e55c4dd1b1
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@23252 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
383 lines
14 KiB
Python
383 lines
14 KiB
Python
"""distutils.command.build_py
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Implements the Distutils 'build_py' command."""
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# This module should be kept compatible with Python 1.5.2.
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__revision__ = "$Id$"
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import sys, string, os
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from types import *
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from glob import glob
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from distutils.core import Command
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from distutils.errors import *
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from distutils.util import convert_path
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from distutils import log
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class build_py (Command):
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description = "\"build\" pure Python modules (copy to build directory)"
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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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boolean_options = ['compile', 'force']
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negative_opt = {'no-compile' : 'compile'}
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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_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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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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# 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_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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# 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 type(self.optimize) is not IntType:
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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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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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# 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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# 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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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.byte_compile(self.get_outputs(include_bytecode=0))
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# run ()
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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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path = string.split(package, '.')
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if not self.package_dir:
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if path:
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return apply(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[string.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 apply(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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if tail:
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return apply(os.path.join, tail)
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else:
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return ''
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# get_package_dir ()
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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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# 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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# 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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# check_package ()
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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 0
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else:
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return 1
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# check_module ()
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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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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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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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# List of (package, module, filename) tuples to return
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modules = []
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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 = string.split(module, '.')
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package = string.join(path[0:-1], '.')
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module_base = path[-1]
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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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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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# 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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modules.append((package, module_base, module_file))
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return modules
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# find_modules ()
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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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# find_all_modules ()
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def get_source_files (self):
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modules = self.find_all_modules()
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filenames = []
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for module in modules:
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filenames.append(module[-1])
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return filenames
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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 apply(os.path.join, outfile_path)
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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 = string.split(package, '.')
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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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return outputs
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def build_module (self, module, module_file, package):
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if type(package) is StringType:
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package = string.split(package, '.')
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elif type(package) not in (ListType, TupleType):
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raise TypeError, \
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"'package' must be a string (dot-separated), list, or tuple"
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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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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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# 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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# build_modules ()
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def build_packages (self):
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for package in self.packages:
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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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# 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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# build_packages ()
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def byte_compile (self, files):
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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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# 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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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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# class build_py
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