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� � Z ee� d� � Zy)� )�ParseException)�col�replaced_by_pep8c �" � e Zd ZdZd� Zd� Zd� Zy)�OnlyOncezI
Wrapper for parse actions, to ensure they are only called once.
c �8 � ddl m} ||� | _ d| _ y )Nr )� _trim_arityF)�corer �callable�called)�self� method_callr s �3/usr/lib/python3/dist-packages/pyparsing/actions.py�__init__zOnlyOnce.__init__ s � �%�#�K�0��
��� � c �l � | j s | j |||� }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__ s7 � ��{�{��m�m�A�q�!�,�G� �D�K��N� �Q��#S�T�Tr c � � d| _ y)zK
Allow the associated parse action to be called once more.
FN)r )r
s r �resetzOnlyOnce.reset s � �
�� r N)�__name__�
__module__� __qualname__�__doc__r r r � r r r r s � �� � 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 �D �� t || � �k7 rt | |d�� �� �y )Nz matched token not at column )r r )�strg�locn�toks�ns �r �
verify_colz%match_only_at_col.<locals>.verify_col' s- �� � �t�T�?�a� � ��t�/K�A�3�-O�P� P� r r )r$ r% s ` r �match_only_at_colr& ! s �� � Q� �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"]
� r ���r )r r r s r �
remove_quotesr0 ? s � �
�Q�4��"�:�r c �| �� | r| dd �n|j � ��D ��cg c] \ }}||f�� c}}��fd�}|S c c}}w )aK
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 � �� �D ]N \ }}||vrt | |d|z � �|t j k7 s�.|| |k7 s�7t | |d|�d|| �d|��� � y )Nzno matching attribute z
attribute z has value z
, must be )r �with_attribute� ANY_VALUE)r r �tokens�attrName� attrValue�attrss �r �pazwith_attribute.<locals>.pa� s �� �#(� � �H�i��v�%�$�Q��+C�h�+N�O�O��N� 4� 4�4���9I�Y�9V�$��� �� �K��x�8H�7K�:�V_�Ub�c�� � r )�items)�args� attr_dict�k�vr9 r8 s @r r3 r3 P sG �� �r ��Q������!�� %� &���1�a��V� &�E� � �I��
's �8c �. � |r|� d�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 )r3 )� classname� namespace� classattrs r �
with_classrD � s( � �H )2�9�+�V�$�w�I� � 3�Y� � 2� 3�3r c � � y r) r r r r � replaceWithrF � s � �r c � � y r) r r r r � removeQuotesrH � s � �r c � � y r) r r r r �
withAttributerJ � s � �r c � � y r) r r r r � withClassrL � s � �r c � � y r) r r r r �matchOnlyAtColrN � s � �r N)� )�
exceptionsr �utilr r r r& r, r0 r3 �objectr4 rD rF rH rJ rL rN r r r �<module>rS s� �� '� '� � �4
�&�"�"J�Z "�8�� �%4�T �,� � � � ��-� � � !� ��.�!� � "� ��*� � � � ��#�$� � %� r