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babel.messages.pofile
~~~~~~~~~~~~~~~~~~~~~
Reading and writing of files in the ``gettext`` PO (portable object)
format.
:copyright: (c) 2013-2019 by the Babel Team.
:license: BSD, see LICENSE for more details.
� )�print_functionN)�Catalog�Message)�wraptext)� text_type�cmpc C s" dd� }t �d��|| dd� �S )z�Reverse `escape` the given string.
>>> print(unescape('"Say:\\n \\"hello, world!\\"\\n"'))
Say:
"hello, world!"
<BLANKLINE>
:param string: the string to unescape
c S s2 | � d�}|dkr dS |dkrdS |dkrdS |S )N� �n�
�t� �r�
)�group)�match�m� r �7/usr/lib/python3/dist-packages/babel/messages/pofile.py�replace_escapes s
z!unescape.<locals>.replace_escapesz \\([\\trn"])r ���)�re�compile�sub)�stringr r r r �unescape s
r c C sB d| v r | � � }| �d�r|dd� }tt|�}d�|�S t| �S )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>
:param string: the string to denormalize
r
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startswith�mapr �join)r �
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r# c s e Zd ZdZ� fdd�Z� ZS )� PoFileErrorzDException thrown by PoParser when an invalid po file is encountered.c s0 t t| ��dj||d�� || _|| _|| _d S )Nz{message} on {lineno})�message�lineno)�superr$ �__init__�format�catalog�liner& )�selfr% r* r+ r& �� __class__r r r( N s
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dd� Zdd� ZdS )�_NormalizedStringc G s g | _ |D ]}| �|� qd S �N)�_strs�append)r, �args�argr r r r( W s �z_NormalizedString.__init__c C s | j �|�� � d S r5 )r6 r7 �strip)r, �sr r r r7 \ s z_NormalizedString.appendc C s d� tt| j��S )Nr )r r r r6 �r, r r r r# _ s z _NormalizedString.denormalizec C s
t | j�S r5 )�boolr6 r< r r r � __nonzero__b s
z _NormalizedString.__nonzero__c C s t j�| j�S r5 )�os�linesepr r6 r< r r r �__repr__g � z_NormalizedString.__repr__c C s |sdS t t| �t|��S )Nr )r r �r, �otherr r r �__cmp__j s z_NormalizedString.__cmp__c C s | � |�dkS �Nr �rE rC r r r �__gt__p rB z_NormalizedString.__gt__c C s | � |�dk S rF rG rC r r r �__lt__s rB z_NormalizedString.__lt__c C s | � |�dkS rF rG rC r r r �__ge__v rB z_NormalizedString.__ge__c C s | � |�dkS rF rG rC r r r �__le__y rB z_NormalizedString.__le__c C s | � |�dkS rF rG rC r r r �__eq__| rB z_NormalizedString.__eq__c C s | � |�dkS rF rG rC r r r �__ne__ rB z_NormalizedString.__ne__N)r/ r0 r1 r( r7 r# r> �__bool__rA rE rH rI rJ rK rL rM r r r r r4 U s r4 c @ sn e Zd ZdZg d�Zddd�Zdd� Zdd � Zd
d � Zdd d
�Z ddd�Z
dd� Z dd� Z dd� Z
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.
)�msgid�msgstr�msgctxt� msgid_pluralFc C s* || _ || _d| _d| _|| _| �� d S rF )r* �ignore_obsolete�counter�offset�
abort_invalid�_reset_message_state)r, r* rT rW r r r r( � s zPoFileParser.__init__c C sF g | _ g | _g | _g | _g | _g | _d | _d| _d| _d| _ d| _
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in_msgctxtr< r r r rX � s
z!PoFileParser._reset_message_statec
C s8 | j �� t| j�dkrtdd� | jD ��}n| jd �� }t|ttf�rRdd� t| j j
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�� }nd}t||t| j�t| j�| j| j| j d |d �}| jr�| js�|| j j|< n|| j |< | jd7 _| �� dS )
z�
Add a message to the catalog based on the current parser state and
clear the state ready to process the next message.
r c S s g | ]}|� � �qS r )r# )�.0r r r r �
<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)r& r_ )rZ �sort�lenrY �tupler# �
isinstance�list�ranger* � num_plurals�_invalid_pofilerV r_ r r[ �setr\ r^ r] r` rT rU rX )r, rP r �idx� translationrR r% r r r � _add_message� s6
� �
zPoFileParser._add_messagec C s | j r | �� d S d S r5 )rY rs r< r r r �_finish_current_message� s �z$PoFileParser._finish_current_messagec C s, |� d�r
| �||� d S | �|||� d S )N�")r �!_process_string_continuation_line�_process_keyword_line)r, r& r+ r` r r r �_process_message_line� s
z"PoFileParser._process_message_linec C sH | j D ],}z|�|�r |t|� dv r |t|�d � }W nW q ty/ | �||d� Y qw | �||d� d S |dv rA| �� || _|dkrK|| _|dv r_d| _d| _ | j
� t |�� d S |d kr�d| _ d| _
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�r�|d d � �d d �\}}| j� t|�t |�g� d S | j� d
t |�g� d S |dkr�d| _t |�| _d S d S )N)� �[z$Keyword must be followed by a stringz0Start of line didn't match any expected keyword.)rP rR rP )rP rS FTrQ rz r �]r rR )� _keywordsr ri �
IndexErrorro rt r` rV rc ra rY r7 r4 rb �splitrZ �intr_ )r, r& r+ r` �keywordr9 rq �msgr r r rw � s>
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�z"PoFileParser._process_keyword_linec C sV | j r | jd }n| jr| jd d }n| jr| j}n | �||d� d S |�|� d S )Nr r z<Got line starting with " but not in msgid, msgstr or msgctxt)ra rY rb rZ rc r_ ro r7 )r, r+ r& r; r r r rv � s z.PoFileParser._process_string_continuation_linec C s8 | � � |dd � �d�rP|dd � �� �� D ]6}|�d�}|dkrEz t||d d � �}W n ty7 Y qw | j�|d |� |f� q| j�|d f� qd S |dd � �d�rq|dd � �� �d�D ]
}| j �|�
� � qdd S |dd � �d�r�|dd � �
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rt r �lstripr~ �rfindr �
ValueErrorr[ r7 r\ r: r^ r] )r, r+ �location�posr& �flag�commentr r r �_process_comment s.
��
�� z PoFileParser._process_commentc C s� t |�D ]@\}}|�� }t|t�s|�| jj�}|sq|�d�r>|dd� �d�r8| j||dd� � � dd� q| �
|� q| �||� q| � � | j sm| j
sU| jsU| jro| j�td�� | j�d td�g� | �� dS dS dS )
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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�~r� T)r` r r )� enumerater: rk r �decoder* �charsetr rx r� r� rt rU r\ r] r^ rY r7 r4 rZ rs )r, �fileobjr& r+ r r r �parse$ s"
�zPoFileParser.parsec C s8 | j r t|| j||��td|� td�|d |�� d S )NzWARNING:z!WARNING: Problem on line {0}: {1}r )rW r$ r* �printr) )r, r+ r& r� r r r ro A s
z PoFileParser._invalid_pofileN)FF)F)r/ r0 r1 r2 r| r( rX rs rt rx rw rv r� r� ro r r r r rO � s
#
) rO Fc C s* t |||d�}t|||d�}|�| � |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 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.
:param abort_invalid: abort read if po file is invalid
)�locale�domainr� )rW )r rO r� )r� r� r� rT r� rW r* �parserr r r �read_poH 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 z\rr
z\nru z\")�replace)r r r r �escape� s �r� r �L c
s0 |rj|dkrjt � �}g }| �d�D ]W}t t|��| |krct�|�}|�� |rbg }d}|rXt t|d ��d | } || |k rL|�|�� � || 7 }n
|sU|�|�� � n|s.|�d�|�� |s(q|�|� qn| �d�}t |�dkryt| �S |r�|d s�|d= |d d7 < dd�� fd d
�|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
r Tr� r r r r
z""
c s g | ]}� t |� �qS r )r� )rd r+ ��prefixr r re � s z normalize.<locals>.<listcomp>) ri r r� �WORD_SEPr~ �reverser7 �popr )
r r� �width� prefixlenr" r+ �chunks�buf�size�lr r� r � normalize� s>
� �� �
r� Tc
sR d#�fdd� � ��fdd��d#��fdd� }
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|
js^|r8q0�j}�rX�dkrXg }|�� D ] }|t|�dd�7 }qGd�|�}�|d � |
jD ]}|
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y� |
j }Y nw |D ]#\}}|r�| r�|� d|� t
jd�|f � q�|� d|� t
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|� �q| |
d"d� �d� �q d
S d
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 rB z write_po.<locals>._normalizec s& t | t�r | �� jd�} ��| � d S )N�backslashreplace)rk r �encoder� �write)�text)r* r� r r �_write s
zwrite_po.<locals>._writec s> �r �dkr �}nd}t | |�D ] }� d||�� f � qd S )Nr r� z#%s %s
)r r: )r� r� �_widthr+ )r� r� r r �_write_comment s �z write_po.<locals>._write_commentc s t | jttf�r\| jr�d|� | j|�f � �d|� | jd |�f � �d|� | jd |�f � t�j�D ]!}z| j| }W n tyL d}Y nw �d||� ||�f � q8d S | jrk�d|� | j|�f � �d|� | j|�f � �d|� | jpd|�f � d S ) Nz
%smsgctxt %s
z %smsgid %s
r z%smsgid_plural %s
r r z%smsgstr[%d] %s
z %smsgstr %s
) rk �idrl rj r_ rm rn r r} )r% r� rq r )r� r� r* r r �_write_message s6
� � �
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� �z write_po.<locals>._write_messageNr% r� )�sort_byr z# )r� �subsequent_indentr
r� r� c S s" | d t | d t�r| d pdfS )Nr r r )rk r )�xr r r �<lambda>O s " zwrite_po.<locals>.<lambda>�r� z%s:%d�/z%sry r� z#%s
z, zmsgid %s�|r zmsgid_plural %sz#~ rf )�_sort_messagesr� �header_commentr r r r] r^ �sortedr[ � TypeErrorr7 r� r? �sepr\ � previous_idri r` �values)r� r* r� � no_location� omit_header� sort_output� sort_by_filerT �include_previous�include_linenor� r� r� r% �comment_headerr" r+ r� �locsr[ �filenamer& r )r� r� r* r� r� r �write_po� s� .
�
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�r� c C s8 t | �} |dkr| �� | S |dkr| 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]
r% r� c S s | j S r5 )r[ )r r r r r� � s z _sort_messages.<locals>.<lambda>r� )rl rh )rY r� r r r r� r s
�r� )NNFNF)r r� )r� FFFFFFT)r2 �
__future__r r? r �babel.messages.catalogr r �
babel.utilr �
babel._compatr r r r# � Exceptionr$ �objectr4 rO r� r r� r� r� r� r� r r r r �<module> s. /
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