# -*- coding: utf-8 -*-
# module pyparsing.py
#
# Copyright (c) 2003-2019 Paul T. McGuire
#
# Permission is hereby granted, free of charge, to any person obtaining
# a copy of this software and associated documentation files (the
# "Software"), to deal in the Software without restriction, including
# without limitation the rights to use, copy, modify, merge, publish,
# distribute, sublicense, and/or sell copies of the Software, and to
# permit persons to whom the Software is furnished to do so, subject to
# the following conditions:
#
# The above copyright notice and this permission notice shall be
# included in all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
# IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
# CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
# TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
# SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
#
__doc__ = \
"""
pyparsing module - Classes and methods to define and execute parsing grammars
=============================================================================
The pyparsing module is an alternative approach to creating and
executing simple grammars, vs. the traditional lex/yacc approach, or the
use of regular expressions. With pyparsing, you don't need to learn
a new syntax for defining grammars or matching expressions - the parsing
module provides a library of classes that you use to construct the
grammar directly in Python.
Here is a program to parse "Hello, World!" (or any greeting of the form
``"<salutation>, <addressee>!"``), built up using :class:`Word`,
:class:`Literal`, and :class:`And` elements
(the :class:`'+'<ParserElement.__add__>` operators create :class:`And` expressions,
and the strings are auto-converted to :class:`Literal` expressions)::
from pip._vendor.pyparsing import Word, alphas
# define grammar of a greeting
greet = Word(alphas) + "," + Word(alphas) + "!"
hello = "Hello, World!"
print (hello, "->", greet.parseString(hello))
The program outputs the following::
Hello, World! -> ['Hello', ',', 'World', '!']
The Python representation of the grammar is quite readable, owing to the
self-explanatory class names, and the use of '+', '|' and '^' operators.
The :class:`ParseResults` object returned from
:class:`ParserElement.parseString` can be
accessed as a nested list, a dictionary, or an object with named
attributes.
The pyparsing module handles some of the problems that are typically
vexing when writing text parsers:
- extra or missing whitespace (the above program will also handle
"Hello,World!", "Hello , World !", etc.)
- quoted strings
- embedded comments
Getting Started -
-----------------
Visit the classes :class:`ParserElement` and :class:`ParseResults` to
see the base classes that most other pyparsing
classes inherit from. Use the docstrings for examples of how to:
- construct literal match expressions from :class:`Literal` and
:class:`CaselessLiteral` classes
- construct character word-group expressions using the :class:`Word`
class
- see how to create repetitive expressions using :class:`ZeroOrMore`
and :class:`OneOrMore` classes
- use :class:`'+'<And>`, :class:`'|'<MatchFirst>`, :class:`'^'<Or>`,
and :class:`'&'<Each>` operators to combine simple expressions into
more complex ones
- associate names with your parsed results using
:class:`ParserElement.setResultsName`
- access the parsed data, which is returned as a :class:`ParseResults`
object
- find some helpful expression short-cuts like :class:`delimitedList`
and :class:`oneOf`
- find more useful common expressions in the :class:`pyparsing_common`
namespace class
"""
__version__ = "2.4.7"
__versionTime__ = "30 Mar 2020 00:43 UTC"
__author__ = "Paul McGuire <ptmcg@users.sourceforge.net>"
import string
from weakref import ref as wkref
import copy
import sys
import warnings
import re
import sre_constants
import collections
import pprint
import traceback
import types
from datetime import datetime
from operator import itemgetter
import itertools
from functools import wraps
from contextlib import contextmanager
try:
# Python 3
from itertools import filterfalse
except ImportError:
from itertools import ifilterfalse as filterfalse
try:
from _thread import RLock
except ImportError:
from threading import RLock
try:
# Python 3
from collections.abc import Iterable
from collections.abc import MutableMapping, Mapping
except ImportError:
# Python 2.7
from collections import Iterable
from collections import MutableMapping, Mapping
try:
from collections import OrderedDict as _OrderedDict
except ImportError:
try:
from ordereddict import OrderedDict as _OrderedDict
except ImportError:
_OrderedDict = None
try:
from types import SimpleNamespace
except ImportError:
class SimpleNamespace: pass
# version compatibility configuration
__compat__ = SimpleNamespace()
__compat__.__doc__ = """
A cross-version compatibility configuration for pyparsing features that will be
released in a future version. By setting values in this configuration to True,
those features can be enabled in prior versions for compatibility development
and testing.
- collect_all_And_tokens - flag to enable fix for Issue #63 that fixes erroneous grouping
of results names when an And expression is nested within an Or or MatchFirst; set to
True to enable bugfix released in pyparsing 2.3.0, or False to preserve
pre-2.3.0 handling of named results
"""
__compat__.collect_all_And_tokens = True
__diag__ = SimpleNamespace()
__diag__.__doc__ = """
Diagnostic configuration (all default to False)
- warn_multiple_tokens_in_named_alternation - flag to enable warnings when a results
name is defined on a MatchFirst or Or expression with one or more And subexpressions
(only warns if __compat__.collect_all_And_tokens is False)
- warn_ungrouped_named_tokens_in_collection - flag to enable warnings when a results
name is defined on a containing expression with ungrouped subexpressions that also
have results names
- warn_name_set_on_empty_Forward - flag to enable warnings whan a Forward is defined
with a results name, but has no contents defined
- warn_on_multiple_string_args_to_oneof - flag to enable warnings whan oneOf is
incorrectly called with multiple str arguments
- enable_debug_on_named_expressions - flag to auto-enable debug on all subsequent
calls to ParserElement.setName()
"""
__diag__.warn_multiple_tokens_in_named_alternation = False
__diag__.warn_ungrouped_named_tokens_in_collection = False
__diag__.warn_name_set_on_empty_Forward = False
__diag__.warn_on_multiple_string_args_to_oneof = False
__diag__.enable_debug_on_named_expressions = False
__diag__._all_names = [nm for nm in vars(__diag__) if nm.startswith("enable_") or nm.startswith("warn_")]
def _enable_all_warnings():
__diag__.warn_multiple_tokens_in_named_alternation = True
__diag__.warn_ungrouped_named_tokens_in_collection = True
__diag__.warn_name_set_on_empty_Forward = True
__diag__.warn_on_multiple_string_args_to_oneof = True
__diag__.enable_all_warnings = _enable_all_warnings
__all__ = ['__version__', '__versionTime__', '__author__', '__compat__', '__diag__',
'And', 'CaselessKeyword', 'CaselessLiteral', 'CharsNotIn', 'Combine', 'Dict', 'Each', 'Empty',
'FollowedBy', 'Forward', 'GoToColumn', 'Group', 'Keyword', 'LineEnd', 'LineStart', 'Literal',
'PrecededBy', 'MatchFirst', 'NoMatch', 'NotAny', 'OneOrMore', 'OnlyOnce', 'Optional', 'Or',
'ParseBaseException', 'ParseElementEnhance', 'Pars
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python3-3.6.8-18.el7.x86-64 中使用的第三方插件 (1248个子文件)
libharfbuzz-a69be65e.so.0.30000.0 2.79MB
libfreetype-804dfcff.so.6.18.0 1.34MB
libtiff-9ffe9659.so.5.7.0 674KB
libopenjp2-430a98fc.so.2.4.0 520KB
libpng16-213e245f.so.16.37.0 277KB
libjpeg-183418da.so.9.4.0 245KB
libxcb-1122e22b.so.1.1.0 238KB
libXau-00ec42fe.so.6.0.0 17KB
libz-dd453c56.so.1.2.11 126KB
liblcms2-035b9744.so.2.0.12 471KB
libwebp-d8a3db66.so.7.1.2 627KB
liblzma-d540a118.so.5.2.5 216KB
libwebpmux-fe44437b.so.3.0.7 53KB
libwebpdemux-f117ddb4.so.2.0.8 29KB
sysconfig.cfg 3KB
t64-arm.exe 177KB
w64-arm.exe 163KB
t64.exe 104KB
w64.exe 98KB
t32.exe 95KB
w32.exe 88KB
INSTALLER 4B
INSTALLER 4B
INSTALLER 4B
INSTALLER 4B
INSTALLER 4B
INSTALLER 4B
INSTALLER 4B
LICENSE 27KB
LICENSE 10KB
LICENSE 1KB
LICENSE 1KB
LICENSE.md 1KB
METADATA 47KB
METADATA 11KB
METADATA 10KB
METADATA 7KB
METADATA 5KB
METADATA 4KB
METADATA 3KB
not-zip-safe 1B
cacert.pem 269KB
cacert.pem 253KB
PKG-INFO 58KB
pyparsing.py 267KB
uts46data.py 202KB
uts46data.py 197KB
client.py 150KB
langrussianmodel.py 128KB
Image.py 119KB
html5parser.py 114KB
__init__.py 106KB
langbulgarianmodel.py 103KB
langthaimodel.py 101KB
langhungarianmodel.py 100KB
langgreekmodel.py 97KB
langhebrewmodel.py 96KB
langturkishmodel.py 94KB
tarfile.py 90KB
constants.py 82KB
_tokenizer.py 75KB
TiffImagePlugin.py 71KB
util.py 66KB
locators.py 51KB
database.py 50KB
distro.py 47KB
ImageFont.py 44KB
idnadata.py 43KB
PngImagePlugin.py 43KB
wheel.py 42KB
idnadata.py 41KB
compat.py 41KB
connectionpool.py 38KB
metadata.py 38KB
fallback.py 37KB
connectionpool.py 37KB
ImageCms.py 36KB
package_finder.py 35KB
models.py 34KB
models.py 34KB
six.py 34KB
six.py 34KB
PdfParser.py 34KB
six.py 34KB
securetransport.py 34KB
securetransport.py 34KB
ImageDraw.py 33KB
req_install.py 33KB
utils.py 32KB
_inputstream.py 32KB
euctwfreq.py 31KB
utils.py 31KB
big5freq.py 31KB
specifiers.py 30KB
response.py 30KB
GifImagePlugin.py 30KB
sessions.py 29KB
sessions.py 29KB
JpegImagePlugin.py 28KB
cmdoptions.py 28KB
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