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babel.messages.pofile
~~~~~~~~~~~~~~~~~~~~~
Reading and writing of files in the ``gettext`` PO (portable object)
format.
:copyright: (c) 2013 by the Babel Team.
:license: BSD, see LICENSE for more details.
� )�print_functionN)�Catalog�Message)�wraptext)� text_typec C s" dd� }t �d��|| dd� �S )z�Reverse `escape` the given string.
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Say:
"hello, world!"
<BLANKLINE>
:param string: the string to unescape
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r c C sF d| kr:| � � }| �d�r&|dd� }tt|�}d�|�S t| �S dS )a� Reverse the normalization done by the `normalize` function.
>>> print(denormalize(r'''""
... "Say:\n"
... " \"hello, world!\"\n"'''))
Say:
"hello, world!"
<BLANKLINE>
>>> print(denormalize(r'''""
... "Say:\n"
... " \"Lorem ipsum dolor sit "
... "amet, consectetur adipisicing"
... " elit, \"\n"'''))
Say:
"Lorem ipsum dolor sit amet, consectetur adipisicing elit, "
<BLANKLINE>
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dd� ZdS ) � PoFileParserz�Support 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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<listcomp>� s z-PoFileParser._add_message.<locals>.<listcomp>r c S s g | ]}d �qS )r r )rD �_r r r rE � s r z5msg has more translations than num_plurals of catalogN)�linenor? )r: �sort�lenr9 �tupler �
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zPoFileParser._add_messagec C s | j r| �� d S )N)r9 rS )r$ r r r �_finish_current_message� s z$PoFileParser._finish_current_messagec C s* |� d�r| �||� n| �|||� d S )N�")r �!_process_string_continuation_line�_process_keyword_line)r$ rG �liner@ r r r �_process_message_line� s
z"PoFileParser._process_message_linec C s xL| j D ]0}|�|�r|t|� dkr|t|�d � }P qW | �||d� d S |dkr^| �� || _|dkrr|| _|dkr�d| _d| _| j �
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k�rd| _t |�| _d S )N)� �[z0Start of line didn't match any expected keyword.)r0 r2 r0 )r0 r3 FTr1 r[ r �]r r2 )� _keywordsr rI rO rT r@ r7 rC rA r9 r# r! rB �splitr: �intr? )r$ rG rX r@ �keywordr& rQ �msgr r r rW � s2
z"PoFileParser._process_keyword_linec C sV | j r| jd }n6| jr(| jd d }n | jr6| j}n| �||d� d S |�|� d S )Nr r z<Got line starting with " but not in msgid, msgstr or msgctxt)rA r9 rB r: rC r? rO r# )r$ rX rG r) r r r rV � s z.PoFileParser._process_string_continuation_linec C s> | � � |dd � �d�r�x�|dd � �� �� D ]p}|�d�}|dkr�yt||d d � �}W n tk
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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.
�#r N�~rc T)r@ z""r )� enumerater( rK r �decoder4 �charsetr rY rf rm rT r6 r< r= r> r9 r# r! r: rS )r$ �fileobjrG rX r r r �parse� s
zPoFileParser.parsec C s" t d|� t d�|d |�� d S )NzWARNING:z!WARNING: Problem on line {0}: {1}r )�print�format)r$ rX rG ra r r r rO s
z PoFileParser._invalid_pofileN)F)F)F)r, r- r. �__doc__r] r' r8 rS rT rY rW rV rm rt rO r r r r r/ ] s
#
& r/ Fc C s& t |||d�}t||�}|�| � |S )aT Read messages from a ``gettext`` PO (portable object) file from the given
file-like object and return a `Catalog`.
>>> from datetime import datetime
>>> from babel._compat 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.
)�locale�domainrr )r r/ rt )rs rx ry r5 rr r4 �parserr r r �read_po s .
r{ zL(\s+|[^\s\w]*\w+[a-zA-Z]-(?=\w+[a-zA-Z])|(?<=[\w\!\"\'\&\.\,\?])-{2,}(?=\w))c C s0 d| � dd�� dd�� dd�� dd �� d
d � S ) z�Escape the given string so that it can be included in double-quoted
strings in ``PO`` files.
>>> escape('''Say:
... "hello, world!"
... ''')
'"Say:\\n \\"hello, world!\\"\\n"'
:param string: the string to escape
z"%s"�\z\\r z\tr
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�|D �� S ) a� Convert a string into a format that is appropriate for .po files.
>>> 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
:param width: the maximum line width; use `None`, 0, or a negative number
to completely disable line wrapping
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c s g | ]}� t |� �qS r )r~ )rD rX )�prefixr r rE � s z normalize.<locals>.<listcomp>) rI r r~ �WORD_SEPr^ �reverser# �popr )
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S )#a� Write a ``gettext`` PO (portable object) template file for a given
message catalog to the provided file-like object.
>>> catalog = Catalog()
>>> catalog.add(u'foo %(name)s', locations=[('main.py', 1)],
... flags=('fuzzy',))
<Message...>
>>> catalog.add((u'bar', u'baz'), locations=[('main.py', 3)])
<Message...>
>>> from babel._compat 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 ""
<BLANKLINE>
#: main.py:3
msgid "bar"
msgid_plural "baz"
msgstr[0] ""
msgstr[1] ""
<BLANKLINE>
<BLANKLINE>
: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
r c s t | |� d�S )N)r� r� )r� )�keyr� )r� r r �
_normalize� s z write_po.<locals>._normalizec s& t | t�r| �� jd�} ��| � d S )N�backslashreplace)rK r �encoderr �write)�text)r4 rs r r �_write� s
zwrite_po.<locals>._writec sB �r�dkr�}nd}x&t | |�D ]}� d||�� f � q"W d S )Nr r z#%s %s
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r� d}Y nX �d||� ||�f � qrW nT| jrڈd|� | j|�f � �d|� | j|�f � �d|� | j�pd|�f � d S ) Nz
%smsgctxt %s
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z write_po.<locals>._write_messageNrR ri )�sort_byr z# )r� Zsubsequent_indentr re )r� z%s:%d�/z%srZ rb z#%s
z, zmsgid %s�|r zmsgid_plural %sz#~ )r )r )r )�_sort_messagesr� Zheader_commentr r r r= r> �sortedr; r# r} �os�sepr< Z previous_idrI r@ �values)rs r4 r� Z no_locationZ omit_headerZ sort_outputZ sort_by_filer5 Zinclude_previousZinclude_linenor� r� r� rR Zcomment_headerr rX rl Zlocs�filenamerG r )r� r� r4 rs r� r �write_po� sf .
r� c C s6 t | �} |dkr| �� n|dkr2| jdd� d� | S )z�
Sort the given message iterable by the given criteria.
Always returns a list.
:param messages: An iterable of Messages.
:param sort_by: Sort by which criteria? Options are `message` and `location`.
:return: list[Message]
rR ri c S s | j S )N)r; )r r r r �<lambda>G � z _sort_messages.<locals>.<lambda>)r� )rL rH )r9 r� r r r r� 9 s
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