templatefilters.py
155 lines
| 4.4 KiB
| text/x-python
|
PythonLexer
/ mercurial / templatefilters.py
|
r5976 | # template-filters.py - common template expansion filters | ||
# | ||||
# Copyright 2005-2008 Matt Mackall <mpm@selenic.com> | ||||
# | ||||
# This software may be used and distributed according to the terms | ||||
# of the GNU General Public License, incorporated herein by reference. | ||||
import cgi, re, os, time, urllib, textwrap | ||||
import util, templater | ||||
agescales = [("second", 1), | ||||
("minute", 60), | ||||
("hour", 3600), | ||||
("day", 3600 * 24), | ||||
("week", 3600 * 24 * 7), | ||||
("month", 3600 * 24 * 30), | ||||
("year", 3600 * 24 * 365)] | ||||
agescales.reverse() | ||||
def age(date): | ||||
'''turn a (timestamp, tzoff) tuple into an age string.''' | ||||
def plural(t, c): | ||||
if c == 1: | ||||
return t | ||||
return t + "s" | ||||
def fmt(t, c): | ||||
return "%d %s" % (c, plural(t, c)) | ||||
now = time.time() | ||||
then = date[0] | ||||
delta = max(1, int(now - then)) | ||||
for t, s in agescales: | ||||
n = delta / s | ||||
if n >= 2 or s == 1: | ||||
return fmt(t, n) | ||||
para_re = None | ||||
space_re = None | ||||
def fill(text, width): | ||||
'''fill many paragraphs.''' | ||||
global para_re, space_re | ||||
if para_re is None: | ||||
para_re = re.compile('(\n\n|\n\\s*[-*]\\s*)', re.M) | ||||
space_re = re.compile(r' +') | ||||
def findparas(): | ||||
start = 0 | ||||
while True: | ||||
m = para_re.search(text, start) | ||||
if not m: | ||||
w = len(text) | ||||
while w > start and text[w-1].isspace(): w -= 1 | ||||
yield text[start:w], text[w:] | ||||
break | ||||
yield text[start:m.start(0)], m.group(1) | ||||
start = m.end(1) | ||||
return "".join([space_re.sub(' ', textwrap.fill(para, width)) + rest | ||||
for para, rest in findparas()]) | ||||
def firstline(text): | ||||
'''return the first line of text''' | ||||
try: | ||||
return text.splitlines(1)[0].rstrip('\r\n') | ||||
except IndexError: | ||||
return '' | ||||
def isodate(date): | ||||
'''turn a (timestamp, tzoff) tuple into an iso 8631 date and time.''' | ||||
return util.datestr(date, format='%Y-%m-%d %H:%M') | ||||
def hgdate(date): | ||||
'''turn a (timestamp, tzoff) tuple into an hg cset timestamp.''' | ||||
return "%d %d" % date | ||||
def nl2br(text): | ||||
'''replace raw newlines with xhtml line breaks.''' | ||||
return text.replace('\n', '<br/>\n') | ||||
def obfuscate(text): | ||||
text = unicode(text, util._encoding, 'replace') | ||||
return ''.join(['&#%d;' % ord(c) for c in text]) | ||||
def domain(author): | ||||
'''get domain of author, or empty string if none.''' | ||||
f = author.find('@') | ||||
if f == -1: return '' | ||||
author = author[f+1:] | ||||
f = author.find('>') | ||||
if f >= 0: author = author[:f] | ||||
return author | ||||
def person(author): | ||||
'''get name of author, or else username.''' | ||||
f = author.find('<') | ||||
if f == -1: return util.shortuser(author) | ||||
return author[:f].rstrip() | ||||
def shortdate(date): | ||||
'''turn (timestamp, tzoff) tuple into iso 8631 date.''' | ||||
return util.datestr(date, format='%Y-%m-%d', timezone=False) | ||||
def indent(text, prefix): | ||||
'''indent each non-empty line of text after first with prefix.''' | ||||
lines = text.splitlines() | ||||
num_lines = len(lines) | ||||
def indenter(): | ||||
for i in xrange(num_lines): | ||||
l = lines[i] | ||||
if i and l.strip(): | ||||
yield prefix | ||||
yield l | ||||
if i < num_lines - 1 or text.endswith('\n'): | ||||
yield '\n' | ||||
return "".join(indenter()) | ||||
def permissions(flags): | ||||
if "l" in flags: | ||||
return "lrwxrwxrwx" | ||||
if "x" in flags: | ||||
return "-rwxr-xr-x" | ||||
return "-rw-r--r--" | ||||
filters = { | ||||
"addbreaks": nl2br, | ||||
"basename": os.path.basename, | ||||
"age": age, | ||||
"date": lambda x: util.datestr(x), | ||||
"domain": domain, | ||||
"email": util.email, | ||||
"escape": lambda x: cgi.escape(x, True), | ||||
"fill68": lambda x: fill(x, width=68), | ||||
"fill76": lambda x: fill(x, width=76), | ||||
"firstline": firstline, | ||||
"tabindent": lambda x: indent(x, '\t'), | ||||
"hgdate": hgdate, | ||||
"isodate": isodate, | ||||
"obfuscate": obfuscate, | ||||
"permissions": permissions, | ||||
"person": person, | ||||
"rfc822date": lambda x: util.datestr(x, "%a, %d %b %Y %H:%M:%S"), | ||||
"rfc3339date": lambda x: util.datestr(x, "%Y-%m-%dT%H:%M:%S", True, "%+03d:%02d"), | ||||
"short": lambda x: x[:12], | ||||
"shortdate": shortdate, | ||||
"stringify": templater.stringify, | ||||
"strip": lambda x: x.strip(), | ||||
"urlescape": lambda x: urllib.quote(x), | ||||
"user": lambda x: util.shortuser(x), | ||||
"stringescape": lambda x: x.encode('string_escape'), | ||||
} | ||||