These files are a subset of the python-2.7.2.tgz distribution from python.org. Changed files from PyMod-2.7.2 have been copied into the corresponding directories of this tree, replacing the original files in the distribution. Signed-off-by: daryl.mcdaniel@intel.com git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@13197 6f19259b-4bc3-4df7-8a09-765794883524
		
			
				
	
	
		
			394 lines
		
	
	
		
			16 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
			
		
		
	
	
			394 lines
		
	
	
		
			16 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
| """distutils.command.build_py
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| 
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| Implements the Distutils 'build_py' command."""
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| 
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| __revision__ = "$Id$"
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| 
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| import os
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| import sys
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| from glob import glob
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| 
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| from distutils.core import Command
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| from distutils.errors import DistutilsOptionError, DistutilsFileError
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| from distutils.util import convert_path
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| from distutils import log
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| 
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| class build_py(Command):
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| 
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|     description = "\"build\" pure Python modules (copy to build directory)"
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| 
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|     user_options = [
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|         ('build-lib=', 'd', "directory to \"build\" (copy) to"),
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|         ('compile', 'c', "compile .py to .pyc"),
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|         ('no-compile', None, "don't compile .py files [default]"),
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|         ('optimize=', 'O',
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|          "also compile with optimization: -O1 for \"python -O\", "
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|          "-O2 for \"python -OO\", and -O0 to disable [default: -O0]"),
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|         ('force', 'f', "forcibly build everything (ignore file timestamps)"),
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|         ]
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| 
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|     boolean_options = ['compile', 'force']
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|     negative_opt = {'no-compile' : 'compile'}
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| 
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|     def initialize_options(self):
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|         self.build_lib = None
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|         self.py_modules = None
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|         self.package = None
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|         self.package_data = None
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|         self.package_dir = None
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|         self.compile = 0
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|         self.optimize = 0
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|         self.force = None
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| 
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|     def finalize_options(self):
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|         self.set_undefined_options('build',
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|                                    ('build_lib', 'build_lib'),
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|                                    ('force', 'force'))
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| 
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|         # Get the distribution options that are aliases for build_py
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|         # options -- list of packages and list of modules.
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|         self.packages = self.distribution.packages
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|         self.py_modules = self.distribution.py_modules
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|         self.package_data = self.distribution.package_data
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|         self.package_dir = {}
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|         if self.distribution.package_dir:
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|             for name, path in self.distribution.package_dir.items():
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|                 self.package_dir[name] = convert_path(path)
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|         self.data_files = self.get_data_files()
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| 
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|         # Ick, copied straight from install_lib.py (fancy_getopt needs a
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|         # type system!  Hell, *everything* needs a type system!!!)
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|         if not isinstance(self.optimize, int):
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|             try:
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|                 self.optimize = int(self.optimize)
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|                 assert 0 <= self.optimize <= 2
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|             except (ValueError, AssertionError):
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|                 raise DistutilsOptionError("optimize must be 0, 1, or 2")
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| 
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|     def run(self):
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|         # XXX copy_file by default preserves atime and mtime.  IMHO this is
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|         # the right thing to do, but perhaps it should be an option -- in
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|         # particular, a site administrator might want installed files to
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|         # reflect the time of installation rather than the last
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|         # modification time before the installed release.
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| 
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|         # XXX copy_file by default preserves mode, which appears to be the
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|         # wrong thing to do: if a file is read-only in the working
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|         # directory, we want it to be installed read/write so that the next
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|         # installation of the same module distribution can overwrite it
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|         # without problems.  (This might be a Unix-specific issue.)  Thus
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|         # we turn off 'preserve_mode' when copying to the build directory,
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|         # since the build directory is supposed to be exactly what the
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|         # installation will look like (ie. we preserve mode when
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|         # installing).
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| 
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|         # Two options control which modules will be installed: 'packages'
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|         # and 'py_modules'.  The former lets us work with whole packages, not
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|         # specifying individual modules at all; the latter is for
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|         # specifying modules one-at-a-time.
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| 
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|         if self.py_modules:
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|             self.build_modules()
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|         if self.packages:
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|             self.build_packages()
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|             self.build_package_data()
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| 
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|         self.byte_compile(self.get_outputs(include_bytecode=0))
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| 
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|     def get_data_files(self):
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|         """Generate list of '(package,src_dir,build_dir,filenames)' tuples"""
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|         data = []
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|         if not self.packages:
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|             return data
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|         for package in self.packages:
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|             # Locate package source directory
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|             src_dir = self.get_package_dir(package)
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| 
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|             # Compute package build directory
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|             build_dir = os.path.join(*([self.build_lib] + package.split('.')))
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| 
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|             # Length of path to strip from found files
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|             plen = 0
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|             if src_dir:
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|                 plen = len(src_dir)+1
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| 
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|             # Strip directory from globbed filenames
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|             filenames = [
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|                 file[plen:] for file in self.find_data_files(package, src_dir)
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|                 ]
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|             data.append((package, src_dir, build_dir, filenames))
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|         return data
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| 
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|     def find_data_files(self, package, src_dir):
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|         """Return filenames for package's data files in 'src_dir'"""
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|         globs = (self.package_data.get('', [])
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|                  + self.package_data.get(package, []))
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|         files = []
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|         for pattern in globs:
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|             # Each pattern has to be converted to a platform-specific path
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|             filelist = glob(os.path.join(src_dir, convert_path(pattern)))
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|             # Files that match more than one pattern are only added once
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|             files.extend([fn for fn in filelist if fn not in files])
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|         return files
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| 
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|     def build_package_data(self):
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|         """Copy data files into build directory"""
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|         for package, src_dir, build_dir, filenames in self.data_files:
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|             for filename in filenames:
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|                 target = os.path.join(build_dir, filename)
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|                 self.mkpath(os.path.dirname(target))
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|                 self.copy_file(os.path.join(src_dir, filename), target,
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|                                preserve_mode=False)
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| 
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|     def get_package_dir(self, package):
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|         """Return the directory, relative to the top of the source
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|            distribution, where package 'package' should be found
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|            (at least according to the 'package_dir' option, if any)."""
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| 
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|         path = package.split('.')
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| 
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|         if not self.package_dir:
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|             if path:
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|                 return os.path.join(*path)
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|             else:
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|                 return ''
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|         else:
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|             tail = []
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|             while path:
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|                 try:
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|                     pdir = self.package_dir['.'.join(path)]
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|                 except KeyError:
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|                     tail.insert(0, path[-1])
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|                     del path[-1]
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|                 else:
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|                     tail.insert(0, pdir)
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|                     return os.path.join(*tail)
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|             else:
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|                 # Oops, got all the way through 'path' without finding a
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|                 # match in package_dir.  If package_dir defines a directory
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|                 # for the root (nameless) package, then fallback on it;
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|                 # otherwise, we might as well have not consulted
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|                 # package_dir at all, as we just use the directory implied
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|                 # by 'tail' (which should be the same as the original value
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|                 # of 'path' at this point).
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|                 pdir = self.package_dir.get('')
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|                 if pdir is not None:
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|                     tail.insert(0, pdir)
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| 
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|                 if tail:
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|                     return os.path.join(*tail)
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|                 else:
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|                     return ''
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| 
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|     def check_package(self, package, package_dir):
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|         # Empty dir name means current directory, which we can probably
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|         # assume exists.  Also, os.path.exists and isdir don't know about
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|         # my "empty string means current dir" convention, so we have to
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|         # circumvent them.
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|         if package_dir != "":
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|             if not os.path.exists(package_dir):
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|                 raise DistutilsFileError(
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|                       "package directory '%s' does not exist" % package_dir)
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|             if not os.path.isdir(package_dir):
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|                 raise DistutilsFileError(
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|                        "supposed package directory '%s' exists, "
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|                        "but is not a directory" % package_dir)
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| 
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|         # Require __init__.py for all but the "root package"
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|         if package:
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|             init_py = os.path.join(package_dir, "__init__.py")
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|             if os.path.isfile(init_py):
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|                 return init_py
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|             else:
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|                 log.warn(("package init file '%s' not found " +
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|                           "(or not a regular file)"), init_py)
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| 
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|         # Either not in a package at all (__init__.py not expected), or
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|         # __init__.py doesn't exist -- so don't return the filename.
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|         return None
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| 
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|     def check_module(self, module, module_file):
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|         if not os.path.isfile(module_file):
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|             log.warn("file %s (for module %s) not found", module_file, module)
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|             return False
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|         else:
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|             return True
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| 
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|     def find_package_modules(self, package, package_dir):
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|         self.check_package(package, package_dir)
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|         module_files = glob(os.path.join(package_dir, "*.py"))
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|         modules = []
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|         setup_script = os.path.abspath(self.distribution.script_name)
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| 
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|         for f in module_files:
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|             abs_f = os.path.abspath(f)
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|             if abs_f != setup_script:
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|                 module = os.path.splitext(os.path.basename(f))[0]
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|                 modules.append((package, module, f))
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|             else:
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|                 self.debug_print("excluding %s" % setup_script)
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|         return modules
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| 
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|     def find_modules(self):
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|         """Finds individually-specified Python modules, ie. those listed by
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|         module name in 'self.py_modules'.  Returns a list of tuples (package,
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|         module_base, filename): 'package' is a tuple of the path through
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|         package-space to the module; 'module_base' is the bare (no
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|         packages, no dots) module name, and 'filename' is the path to the
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|         ".py" file (relative to the distribution root) that implements the
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|         module.
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|         """
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|         # Map package names to tuples of useful info about the package:
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|         #    (package_dir, checked)
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|         # package_dir - the directory where we'll find source files for
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|         #   this package
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|         # checked - true if we have checked that the package directory
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|         #   is valid (exists, contains __init__.py, ... ?)
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|         packages = {}
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| 
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|         # List of (package, module, filename) tuples to return
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|         modules = []
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| 
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|         # We treat modules-in-packages almost the same as toplevel modules,
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|         # just the "package" for a toplevel is empty (either an empty
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|         # string or empty list, depending on context).  Differences:
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|         #   - don't check for __init__.py in directory for empty package
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|         for module in self.py_modules:
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|             path = module.split('.')
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|             package = '.'.join(path[0:-1])
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|             module_base = path[-1]
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| 
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|             try:
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|                 (package_dir, checked) = packages[package]
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|             except KeyError:
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|                 package_dir = self.get_package_dir(package)
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|                 checked = 0
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| 
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|             if not checked:
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|                 init_py = self.check_package(package, package_dir)
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|                 packages[package] = (package_dir, 1)
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|                 if init_py:
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|                     modules.append((package, "__init__", init_py))
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| 
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|             # XXX perhaps we should also check for just .pyc files
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|             # (so greedy closed-source bastards can distribute Python
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|             # modules too)
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|             module_file = os.path.join(package_dir, module_base + ".py")
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|             if not self.check_module(module, module_file):
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|                 continue
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| 
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|             modules.append((package, module_base, module_file))
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| 
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|         return modules
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| 
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|     def find_all_modules(self):
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|         """Compute the list of all modules that will be built, whether
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|         they are specified one-module-at-a-time ('self.py_modules') or
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|         by whole packages ('self.packages').  Return a list of tuples
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|         (package, module, module_file), just like 'find_modules()' and
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|         'find_package_modules()' do."""
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|         modules = []
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|         if self.py_modules:
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|             modules.extend(self.find_modules())
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|         if self.packages:
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|             for package in self.packages:
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|                 package_dir = self.get_package_dir(package)
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|                 m = self.find_package_modules(package, package_dir)
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|                 modules.extend(m)
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|         return modules
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| 
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|     def get_source_files(self):
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|         return [module[-1] for module in self.find_all_modules()]
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| 
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|     def get_module_outfile(self, build_dir, package, module):
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|         outfile_path = [build_dir] + list(package) + [module + ".py"]
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|         return os.path.join(*outfile_path)
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| 
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|     def get_outputs(self, include_bytecode=1):
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|         modules = self.find_all_modules()
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|         outputs = []
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|         for (package, module, module_file) in modules:
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|             package = package.split('.')
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|             filename = self.get_module_outfile(self.build_lib, package, module)
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|             outputs.append(filename)
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|             if include_bytecode:
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|                 if self.compile:
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|                     outputs.append(filename + "c")
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|                 if self.optimize > 0:
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|                     outputs.append(filename + "o")
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| 
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|         outputs += [
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|             os.path.join(build_dir, filename)
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|             for package, src_dir, build_dir, filenames in self.data_files
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|             for filename in filenames
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|             ]
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| 
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|         return outputs
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| 
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|     def build_module(self, module, module_file, package):
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|         if isinstance(package, str):
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|             package = package.split('.')
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|         elif not isinstance(package, (list, tuple)):
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|             raise TypeError(
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|                   "'package' must be a string (dot-separated), list, or tuple")
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| 
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|         # Now put the module source file into the "build" area -- this is
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|         # easy, we just copy it somewhere under self.build_lib (the build
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|         # directory for Python source).
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|         outfile = self.get_module_outfile(self.build_lib, package, module)
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|         dir = os.path.dirname(outfile)
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|         self.mkpath(dir)
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|         return self.copy_file(module_file, outfile, preserve_mode=0)
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| 
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|     def build_modules(self):
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|         modules = self.find_modules()
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|         for (package, module, module_file) in modules:
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| 
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|             # Now "build" the module -- ie. copy the source file to
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|             # self.build_lib (the build directory for Python source).
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|             # (Actually, it gets copied to the directory for this package
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|             # under self.build_lib.)
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|             self.build_module(module, module_file, package)
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| 
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|     def build_packages(self):
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|         for package in self.packages:
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| 
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|             # Get list of (package, module, module_file) tuples based on
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|             # scanning the package directory.  'package' is only included
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|             # in the tuple so that 'find_modules()' and
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|             # 'find_package_tuples()' have a consistent interface; it's
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|             # ignored here (apart from a sanity check).  Also, 'module' is
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|             # the *unqualified* module name (ie. no dots, no package -- we
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|             # already know its package!), and 'module_file' is the path to
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|             # the .py file, relative to the current directory
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|             # (ie. including 'package_dir').
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|             package_dir = self.get_package_dir(package)
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|             modules = self.find_package_modules(package, package_dir)
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| 
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|             # Now loop over the modules we found, "building" each one (just
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|             # copy it to self.build_lib).
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|             for (package_, module, module_file) in modules:
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|                 assert package == package_
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|                 self.build_module(module, module_file, package)
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| 
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|     def byte_compile(self, files):
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|         if sys.dont_write_bytecode:
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|             self.warn('byte-compiling is disabled, skipping.')
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|             return
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| 
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|         from distutils.util import byte_compile
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|         prefix = self.build_lib
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|         if prefix[-1] != os.sep:
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|             prefix = prefix + os.sep
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| 
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|         # XXX this code is essentially the same as the 'byte_compile()
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|         # method of the "install_lib" command, except for the determination
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|         # of the 'prefix' string.  Hmmm.
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| 
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|         if self.compile:
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|             byte_compile(files, optimize=0,
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|                          force=self.force, prefix=prefix, dry_run=self.dry_run)
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|         if self.optimize > 0:
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|             byte_compile(files, optimize=self.optimize,
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|                          force=self.force, prefix=prefix, dry_run=self.dry_run)
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