mirror of https://github.com/python/cpython.git
309 lines
11 KiB
Python
309 lines
11 KiB
Python
"""distutils.command.build_py
|
|
|
|
Implements the Distutils 'build_py' command."""
|
|
|
|
# created 1999/03/08, Greg Ward
|
|
|
|
__rcsid__ = "$Id$"
|
|
|
|
import sys, string, os
|
|
from types import *
|
|
from glob import glob
|
|
|
|
from distutils.core import Command
|
|
from distutils.errors import *
|
|
|
|
|
|
class BuildPy (Command):
|
|
|
|
description = "\"build\" pure Python modules (copy to build directory)"
|
|
|
|
options = [('build-dir=', 'd', "directory for platform-shared files"),
|
|
]
|
|
|
|
|
|
def set_default_options (self):
|
|
self.build_dir = None
|
|
self.modules = None
|
|
self.package = None
|
|
self.package_dir = None
|
|
|
|
def set_final_options (self):
|
|
self.set_undefined_options ('build',
|
|
('build_lib', 'build_dir'))
|
|
|
|
# Get the distribution options that are aliases for build_py
|
|
# options -- list of packages and list of modules.
|
|
self.packages = self.distribution.packages
|
|
self.modules = self.distribution.py_modules
|
|
self.package_dir = self.distribution.package_dir
|
|
|
|
|
|
def run (self):
|
|
|
|
# XXX copy_file by default preserves atime and mtime. IMHO this is
|
|
# the right thing to do, but perhaps it should be an option -- in
|
|
# particular, a site administrator might want installed files to
|
|
# reflect the time of installation rather than the last
|
|
# modification time before the installed release.
|
|
|
|
# XXX copy_file by default preserves mode, which appears to be the
|
|
# wrong thing to do: if a file is read-only in the working
|
|
# directory, we want it to be installed read/write so that the next
|
|
# installation of the same module distribution can overwrite it
|
|
# without problems. (This might be a Unix-specific issue.) Thus
|
|
# we turn off 'preserve_mode' when copying to the build directory,
|
|
# since the build directory is supposed to be exactly what the
|
|
# installation will look like (ie. we preserve mode when
|
|
# installing).
|
|
|
|
# XXX copy_file does *not* preserve MacOS-specific file metadata.
|
|
# If this is a problem for building/installing Python modules, then
|
|
# we'll have to fix copy_file. (And what about installing scripts,
|
|
# when the time comes for that -- does MacOS use its special
|
|
# metadata to know that a file is meant to be interpreted by
|
|
# Python?)
|
|
|
|
infiles = []
|
|
outfiles = []
|
|
missing = []
|
|
|
|
# Two options control which modules will be installed: 'packages'
|
|
# and 'modules'. The former lets us work with whole packages, not
|
|
# specifying individual modules at all; the latter is for
|
|
# specifying modules one-at-a-time. Currently they are mutually
|
|
# exclusive: you can define one or the other (or neither), but not
|
|
# both. It remains to be seen how limiting this is.
|
|
|
|
# Dispose of the two "unusual" cases first: no pure Python modules
|
|
# at all (no problem, just return silently), and over-specified
|
|
# 'packages' and 'modules' options.
|
|
|
|
if not self.modules and not self.packages:
|
|
return
|
|
if self.modules and self.packages:
|
|
raise DistutilsOptionError, \
|
|
"build_py: supplying both 'packages' and 'modules' " + \
|
|
"options is not allowed"
|
|
|
|
# Now we're down to two cases: 'modules' only and 'packages' only.
|
|
if self.modules:
|
|
self.build_modules ()
|
|
else:
|
|
self.build_packages ()
|
|
|
|
# run ()
|
|
|
|
|
|
def get_package_dir (self, package):
|
|
"""Return the directory, relative to the top of the source
|
|
distribution, where package 'package' should be found
|
|
(at least according to the 'package_dir' option, if any)."""
|
|
|
|
if type (package) is StringType:
|
|
path = string.split (package, '.')
|
|
elif type (package) in (TupleType, ListType):
|
|
path = list (package)
|
|
else:
|
|
raise TypeError, "'package' must be a string, list, or tuple"
|
|
|
|
if not self.package_dir:
|
|
if path:
|
|
return apply (os.path.join, path)
|
|
else:
|
|
return ''
|
|
else:
|
|
tail = []
|
|
while path:
|
|
try:
|
|
pdir = self.package_dir[string.join (path, '.')]
|
|
except KeyError:
|
|
tail.insert (0, path[-1])
|
|
del path[-1]
|
|
else:
|
|
tail.insert (0, pdir)
|
|
return apply (os.path.join, tail)
|
|
else:
|
|
# arg! everything failed, we might as well have not even
|
|
# looked in package_dir -- oh well
|
|
if tail:
|
|
return apply (os.path.join, tail)
|
|
else:
|
|
return ''
|
|
|
|
# get_package_dir ()
|
|
|
|
|
|
def check_package (self, package, package_dir):
|
|
|
|
# Empty dir name means current directory, which we can probably
|
|
# assume exists. Also, os.path.exists and isdir don't know about
|
|
# my "empty string means current dir" convention, so we have to
|
|
# circumvent them.
|
|
if package_dir != "":
|
|
if not os.path.exists (package_dir):
|
|
raise DistutilsFileError, \
|
|
"package directory '%s' does not exist" % package_dir
|
|
if not os.path.isdir (package_dir):
|
|
raise DistutilsFileErorr, \
|
|
("supposed package directory '%s' exists, " +
|
|
"but is not a directory") % package_dir
|
|
|
|
# Require __init__.py for all but the "root package"
|
|
if package:
|
|
init_py = os.path.join (package_dir, "__init__.py")
|
|
if not os.path.isfile (init_py):
|
|
self.warn (("package init file '%s' not found " +
|
|
"(or not a regular file)") % init_py)
|
|
# check_package ()
|
|
|
|
|
|
def check_module (self, module, module_file):
|
|
if not os.path.isfile (module_file):
|
|
self.warn ("file %s (for module %s) not found" %
|
|
(module_file, module))
|
|
return 0
|
|
else:
|
|
return 1
|
|
|
|
# check_module ()
|
|
|
|
|
|
def find_package_modules (self, package, package_dir):
|
|
module_files = glob (os.path.join (package_dir, "*.py"))
|
|
module_pairs = []
|
|
setup_script = os.path.abspath (sys.argv[0])
|
|
|
|
for f in module_files:
|
|
abs_f = os.path.abspath (f)
|
|
if abs_f != setup_script:
|
|
module = os.path.splitext (os.path.basename (f))[0]
|
|
module_pairs.append ((module, f))
|
|
return module_pairs
|
|
|
|
|
|
def find_modules (self):
|
|
# Map package names to tuples of useful info about the package:
|
|
# (package_dir, checked)
|
|
# package_dir - the directory where we'll find source files for
|
|
# this package
|
|
# checked - true if we have checked that the package directory
|
|
# is valid (exists, contains __init__.py, ... ?)
|
|
packages = {}
|
|
|
|
# List of (module, package, filename) tuples to return
|
|
modules = []
|
|
|
|
# We treat modules-in-packages almost the same as toplevel modules,
|
|
# just the "package" for a toplevel is empty (either an empty
|
|
# string or empty list, depending on context). Differences:
|
|
# - don't check for __init__.py in directory for empty package
|
|
|
|
for module in self.modules:
|
|
path = string.split (module, '.')
|
|
package = tuple (path[0:-1])
|
|
module_base = path[-1]
|
|
|
|
try:
|
|
(package_dir, checked) = packages[package]
|
|
except KeyError:
|
|
package_dir = self.get_package_dir (package)
|
|
checked = 0
|
|
|
|
if not checked:
|
|
self.check_package (package, package_dir)
|
|
packages[package] = (package_dir, 1)
|
|
|
|
# XXX perhaps we should also check for just .pyc files
|
|
# (so greedy closed-source bastards can distribute Python
|
|
# modules too)
|
|
module_file = os.path.join (package_dir, module_base + ".py")
|
|
if not self.check_module (module, module_file):
|
|
continue
|
|
|
|
modules.append ((module, package, module_file))
|
|
|
|
return modules
|
|
|
|
# find_modules ()
|
|
|
|
|
|
def get_source_files (self):
|
|
|
|
if self.modules:
|
|
modules = self.find_modules ()
|
|
else:
|
|
modules = []
|
|
for package in self.packages:
|
|
package_dir = self.get_package_dir (package)
|
|
m = self.find_package_modules (package, package_dir)
|
|
modules.extend (m)
|
|
|
|
# Both find_modules() and find_package_modules() return a list of
|
|
# tuples where the last element of each tuple is the filename --
|
|
# what a happy coincidence!
|
|
filenames = []
|
|
for module in modules:
|
|
filenames.append (module[-1])
|
|
|
|
return filenames
|
|
|
|
|
|
def build_module (self, module, module_file, package):
|
|
|
|
if type (package) is StringType:
|
|
package = string.split (package, '.')
|
|
elif type (package) not in (ListType, TupleType):
|
|
raise TypeError, \
|
|
"'package' must be a string (dot-separated), list, or tuple"
|
|
|
|
# Now put the module source file into the "build" area -- this is
|
|
# easy, we just copy it somewhere under self.build_dir (the build
|
|
# directory for Python source).
|
|
outfile_path = list (package)
|
|
outfile_path.append (module + ".py")
|
|
outfile_path.insert (0, self.build_dir)
|
|
outfile = apply (os.path.join, outfile_path)
|
|
|
|
dir = os.path.dirname (outfile)
|
|
self.mkpath (dir)
|
|
self.copy_file (module_file, outfile, preserve_mode=0)
|
|
|
|
|
|
def build_modules (self):
|
|
|
|
modules = self.find_modules()
|
|
for (module, package, module_file) in modules:
|
|
|
|
# Now "build" the module -- ie. copy the source file to
|
|
# self.build_dir (the build directory for Python source).
|
|
# (Actually, it gets copied to the directory for this package
|
|
# under self.build_dir.)
|
|
self.build_module (module, module_file, package)
|
|
|
|
# build_modules ()
|
|
|
|
|
|
def build_packages (self):
|
|
|
|
for package in self.packages:
|
|
package_dir = self.get_package_dir (package)
|
|
self.check_package (package, package_dir)
|
|
|
|
# Get list of (module, module_file) tuples based on scanning
|
|
# the package directory. Here, 'module' is the *unqualified*
|
|
# module name (ie. no dots, no package -- we already know its
|
|
# package!), and module_file is the path to the .py file,
|
|
# relative to the current directory (ie. including
|
|
# 'package_dir').
|
|
modules = self.find_package_modules (package, package_dir)
|
|
|
|
# Now loop over the modules we found, "building" each one (just
|
|
# copy it to self.build_dir).
|
|
for (module, module_file) in modules:
|
|
self.build_module (module, module_file, package)
|
|
|
|
# build_packages ()
|
|
|
|
# end class BuildPy
|