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authorÉric Araujo <merwok@netwok.org>2012-06-24 04:07:41 (GMT)
committerÉric Araujo <merwok@netwok.org>2012-06-24 04:07:41 (GMT)
commit859aad6a36262383b98ddd45fe3253a882b87ce8 (patch)
tree1cc50af4fc88c650fe997a2e72f5f26d92a1986c /Lib/packaging/compiler/extension.py
parentdc44f55cc9dc1d016799362c344958baab328ff4 (diff)
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Remove packaging from the standard library.
Distutils2 will live on on PyPI and be included in the stdlib when it is ready. See discussion starting at http://mail.python.org/pipermail/python-dev/2012-June/120430.html
Diffstat (limited to 'Lib/packaging/compiler/extension.py')
-rw-r--r--Lib/packaging/compiler/extension.py121
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diff --git a/Lib/packaging/compiler/extension.py b/Lib/packaging/compiler/extension.py
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-"""Class representing C/C++ extension modules."""
-
-from packaging import logger
-
-# This class is really only used by the "build_ext" command, so it might
-# make sense to put it in distutils.command.build_ext. However, that
-# module is already big enough, and I want to make this class a bit more
-# complex to simplify some common cases ("foo" module in "foo.c") and do
-# better error-checking ("foo.c" actually exists).
-#
-# Also, putting this in build_ext.py means every setup script would have to
-# import that large-ish module (indirectly, through distutils.core) in
-# order to do anything.
-
-
-class Extension:
- """Just a collection of attributes that describes an extension
- module and everything needed to build it (hopefully in a portable
- way, but there are hooks that let you be as unportable as you need).
-
- Instance attributes:
- name : string
- the full name of the extension, including any packages -- ie.
- *not* a filename or pathname, but Python dotted name
- sources : [string]
- list of source filenames, relative to the distribution root
- (where the setup script lives), in Unix form (slash-separated)
- for portability. Source files may be C, C++, SWIG (.i),
- platform-specific resource files, or whatever else is recognized
- by the "build_ext" command as source for a Python extension.
- include_dirs : [string]
- list of directories to search for C/C++ header files (in Unix
- form for portability)
- define_macros : [(name : string, value : string|None)]
- list of macros to define; each macro is defined using a 2-tuple,
- where 'value' is either the string to define it to or None to
- define it without a particular value (equivalent of "#define
- FOO" in source or -DFOO on Unix C compiler command line)
- undef_macros : [string]
- list of macros to undefine explicitly
- library_dirs : [string]
- list of directories to search for C/C++ libraries at link time
- libraries : [string]
- list of library names (not filenames or paths) to link against
- runtime_library_dirs : [string]
- list of directories to search for C/C++ libraries at run time
- (for shared extensions, this is when the extension is loaded)
- extra_objects : [string]
- list of extra files to link with (eg. object files not implied
- by 'sources', static library that must be explicitly specified,
- binary resource files, etc.)
- extra_compile_args : [string]
- any extra platform- and compiler-specific information to use
- when compiling the source files in 'sources'. For platforms and
- compilers where "command line" makes sense, this is typically a
- list of command-line arguments, but for other platforms it could
- be anything.
- extra_link_args : [string]
- any extra platform- and compiler-specific information to use
- when linking object files together to create the extension (or
- to create a new static Python interpreter). Similar
- interpretation as for 'extra_compile_args'.
- export_symbols : [string]
- list of symbols to be exported from a shared extension. Not
- used on all platforms, and not generally necessary for Python
- extensions, which typically export exactly one symbol: "init" +
- extension_name.
- swig_opts : [string]
- any extra options to pass to SWIG if a source file has the .i
- extension.
- depends : [string]
- list of files that the extension depends on
- language : string
- extension language (i.e. "c", "c++", "objc"). Will be detected
- from the source extensions if not provided.
- optional : boolean
- specifies that a build failure in the extension should not abort the
- build process, but simply not install the failing extension.
- """
-
- # **kwargs are allowed so that a warning is emitted instead of an
- # exception
- def __init__(self, name, sources, include_dirs=None, define_macros=None,
- undef_macros=None, library_dirs=None, libraries=None,
- runtime_library_dirs=None, extra_objects=None,
- extra_compile_args=None, extra_link_args=None,
- export_symbols=None, swig_opts=None, depends=None,
- language=None, optional=None, **kw):
- if not isinstance(name, str):
- raise AssertionError("'name' must be a string")
-
- if not isinstance(sources, list):
- raise AssertionError("'sources' must be a list of strings")
-
- for v in sources:
- if not isinstance(v, str):
- raise AssertionError("'sources' must be a list of strings")
-
- self.name = name
- self.sources = sources
- self.include_dirs = include_dirs or []
- self.define_macros = define_macros or []
- self.undef_macros = undef_macros or []
- self.library_dirs = library_dirs or []
- self.libraries = libraries or []
- self.runtime_library_dirs = runtime_library_dirs or []
- self.extra_objects = extra_objects or []
- self.extra_compile_args = extra_compile_args or []
- self.extra_link_args = extra_link_args or []
- self.export_symbols = export_symbols or []
- self.swig_opts = swig_opts or []
- self.depends = depends or []
- self.language = language
- self.optional = optional
-
- # If there are unknown keyword options, warn about them
- if len(kw) > 0:
- options = [repr(option) for option in kw]
- options = ', '.join(sorted(options))
- logger.warning(
- 'unknown arguments given to Extension: %s', options)