123 lines
3.8 KiB
Python
123 lines
3.8 KiB
Python
|
import os
|
||
|
|
import sys
|
||
|
|
from itertools import product, starmap
|
||
|
|
import distutils.command.install_lib as orig
|
||
|
|
|
||
|
|
|
||
|
|
class install_lib(orig.install_lib):
|
||
|
|
"""Don't add compiled flags to filenames of non-Python files"""
|
||
|
|
|
||
|
|
def run(self):
|
||
|
|
self.build()
|
||
|
|
outfiles = self.install()
|
||
|
|
if outfiles is not None:
|
||
|
|
# always compile, in case we have any extension stubs to deal with
|
||
|
|
self.byte_compile(outfiles)
|
||
|
|
|
||
|
|
def get_exclusions(self):
|
||
|
|
"""
|
||
|
|
Return a collections.Sized collections.Container of paths to be
|
||
|
|
excluded for single_version_externally_managed installations.
|
||
|
|
"""
|
||
|
|
all_packages = (
|
||
|
|
pkg
|
||
|
|
for ns_pkg in self._get_SVEM_NSPs()
|
||
|
|
for pkg in self._all_packages(ns_pkg)
|
||
|
|
)
|
||
|
|
|
||
|
|
excl_specs = product(all_packages, self._gen_exclusion_paths())
|
||
|
|
return set(starmap(self._exclude_pkg_path, excl_specs))
|
||
|
|
|
||
|
|
def _exclude_pkg_path(self, pkg, exclusion_path):
|
||
|
|
"""
|
||
|
|
Given a package name and exclusion path within that package,
|
||
|
|
compute the full exclusion path.
|
||
|
|
"""
|
||
|
|
parts = pkg.split('.') + [exclusion_path]
|
||
|
|
return os.path.join(self.install_dir, *parts)
|
||
|
|
|
||
|
|
@staticmethod
|
||
|
|
def _all_packages(pkg_name):
|
||
|
|
"""
|
||
|
|
>>> list(install_lib._all_packages('foo.bar.baz'))
|
||
|
|
['foo.bar.baz', 'foo.bar', 'foo']
|
||
|
|
"""
|
||
|
|
while pkg_name:
|
||
|
|
yield pkg_name
|
||
|
|
pkg_name, sep, child = pkg_name.rpartition('.')
|
||
|
|
|
||
|
|
def _get_SVEM_NSPs(self):
|
||
|
|
"""
|
||
|
|
Get namespace packages (list) but only for
|
||
|
|
single_version_externally_managed installations and empty otherwise.
|
||
|
|
"""
|
||
|
|
# TODO: is it necessary to short-circuit here? i.e. what's the cost
|
||
|
|
# if get_finalized_command is called even when namespace_packages is
|
||
|
|
# False?
|
||
|
|
if not self.distribution.namespace_packages:
|
||
|
|
return []
|
||
|
|
|
||
|
|
install_cmd = self.get_finalized_command('install')
|
||
|
|
svem = install_cmd.single_version_externally_managed
|
||
|
|
|
||
|
|
return self.distribution.namespace_packages if svem else []
|
||
|
|
|
||
|
|
@staticmethod
|
||
|
|
def _gen_exclusion_paths():
|
||
|
|
"""
|
||
|
|
Generate file paths to be excluded for namespace packages (bytecode
|
||
|
|
cache files).
|
||
|
|
"""
|
||
|
|
# always exclude the package module itself
|
||
|
|
yield '__init__.py'
|
||
|
|
|
||
|
|
yield '__init__.pyc'
|
||
|
|
yield '__init__.pyo'
|
||
|
|
|
||
|
|
if not hasattr(sys, 'implementation'):
|
||
|
|
return
|
||
|
|
|
||
|
|
base = os.path.join(
|
||
|
|
'__pycache__', '__init__.' + sys.implementation.cache_tag)
|
||
|
|
yield base + '.pyc'
|
||
|
|
yield base + '.pyo'
|
||
|
|
yield base + '.opt-1.pyc'
|
||
|
|
yield base + '.opt-2.pyc'
|
||
|
|
|
||
|
|
def copy_tree(
|
||
|
|
self, infile, outfile,
|
||
|
|
preserve_mode=1, preserve_times=1, preserve_symlinks=0, level=1
|
||
|
|
):
|
||
|
|
assert preserve_mode and preserve_times and not preserve_symlinks
|
||
|
|
exclude = self.get_exclusions()
|
||
|
|
|
||
|
|
if not exclude:
|
||
|
|
return orig.install_lib.copy_tree(self, infile, outfile)
|
||
|
|
|
||
|
|
# Exclude namespace package __init__.py* files from the output
|
||
|
|
|
||
|
|
from setuptools.archive_util import unpack_directory
|
||
|
|
from distutils import log
|
||
|
|
|
||
|
|
outfiles = []
|
||
|
|
|
||
|
|
def pf(src, dst):
|
||
|
|
if dst in exclude:
|
||
|
|
log.warn("Skipping installation of %s (namespace package)",
|
||
|
|
dst)
|
||
|
|
return False
|
||
|
|
|
||
|
|
log.info("copying %s -> %s", src, os.path.dirname(dst))
|
||
|
|
outfiles.append(dst)
|
||
|
|
return dst
|
||
|
|
|
||
|
|
unpack_directory(infile, outfile, pf)
|
||
|
|
return outfiles
|
||
|
|
|
||
|
|
def get_outputs(self):
|
||
|
|
outputs = orig.install_lib.get_outputs(self)
|
||
|
|
exclude = self.get_exclusions()
|
||
|
|
if exclude:
|
||
|
|
return [f for f in outputs if f not in exclude]
|
||
|
|
return outputs
|