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tahoe-lafs/setuptools-0.6c15dev.egg/setuptools/command/easy_install.py

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setup: upgrade bundled zetuptoolz to zetuptoolz-0.6c15dev and make it unpacked and directly loaded by setup.py Also fix the relevant "make clean" target behavior.
2010-05-23 20:52:28 +00:00
#!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"),
('local-snapshots-ok', 'l', "allow building eggs from local checkouts"),
]
boolean_options = [
'zip-ok', 'multi-version', 'exclude-scripts', 'upgrade', 'always-copy',
'delete-conflicting', 'ignore-conflicts-at-my-risk', 'editable',
'no-deps', 'local-snapshots-ok',
]
negative_opt = {'always-unzip': 'zip-ok'}
create_index = PackageIndex
def initialize_options(self):
self.zip_ok = self.local_snapshots_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 = self.always_copy_from = 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))
if not self.editable: self.check_site_dir()
self.index_url = self.index_url or "http://pypi.python.org/simple"
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+sys.path, hosts=hosts,
)
self.local_index = Environment(self.shadow_path+sys.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 = []
if self.local_snapshots_ok:
self.package_index.scan_egg_links(self.shadow_path+sys.path)
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')
# mkdir it if necessary
try:
os.makedirs(instdir)
except OSError:
# Oh well -- hopefully this error simply means that it is already there.
# If not the subsequent write test will identify the problem.
pass
# add it to site dirs
self.all_site_dirs.append(instdir)
# Is it a configured, PYTHONPATH, implicit, or explicit site dir?
is_site_dir = instdir in self.all_site_dirs
if not is_site_dir and not self.multi_version:
# 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
log.warn(self.no_default_version_msg())
if is_site_dir:
if self.pth_file is None:
self.pth_file = PthDistributions(pth_file, self.all_site_dirs)
else:
self.pth_file = None
if self.multi_version and not os.path.exists(pth_file):
self.sitepy_installed = True # don't need site.py in this case
self.pth_file = None # and don't create a .pth file
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
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"""
if not self.exclude_scripts and dist.metadata_isdir('scripts'):
for script_name in dist.metadata_listdir('scripts'):
self.install_script(
dist, script_name,
dist.get_metadata('scripts/'+script_name)
)
self.install_wrapper_scripts(dist)
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
if not self.editable: 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,
self.local_index
)
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 self.always_copy
install_needed = install_needed or os.path.dirname(download) == tmpdir
install_needed = install_needed or not download.endswith('.egg')
install_needed = install_needed or (
self.always_copy_from is not None and
os.path.dirname(normalize_path(download)) ==
normalize_path(self.always_copy_from)
)
if spec and not install_needed:
# at this point, we know it's a local .egg, we just don't know if
# it's already installed.
for dist in self.local_index[spec.project_name]:
if dist.location==download:
break
else:
install_needed = True # it's not in the local index
log.info("Processing %s", os.path.basename(download))
if install_needed:
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.info(self.installation_report(requirement, dist, *info))
if dist.has_metadata('dependency_links.txt'):
self.package_index.add_find_links(
dist.get_metadata_lines('dependency_links.txt')
)
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
)
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 or self.always_copy_from:
# 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())
log.info("Finished processing dependencies for %s", 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())
is_script = is_python_script(script_text, script_name)
if is_script and 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()
elif is_script:
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, 'b')
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()
chmod(target,0755)
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" % os.path.abspath(dist_filename)
)
if len(setups)>1:
raise DistutilsError(
"Multiple setup scripts in %s" % os.path.abspath(dist_filename)
)
setup_script = setups[0]
# Now run it, and return the result
if self.editable:
log.info(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):
s = src.lower()
for old,new in prefixes:
if s.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'):
parts[-1] = bdist_egg.strip_module(parts[-1])
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] = bdist_egg.strip_module(parts[-1])+'.py'
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, 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 = []; to_chmod = []
def pf(src,dst):
if dst.endswith('.py') and not src.startswith('EGG-INFO/'):
to_compile.append(dst)
elif dst.endswith('.dll') or dst.endswith('.so'):
to_chmod.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)
if not self.dry_run:
for f in to_chmod:
mode = ((os.stat(f)[stat.ST_MODE]) | 0555) & 07755
chmod(f, mode)
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
Proceeding to install. Please remember that unless you make one of
these changes you will not be able to run the installed code.
""" % (
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))
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/pywin32_system32', ''),
('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].upper() 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 = [(x.lower(),y) for x, y in prefixes]
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, sitedirs=()):
self.filename = filename; self.sitedirs=map(normalize_path, sitedirs)
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 = dict.fromkeys(self.sitedirs)
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',len(os.environ.get('PYTHONPATH','').split(os.pathsep))); 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 and dist.location not in self.sitedirs:
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):
npath, last = os.path.split(normalize_path(path))
baselen = len(self.basedir)
parts = [last]
sep = os.altsep=='/' and '/' or os.sep
while len(npath)>=baselen:
if npath==self.basedir:
parts.append(os.curdir)
parts.reverse()
return sep.join(parts)
npath, last = os.path.split(npath)
parts.append(last)
else:
return path
def get_script_header(script_text, executable=sys_executable, wininst=False):
"""Create a #! line, getting options (if any) from script_text"""
from distutils.command.build_scripts import first_line_re
first = (script_text+'\n').splitlines()[0]
match = first_line_re.match(first)
options = ''
if match:
options = match.group(1) or ''
if options: options = ' '+options
if wininst:
executable = "python.exe"
else:
executable = nt_quote_arg(executable)
hdr = "#!%(executable)s%(options)s\n" % locals()
if unicode(hdr,'ascii','ignore').encode('ascii') != hdr:
# Non-ascii path to sys.executable, use -x to prevent warnings
if options:
if options.strip().startswith('-'):
options = ' -x'+options.strip()[1:]
# else: punt, we can't do it, let the warning happen anyway
else:
options = ' -x'
executable = fix_jython_executable(executable, options)
hdr = "#!%(executable)s%(options)s\n" % locals()
return hdr
def auto_chmod(func, arg, exc):
if func is os.remove and os.name=='nt':
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 importer caches dont have stale info for `path`"""
from zipimport import _zip_directory_cache as zdc
_uncache(path, zdc)
_uncache(path, sys.path_importer_cache)
def _uncache(path, cache):
if path in cache:
del cache[path]
else:
path = normalize_path(path)
for p in cache:
if normalize_path(p)==path:
del cache[p]
return
def is_python(text, filename='<string>'):
"Is this string a valid Python script?"
try:
compile(text, filename, 'exec')
except (SyntaxError, TypeError):
return False
else:
return True
def is_sh(executable):
"""Determine if the specified executable is a .sh (contains a #! line)"""
try:
fp = open(executable)
magic = fp.read(2)
fp.close()
except (OSError,IOError): return executable
return magic == '#!'
def nt_quote_arg(arg):
"""Quote a command line argument according to Windows parsing rules"""
result = []
needquote = False
nb = 0
needquote = (" " in arg) or ("\t" in arg)
if needquote:
result.append('"')
for c in arg:
if c == '\\':
nb += 1
elif c == '"':
# double preceding backslashes, then add a \"
result.append('\\' * (nb*2) + '\\"')
nb = 0
else:
if nb:
result.append('\\' * nb)
nb = 0
result.append(c)
if nb:
result.append('\\' * nb)
if needquote:
result.append('\\' * nb) # double the trailing backslashes
result.append('"')
return ''.join(result)
def is_python_script(script_text, filename):
"""Is this text, as a whole, a Python script? (as opposed to shell/bat/etc.
"""
if filename.endswith('.py') or filename.endswith('.pyw'):
return True # extension says it's Python
if is_python(script_text, filename):
return True # it's syntactically valid Python
if script_text.startswith('#!'):
# It begins with a '#!' line, so check if 'python' is in it somewhere
return 'python' in script_text.splitlines()[0].lower()
return False # Not any Python I can recognize
try:
from os import chmod as _chmod
except ImportError:
# Jython compatibility
def _chmod(*args): pass
def chmod(path, mode):
log.debug("changing mode of %s to %o", path, mode)
try:
_chmod(path, mode)
except os.error, e:
log.debug("chmod failed: %s", e)
def fix_jython_executable(executable, options):
if sys.platform.startswith('java') and is_sh(executable):
# Workaround Jython's sys.executable being a .sh (an invalid
# shebang line interpreter)
if options:
# Can't apply the workaround, leave it broken
log.warn("WARNING: Unable to adapt shebang line for Jython,"
" the following script is NOT executable\n"
" see http://bugs.jython.org/issue1112 for"
" more information.")
else:
return '/usr/bin/env %s' % executable
return executable
def get_script_args(dist, executable=sys_executable, wininst=False):
"""Yield write_script() argument tuples for a distribution's entrypoints"""
spec = str(dist.as_requirement())
header = get_script_header("", executable, wininst)
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' or wininst:
# On Windows/wininst, 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','python.exe',header)
if os.path.exists(new_header[2:-1]) or sys.platform!='win32':
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
yield (name+'.exe.manifest', _launcher_manifest % (name,), 't')
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)
_launcher_manifest = """
<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
<assembly xmlns="urn:schemas-microsoft-com:asm.v1" manifestVersion="1.0">
<assemblyIdentity version="1.0.0.0"
processorArchitecture="X86"
name="%s.exe"
type="win32"/>
<!-- Identify the application security requirements. -->
<trustInfo xmlns="urn:schemas-microsoft-com:asm.v3">
<security>
<requestedPrivileges>
<requestedExecutionLevel level="asInvoker" uiAccess="false"/>
</requestedPrivileges>
</security>
</trustInfo>
</assembly>"""
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 bootstrap():
# This function is called when setuptools*.egg is run using /bin/sh
import setuptools; argv0 = os.path.dirname(setuptools.__path__[0])
sys.argv[0] = argv0; sys.argv.append(argv0); main()
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):
common_usage = ""
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
)
)
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