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-rwxr-xr-xLib/setuptools/command/easy_install.py1555
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diff --git a/Lib/setuptools/command/easy_install.py b/Lib/setuptools/command/easy_install.py
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--- a/Lib/setuptools/command/easy_install.py
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@@ -1,1555 +0,0 @@
-#!python
-"""\
-Easy Install
-------------
-
-A tool for doing automatic download/extract/build of distutils-based Python
-packages. For detailed documentation, see the accompanying EasyInstall.txt
-file, or visit the `EasyInstall home page`__.
-
-__ http://peak.telecommunity.com/DevCenter/EasyInstall
-"""
-import sys, os.path, zipimport, shutil, tempfile, zipfile, re, stat, random
-from glob import glob
-from setuptools import Command
-from setuptools.sandbox import run_setup
-from distutils import log, dir_util
-from distutils.sysconfig import get_python_lib
-from distutils.errors import DistutilsArgError, DistutilsOptionError, \
- DistutilsError
-from setuptools.archive_util import unpack_archive
-from setuptools.package_index import PackageIndex, parse_bdist_wininst
-from setuptools.package_index import URL_SCHEME
-from setuptools.command import bdist_egg, egg_info
-from pkg_resources import *
-sys_executable = os.path.normpath(sys.executable)
-
-__all__ = [
- 'samefile', 'easy_install', 'PthDistributions', 'extract_wininst_cfg',
- 'main', 'get_exe_prefixes',
-]
-
-def samefile(p1,p2):
- if hasattr(os.path,'samefile') and (
- os.path.exists(p1) and os.path.exists(p2)
- ):
- return os.path.samefile(p1,p2)
- return (
- os.path.normpath(os.path.normcase(p1)) ==
- os.path.normpath(os.path.normcase(p2))
- )
-
-class easy_install(Command):
- """Manage a download/build/install process"""
- description = "Find/get/install Python packages"
- command_consumes_arguments = True
-
- user_options = [
- ('prefix=', None, "installation prefix"),
- ("zip-ok", "z", "install package as a zipfile"),
- ("multi-version", "m", "make apps have to require() a version"),
- ("upgrade", "U", "force upgrade (searches PyPI for latest versions)"),
- ("install-dir=", "d", "install package to DIR"),
- ("script-dir=", "s", "install scripts to DIR"),
- ("exclude-scripts", "x", "Don't install scripts"),
- ("always-copy", "a", "Copy all needed packages to install dir"),
- ("index-url=", "i", "base URL of Python Package Index"),
- ("find-links=", "f", "additional URL(s) to search for packages"),
- ("delete-conflicting", "D", "no longer needed; don't use this"),
- ("ignore-conflicts-at-my-risk", None,
- "no longer needed; don't use this"),
- ("build-directory=", "b",
- "download/extract/build in DIR; keep the results"),
- ('optimize=', 'O',
- "also compile with optimization: -O1 for \"python -O\", "
- "-O2 for \"python -OO\", and -O0 to disable [default: -O0]"),
- ('record=', None,
- "filename in which to record list of installed files"),
- ('always-unzip', 'Z', "don't install as a zipfile, no matter what"),
- ('site-dirs=','S',"list of directories where .pth files work"),
- ('editable', 'e', "Install specified packages in editable form"),
- ('no-deps', 'N', "don't install dependencies"),
- ('allow-hosts=', 'H', "pattern(s) that hostnames must match"),
- ]
- boolean_options = [
- 'zip-ok', 'multi-version', 'exclude-scripts', 'upgrade', 'always-copy',
- 'delete-conflicting', 'ignore-conflicts-at-my-risk', 'editable',
- 'no-deps',
- ]
- negative_opt = {'always-unzip': 'zip-ok'}
- create_index = PackageIndex
-
-
- def initialize_options(self):
- self.zip_ok = None
- self.install_dir = self.script_dir = self.exclude_scripts = None
- self.index_url = None
- self.find_links = None
- self.build_directory = None
- self.args = None
- self.optimize = self.record = None
- self.upgrade = self.always_copy = self.multi_version = None
- self.editable = self.no_deps = self.allow_hosts = None
- self.root = self.prefix = self.no_report = None
-
- # Options not specifiable via command line
- self.package_index = None
- self.pth_file = None
- self.delete_conflicting = None
- self.ignore_conflicts_at_my_risk = None
- self.site_dirs = None
- self.installed_projects = {}
- self.sitepy_installed = False
- # Always read easy_install options, even if we are subclassed, or have
- # an independent instance created. This ensures that defaults will
- # always come from the standard configuration file(s)' "easy_install"
- # section, even if this is a "develop" or "install" command, or some
- # other embedding.
- self._dry_run = None
- self.verbose = self.distribution.verbose
- self.distribution._set_command_options(
- self, self.distribution.get_option_dict('easy_install')
- )
-
- def delete_blockers(self, blockers):
- for filename in blockers:
- if os.path.exists(filename) or os.path.islink(filename):
- log.info("Deleting %s", filename)
- if not self.dry_run:
- if os.path.isdir(filename) and not os.path.islink(filename):
- rmtree(filename)
- else:
- os.unlink(filename)
-
- def finalize_options(self):
- self._expand('install_dir','script_dir','build_directory','site_dirs')
- # If a non-default installation directory was specified, default the
- # script directory to match it.
- if self.script_dir is None:
- self.script_dir = self.install_dir
-
- # Let install_dir get set by install_lib command, which in turn
- # gets its info from the install command, and takes into account
- # --prefix and --home and all that other crud.
- self.set_undefined_options('install_lib',
- ('install_dir','install_dir')
- )
- # Likewise, set default script_dir from 'install_scripts.install_dir'
- self.set_undefined_options('install_scripts',
- ('install_dir', 'script_dir')
- )
- # default --record from the install command
- self.set_undefined_options('install', ('record', 'record'))
- normpath = map(normalize_path, sys.path)
- self.all_site_dirs = get_site_dirs()
- if self.site_dirs is not None:
- site_dirs = [
- os.path.expanduser(s.strip()) for s in self.site_dirs.split(',')
- ]
- for d in site_dirs:
- if not os.path.isdir(d):
- log.warn("%s (in --site-dirs) does not exist", d)
- elif normalize_path(d) not in normpath:
- raise DistutilsOptionError(
- d+" (in --site-dirs) is not on sys.path"
- )
- else:
- self.all_site_dirs.append(normalize_path(d))
- self.check_site_dir()
- self.index_url = self.index_url or "http://www.python.org/pypi"
- self.shadow_path = self.all_site_dirs[:]
- for path_item in self.install_dir, normalize_path(self.script_dir):
- if path_item not in self.shadow_path:
- self.shadow_path.insert(0, path_item)
-
- if self.allow_hosts is not None:
- hosts = [s.strip() for s in self.allow_hosts.split(',')]
- else:
- hosts = ['*']
-
- if self.package_index is None:
- self.package_index = self.create_index(
- self.index_url, search_path = self.shadow_path, hosts=hosts
- )
- self.local_index = Environment(self.shadow_path)
-
- if self.find_links is not None:
- if isinstance(self.find_links, basestring):
- self.find_links = self.find_links.split()
- else:
- self.find_links = []
-
- self.package_index.add_find_links(self.find_links)
- self.set_undefined_options('install_lib', ('optimize','optimize'))
- if not isinstance(self.optimize,int):
- try:
- self.optimize = int(self.optimize)
- if not (0 <= self.optimize <= 2): raise ValueError
- except ValueError:
- raise DistutilsOptionError("--optimize must be 0, 1, or 2")
-
- if self.delete_conflicting and self.ignore_conflicts_at_my_risk:
- raise DistutilsOptionError(
- "Can't use both --delete-conflicting and "
- "--ignore-conflicts-at-my-risk at the same time"
- )
- if self.editable and not self.build_directory:
- raise DistutilsArgError(
- "Must specify a build directory (-b) when using --editable"
- )
- if not self.args:
- raise DistutilsArgError(
- "No urls, filenames, or requirements specified (see --help)")
-
- self.outputs = []
-
- def run(self):
- if self.verbose<>self.distribution.verbose:
- log.set_verbosity(self.verbose)
- try:
- for spec in self.args:
- self.easy_install(spec, not self.no_deps)
- if self.record:
- outputs = self.outputs
- if self.root: # strip any package prefix
- root_len = len(self.root)
- for counter in xrange(len(outputs)):
- outputs[counter] = outputs[counter][root_len:]
- from distutils import file_util
- self.execute(
- file_util.write_file, (self.record, outputs),
- "writing list of installed files to '%s'" %
- self.record
- )
- self.warn_deprecated_options()
- finally:
- log.set_verbosity(self.distribution.verbose)
-
- def pseudo_tempname(self):
- """Return a pseudo-tempname base in the install directory.
- This code is intentionally naive; if a malicious party can write to
- the target directory you're already in deep doodoo.
- """
- try:
- pid = os.getpid()
- except:
- pid = random.randint(0,sys.maxint)
- return os.path.join(self.install_dir, "test-easy-install-%s" % pid)
-
- def warn_deprecated_options(self):
- if self.delete_conflicting or self.ignore_conflicts_at_my_risk:
- log.warn(
- "Note: The -D, --delete-conflicting and"
- " --ignore-conflicts-at-my-risk no longer have any purpose"
- " and should not be used."
- )
-
- def check_site_dir(self):
- """Verify that self.install_dir is .pth-capable dir, if needed"""
-
- instdir = normalize_path(self.install_dir)
- pth_file = os.path.join(instdir,'easy-install.pth')
-
- # Is it a configured, PYTHONPATH, implicit, or explicit site dir?
- is_site_dir = instdir in self.all_site_dirs
-
- if not is_site_dir:
- # No? Then directly test whether it does .pth file processing
- is_site_dir = self.check_pth_processing()
- else:
- # make sure we can write to target dir
- testfile = self.pseudo_tempname()+'.write-test'
- test_exists = os.path.exists(testfile)
- try:
- if test_exists: os.unlink(testfile)
- open(testfile,'w').close()
- os.unlink(testfile)
- except (OSError,IOError):
- self.cant_write_to_target()
-
- if not is_site_dir and not self.multi_version:
- # Can't install non-multi to non-site dir
- raise DistutilsError(self.no_default_version_msg())
-
- if is_site_dir:
- if self.pth_file is None:
- self.pth_file = PthDistributions(pth_file)
- else:
- self.pth_file = None
-
- PYTHONPATH = os.environ.get('PYTHONPATH','').split(os.pathsep)
- if instdir not in map(normalize_path, filter(None,PYTHONPATH)):
- # only PYTHONPATH dirs need a site.py, so pretend it's there
- self.sitepy_installed = True
-
- self.install_dir = instdir
-
-
- def cant_write_to_target(self):
- msg = """can't create or remove files in install directory
-
-The following error occurred while trying to add or remove files in the
-installation directory:
-
- %s
-
-The installation directory you specified (via --install-dir, --prefix, or
-the distutils default setting) was:
-
- %s
-""" % (sys.exc_info()[1], self.install_dir,)
-
- if not os.path.exists(self.install_dir):
- msg += """
-This directory does not currently exist. Please create it and try again, or
-choose a different installation directory (using the -d or --install-dir
-option).
-"""
- else:
- msg += """
-Perhaps your account does not have write access to this directory? If the
-installation directory is a system-owned directory, you may need to sign in
-as the administrator or "root" account. If you do not have administrative
-access to this machine, you may wish to choose a different installation
-directory, preferably one that is listed in your PYTHONPATH environment
-variable.
-
-For information on other options, you may wish to consult the
-documentation at:
-
- http://peak.telecommunity.com/EasyInstall.html
-
-Please make the appropriate changes for your system and try again.
-"""
- raise DistutilsError(msg)
-
-
-
-
- def check_pth_processing(self):
- """Empirically verify whether .pth files are supported in inst. dir"""
- instdir = self.install_dir
- log.info("Checking .pth file support in %s", instdir)
- pth_file = self.pseudo_tempname()+".pth"
- ok_file = pth_file+'.ok'
- ok_exists = os.path.exists(ok_file)
- try:
- if ok_exists: os.unlink(ok_file)
- f = open(pth_file,'w')
- except (OSError,IOError):
- self.cant_write_to_target()
- else:
- try:
- f.write("import os;open(%r,'w').write('OK')\n" % (ok_file,))
- f.close(); f=None
- executable = sys.executable
- if os.name=='nt':
- dirname,basename = os.path.split(executable)
- alt = os.path.join(dirname,'pythonw.exe')
- if basename.lower()=='python.exe' and os.path.exists(alt):
- # use pythonw.exe to avoid opening a console window
- executable = alt
- if ' ' in executable: executable='"%s"' % executable
- from distutils.spawn import spawn
- spawn([executable,'-E','-c','pass'],0)
-
- if os.path.exists(ok_file):
- log.info(
- "TEST PASSED: %s appears to support .pth files",
- instdir
- )
- return True
- finally:
- if f: f.close()
- if os.path.exists(ok_file): os.unlink(ok_file)
- if os.path.exists(pth_file): os.unlink(pth_file)
- if not self.multi_version:
- log.warn("TEST FAILED: %s does NOT support .pth files", instdir)
- return False
-
- def install_egg_scripts(self, dist):
- """Write all the scripts for `dist`, unless scripts are excluded"""
-
- self.install_wrapper_scripts(dist)
- if self.exclude_scripts or not dist.metadata_isdir('scripts'):
- return
-
- for script_name in dist.metadata_listdir('scripts'):
- self.install_script(
- dist, script_name,
- dist.get_metadata('scripts/'+script_name).replace('\r','\n')
- )
-
- def add_output(self, path):
- if os.path.isdir(path):
- for base, dirs, files in os.walk(path):
- for filename in files:
- self.outputs.append(os.path.join(base,filename))
- else:
- self.outputs.append(path)
-
- def not_editable(self, spec):
- if self.editable:
- raise DistutilsArgError(
- "Invalid argument %r: you can't use filenames or URLs "
- "with --editable (except via the --find-links option)."
- % (spec,)
- )
-
- def check_editable(self,spec):
- if not self.editable:
- return
-
- if os.path.exists(os.path.join(self.build_directory, spec.key)):
- raise DistutilsArgError(
- "%r already exists in %s; can't do a checkout there" %
- (spec.key, self.build_directory)
- )
-
-
-
- def easy_install(self, spec, deps=False):
- tmpdir = tempfile.mkdtemp(prefix="easy_install-")
- download = None
- self.install_site_py()
-
- try:
- if not isinstance(spec,Requirement):
- if URL_SCHEME(spec):
- # It's a url, download it to tmpdir and process
- self.not_editable(spec)
- download = self.package_index.download(spec, tmpdir)
- return self.install_item(None, download, tmpdir, deps, True)
-
- elif os.path.exists(spec):
- # Existing file or directory, just process it directly
- self.not_editable(spec)
- return self.install_item(None, spec, tmpdir, deps, True)
- else:
- spec = parse_requirement_arg(spec)
-
- self.check_editable(spec)
- dist = self.package_index.fetch_distribution(
- spec, tmpdir, self.upgrade, self.editable, not self.always_copy
- )
-
- if dist is None:
- msg = "Could not find suitable distribution for %r" % spec
- if self.always_copy:
- msg+=" (--always-copy skips system and development eggs)"
- raise DistutilsError(msg)
- elif dist.precedence==DEVELOP_DIST:
- # .egg-info dists don't need installing, just process deps
- self.process_distribution(spec, dist, deps, "Using")
- return dist
- else:
- return self.install_item(spec, dist.location, tmpdir, deps)
-
- finally:
- if os.path.exists(tmpdir):
- rmtree(tmpdir)
-
- def install_item(self, spec, download, tmpdir, deps, install_needed=False):
-
- # Installation is also needed if file in tmpdir or is not an egg
- install_needed = install_needed or os.path.dirname(download) == tmpdir
- install_needed = install_needed or not download.endswith('.egg')
-
- log.info("Processing %s", os.path.basename(download))
-
- if install_needed or self.always_copy:
- dists = self.install_eggs(spec, download, tmpdir)
- for dist in dists:
- self.process_distribution(spec, dist, deps)
- else:
- dists = [self.check_conflicts(self.egg_distribution(download))]
- self.process_distribution(spec, dists[0], deps, "Using")
-
- if spec is not None:
- for dist in dists:
- if dist in spec:
- return dist
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
- def process_distribution(self, requirement, dist, deps=True, *info):
- self.update_pth(dist)
- self.package_index.add(dist)
- self.local_index.add(dist)
- self.install_egg_scripts(dist)
- self.installed_projects[dist.key] = dist
- log.warn(self.installation_report(requirement, dist, *info))
- if not deps and not self.always_copy:
- return
- elif requirement is not None and dist.key != requirement.key:
- log.warn("Skipping dependencies for %s", dist)
- return # XXX this is not the distribution we were looking for
- elif requirement is None or dist not in requirement:
- # if we wound up with a different version, resolve what we've got
- distreq = dist.as_requirement()
- requirement = requirement or distreq
- requirement = Requirement(
- distreq.project_name, distreq.specs, requirement.extras
- )
- if dist.has_metadata('dependency_links.txt'):
- self.package_index.add_find_links(
- dist.get_metadata_lines('dependency_links.txt')
- )
- log.info("Processing dependencies for %s", requirement)
- try:
- distros = WorkingSet([]).resolve(
- [requirement], self.local_index, self.easy_install
- )
- except DistributionNotFound, e:
- raise DistutilsError(
- "Could not find required distribution %s" % e.args
- )
- except VersionConflict, e:
- raise DistutilsError(
- "Installed distribution %s conflicts with requirement %s"
- % e.args
- )
- if self.always_copy:
- # Force all the relevant distros to be copied or activated
- for dist in distros:
- if dist.key not in self.installed_projects:
- self.easy_install(dist.as_requirement())
-
- def should_unzip(self, dist):
- if self.zip_ok is not None:
- return not self.zip_ok
- if dist.has_metadata('not-zip-safe'):
- return True
- if not dist.has_metadata('zip-safe'):
- return True
- return False
-
- def maybe_move(self, spec, dist_filename, setup_base):
- dst = os.path.join(self.build_directory, spec.key)
- if os.path.exists(dst):
- log.warn(
- "%r already exists in %s; build directory %s will not be kept",
- spec.key, self.build_directory, setup_base
- )
- return setup_base
- if os.path.isdir(dist_filename):
- setup_base = dist_filename
- else:
- if os.path.dirname(dist_filename)==setup_base:
- os.unlink(dist_filename) # get it out of the tmp dir
- contents = os.listdir(setup_base)
- if len(contents)==1:
- dist_filename = os.path.join(setup_base,contents[0])
- if os.path.isdir(dist_filename):
- # if the only thing there is a directory, move it instead
- setup_base = dist_filename
- ensure_directory(dst); shutil.move(setup_base, dst)
- return dst
-
- def install_wrapper_scripts(self, dist):
- if not self.exclude_scripts:
- for args in get_script_args(dist):
- self.write_script(*args)
-
-
-
-
-
-
- def install_script(self, dist, script_name, script_text, dev_path=None):
- """Generate a legacy script wrapper and install it"""
- spec = str(dist.as_requirement())
-
- if dev_path:
- script_text = get_script_header(script_text) + (
- "# EASY-INSTALL-DEV-SCRIPT: %(spec)r,%(script_name)r\n"
- "__requires__ = %(spec)r\n"
- "from pkg_resources import require; require(%(spec)r)\n"
- "del require\n"
- "__file__ = %(dev_path)r\n"
- "execfile(__file__)\n"
- ) % locals()
- else:
- script_text = get_script_header(script_text) + (
- "# EASY-INSTALL-SCRIPT: %(spec)r,%(script_name)r\n"
- "__requires__ = %(spec)r\n"
- "import pkg_resources\n"
- "pkg_resources.run_script(%(spec)r, %(script_name)r)\n"
- ) % locals()
-
- self.write_script(script_name, script_text)
-
- def write_script(self, script_name, contents, mode="t", blockers=()):
- """Write an executable file to the scripts directory"""
- self.delete_blockers( # clean up old .py/.pyw w/o a script
- [os.path.join(self.script_dir,x) for x in blockers])
- log.info("Installing %s script to %s", script_name, self.script_dir)
- target = os.path.join(self.script_dir, script_name)
- self.add_output(target)
-
- if not self.dry_run:
- ensure_directory(target)
- f = open(target,"w"+mode)
- f.write(contents)
- f.close()
- try:
- os.chmod(target,0755)
- except (AttributeError, os.error):
- pass
-
- def install_eggs(self, spec, dist_filename, tmpdir):
- # .egg dirs or files are already built, so just return them
- if dist_filename.lower().endswith('.egg'):
- return [self.install_egg(dist_filename, tmpdir)]
- elif dist_filename.lower().endswith('.exe'):
- return [self.install_exe(dist_filename, tmpdir)]
-
- # Anything else, try to extract and build
- setup_base = tmpdir
- if os.path.isfile(dist_filename) and not dist_filename.endswith('.py'):
- unpack_archive(dist_filename, tmpdir, self.unpack_progress)
- elif os.path.isdir(dist_filename):
- setup_base = os.path.abspath(dist_filename)
-
- if (setup_base.startswith(tmpdir) # something we downloaded
- and self.build_directory and spec is not None
- ):
- setup_base = self.maybe_move(spec, dist_filename, setup_base)
-
- # Find the setup.py file
- setup_script = os.path.join(setup_base, 'setup.py')
-
- if not os.path.exists(setup_script):
- setups = glob(os.path.join(setup_base, '*', 'setup.py'))
- if not setups:
- raise DistutilsError(
- "Couldn't find a setup script in %s" % dist_filename
- )
- if len(setups)>1:
- raise DistutilsError(
- "Multiple setup scripts in %s" % dist_filename
- )
- setup_script = setups[0]
-
- # Now run it, and return the result
- if self.editable:
- log.warn(self.report_editable(spec, setup_script))
- return []
- else:
- return self.build_and_install(setup_script, setup_base)
-
- def egg_distribution(self, egg_path):
- if os.path.isdir(egg_path):
- metadata = PathMetadata(egg_path,os.path.join(egg_path,'EGG-INFO'))
- else:
- metadata = EggMetadata(zipimport.zipimporter(egg_path))
- return Distribution.from_filename(egg_path,metadata=metadata)
-
- def install_egg(self, egg_path, tmpdir):
- destination = os.path.join(self.install_dir,os.path.basename(egg_path))
- destination = os.path.abspath(destination)
- if not self.dry_run:
- ensure_directory(destination)
-
- dist = self.egg_distribution(egg_path)
- self.check_conflicts(dist)
- if not samefile(egg_path, destination):
- if os.path.isdir(destination) and not os.path.islink(destination):
- dir_util.remove_tree(destination, dry_run=self.dry_run)
- elif os.path.exists(destination):
- self.execute(os.unlink,(destination,),"Removing "+destination)
- uncache_zipdir(destination)
- if os.path.isdir(egg_path):
- if egg_path.startswith(tmpdir):
- f,m = shutil.move, "Moving"
- else:
- f,m = shutil.copytree, "Copying"
- elif self.should_unzip(dist):
- self.mkpath(destination)
- f,m = self.unpack_and_compile, "Extracting"
- elif egg_path.startswith(tmpdir):
- f,m = shutil.move, "Moving"
- else:
- f,m = shutil.copy2, "Copying"
-
- self.execute(f, (egg_path, destination),
- (m+" %s to %s") %
- (os.path.basename(egg_path),os.path.dirname(destination)))
-
- self.add_output(destination)
- return self.egg_distribution(destination)
-
- def install_exe(self, dist_filename, tmpdir):
- # See if it's valid, get data
- cfg = extract_wininst_cfg(dist_filename)
- if cfg is None:
- raise DistutilsError(
- "%s is not a valid distutils Windows .exe" % dist_filename
- )
- # Create a dummy distribution object until we build the real distro
- dist = Distribution(None,
- project_name=cfg.get('metadata','name'),
- version=cfg.get('metadata','version'), platform="win32"
- )
-
- # Convert the .exe to an unpacked egg
- egg_path = dist.location = os.path.join(tmpdir, dist.egg_name()+'.egg')
- egg_tmp = egg_path+'.tmp'
- egg_info = os.path.join(egg_tmp, 'EGG-INFO')
- pkg_inf = os.path.join(egg_info, 'PKG-INFO')
- ensure_directory(pkg_inf) # make sure EGG-INFO dir exists
- dist._provider = PathMetadata(egg_tmp, egg_info) # XXX
- self.exe_to_egg(dist_filename, egg_tmp)
-
- # Write EGG-INFO/PKG-INFO
- if not os.path.exists(pkg_inf):
- f = open(pkg_inf,'w')
- f.write('Metadata-Version: 1.0\n')
- for k,v in cfg.items('metadata'):
- if k<>'target_version':
- f.write('%s: %s\n' % (k.replace('_','-').title(), v))
- f.close()
- script_dir = os.path.join(egg_info,'scripts')
- self.delete_blockers( # delete entry-point scripts to avoid duping
- [os.path.join(script_dir,args[0]) for args in get_script_args(dist)]
- )
- # Build .egg file from tmpdir
- bdist_egg.make_zipfile(
- egg_path, egg_tmp, verbose=self.verbose, dry_run=self.dry_run
- )
- # install the .egg
- return self.install_egg(egg_path, tmpdir)
-
- def exe_to_egg(self, dist_filename, egg_tmp):
- """Extract a bdist_wininst to the directories an egg would use"""
- # Check for .pth file and set up prefix translations
- prefixes = get_exe_prefixes(dist_filename)
- to_compile = []
- native_libs = []
- top_level = {}
-
- def process(src,dst):
- for old,new in prefixes:
- if src.startswith(old):
- src = new+src[len(old):]
- parts = src.split('/')
- dst = os.path.join(egg_tmp, *parts)
- dl = dst.lower()
- if dl.endswith('.pyd') or dl.endswith('.dll'):
- top_level[os.path.splitext(parts[0])[0]] = 1
- native_libs.append(src)
- elif dl.endswith('.py') and old!='SCRIPTS/':
- top_level[os.path.splitext(parts[0])[0]] = 1
- to_compile.append(dst)
- return dst
- if not src.endswith('.pth'):
- log.warn("WARNING: can't process %s", src)
- return None
-
- # extract, tracking .pyd/.dll->native_libs and .py -> to_compile
- unpack_archive(dist_filename, egg_tmp, process)
- stubs = []
- for res in native_libs:
- if res.lower().endswith('.pyd'): # create stubs for .pyd's
- parts = res.split('/')
- resource, parts[-1] = parts[-1], parts[-1][:-1]
- pyfile = os.path.join(egg_tmp, *parts)
- to_compile.append(pyfile); stubs.append(pyfile)
- bdist_egg.write_stub(resource, pyfile)
-
- self.byte_compile(to_compile) # compile .py's
- bdist_egg.write_safety_flag(os.path.join(egg_tmp,'EGG-INFO'),
- bdist_egg.analyze_egg(egg_tmp, stubs)) # write zip-safety flag
-
- for name in 'top_level','native_libs':
- if locals()[name]:
- txt = os.path.join(egg_tmp, 'EGG-INFO', name+'.txt')
- if not os.path.exists(txt):
- open(txt,'w').write('\n'.join(locals()[name])+'\n')
-
- def check_conflicts(self, dist):
- """Verify that there are no conflicting "old-style" packages"""
-
- return dist # XXX temporarily disable until new strategy is stable
- from imp import find_module, get_suffixes
- from glob import glob
-
- blockers = []
- names = dict.fromkeys(dist._get_metadata('top_level.txt')) # XXX private attr
-
- exts = {'.pyc':1, '.pyo':1} # get_suffixes() might leave one out
- for ext,mode,typ in get_suffixes():
- exts[ext] = 1
-
- for path,files in expand_paths([self.install_dir]+self.all_site_dirs):
- for filename in files:
- base,ext = os.path.splitext(filename)
- if base in names:
- if not ext:
- # no extension, check for package
- try:
- f, filename, descr = find_module(base, [path])
- except ImportError:
- continue
- else:
- if f: f.close()
- if filename not in blockers:
- blockers.append(filename)
- elif ext in exts and base!='site': # XXX ugh
- blockers.append(os.path.join(path,filename))
- if blockers:
- self.found_conflicts(dist, blockers)
-
- return dist
-
- def found_conflicts(self, dist, blockers):
- if self.delete_conflicting:
- log.warn("Attempting to delete conflicting packages:")
- return self.delete_blockers(blockers)
-
- msg = """\
--------------------------------------------------------------------------
-CONFLICT WARNING:
-
-The following modules or packages have the same names as modules or
-packages being installed, and will be *before* the installed packages in
-Python's search path. You MUST remove all of the relevant files and
-directories before you will be able to use the package(s) you are
-installing:
-
- %s
-
-""" % '\n '.join(blockers)
-
- if self.ignore_conflicts_at_my_risk:
- msg += """\
-(Note: you can run EasyInstall on '%s' with the
---delete-conflicting option to attempt deletion of the above files
-and/or directories.)
-""" % dist.project_name
- else:
- msg += """\
-Note: you can attempt this installation again with EasyInstall, and use
-either the --delete-conflicting (-D) option or the
---ignore-conflicts-at-my-risk option, to either delete the above files
-and directories, or to ignore the conflicts, respectively. Note that if
-you ignore the conflicts, the installed package(s) may not work.
-"""
- msg += """\
--------------------------------------------------------------------------
-"""
- sys.stderr.write(msg)
- sys.stderr.flush()
- if not self.ignore_conflicts_at_my_risk:
- raise DistutilsError("Installation aborted due to conflicts")
-
- def installation_report(self, req, dist, what="Installed"):
- """Helpful installation message for display to package users"""
- msg = "\n%(what)s %(eggloc)s%(extras)s"
- if self.multi_version and not self.no_report:
- msg += """
-
-Because this distribution was installed --multi-version or --install-dir,
-before you can import modules from this package in an application, you
-will need to 'import pkg_resources' and then use a 'require()' call
-similar to one of these examples, in order to select the desired version:
-
- pkg_resources.require("%(name)s") # latest installed version
- pkg_resources.require("%(name)s==%(version)s") # this exact version
- pkg_resources.require("%(name)s>=%(version)s") # this version or higher
-"""
- if self.install_dir not in map(normalize_path,sys.path):
- msg += """
-
-Note also that the installation directory must be on sys.path at runtime for
-this to work. (e.g. by being the application's script directory, by being on
-PYTHONPATH, or by being added to sys.path by your code.)
-"""
- eggloc = dist.location
- name = dist.project_name
- version = dist.version
- extras = '' # TODO: self.report_extras(req, dist)
- return msg % locals()
-
- def report_editable(self, spec, setup_script):
- dirname = os.path.dirname(setup_script)
- python = sys.executable
- return """\nExtracted editable version of %(spec)s to %(dirname)s
-
-If it uses setuptools in its setup script, you can activate it in
-"development" mode by going to that directory and running::
-
- %(python)s setup.py develop
-
-See the setuptools documentation for the "develop" command for more info.
-""" % locals()
-
- def run_setup(self, setup_script, setup_base, args):
- sys.modules.setdefault('distutils.command.bdist_egg', bdist_egg)
- sys.modules.setdefault('distutils.command.egg_info', egg_info)
-
- args = list(args)
- if self.verbose>2:
- v = 'v' * (self.verbose - 1)
- args.insert(0,'-'+v)
- elif self.verbose<2:
- args.insert(0,'-q')
- if self.dry_run:
- args.insert(0,'-n')
- log.info(
- "Running %s %s", setup_script[len(setup_base)+1:], ' '.join(args)
- )
- try:
- run_setup(setup_script, args)
- except SystemExit, v:
- raise DistutilsError("Setup script exited with %s" % (v.args[0],))
-
- def build_and_install(self, setup_script, setup_base):
- args = ['bdist_egg', '--dist-dir']
- dist_dir = tempfile.mkdtemp(
- prefix='egg-dist-tmp-', dir=os.path.dirname(setup_script)
- )
- try:
- args.append(dist_dir)
- self.run_setup(setup_script, setup_base, args)
- all_eggs = Environment([dist_dir])
- eggs = []
- for key in all_eggs:
- for dist in all_eggs[key]:
- eggs.append(self.install_egg(dist.location, setup_base))
- if not eggs and not self.dry_run:
- log.warn("No eggs found in %s (setup script problem?)",
- dist_dir)
- return eggs
- finally:
- rmtree(dist_dir)
- log.set_verbosity(self.verbose) # restore our log verbosity
-
- def update_pth(self,dist):
- if self.pth_file is None:
- return
-
- for d in self.pth_file[dist.key]: # drop old entries
- if self.multi_version or d.location != dist.location:
- log.info("Removing %s from easy-install.pth file", d)
- self.pth_file.remove(d)
- if d.location in self.shadow_path:
- self.shadow_path.remove(d.location)
-
- if not self.multi_version:
- if dist.location in self.pth_file.paths:
- log.info(
- "%s is already the active version in easy-install.pth",
- dist
- )
- else:
- log.info("Adding %s to easy-install.pth file", dist)
- self.pth_file.add(dist) # add new entry
- if dist.location not in self.shadow_path:
- self.shadow_path.append(dist.location)
-
- if not self.dry_run:
-
- self.pth_file.save()
-
- if dist.key=='setuptools':
- # Ensure that setuptools itself never becomes unavailable!
- # XXX should this check for latest version?
- filename = os.path.join(self.install_dir,'setuptools.pth')
- if os.path.islink(filename): os.unlink(filename)
- f = open(filename, 'wt')
- f.write(self.pth_file.make_relative(dist.location)+'\n')
- f.close()
-
- def unpack_progress(self, src, dst):
- # Progress filter for unpacking
- log.debug("Unpacking %s to %s", src, dst)
- return dst # only unpack-and-compile skips files for dry run
-
- def unpack_and_compile(self, egg_path, destination):
- to_compile = []
-
- def pf(src,dst):
- if dst.endswith('.py') and not src.startswith('EGG-INFO/'):
- to_compile.append(dst)
- self.unpack_progress(src,dst)
- return not self.dry_run and dst or None
-
- unpack_archive(egg_path, destination, pf)
- self.byte_compile(to_compile)
-
-
- def byte_compile(self, to_compile):
- from distutils.util import byte_compile
- try:
- # try to make the byte compile messages quieter
- log.set_verbosity(self.verbose - 1)
-
- byte_compile(to_compile, optimize=0, force=1, dry_run=self.dry_run)
- if self.optimize:
- byte_compile(
- to_compile, optimize=self.optimize, force=1,
- dry_run=self.dry_run
- )
- finally:
- log.set_verbosity(self.verbose) # restore original verbosity
-
-
-
-
-
-
-
-
-
-
-
-
-
-
- def no_default_version_msg(self):
- return """bad install directory or PYTHONPATH
-
-You are attempting to install a package to a directory that is not
-on PYTHONPATH and which Python does not read ".pth" files from. The
-installation directory you specified (via --install-dir, --prefix, or
-the distutils default setting) was:
-
- %s
-
-and your PYTHONPATH environment variable currently contains:
-
- %r
-
-Here are some of your options for correcting the problem:
-
-* You can choose a different installation directory, i.e., one that is
- on PYTHONPATH or supports .pth files
-
-* You can add the installation directory to the PYTHONPATH environment
- variable. (It must then also be on PYTHONPATH whenever you run
- Python and want to use the package(s) you are installing.)
-
-* You can set up the installation directory to support ".pth" files by
- using one of the approaches described here:
-
- http://peak.telecommunity.com/EasyInstall.html#custom-installation-locations
-
-Please make the appropriate changes for your system and try again.""" % (
- self.install_dir, os.environ.get('PYTHONPATH','')
- )
-
-
-
-
-
-
-
-
-
-
- def install_site_py(self):
- """Make sure there's a site.py in the target dir, if needed"""
-
- if self.sitepy_installed:
- return # already did it, or don't need to
-
- sitepy = os.path.join(self.install_dir, "site.py")
- source = resource_string("setuptools", "site-patch.py")
- current = ""
-
- if os.path.exists(sitepy):
- log.debug("Checking existing site.py in %s", self.install_dir)
- current = open(sitepy,'rb').read()
- if not current.startswith('def __boot():'):
- raise DistutilsError(
- "%s is not a setuptools-generated site.py; please"
- " remove it." % sitepy
- )
-
- if current != source:
- log.info("Creating %s", sitepy)
- if not self.dry_run:
- ensure_directory(sitepy)
- f = open(sitepy,'wb')
- f.write(source)
- f.close()
- self.byte_compile([sitepy])
-
- self.sitepy_installed = True
-
-
-
-
-
-
-
-
-
-
-
-
- INSTALL_SCHEMES = dict(
- posix = dict(
- install_dir = '$base/lib/python$py_version_short/site-packages',
- script_dir = '$base/bin',
- ),
- )
-
- DEFAULT_SCHEME = dict(
- install_dir = '$base/Lib/site-packages',
- script_dir = '$base/Scripts',
- )
-
- def _expand(self, *attrs):
- config_vars = self.get_finalized_command('install').config_vars
-
- if self.prefix:
- # Set default install_dir/scripts from --prefix
- config_vars = config_vars.copy()
- config_vars['base'] = self.prefix
- scheme = self.INSTALL_SCHEMES.get(os.name,self.DEFAULT_SCHEME)
- for attr,val in scheme.items():
- if getattr(self,attr,None) is None:
- setattr(self,attr,val)
-
- from distutils.util import subst_vars
- for attr in attrs:
- val = getattr(self, attr)
- if val is not None:
- val = subst_vars(val, config_vars)
- if os.name == 'posix':
- val = os.path.expanduser(val)
- setattr(self, attr, val)
-
-
-
-
-
-
-
-
-
-def get_site_dirs():
- # return a list of 'site' dirs
- sitedirs = filter(None,os.environ.get('PYTHONPATH','').split(os.pathsep))
- prefixes = [sys.prefix]
- if sys.exec_prefix != sys.prefix:
- prefixes.append(sys.exec_prefix)
- for prefix in prefixes:
- if prefix:
- if sys.platform in ('os2emx', 'riscos'):
- sitedirs.append(os.path.join(prefix, "Lib", "site-packages"))
- elif os.sep == '/':
- sitedirs.extend([os.path.join(prefix,
- "lib",
- "python" + sys.version[:3],
- "site-packages"),
- os.path.join(prefix, "lib", "site-python")])
- else:
- sitedirs.extend(
- [prefix, os.path.join(prefix, "lib", "site-packages")]
- )
- if sys.platform == 'darwin':
- # for framework builds *only* we add the standard Apple
- # locations. Currently only per-user, but /Library and
- # /Network/Library could be added too
- if 'Python.framework' in prefix:
- home = os.environ.get('HOME')
- if home:
- sitedirs.append(
- os.path.join(home,
- 'Library',
- 'Python',
- sys.version[:3],
- 'site-packages'))
- for plat_specific in (0,1):
- site_lib = get_python_lib(plat_specific)
- if site_lib not in sitedirs: sitedirs.append(site_lib)
-
- sitedirs = map(normalize_path, sitedirs)
- return sitedirs
-
-
-def expand_paths(inputs):
- """Yield sys.path directories that might contain "old-style" packages"""
-
- seen = {}
-
- for dirname in inputs:
- dirname = normalize_path(dirname)
- if dirname in seen:
- continue
-
- seen[dirname] = 1
- if not os.path.isdir(dirname):
- continue
-
- files = os.listdir(dirname)
- yield dirname, files
-
- for name in files:
- if not name.endswith('.pth'):
- # We only care about the .pth files
- continue
- if name in ('easy-install.pth','setuptools.pth'):
- # Ignore .pth files that we control
- continue
-
- # Read the .pth file
- f = open(os.path.join(dirname,name))
- lines = list(yield_lines(f))
- f.close()
-
- # Yield existing non-dupe, non-import directory lines from it
- for line in lines:
- if not line.startswith("import"):
- line = normalize_path(line.rstrip())
- if line not in seen:
- seen[line] = 1
- if not os.path.isdir(line):
- continue
- yield line, os.listdir(line)
-
-
-def extract_wininst_cfg(dist_filename):
- """Extract configuration data from a bdist_wininst .exe
-
- Returns a ConfigParser.RawConfigParser, or None
- """
- f = open(dist_filename,'rb')
- try:
- endrec = zipfile._EndRecData(f)
- if endrec is None:
- return None
-
- prepended = (endrec[9] - endrec[5]) - endrec[6]
- if prepended < 12: # no wininst data here
- return None
- f.seek(prepended-12)
-
- import struct, StringIO, ConfigParser
- tag, cfglen, bmlen = struct.unpack("<iii",f.read(12))
- if tag not in (0x1234567A, 0x1234567B):
- return None # not a valid tag
-
- f.seek(prepended-(12+cfglen+bmlen))
- cfg = ConfigParser.RawConfigParser({'version':'','target_version':''})
- try:
- cfg.readfp(StringIO.StringIO(f.read(cfglen).split(chr(0),1)[0]))
- except ConfigParser.Error:
- return None
- if not cfg.has_section('metadata') or not cfg.has_section('Setup'):
- return None
- return cfg
-
- finally:
- f.close()
-
-
-
-
-
-
-
-
-def get_exe_prefixes(exe_filename):
- """Get exe->egg path translations for a given .exe file"""
-
- prefixes = [
- ('PURELIB/', ''),
- ('PLATLIB/', ''),
- ('SCRIPTS/', 'EGG-INFO/scripts/')
- ]
- z = zipfile.ZipFile(exe_filename)
- try:
- for info in z.infolist():
- name = info.filename
- parts = name.split('/')
- if len(parts)==3 and parts[2]=='PKG-INFO':
- if parts[1].endswith('.egg-info'):
- prefixes.insert(0,('/'.join(parts[:2]), 'EGG-INFO/'))
- break
- if len(parts)<>2 or not name.endswith('.pth'):
- continue
- if name.endswith('-nspkg.pth'):
- continue
- if parts[0] in ('PURELIB','PLATLIB'):
- for pth in yield_lines(z.read(name)):
- pth = pth.strip().replace('\\','/')
- if not pth.startswith('import'):
- prefixes.append((('%s/%s/' % (parts[0],pth)), ''))
- finally:
- z.close()
-
- prefixes.sort(); prefixes.reverse()
- return prefixes
-
-
-def parse_requirement_arg(spec):
- try:
- return Requirement.parse(spec)
- except ValueError:
- raise DistutilsError(
- "Not a URL, existing file, or requirement spec: %r" % (spec,)
- )
-
-class PthDistributions(Environment):
- """A .pth file with Distribution paths in it"""
-
- dirty = False
-
- def __init__(self, filename):
- self.filename = filename
- self.basedir = normalize_path(os.path.dirname(self.filename))
- self._load(); Environment.__init__(self, [], None, None)
- for path in yield_lines(self.paths):
- map(self.add, find_distributions(path, True))
-
- def _load(self):
- self.paths = []
- saw_import = False
- seen = {}
- if os.path.isfile(self.filename):
- for line in open(self.filename,'rt'):
- if line.startswith('import'):
- saw_import = True
- continue
- path = line.rstrip()
- self.paths.append(path)
- if not path.strip() or path.strip().startswith('#'):
- continue
- # skip non-existent paths, in case somebody deleted a package
- # manually, and duplicate paths as well
- path = self.paths[-1] = normalize_path(
- os.path.join(self.basedir,path)
- )
- if not os.path.exists(path) or path in seen:
- self.paths.pop() # skip it
- self.dirty = True # we cleaned up, so we're dirty now :)
- continue
- seen[path] = 1
-
- if self.paths and not saw_import:
- self.dirty = True # ensure anything we touch has import wrappers
- while self.paths and not self.paths[-1].strip():
- self.paths.pop()
-
- def save(self):
- """Write changed .pth file back to disk"""
- if not self.dirty:
- return
-
- data = '\n'.join(map(self.make_relative,self.paths))
- if data:
- log.debug("Saving %s", self.filename)
- data = (
- "import sys; sys.__plen = len(sys.path)\n"
- "%s\n"
- "import sys; new=sys.path[sys.__plen:];"
- " del sys.path[sys.__plen:];"
- " p=getattr(sys,'__egginsert',0); sys.path[p:p]=new;"
- " sys.__egginsert = p+len(new)\n"
- ) % data
-
- if os.path.islink(self.filename):
- os.unlink(self.filename)
- f = open(self.filename,'wb')
- f.write(data); f.close()
-
- elif os.path.exists(self.filename):
- log.debug("Deleting empty %s", self.filename)
- os.unlink(self.filename)
-
- self.dirty = False
-
- def add(self,dist):
- """Add `dist` to the distribution map"""
- if dist.location not in self.paths:
- self.paths.append(dist.location); self.dirty = True
- Environment.add(self,dist)
-
- def remove(self,dist):
- """Remove `dist` from the distribution map"""
- while dist.location in self.paths:
- self.paths.remove(dist.location); self.dirty = True
- Environment.remove(self,dist)
-
-
- def make_relative(self,path):
- if normalize_path(os.path.dirname(path))==self.basedir:
- return os.path.basename(path)
- return path
-
-
-def get_script_header(script_text, executable=sys_executable):
- """Create a #! line, getting options (if any) from script_text"""
- from distutils.command.build_scripts import first_line_re
- first, rest = (script_text+'\n').split('\n',1)
- match = first_line_re.match(first)
- options = ''
- if match:
- script_text = rest
- options = match.group(1) or ''
- if options:
- options = ' '+options
- return "#!%(executable)s%(options)s\n" % locals()
-
-
-def auto_chmod(func, arg, exc):
- if func is os.remove and os.name=='nt':
- os.chmod(arg, stat.S_IWRITE)
- return func(arg)
- exc = sys.exc_info()
- raise exc[0], (exc[1][0], exc[1][1] + (" %s %s" % (func,arg)))
-
-
-def uncache_zipdir(path):
- """Ensure that the zip directory cache doesn't have stale info for path"""
- from zipimport import _zip_directory_cache as zdc
- if path in zdc:
- del zdc[path]
- else:
- path = normalize_path(path)
- for p in zdc:
- if normalize_path(p)==path:
- del zdc[p]
- return
-
-
-def get_script_args(dist, executable=sys_executable):
- """Yield write_script() argument tuples for a distribution's entrypoints"""
- spec = str(dist.as_requirement())
- header = get_script_header("", executable)
- for group in 'console_scripts', 'gui_scripts':
- for name,ep in dist.get_entry_map(group).items():
- script_text = (
- "# EASY-INSTALL-ENTRY-SCRIPT: %(spec)r,%(group)r,%(name)r\n"
- "__requires__ = %(spec)r\n"
- "import sys\n"
- "from pkg_resources import load_entry_point\n"
- "\n"
- "sys.exit(\n"
- " load_entry_point(%(spec)r, %(group)r, %(name)r)()\n"
- ")\n"
- ) % locals()
- if sys.platform=='win32':
- # On Windows, add a .py extension and an .exe launcher
- if group=='gui_scripts':
- ext, launcher = '-script.pyw', 'gui.exe'
- old = ['.pyw']
- new_header = re.sub('(?i)python.exe','pythonw.exe',header)
- else:
- ext, launcher = '-script.py', 'cli.exe'
- old = ['.py','.pyc','.pyo']
- new_header = re.sub('(?i)pythonw.exe','pythonw.exe',header)
-
- if os.path.exists(new_header[2:-1]):
- hdr = new_header
- else:
- hdr = header
- yield (name+ext, hdr+script_text, 't', [name+x for x in old])
- yield (
- name+'.exe', resource_string('setuptools', launcher),
- 'b' # write in binary mode
- )
- else:
- # On other platforms, we assume the right thing to do is to
- # just write the stub with no extension.
- yield (name, header+script_text)
-
-def rmtree(path, ignore_errors=False, onerror=auto_chmod):
- """Recursively delete a directory tree.
-
- This code is taken from the Python 2.4 version of 'shutil', because
- the 2.3 version doesn't really work right.
- """
- if ignore_errors:
- def onerror(*args):
- pass
- elif onerror is None:
- def onerror(*args):
- raise
- names = []
- try:
- names = os.listdir(path)
- except os.error, err:
- onerror(os.listdir, path, sys.exc_info())
- for name in names:
- fullname = os.path.join(path, name)
- try:
- mode = os.lstat(fullname).st_mode
- except os.error:
- mode = 0
- if stat.S_ISDIR(mode):
- rmtree(fullname, ignore_errors, onerror)
- else:
- try:
- os.remove(fullname)
- except os.error, err:
- onerror(os.remove, fullname, sys.exc_info())
- try:
- os.rmdir(path)
- except os.error:
- onerror(os.rmdir, path, sys.exc_info())
-
-
-
-
-
-
-
-def main(argv=None, **kw):
- from setuptools import setup
- from setuptools.dist import Distribution
- import distutils.core
-
- USAGE = """\
-usage: %(script)s [options] requirement_or_url ...
- or: %(script)s --help
-"""
-
- def gen_usage (script_name):
- script = os.path.basename(script_name)
- return USAGE % vars()
-
- def with_ei_usage(f):
- old_gen_usage = distutils.core.gen_usage
- try:
- distutils.core.gen_usage = gen_usage
- return f()
- finally:
- distutils.core.gen_usage = old_gen_usage
-
- class DistributionWithoutHelpCommands(Distribution):
- def _show_help(self,*args,**kw):
- with_ei_usage(lambda: Distribution._show_help(self,*args,**kw))
-
- if argv is None:
- argv = sys.argv[1:]
-
- with_ei_usage(lambda:
- setup(
- script_args = ['-q','easy_install', '-v']+argv,
- script_name = sys.argv[0] or 'easy_install',
- distclass=DistributionWithoutHelpCommands, **kw
- )
- )