calibre-web/vendor/babel/util.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

290 lines
8.0 KiB
Python

# -*- coding: utf-8 -*-
"""
babel.util
~~~~~~~~~~
Various utility classes and functions.
:copyright: (c) 2013 by the Babel Team.
:license: BSD, see LICENSE for more details.
"""
import codecs
from datetime import timedelta, tzinfo
import os
import re
import textwrap
from babel._compat import izip, imap
missing = object()
def distinct(iterable):
"""Yield all items in an iterable collection that are distinct.
Unlike when using sets for a similar effect, the original ordering of the
items in the collection is preserved by this function.
>>> print list(distinct([1, 2, 1, 3, 4, 4]))
[1, 2, 3, 4]
>>> print list(distinct('foobar'))
['f', 'o', 'b', 'a', 'r']
:param iterable: the iterable collection providing the data
"""
seen = set()
for item in iter(iterable):
if item not in seen:
yield item
seen.add(item)
# Regexp to match python magic encoding line
PYTHON_MAGIC_COMMENT_re = re.compile(
br'[ \t\f]* \# .* coding[=:][ \t]*([-\w.]+)', re.VERBOSE)
def parse_encoding(fp):
"""Deduce the encoding of a source file from magic comment.
It does this in the same way as the `Python interpreter`__
.. __: http://docs.python.org/ref/encodings.html
The ``fp`` argument should be a seekable file object.
(From Jeff Dairiki)
"""
pos = fp.tell()
fp.seek(0)
try:
line1 = fp.readline()
has_bom = line1.startswith(codecs.BOM_UTF8)
if has_bom:
line1 = line1[len(codecs.BOM_UTF8):]
m = PYTHON_MAGIC_COMMENT_re.match(line1)
if not m:
try:
import parser
parser.suite(line1.decode('latin-1'))
except (ImportError, SyntaxError):
# Either it's a real syntax error, in which case the source is
# not valid python source, or line2 is a continuation of line1,
# in which case we don't want to scan line2 for a magic
# comment.
pass
else:
line2 = fp.readline()
m = PYTHON_MAGIC_COMMENT_re.match(line2)
if has_bom:
if m:
raise SyntaxError(
"python refuses to compile code with both a UTF8 "
"byte-order-mark and a magic encoding comment")
return 'utf_8'
elif m:
return m.group(1).decode('latin-1')
else:
return None
finally:
fp.seek(pos)
def pathmatch(pattern, filename):
"""Extended pathname pattern matching.
This function is similar to what is provided by the ``fnmatch`` module in
the Python standard library, but:
* can match complete (relative or absolute) path names, and not just file
names, and
* also supports a convenience pattern ("**") to match files at any
directory level.
Examples:
>>> pathmatch('**.py', 'bar.py')
True
>>> pathmatch('**.py', 'foo/bar/baz.py')
True
>>> pathmatch('**.py', 'templates/index.html')
False
>>> pathmatch('**/templates/*.html', 'templates/index.html')
True
>>> pathmatch('**/templates/*.html', 'templates/foo/bar.html')
False
:param pattern: the glob pattern
:param filename: the path name of the file to match against
"""
symbols = {
'?': '[^/]',
'?/': '[^/]/',
'*': '[^/]+',
'*/': '[^/]+/',
'**/': '(?:.+/)*?',
'**': '(?:.+/)*?[^/]+',
}
buf = []
for idx, part in enumerate(re.split('([?*]+/?)', pattern)):
if idx % 2:
buf.append(symbols[part])
elif part:
buf.append(re.escape(part))
match = re.match(''.join(buf) + '$', filename.replace(os.sep, '/'))
return match is not None
class TextWrapper(textwrap.TextWrapper):
wordsep_re = re.compile(
r'(\s+|' # any whitespace
r'(?<=[\w\!\"\'\&\.\,\?])-{2,}(?=\w))' # em-dash
)
def wraptext(text, width=70, initial_indent='', subsequent_indent=''):
"""Simple wrapper around the ``textwrap.wrap`` function in the standard
library. This version does not wrap lines on hyphens in words.
:param text: the text to wrap
:param width: the maximum line width
:param initial_indent: string that will be prepended to the first line of
wrapped output
:param subsequent_indent: string that will be prepended to all lines save
the first of wrapped output
"""
wrapper = TextWrapper(width=width, initial_indent=initial_indent,
subsequent_indent=subsequent_indent,
break_long_words=False)
return wrapper.wrap(text)
class odict(dict):
"""Ordered dict implementation.
:see: http://aspn.activestate.com/ASPN/Cookbook/Python/Recipe/107747
"""
def __init__(self, data=None):
dict.__init__(self, data or {})
self._keys = list(dict.keys(self))
def __delitem__(self, key):
dict.__delitem__(self, key)
self._keys.remove(key)
def __setitem__(self, key, item):
dict.__setitem__(self, key, item)
if key not in self._keys:
self._keys.append(key)
def __iter__(self):
return iter(self._keys)
iterkeys = __iter__
def clear(self):
dict.clear(self)
self._keys = []
def copy(self):
d = odict()
d.update(self)
return d
def items(self):
return zip(self._keys, self.values())
def iteritems(self):
return izip(self._keys, self.itervalues())
def keys(self):
return self._keys[:]
def pop(self, key, default=missing):
if default is missing:
return dict.pop(self, key)
elif key not in self:
return default
self._keys.remove(key)
return dict.pop(self, key, default)
def popitem(self, key):
self._keys.remove(key)
return dict.popitem(key)
def setdefault(self, key, failobj = None):
dict.setdefault(self, key, failobj)
if key not in self._keys:
self._keys.append(key)
def update(self, dict):
for (key, val) in dict.items():
self[key] = val
def values(self):
return map(self.get, self._keys)
def itervalues(self):
return imap(self.get, self._keys)
try:
relpath = os.path.relpath
except AttributeError:
def relpath(path, start='.'):
"""Compute the relative path to one path from another.
>>> relpath('foo/bar.txt', '').replace(os.sep, '/')
'foo/bar.txt'
>>> relpath('foo/bar.txt', 'foo').replace(os.sep, '/')
'bar.txt'
>>> relpath('foo/bar.txt', 'baz').replace(os.sep, '/')
'../foo/bar.txt'
"""
start_list = os.path.abspath(start).split(os.sep)
path_list = os.path.abspath(path).split(os.sep)
# Work out how much of the filepath is shared by start and path.
i = len(os.path.commonprefix([start_list, path_list]))
rel_list = [os.path.pardir] * (len(start_list) - i) + path_list[i:]
return os.path.join(*rel_list)
class FixedOffsetTimezone(tzinfo):
"""Fixed offset in minutes east from UTC."""
def __init__(self, offset, name=None):
self._offset = timedelta(minutes=offset)
if name is None:
name = 'Etc/GMT+%d' % offset
self.zone = name
def __str__(self):
return self.zone
def __repr__(self):
return '<FixedOffset "%s" %s>' % (self.zone, self._offset)
def utcoffset(self, dt):
return self._offset
def tzname(self, dt):
return self.zone
def dst(self, dt):
return ZERO
import pytz as _pytz
from babel import localtime
# Export the localtime functionality here because that's
# where it was in the past.
UTC = _pytz.utc
LOCALTZ = localtime.LOCALTZ
get_localzone = localtime.get_localzone
STDOFFSET = localtime.STDOFFSET
DSTOFFSET = localtime.DSTOFFSET
DSTDIFF = localtime.DSTDIFF
ZERO = localtime.ZERO