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# hgweb/common.py - Utility functions needed by hgweb_mod and hgwebdir_mod
#
# Copyright 21 May 2005 - (c) 2005 Jake Edge <jake@edge2.net>
# Copyright 2005, 2006 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 os, mimetypes
def get_mtime(repo_path):
store_path = os.path.join(repo_path, ".hg")
if not os.path.isdir(os.path.join(store_path, "data")):
store_path = os.path.join(store_path, "store")
cl_path = os.path.join(store_path, "00changelog.i")
if os.path.exists(cl_path):
return os.stat(cl_path).st_mtime
else:
return os.stat(store_path).st_mtime
def staticfile(directory, fname, req):
"""return a file inside directory with guessed content-type header
fname always uses '/' as directory separator and isn't allowed to
contain unusual path components.
Content-type is guessed using the mimetypes module.
Return an empty string if fname is illegal or file not found.
"""
parts = fname.split('/')
path = directory
for part in parts:
if (part in ('', os.curdir, os.pardir) or
os.sep in part or os.altsep is not None and os.altsep in part):
return ""
path = os.path.join(path, part)
try:
os.stat(path)
ct = mimetypes.guess_type(path)[0] or "text/plain"
req.header([('Content-type', ct),
('Content-length', str(os.path.getsize(path)))])
return file(path, 'rb').read()
except (TypeError, OSError):
# illegal fname or unreadable file
return ""
def style_map(templatepath, style):
"""Return path to mapfile for a given style.
Searches mapfile in the following locations:
1. templatepath/style/map
2. templatepath/map-style
3. templatepath/map
"""
locations = style and [os.path.join(style, "map"), "map-"+style] or []
locations.append("map")
for location in locations:
mapfile = os.path.join(templatepath, location)
if os.path.isfile(mapfile):
return mapfile
raise RuntimeError("No hgweb templates found in %r" % templatepath)
def paritygen(stripecount, offset=0):
"""count parity of horizontal stripes for easier reading"""
if stripecount and offset:
# account for offset, e.g. due to building the list in reverse
count = (stripecount + offset) % stripecount
parity = (stripecount + offset) / stripecount & 1
else:
count = 0
parity = 0
while True:
yield parity
count += 1
if stripecount and count >= stripecount:
parity = 1 - parity
count = 0
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