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babel.messages.pofile
~~~~~~~~~~~~~~~~~~~~~
Reading and writing of files in the ``gettext`` PO (portable object)
format.
:copyright: (c) 2013-2023 by the Babel Team.
:license: BSD, see LICENSE for more details.
) annotationsN)Iterable)
TYPE_CHECKING)Locale)CatalogMessage)_cmpwraptext)IOAnyStr)
SupportsWrite)Literalstringstrreturnc h d }t j d || dd S )zReverse `escape` the given string.
>>> print(unescape('"Say:\\n \\"hello, world!\\"\\n"'))
Say:
"hello, world!"
:param string: the string to unescape
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>>> print(denormalize(r'''""
... "Say:\n"
... " \"hello, world!\"\n"'''))
Say:
"hello, world!"
>>> print(denormalize(r'''""
... "Say:\n"
... " \"Lorem ipsum dolor sit "
... "amet, consectetur adipisicing"
... " elit, \"\n"'''))
Say:
"Lorem ipsum dolor sit amet, consectetur adipisicing elit, "
:param string: the string to denormalize
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ddZdS ) PoFileParserzSupport class to read messages from a ``gettext`` PO (portable object) file
and add them to a `Catalog`
See `read_po` for simple cases.
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Add a message to the catalog based on the current parser state and
clear the state ready to process the next message.
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Reads from the file-like object `fileobj` and adds any po file
units found in it to the `Catalog` supplied to the constructor.
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str | Nonerr rO r rs r c x t ||| }t ||| }| | |S )a Read messages from a ``gettext`` PO (portable object) file from the given
file-like object and return a `Catalog`.
>>> from datetime import datetime
>>> from io import StringIO
>>> buf = StringIO('''
... #: main.py:1
... #, fuzzy, python-format
... msgid "foo %(name)s"
... msgstr "quux %(name)s"
...
... # A user comment
... #. An auto comment
... #: main.py:3
... msgid "bar"
... msgid_plural "baz"
... msgstr[0] "bar"
... msgstr[1] "baaz"
... ''')
>>> catalog = read_po(buf)
>>> catalog.revision_date = datetime(2007, 4, 1)
>>> for message in catalog:
... if message.id:
... print((message.id, message.string))
... print(' ', (message.locations, sorted(list(message.flags))))
... print(' ', (message.user_comments, message.auto_comments))
(u'foo %(name)s', u'quux %(name)s')
([(u'main.py', 1)], [u'fuzzy', u'python-format'])
([], [])
((u'bar', u'baz'), (u'bar', u'baaz'))
([(u'main.py', 3)], [])
([u'A user comment'], [u'An auto comment'])
.. versionadded:: 1.0
Added support for explicit charset argument.
:param fileobj: the file-like object to read the PO file from
:param locale: the locale identifier or `Locale` object, or `None`
if the catalog is not bound to a locale (which basically
means it's a template)
:param domain: the message domain
:param ignore_obsolete: whether to ignore obsolete messages in the input
:param charset: the character set of the catalog.
:param abort_invalid: abort read if po file is invalid
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d z S ) zEscape the given string so that it can be included in double-quoted
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>>> escape('''Say:
... "hello, world!"
... ''')
'"Say:\\n \\"hello, world!\\"\\n"'
:param string: the string to escape
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>>> print(normalize('''Say:
... "hello, world!"
... ''', width=None))
""
"Say:\n"
" \"hello, world!\"\n"
>>> print(normalize('''Say:
... "Lorem ipsum dolor sit amet, consectetur adipisicing elit, "
... ''', width=32))
""
"Say:\n"
" \"Lorem ipsum dolor sit "
"amet, consectetur adipisicing"
" elit, \"\n"
:param string: the string to normalize
:param prefix: a string that should be prepended to every line
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to completely disable line wrapping
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"!$VF2J%7%7!8!81!>> catalog = Catalog()
>>> catalog.add(u'foo %(name)s', locations=[('main.py', 1)],
... flags=('fuzzy',))
>>> catalog.add((u'bar', u'baz'), locations=[('main.py', 3)])
>>> from io import BytesIO
>>> buf = BytesIO()
>>> write_po(buf, catalog, omit_header=True)
>>> print(buf.getvalue().decode("utf8"))
#: main.py:1
#, fuzzy, python-format
msgid "foo %(name)s"
msgstr ""
#: main.py:3
msgid "bar"
msgid_plural "baz"
msgstr[0] ""
msgstr[1] ""
:param fileobj: the file-like object to write to
:param catalog: the `Catalog` instance
:param width: the maximum line width for the generated output; use `None`,
0, or a negative number to completely disable line wrapping
:param no_location: do not emit a location comment for every message
:param omit_header: do not include the ``msgid ""`` entry at the top of the
output
:param sort_output: whether to sort the messages in the output by msgid
:param sort_by_file: whether to sort the messages in the output by their
locations
:param ignore_obsolete: whether to ignore obsolete messages and not include
them in the output; by default they are included as
comments
:param include_previous: include the old msgid as a comment when
updating the catalog
:param include_lineno: include line number in the location comment
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:return: list[Message]
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