Mercurial > hgrepos > Python2 > PyMuPDF

annotate mupdf-source/thirdparty/gumbo-parser/setup.py @ 2:b50eed0cc0ef upstream

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ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4. The directory name has changed: no version number in the expanded directory now.
author Franz Glasner <fzglas.hg@dom66.de>
date Mon, 15 Sep 2025 11:43:07 +0200
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1 #!/usr/bin/env python
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2 import sys
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3 from setuptools import setup
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4 from setuptools.command.sdist import sdist
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6 _name_of_lib = 'libgumbo.so'
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7 if sys.platform.startswith('darwin'):
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8 _name_of_lib = 'libgumbo.dylib'
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9 elif sys.platform.startswith('win'):
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10 _name_of_lib = 'gumbo.dll'
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12 class CustomSdistCommand(sdist):
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13 """Customized Sdist command, to copy libgumbo.so into the Python directory
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14 so that it can be installed with `pip install`."""
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15 def run(self):
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16 try:
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17 import shutil
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18 shutil.copyfile('.libs/' + _name_of_lib,
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19 'python/gumbo/' + _name_of_lib)
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20 sdist.run(self)
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21 except IOError as e:
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22 print(e)
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25 README = '''Gumbo - A pure-C HTML5 parser.
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26 ==============================
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28 Gumbo is an implementation of the `HTML5 parsing algorithm <http://www.whatwg.org/specs/web-apps/current-work/multipage/#auto-toc-12>`_ implemented
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29 as a pure C99 library with no outside dependencies. It's designed to serve
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30 as a building block for other tools and libraries such as linters,
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31 validators, templating languages, and refactoring and analysis tools. This
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32 package contains the library itself, Python ctypes bindings for the library, and
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33 adapters for html5lib and BeautifulSoup (3.2) that give it the same API as those
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34 libaries.
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36 Goals & features:
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37 -----------------
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38
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39 - Robust and resilient to bad input.
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41 - Simple API that can be easily wrapped by other languages.
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43 - Support for source locations and pointers back to the original text.
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45 - Relatively lightweight, with no outside dependencies.
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47 - Passes all `html5lib-0.95 tests <https://github.com/html5lib/html5lib-tests>`_.
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48
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49 - Tested on over 2.5 billion pages from Google's index.
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50
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51 Non-goals:
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52 ----------
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53
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54 - Execution speed. Gumbo gains some of this by virtue of being written in
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55 C, but it is not an important consideration for the intended use-case, and
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56 was not a major design factor.
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57
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58 - Support for encodings other than UTF-8. For the most part, client code
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59 can convert the input stream to UTF-8 text using another library before
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60 processing.
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62 - Security. Gumbo was initially designed for a product that worked with
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63 trusted input files only. We're working to harden this and make sure that it
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64 behaves as expected even on malicious input, but for now, Gumbo should only be
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65 run on trusted input or within a sandbox.
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66
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67 - C89 support. Most major compilers support C99 by now; the major exception
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68 (Microsoft Visual Studio) should be able to compile this in C++ mode with
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69 relatively few changes. (Bug reports welcome.)
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71 Wishlist (aka "We couldn't get these into the original release, but are
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72 hoping to add them soon"):
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74 - Support for recent HTML5 spec changes to support the template tag.
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76 - Support for fragment parsing.
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78 - Full-featured error reporting.
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80 - Bindings in other languages.
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82 Installation
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83 ------------
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85 ```pip install gumbo``` should do it. If you have a local copy, ```python
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86 setup.py install``` from the root directory.
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88 The `html5lib <https://pypi.python.org/pypi/html5lib/0.999>`_ and
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89 `BeautifulSoup <https://pypi.python.org/pypi/BeautifulSoup/3.2.1>`_ adapters
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90 require that their respective libraries be installed separately to work.
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92 Basic Usage
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93 -----------
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95 For the ctypes bindings:
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97 .. code-block:: python
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99 import gumbo
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100
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101 with gumbo.parse(text) as output:
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102 root = output.contents.root.contents
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103 # root is a Node object representing the root of the parse tree
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104 # tree-walk over it as necessary.
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105
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106 For the BeautifulSoup bindings:
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107
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108 .. code-block:: python
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109
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110 import gumbo
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111
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112 soup = gumbo.soup_parse(text)
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113 # soup is a BeautifulSoup object representing the parse tree.
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114
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115 For the html5lib bindings:
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116
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117 .. code-block:: python
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118
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119 from gumbo import html5lib
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120
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121 doc = html5lib.parse(text[, treebuilder='lxml'])
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122
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123 Recommended best-practice for Python usage is to use one of the adapters to
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124 an existing API (personally, I prefer BeautifulSoup) and write your program
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125 in terms of those. The raw CTypes bindings should be considered building
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126 blocks for higher-level libraries and rarely referenced directly.
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127
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128 See the source code, Pydoc, and implementation of soup_adapter and
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129 html5lib_adapter for more information.
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130
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131 A note on API/ABI compatibility
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132 -------------------------------
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133
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134 We'll make a best effort to preserve API compatibility between releases.
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135 The initial release is a 0.9 (beta) release to solicit comments from early
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136 adopters, but if no major problems are found with the API, a 1.0 release
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137 will follow shortly, and the API of that should be considered stable. If
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138 changes are necessary, we follow [semantic versioning][].
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139
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140 We make no such guarantees about the ABI, and it's very likely that
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141 subsequent versions may require a recompile of client code. For this
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142 reason, we recommend NOT using Gumbo data structures throughout a program,
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143 and instead limiting them to a translation layer that picks out whatever
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144 data is needed from the parse tree and then converts that to persistent
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145 data structures more appropriate for the application. The API is
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146 structured to encourage this use, with a single delete function for the
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147 whole parse tree, and is not designed with mutation in mind.
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148
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149 Most of this is transparent to Python usage, as the Python adapters are all
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150 built with this in mind. However, since ctypes requires ABI compatibility, it
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151 does mean you'll have to re-deploy the gumboc library and C extension when
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152 upgrading to a new version.
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153 '''
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154
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155 CLASSIFIERS = [
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156 'Development Status :: 4 - Beta',
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157 'Intended Audience :: Developers',
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158 'License :: OSI Approved :: Apache Software License',
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159 'Operating System :: Unix',
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160 'Operating System :: POSIX :: Linux',
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161 'Programming Language :: C',
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162 'Programming Language :: Python',
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163 'Programming Language :: Python :: 2',
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164 'Programming Language :: Python :: 2.7',
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165 'Programming Language :: Python :: 3',
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166 'Programming Language :: Python :: 3.4',
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167 'Topic :: Software Development :: Libraries :: Python Modules',
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168 'Topic :: Text Processing :: Markup :: HTML'
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169 ]
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170
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171 setup(name='gumbo',
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172 version='0.10.1',
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173 description='Python bindings for Gumbo HTML parser',
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174 long_description=README,
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175 url='http://github.com/google/gumbo-parser',
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176 keywords='gumbo html html5 parser google html5lib beautifulsoup',
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177 author='Jonathan Tang',
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178 author_email='jonathan.d.tang@gmail.com',
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179 license='Apache 2.0',
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180 classifiers=CLASSIFIERS,
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181 packages=['gumbo'],
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182 package_dir={'': 'python'},
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183 package_data={'gumbo': [_name_of_lib]},
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184 cmdclass={ 'sdist': CustomSdistCommand },
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185 zip_safe=False)