calibre-web/vendor/babel/localtime/_unix.py
OzzieIsaacs bbf6d9b026 Translation of UI (german and english)
Bugfix for feeds
    - removed categories related and up
    - load new books now working
    - category random now working
login page is free of non accessible elements
boolean custom column is vivible in UI
books with only with certain languages can be shown
book shelfs can be deleted from UI
Anonymous user view is more resticted
Added browse of series in sidebar
Dependencys in vendor folder are updated to newer versions (licencs files are now present)
Bugfix editing Authors names
Made upload on windows working
2016-11-09 19:24:33 +01:00

138 lines
5.0 KiB
Python

from __future__ import with_statement
import os
import re
import sys
import pytz
import subprocess
_systemconfig_tz = re.compile(r'^Time Zone: (.*)$(?m)')
def _tz_from_env(tzenv):
if tzenv[0] == ':':
tzenv = tzenv[1:]
# TZ specifies a file
if os.path.exists(tzenv):
with open(tzenv, 'rb') as tzfile:
return pytz.tzfile.build_tzinfo('local', tzfile)
# TZ specifies a zoneinfo zone.
try:
tz = pytz.timezone(tzenv)
# That worked, so we return this:
return tz
except pytz.UnknownTimeZoneError:
raise pytz.UnknownTimeZoneError(
"tzlocal() does not support non-zoneinfo timezones like %s. \n"
"Please use a timezone in the form of Continent/City")
def _get_localzone(_root='/'):
"""Tries to find the local timezone configuration.
This method prefers finding the timezone name and passing that to pytz,
over passing in the localtime file, as in the later case the zoneinfo
name is unknown.
The parameter _root makes the function look for files like /etc/localtime
beneath the _root directory. This is primarily used by the tests.
In normal usage you call the function without parameters.
"""
tzenv = os.environ.get('TZ')
if tzenv:
return _tz_from_env(tzenv)
# This is actually a pretty reliable way to test for the local time
# zone on operating systems like OS X. On OS X especially this is the
# only one that actually works.
try:
link_dst = os.readlink('/etc/localtime')
except OSError:
pass
else:
pos = link_dst.find('/zoneinfo/')
if pos >= 0:
zone_name = link_dst[pos + 10:]
try:
return pytz.timezone(zone_name)
except pytz.UnknownTimeZoneError:
pass
# If we are on OS X now we are pretty sure that the rest of the
# code will fail and just fall through until it hits the reading
# of /etc/localtime and using it without name. At this point we
# can invoke systemconfig which internally invokes ICU. ICU itself
# does the same thing we do (readlink + compare file contents) but
# since it knows where the zone files are that should be a bit
# better than reimplementing the logic here.
if sys.platform == 'darwin':
c = subprocess.Popen(['systemsetup', '-gettimezone'],
stdout=subprocess.PIPE)
sys_result = c.communicate()[0]
c.wait()
tz_match = _systemconfig_tz.search(sys_result)
if tz_match is not None:
zone_name = tz_match.group(1)
try:
return pytz.timezone(zone_name)
except pytz.UnknownTimeZoneError:
pass
# Now look for distribution specific configuration files
# that contain the timezone name.
tzpath = os.path.join(_root, 'etc/timezone')
if os.path.exists(tzpath):
with open(tzpath, 'rb') as tzfile:
data = tzfile.read()
# Issue #3 in tzlocal was that /etc/timezone was a zoneinfo file.
# That's a misconfiguration, but we need to handle it gracefully:
if data[:5] != 'TZif2':
etctz = data.strip().decode()
# Get rid of host definitions and comments:
if ' ' in etctz:
etctz, dummy = etctz.split(' ', 1)
if '#' in etctz:
etctz, dummy = etctz.split('#', 1)
return pytz.timezone(etctz.replace(' ', '_'))
# CentOS has a ZONE setting in /etc/sysconfig/clock,
# OpenSUSE has a TIMEZONE setting in /etc/sysconfig/clock and
# Gentoo has a TIMEZONE setting in /etc/conf.d/clock
# We look through these files for a timezone:
zone_re = re.compile('\s*ZONE\s*=\s*\"')
timezone_re = re.compile('\s*TIMEZONE\s*=\s*\"')
end_re = re.compile('\"')
for filename in ('etc/sysconfig/clock', 'etc/conf.d/clock'):
tzpath = os.path.join(_root, filename)
if not os.path.exists(tzpath):
continue
with open(tzpath, 'rt') as tzfile:
data = tzfile.readlines()
for line in data:
# Look for the ZONE= setting.
match = zone_re.match(line)
if match is None:
# No ZONE= setting. Look for the TIMEZONE= setting.
match = timezone_re.match(line)
if match is not None:
# Some setting existed
line = line[match.end():]
etctz = line[:end_re.search(line).start()]
# We found a timezone
return pytz.timezone(etctz.replace(' ', '_'))
# No explicit setting existed. Use localtime
for filename in ('etc/localtime', 'usr/local/etc/localtime'):
tzpath = os.path.join(_root, filename)
if not os.path.exists(tzpath):
continue
with open(tzpath, 'rb') as tzfile:
return pytz.tzfile.build_tzinfo('local', tzfile)
raise pytz.UnknownTimeZoneError('Can not find any timezone configuration')