217 lines
7.9 KiB
Python
217 lines
7.9 KiB
Python
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from distutils.util import convert_path
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from distutils import log
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from distutils.errors import DistutilsError, DistutilsOptionError
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import os
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import glob
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import io
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from setuptools.extern import six
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from pkg_resources import Distribution, PathMetadata, normalize_path
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from setuptools.command.easy_install import easy_install
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from setuptools import namespaces
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import setuptools
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class develop(namespaces.DevelopInstaller, easy_install):
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"""Set up package for development"""
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description = "install package in 'development mode'"
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user_options = easy_install.user_options + [
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("uninstall", "u", "Uninstall this source package"),
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("egg-path=", None, "Set the path to be used in the .egg-link file"),
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]
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boolean_options = easy_install.boolean_options + ['uninstall']
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command_consumes_arguments = False # override base
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def run(self):
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if self.uninstall:
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self.multi_version = True
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self.uninstall_link()
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self.uninstall_namespaces()
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else:
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self.install_for_development()
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self.warn_deprecated_options()
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def initialize_options(self):
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self.uninstall = None
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self.egg_path = None
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easy_install.initialize_options(self)
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self.setup_path = None
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self.always_copy_from = '.' # always copy eggs installed in curdir
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def finalize_options(self):
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ei = self.get_finalized_command("egg_info")
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if ei.broken_egg_info:
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template = "Please rename %r to %r before using 'develop'"
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args = ei.egg_info, ei.broken_egg_info
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raise DistutilsError(template % args)
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self.args = [ei.egg_name]
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easy_install.finalize_options(self)
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self.expand_basedirs()
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self.expand_dirs()
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# pick up setup-dir .egg files only: no .egg-info
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self.package_index.scan(glob.glob('*.egg'))
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egg_link_fn = ei.egg_name + '.egg-link'
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self.egg_link = os.path.join(self.install_dir, egg_link_fn)
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self.egg_base = ei.egg_base
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if self.egg_path is None:
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self.egg_path = os.path.abspath(ei.egg_base)
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target = normalize_path(self.egg_base)
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egg_path = normalize_path(os.path.join(self.install_dir,
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self.egg_path))
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if egg_path != target:
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raise DistutilsOptionError(
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"--egg-path must be a relative path from the install"
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" directory to " + target
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)
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# Make a distribution for the package's source
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self.dist = Distribution(
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target,
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PathMetadata(target, os.path.abspath(ei.egg_info)),
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project_name=ei.egg_name
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)
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self.setup_path = self._resolve_setup_path(
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self.egg_base,
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self.install_dir,
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self.egg_path,
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)
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@staticmethod
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def _resolve_setup_path(egg_base, install_dir, egg_path):
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"""
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Generate a path from egg_base back to '.' where the
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setup script resides and ensure that path points to the
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setup path from $install_dir/$egg_path.
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"""
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path_to_setup = egg_base.replace(os.sep, '/').rstrip('/')
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if path_to_setup != os.curdir:
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path_to_setup = '../' * (path_to_setup.count('/') + 1)
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resolved = normalize_path(
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os.path.join(install_dir, egg_path, path_to_setup)
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)
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if resolved != normalize_path(os.curdir):
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raise DistutilsOptionError(
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"Can't get a consistent path to setup script from"
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" installation directory", resolved, normalize_path(os.curdir))
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return path_to_setup
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def install_for_development(self):
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if six.PY3 and getattr(self.distribution, 'use_2to3', False):
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# If we run 2to3 we can not do this inplace:
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# Ensure metadata is up-to-date
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self.reinitialize_command('build_py', inplace=0)
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self.run_command('build_py')
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bpy_cmd = self.get_finalized_command("build_py")
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build_path = normalize_path(bpy_cmd.build_lib)
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# Build extensions
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self.reinitialize_command('egg_info', egg_base=build_path)
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self.run_command('egg_info')
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self.reinitialize_command('build_ext', inplace=0)
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self.run_command('build_ext')
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# Fixup egg-link and easy-install.pth
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ei_cmd = self.get_finalized_command("egg_info")
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self.egg_path = build_path
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self.dist.location = build_path
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# XXX
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self.dist._provider = PathMetadata(build_path, ei_cmd.egg_info)
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else:
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# Without 2to3 inplace works fine:
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self.run_command('egg_info')
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# Build extensions in-place
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self.reinitialize_command('build_ext', inplace=1)
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self.run_command('build_ext')
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self.install_site_py() # ensure that target dir is site-safe
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if setuptools.bootstrap_install_from:
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self.easy_install(setuptools.bootstrap_install_from)
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setuptools.bootstrap_install_from = None
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self.install_namespaces()
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# create an .egg-link in the installation dir, pointing to our egg
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log.info("Creating %s (link to %s)", self.egg_link, self.egg_base)
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if not self.dry_run:
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with open(self.egg_link, "w") as f:
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f.write(self.egg_path + "\n" + self.setup_path)
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# postprocess the installed distro, fixing up .pth, installing scripts,
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# and handling requirements
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self.process_distribution(None, self.dist, not self.no_deps)
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def uninstall_link(self):
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if os.path.exists(self.egg_link):
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log.info("Removing %s (link to %s)", self.egg_link, self.egg_base)
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egg_link_file = open(self.egg_link)
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contents = [line.rstrip() for line in egg_link_file]
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egg_link_file.close()
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if contents not in ([self.egg_path],
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[self.egg_path, self.setup_path]):
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log.warn("Link points to %s: uninstall aborted", contents)
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return
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if not self.dry_run:
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os.unlink(self.egg_link)
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if not self.dry_run:
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self.update_pth(self.dist) # remove any .pth link to us
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if self.distribution.scripts:
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# XXX should also check for entry point scripts!
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log.warn("Note: you must uninstall or replace scripts manually!")
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def install_egg_scripts(self, dist):
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if dist is not self.dist:
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# Installing a dependency, so fall back to normal behavior
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return easy_install.install_egg_scripts(self, dist)
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# create wrapper scripts in the script dir, pointing to dist.scripts
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# new-style...
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self.install_wrapper_scripts(dist)
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# ...and old-style
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for script_name in self.distribution.scripts or []:
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script_path = os.path.abspath(convert_path(script_name))
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script_name = os.path.basename(script_path)
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with io.open(script_path) as strm:
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script_text = strm.read()
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self.install_script(dist, script_name, script_text, script_path)
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def install_wrapper_scripts(self, dist):
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dist = VersionlessRequirement(dist)
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return easy_install.install_wrapper_scripts(self, dist)
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class VersionlessRequirement(object):
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"""
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Adapt a pkg_resources.Distribution to simply return the project
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name as the 'requirement' so that scripts will work across
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multiple versions.
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>>> dist = Distribution(project_name='foo', version='1.0')
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>>> str(dist.as_requirement())
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'foo==1.0'
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>>> adapted_dist = VersionlessRequirement(dist)
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>>> str(adapted_dist.as_requirement())
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'foo'
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"""
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def __init__(self, dist):
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self.__dist = dist
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def __getattr__(self, name):
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return getattr(self.__dist, name)
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def as_requirement(self):
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return self.project_name
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