater
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
72 |
def template(self, tmpl, filters={}, **map): |
1900
f2815605186e
move repeated work out of inner loops.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
1899
diff
changeset
|
73 |
lm = map.copy() |
1896
f8f818a04f5b
move hgweb template code out to templater
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
74 |
while tmpl: |
1900
f2815605186e
move repeated work out of inner loops.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
1899
diff
changeset
|
75 |
m = self.template_re.search(tmpl) |
1896
f8f818a04f5b
move hgweb template code out to templater
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
76 |
if m: |
1900
f2815605186e
move repeated work out of inner loops.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
1899
diff
changeset
|
77 |
start = m.start(0) |
f2815605186e
move repeated work out of inner loops.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
1899
diff
changeset
|
78 |
if start: |
f2815605186e
move repeated work out of inner loops.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
1899
diff
changeset
|
79 |
yield tmpl[:start] |
1896
f8f818a04f5b
move hgweb template code out to templater
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
80 |
v = map.get(m.group(1), "") |
f8f818a04f5b
move hgweb template code out to templater
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
81 |
v = callable(v) and v(**map) or v |
f8f818a04f5b
move hgweb template code out to templater
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
82 |
|
f8f818a04f5b
move hgweb template code out to templater
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
83 |
format = m.group(2) |
f8f818a04f5b
move hgweb template code out to templater
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
84 |
fl = m.group(4) |
f8f818a04f5b
move hgweb template code out to templater
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
85 |
|
f8f818a04f5b
move hgweb template code out to templater
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
86 |
if format: |
f8f818a04f5b
move hgweb template code out to templater
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
87 |
q = v.__iter__ |
f8f818a04f5b
move hgweb template code out to templater
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
88 |
for i in q(): |
f8f818a04f5b
move hgweb template code out to templater
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
89 |
lm.update(i) |
f8f818a04f5b
move hgweb template code out to templater
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
90 |
yield self(format[1:], **lm) |
f8f818a04f5b
move hgweb template code out to templater
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
91 |
|
f8f818a04f5b
move hgweb template code out to templater
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
92 |
v = "" |
f8f818a04f5b
move hgweb template code out to templater
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
93 |
|
f8f818a04f5b
move hgweb template code out to templater
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
94 |
elif fl: |
f8f818a04f5b
move hgweb template code out to templater
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
95 |
for f in fl.split("|")[1:]: |
f8f818a04f5b
move hgweb template code out to templater
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
96 |
v = filters[f](v) |
f8f818a04f5b
move hgweb template code out to templater
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
97 |
|
f8f818a04f5b
move hgweb template code out to templater
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
98 |
yield v |
f8f818a04f5b
move hgweb template code out to templater
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
99 |
tmpl = tmpl[m.end(0):] |
f8f818a04f5b
move hgweb template code out to templater
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
100 |
else: |
f8f818a04f5b
move hgweb template code out to templater
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
|
101 |
yield tmpl |
1900
f2815605186e
move repeated work out of inner loops.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
1899
diff
changeset
|
102 |
break |
f2815605186e
move repeated work out of inner loops.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
1899
diff
changeset
|
103 |
|
f2815605186e
move repeated work out of inner loops.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
1899
diff
changeset
|
104 |
agescales = [("second", 1), |
f2815605186e
move repeated work out of inner loops.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
1899
diff
changeset
|
105 |
("minute", 60), |
f2815605186e
move repeated work out of inner loops.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
1899
diff
changeset
|
106 |
("hour", 3600), |
f2815605186e
move repeated work out of inner loops.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
1899
diff
changeset
|
107 |
("day", 3600 * 24), |
f2815605186e
move repeated work out of inner loops.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
1899
diff
changeset
|
108 |
("week", 3600 * 24 * 7), |
f2815605186e
move repeated work out of inner loops.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
1899
diff
changeset
|
109 |
("month", 3600 * 24 * 30), |
f2815605186e
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Vadim Gelfer <vadim.gelfer@gmail.com>
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110 |
("year", 3600 * 24 * 365)] |
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111 |
|
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112 |
agescales.reverse() |
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113 |
|
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114 |
def age(x): |
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115 |
def plural(t, c): |
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116 |
if c == 1: |
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117 |
return t |
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118 |
return t + "s" |
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119 |
def fmt(t, c): |
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120 |
return "%d %s" % (c, plural(t, c)) |
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121 |
|
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122 |
now = time.time() |
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123 |
then = x[0] |
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124 |
delta = max(1, int(now - then)) |
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125 |
|
1900
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126 |
for t, s in agescales: |
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127 |
n = delta / s |
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128 |
if n >= 2 or s == 1: |
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129 |
return fmt(t, n) |
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130 |
|
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131 |
def nl2br(text): |
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132 |
return text.replace('\n', '<br/>\n') |
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133 |
|
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134 |
def obfuscate(text): |
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135 |
return ''.join(['&#%d;' % ord(c) for c in text]) |
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136 |
|
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137 |
common_filters = { |
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138 |
"escape": lambda x: cgi.escape(x, True), |
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139 |
"urlescape": urllib.quote, |
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140 |
"strip": lambda x: x.strip(), |
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141 |
"age": age, |
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142 |
"date": lambda x: util.datestr(x), |
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143 |
"addbreaks": nl2br, |
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144 |
"obfuscate": obfuscate, |
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145 |
"short": (lambda x: x[:12]), |
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146 |
"firstline": (lambda x: x.splitlines(1)[0]), |
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147 |
"permissions": (lambda x: x and "-rwxr-xr-x" or "-rw-r--r--"), |
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148 |
"rfc822date": lambda x: util.datestr(x, "%a, %d %b %Y %H:%M:%S"), |
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149 |
} |
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150 |
|
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151 |
def templatepath(name=None): |
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152 |
for f in 'templates', '../templates': |
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153 |
fl = f.split('/') |
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154 |
if name: fl.append(name) |
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155 |
p = os.path.join(os.path.dirname(__file__), *fl) |
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156 |
if (name and os.path.exists(p)) or os.path.isdir(p): |
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157 |
return os.path.normpath(p) |