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bbf6d9b026
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
210 lines
6.8 KiB
Python
210 lines
6.8 KiB
Python
# -*- coding: utf-8 -*-
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"""
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babel.messages.mofile
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~~~~~~~~~~~~~~~~~~~~~
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Writing of files in the ``gettext`` MO (machine object) format.
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:copyright: (c) 2013 by the Babel Team.
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:license: BSD, see LICENSE for more details.
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"""
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import array
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import struct
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from babel.messages.catalog import Catalog, Message
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from babel._compat import range_type
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LE_MAGIC = 0x950412de
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BE_MAGIC = 0xde120495
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def read_mo(fileobj):
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"""Read a binary MO file from the given file-like object and return a
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corresponding `Catalog` object.
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:param fileobj: the file-like object to read the MO file from
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:note: The implementation of this function is heavily based on the
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``GNUTranslations._parse`` method of the ``gettext`` module in the
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standard library.
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"""
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catalog = Catalog()
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headers = {}
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filename = getattr(fileobj, 'name', '')
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buf = fileobj.read()
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buflen = len(buf)
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unpack = struct.unpack
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# Parse the .mo file header, which consists of 5 little endian 32
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# bit words.
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magic = unpack('<I', buf[:4])[0] # Are we big endian or little endian?
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if magic == LE_MAGIC:
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version, msgcount, origidx, transidx = unpack('<4I', buf[4:20])
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ii = '<II'
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elif magic == BE_MAGIC:
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version, msgcount, origidx, transidx = unpack('>4I', buf[4:20])
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ii = '>II'
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else:
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raise IOError(0, 'Bad magic number', filename)
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# Now put all messages from the .mo file buffer into the catalog
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# dictionary
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for i in range_type(0, msgcount):
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mlen, moff = unpack(ii, buf[origidx:origidx + 8])
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mend = moff + mlen
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tlen, toff = unpack(ii, buf[transidx:transidx + 8])
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tend = toff + tlen
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if mend < buflen and tend < buflen:
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msg = buf[moff:mend]
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tmsg = buf[toff:tend]
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else:
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raise IOError(0, 'File is corrupt', filename)
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# See if we're looking at GNU .mo conventions for metadata
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if mlen == 0:
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# Catalog description
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lastkey = key = None
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for item in tmsg.splitlines():
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item = item.strip()
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if not item:
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continue
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if b':' in item:
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key, value = item.split(b':', 1)
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lastkey = key = key.strip().lower()
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headers[key] = value.strip()
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elif lastkey:
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headers[lastkey] += b'\n' + item
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if b'\x04' in msg: # context
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ctxt, msg = msg.split(b'\x04')
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else:
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ctxt = None
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if b'\x00' in msg: # plural forms
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msg = msg.split(b'\x00')
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tmsg = tmsg.split(b'\x00')
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if catalog.charset:
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msg = [x.decode(catalog.charset) for x in msg]
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tmsg = [x.decode(catalog.charset) for x in tmsg]
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else:
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if catalog.charset:
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msg = msg.decode(catalog.charset)
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tmsg = tmsg.decode(catalog.charset)
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catalog[msg] = Message(msg, tmsg, context=ctxt)
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# advance to next entry in the seek tables
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origidx += 8
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transidx += 8
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catalog.mime_headers = headers.items()
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return catalog
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def write_mo(fileobj, catalog, use_fuzzy=False):
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"""Write a catalog to the specified file-like object using the GNU MO file
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format.
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>>> from babel.messages import Catalog
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>>> from gettext import GNUTranslations
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>>> from StringIO import StringIO
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>>> catalog = Catalog(locale='en_US')
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>>> catalog.add('foo', 'Voh')
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<Message ...>
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>>> catalog.add((u'bar', u'baz'), (u'Bahr', u'Batz'))
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<Message ...>
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>>> catalog.add('fuz', 'Futz', flags=['fuzzy'])
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<Message ...>
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>>> catalog.add('Fizz', '')
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<Message ...>
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>>> catalog.add(('Fuzz', 'Fuzzes'), ('', ''))
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<Message ...>
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>>> buf = StringIO()
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>>> write_mo(buf, catalog)
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>>> buf.seek(0)
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>>> translations = GNUTranslations(fp=buf)
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>>> translations.ugettext('foo')
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u'Voh'
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>>> translations.ungettext('bar', 'baz', 1)
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u'Bahr'
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>>> translations.ungettext('bar', 'baz', 2)
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u'Batz'
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>>> translations.ugettext('fuz')
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u'fuz'
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>>> translations.ugettext('Fizz')
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u'Fizz'
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>>> translations.ugettext('Fuzz')
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u'Fuzz'
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>>> translations.ugettext('Fuzzes')
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u'Fuzzes'
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:param fileobj: the file-like object to write to
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:param catalog: the `Catalog` instance
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:param use_fuzzy: whether translations marked as "fuzzy" should be included
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in the output
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"""
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messages = list(catalog)
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if not use_fuzzy:
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messages[1:] = [m for m in messages[1:] if not m.fuzzy]
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messages.sort()
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ids = strs = b''
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offsets = []
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for message in messages:
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# For each string, we need size and file offset. Each string is NUL
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# terminated; the NUL does not count into the size.
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if message.pluralizable:
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msgid = b'\x00'.join([
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msgid.encode(catalog.charset) for msgid in message.id
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])
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msgstrs = []
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for idx, string in enumerate(message.string):
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if not string:
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msgstrs.append(message.id[min(int(idx), 1)])
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else:
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msgstrs.append(string)
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msgstr = b'\x00'.join([
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msgstr.encode(catalog.charset) for msgstr in msgstrs
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])
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else:
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msgid = message.id.encode(catalog.charset)
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if not message.string:
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msgstr = message.id.encode(catalog.charset)
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else:
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msgstr = message.string.encode(catalog.charset)
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if message.context:
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msgid = b'\x04'.join([message.context.encode(catalog.charset),
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msgid])
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offsets.append((len(ids), len(msgid), len(strs), len(msgstr)))
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ids += msgid + b'\x00'
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strs += msgstr + b'\x00'
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# The header is 7 32-bit unsigned integers. We don't use hash tables, so
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# the keys start right after the index tables.
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keystart = 7 * 4 + 16 * len(messages)
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valuestart = keystart + len(ids)
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# The string table first has the list of keys, then the list of values.
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# Each entry has first the size of the string, then the file offset.
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koffsets = []
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voffsets = []
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for o1, l1, o2, l2 in offsets:
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koffsets += [l1, o1 + keystart]
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voffsets += [l2, o2 + valuestart]
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offsets = koffsets + voffsets
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fileobj.write(struct.pack('Iiiiiii',
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LE_MAGIC, # magic
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0, # version
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len(messages), # number of entries
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7 * 4, # start of key index
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7 * 4 + len(messages) * 8, # start of value index
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0, 0 # size and offset of hash table
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) + array.array("i", offsets).tostring() + ids + strs)
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