AlkantarClanX12
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Wrapper for parse actions, to ensure they are only called once.
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��� � � � c �r � | j s | � |||� � }d| _ |S t ||d� � �)NTz.OnlyOnce obj called multiple times w/out reset)r r
r )r �s�l�t�resultss r �__call__zOnlyOnce.__call__ s@ � ��{� ��m�m�A�q�!�,�,�G� �D�K��N� �Q��#S�T�T�Tr c � � d| _ dS )zK
Allow the associated parse action to be called once more.
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__module__� __qualname__�__doc__r r r � r r r r sN � � � � � �� � � � � U� U� U� � � � � r r c � � � � fd�}|S )zt
Helper method for defining parse actions that require matching at
a specific column in the input text.
c �x �� t || � � �k r$t | |d� �� � � � �d S )Nz matched token not at column {})r r �format)�strg�locn�toks�ns �r �
verify_colz%match_only_at_col.<locals>.verify_col' s@ �� � �t�T�?�?�a� � � ��t�-M�-T�-T�UV�-W�-W�X�X� X� � r r )r$ r% s ` r �match_only_at_colr& ! s) �� � Y� Y� Y� Y� Y� �r c � � � � fd�S )a�
Helper method for common parse actions that simply return
a literal value. Especially useful when used with
:class:`transform_string<ParserElement.transform_string>` ().
Example::
num = Word(nums).set_parse_action(lambda toks: int(toks[0]))
na = one_of("N/A NA").set_parse_action(replace_with(math.nan))
term = na | num
term[1, ...].parse_string("324 234 N/A 234") # -> [324, 234, nan, 234]
c �
�� �gS )Nr )r r r �repl_strs �r �<lambda>z replace_with.<locals>.<lambda>< s �� �H�:� r r )r) s `r � replace_withr+ . s �� � &� %� %� %�%r c �" � |d dd� S )a#
Helper parse action for removing quotation marks from parsed
quoted strings.
Example::
# by default, quotation marks are included in parsed results
quoted_string.parse_string("'Now is the Winter of our Discontent'") # -> ["'Now is the Winter of our Discontent'"]
# use remove_quotes to strip quotation marks from parsed results
quoted_string.set_parse_action(remove_quotes)
quoted_string.parse_string("'Now is the Winter of our Discontent'") # -> ["Now is the Winter of our Discontent"]
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remove_quotesr/ ? s � �
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Helper to create a validating parse action to be used with start
tags created with :class:`make_xml_tags` or
:class:`make_html_tags`. Use ``with_attribute`` to qualify
a starting tag with a required attribute value, to avoid false
matches on common tags such as ``<TD>`` or ``<DIV>``.
Call ``with_attribute`` with a series of attribute names and
values. Specify the list of filter attributes names and values as:
- keyword arguments, as in ``(align="right")``, or
- as an explicit dict with ``**`` operator, when an attribute
name is also a Python reserved word, as in ``**{"class":"Customer", "align":"right"}``
- a list of name-value tuples, as in ``(("ns1:class", "Customer"), ("ns2:align", "right"))``
For attribute names with a namespace prefix, you must use the second
form. Attribute names are matched insensitive to upper/lower case.
If just testing for ``class`` (with or without a namespace), use
:class:`with_class`.
To verify that the attribute exists, but without specifying a value,
pass ``with_attribute.ANY_VALUE`` as the value.
Example::
html = '''
<div>
Some text
<div type="grid">1 4 0 1 0</div>
<div type="graph">1,3 2,3 1,1</div>
<div>this has no type</div>
</div>
'''
div,div_end = make_html_tags("div")
# only match div tag having a type attribute with value "grid"
div_grid = div().set_parse_action(with_attribute(type="grid"))
grid_expr = div_grid + SkipTo(div | div_end)("body")
for grid_header in grid_expr.search_string(html):
print(grid_header.body)
# construct a match with any div tag having a type attribute, regardless of the value
div_any_type = div().set_parse_action(with_attribute(type=with_attribute.ANY_VALUE))
div_expr = div_any_type + SkipTo(div | div_end)("body")
for div_header in div_expr.search_string(html):
print(div_header.body)
prints::
1 4 0 1 0
1 4 0 1 0
1,3 2,3 1,1
Nc � � g | ] \ }}||f��
S r r )�.0�k�vs r �
<listcomp>z"with_attribute.<locals>.<listcomp>� s � � &� &� &���1�a��V� &� &� &r c
�� �� �D ]e\ }}||vrt | |d|z � � �|t j k r8|| |k r,t | |d� ||| |� � � � ��fd S )Nzno matching attribute z+attribute {!r} has value {!r}, must be {!r})r �with_attribute� ANY_VALUEr )r r �tokens�attrName� attrValue�attrss �r �pazwith_attribute.<locals>.pa� s� �� �#(�
�
� �H�i��v�%�%�$�Q��+C�h�+N�O�O�O��N� 4�4�4���9I�Y�9V�9V�$���A�H�H� �&��"2�I�� �� � ��
�
r )�items)�args� attr_dictr= r< s @r r7 r7 P s_ �� �r � "��Q�Q�Q�������!�!�� &� &�� &� &� &�E� � � � � � �Ir � c �P � |rd� |� � nd}t di || i��S )a�
Simplified version of :class:`with_attribute` when
matching on a div class - made difficult because ``class`` is
a reserved word in Python.
Example::
html = '''
<div>
Some text
<div class="grid">1 4 0 1 0</div>
<div class="graph">1,3 2,3 1,1</div>
<div>this <div> has no class</div>
</div>
'''
div,div_end = make_html_tags("div")
div_grid = div().set_parse_action(with_class("grid"))
grid_expr = div_grid + SkipTo(div | div_end)("body")
for grid_header in grid_expr.search_string(html):
print(grid_header.body)
div_any_type = div().set_parse_action(with_class(withAttribute.ANY_VALUE))
div_expr = div_any_type + SkipTo(div | div_end)("body")
for div_header in div_expr.search_string(html):
print(div_header.body)
prints::
1 4 0 1 0
1 4 0 1 0
1,3 2,3 1,1
z{}:class�classr )r r7 )� classname� namespace� classattrs r �
with_classrG � s; � �H 1:�F�
�!�!�)�,�,�,�w�I� � 3� 3�Y� � 2� 3� 3�3r N)rA )�
exceptionsr �utilr r r& r+ r/ r7 �objectr8 rG � replaceWith� removeQuotes�
withAttribute� withClass�matchOnlyAtColr r r �<module>rP s� �� '� &� &� &� &� &� � � � � � � � � � � � � � �4
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