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bootstrap-ponyd.py
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bootstrap-ponyd.py
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#!/usr/bin/env python
## WARNING: This file is generated
#!/usr/bin/env python
"""Create a "virtual" Python installation
"""
# If you change the version here, change it in setup.py
# and docs/conf.py as well.
__version__ = "1.7.2" # following best practices
virtualenv_version = __version__ # legacy, again
import base64
import sys
import os
import codecs
import optparse
import re
import shutil
import logging
import tempfile
import zlib
import errno
import distutils.sysconfig
from distutils.util import strtobool
import struct
try:
import subprocess
except ImportError:
if sys.version_info <= (2, 3):
print('ERROR: %s' % sys.exc_info()[1])
print('ERROR: this script requires Python 2.4 or greater; or at least the subprocess module.')
print('If you copy subprocess.py from a newer version of Python this script will probably work')
sys.exit(101)
else:
raise
try:
set
except NameError:
from sets import Set as set
try:
basestring
except NameError:
basestring = str
try:
import ConfigParser
except ImportError:
import configparser as ConfigParser
join = os.path.join
py_version = 'python%s.%s' % (sys.version_info[0], sys.version_info[1])
is_jython = sys.platform.startswith('java')
is_pypy = hasattr(sys, 'pypy_version_info')
is_win = (sys.platform == 'win32')
abiflags = getattr(sys, 'abiflags', '')
user_dir = os.path.expanduser('~')
if sys.platform == 'win32':
user_dir = os.environ.get('APPDATA', user_dir) # Use %APPDATA% for roaming
default_storage_dir = os.path.join(user_dir, 'virtualenv')
else:
default_storage_dir = os.path.join(user_dir, '.virtualenv')
default_config_file = os.path.join(default_storage_dir, 'virtualenv.ini')
if is_pypy:
expected_exe = 'pypy'
elif is_jython:
expected_exe = 'jython'
else:
expected_exe = 'python'
REQUIRED_MODULES = ['os', 'posix', 'posixpath', 'nt', 'ntpath', 'genericpath',
'fnmatch', 'locale', 'encodings', 'codecs',
'stat', 'UserDict', 'readline', 'copy_reg', 'types',
're', 'sre', 'sre_parse', 'sre_constants', 'sre_compile',
'zlib']
REQUIRED_FILES = ['lib-dynload', 'config']
majver, minver = sys.version_info[:2]
if majver == 2:
if minver >= 6:
REQUIRED_MODULES.extend(['warnings', 'linecache', '_abcoll', 'abc'])
if minver >= 7:
REQUIRED_MODULES.extend(['_weakrefset'])
if minver <= 3:
REQUIRED_MODULES.extend(['sets', '__future__'])
elif majver == 3:
# Some extra modules are needed for Python 3, but different ones
# for different versions.
REQUIRED_MODULES.extend(['_abcoll', 'warnings', 'linecache', 'abc', 'io',
'_weakrefset', 'copyreg', 'tempfile', 'random',
'__future__', 'collections', 'keyword', 'tarfile',
'shutil', 'struct', 'copy'])
if minver >= 2:
REQUIRED_FILES[-1] = 'config-%s' % majver
if minver == 3:
# The whole list of 3.3 modules is reproduced below - the current
# uncommented ones are required for 3.3 as of now, but more may be
# added as 3.3 development continues.
REQUIRED_MODULES.extend([
#"aifc",
#"antigravity",
#"argparse",
#"ast",
#"asynchat",
#"asyncore",
"base64",
#"bdb",
#"binhex",
"bisect",
#"calendar",
#"cgi",
#"cgitb",
#"chunk",
#"cmd",
#"codeop",
#"code",
#"colorsys",
#"_compat_pickle",
#"compileall",
#"concurrent",
#"configparser",
#"contextlib",
#"cProfile",
#"crypt",
#"csv",
#"ctypes",
#"curses",
#"datetime",
#"dbm",
#"decimal",
#"difflib",
#"dis",
#"doctest",
#"dummy_threading",
"_dummy_thread",
#"email",
#"filecmp",
#"fileinput",
#"formatter",
#"fractions",
#"ftplib",
#"functools",
#"getopt",
#"getpass",
#"gettext",
#"glob",
#"gzip",
"hashlib",
"heapq",
"hmac",
#"html",
#"http",
#"idlelib",
#"imaplib",
#"imghdr",
#"importlib",
#"inspect",
#"json",
#"lib2to3",
#"logging",
#"macpath",
#"macurl2path",
#"mailbox",
#"mailcap",
#"_markupbase",
#"mimetypes",
#"modulefinder",
#"multiprocessing",
#"netrc",
#"nntplib",
#"nturl2path",
#"numbers",
#"opcode",
#"optparse",
#"os2emxpath",
#"pdb",
#"pickle",
#"pickletools",
#"pipes",
#"pkgutil",
#"platform",
#"plat-linux2",
#"plistlib",
#"poplib",
#"pprint",
#"profile",
#"pstats",
#"pty",
#"pyclbr",
#"py_compile",
#"pydoc_data",
#"pydoc",
#"_pyio",
#"queue",
#"quopri",
"reprlib",
"rlcompleter",
#"runpy",
#"sched",
#"shelve",
#"shlex",
#"smtpd",
#"smtplib",
#"sndhdr",
#"socket",
#"socketserver",
#"sqlite3",
#"ssl",
#"stringprep",
#"string",
#"_strptime",
#"subprocess",
#"sunau",
#"symbol",
#"symtable",
#"sysconfig",
#"tabnanny",
#"telnetlib",
#"test",
#"textwrap",
#"this",
#"_threading_local",
#"threading",
#"timeit",
#"tkinter",
#"tokenize",
#"token",
#"traceback",
#"trace",
#"tty",
#"turtledemo",
#"turtle",
#"unittest",
#"urllib",
#"uuid",
#"uu",
#"wave",
"weakref",
#"webbrowser",
#"wsgiref",
#"xdrlib",
#"xml",
#"xmlrpc",
#"zipfile",
])
if is_pypy:
# these are needed to correctly display the exceptions that may happen
# during the bootstrap
REQUIRED_MODULES.extend(['traceback', 'linecache'])
class Logger(object):
"""
Logging object for use in command-line script. Allows ranges of
levels, to avoid some redundancy of displayed information.
"""
DEBUG = logging.DEBUG
INFO = logging.INFO
NOTIFY = (logging.INFO+logging.WARN)/2
WARN = WARNING = logging.WARN
ERROR = logging.ERROR
FATAL = logging.FATAL
LEVELS = [DEBUG, INFO, NOTIFY, WARN, ERROR, FATAL]
def __init__(self, consumers):
self.consumers = consumers
self.indent = 0
self.in_progress = None
self.in_progress_hanging = False
def debug(self, msg, *args, **kw):
self.log(self.DEBUG, msg, *args, **kw)
def info(self, msg, *args, **kw):
self.log(self.INFO, msg, *args, **kw)
def notify(self, msg, *args, **kw):
self.log(self.NOTIFY, msg, *args, **kw)
def warn(self, msg, *args, **kw):
self.log(self.WARN, msg, *args, **kw)
def error(self, msg, *args, **kw):
self.log(self.WARN, msg, *args, **kw)
def fatal(self, msg, *args, **kw):
self.log(self.FATAL, msg, *args, **kw)
def log(self, level, msg, *args, **kw):
if args:
if kw:
raise TypeError(
"You may give positional or keyword arguments, not both")
args = args or kw
rendered = None
for consumer_level, consumer in self.consumers:
if self.level_matches(level, consumer_level):
if (self.in_progress_hanging
and consumer in (sys.stdout, sys.stderr)):
self.in_progress_hanging = False
sys.stdout.write('\n')
sys.stdout.flush()
if rendered is None:
if args:
rendered = msg % args
else:
rendered = msg
rendered = ' '*self.indent + rendered
if hasattr(consumer, 'write'):
consumer.write(rendered+'\n')
else:
consumer(rendered)
def start_progress(self, msg):
assert not self.in_progress, (
"Tried to start_progress(%r) while in_progress %r"
% (msg, self.in_progress))
if self.level_matches(self.NOTIFY, self._stdout_level()):
sys.stdout.write(msg)
sys.stdout.flush()
self.in_progress_hanging = True
else:
self.in_progress_hanging = False
self.in_progress = msg
def end_progress(self, msg='done.'):
assert self.in_progress, (
"Tried to end_progress without start_progress")
if self.stdout_level_matches(self.NOTIFY):
if not self.in_progress_hanging:
# Some message has been printed out since start_progress
sys.stdout.write('...' + self.in_progress + msg + '\n')
sys.stdout.flush()
else:
sys.stdout.write(msg + '\n')
sys.stdout.flush()
self.in_progress = None
self.in_progress_hanging = False
def show_progress(self):
"""If we are in a progress scope, and no log messages have been
shown, write out another '.'"""
if self.in_progress_hanging:
sys.stdout.write('.')
sys.stdout.flush()
def stdout_level_matches(self, level):
"""Returns true if a message at this level will go to stdout"""
return self.level_matches(level, self._stdout_level())
def _stdout_level(self):
"""Returns the level that stdout runs at"""
for level, consumer in self.consumers:
if consumer is sys.stdout:
return level
return self.FATAL
def level_matches(self, level, consumer_level):
"""
>>> l = Logger([])
>>> l.level_matches(3, 4)
False
>>> l.level_matches(3, 2)
True
>>> l.level_matches(slice(None, 3), 3)
False
>>> l.level_matches(slice(None, 3), 2)
True
>>> l.level_matches(slice(1, 3), 1)
True
>>> l.level_matches(slice(2, 3), 1)
False
"""
if isinstance(level, slice):
start, stop = level.start, level.stop
if start is not None and start > consumer_level:
return False
if stop is not None and stop <= consumer_level:
return False
return True
else:
return level >= consumer_level
#@classmethod
def level_for_integer(cls, level):
levels = cls.LEVELS
if level < 0:
return levels[0]
if level >= len(levels):
return levels[-1]
return levels[level]
level_for_integer = classmethod(level_for_integer)
# create a silent logger just to prevent this from being undefined
# will be overridden with requested verbosity main() is called.
logger = Logger([(Logger.LEVELS[-1], sys.stdout)])
def mkdir(path):
if not os.path.exists(path):
logger.info('Creating %s', path)
os.makedirs(path)
else:
logger.info('Directory %s already exists', path)
def copyfileordir(src, dest):
if os.path.isdir(src):
shutil.copytree(src, dest, True)
else:
shutil.copy2(src, dest)
def copyfile(src, dest, symlink=True):
if not os.path.exists(src):
# Some bad symlink in the src
logger.warn('Cannot find file %s (bad symlink)', src)
return
if os.path.exists(dest):
logger.debug('File %s already exists', dest)
return
if not os.path.exists(os.path.dirname(dest)):
logger.info('Creating parent directories for %s' % os.path.dirname(dest))
os.makedirs(os.path.dirname(dest))
if not os.path.islink(src):
srcpath = os.path.abspath(src)
else:
srcpath = os.readlink(src)
if symlink and hasattr(os, 'symlink') and not is_win:
logger.info('Symlinking %s', dest)
try:
os.symlink(srcpath, dest)
except (OSError, NotImplementedError):
logger.info('Symlinking failed, copying to %s', dest)
copyfileordir(src, dest)
else:
logger.info('Copying to %s', dest)
copyfileordir(src, dest)
def writefile(dest, content, overwrite=True):
if not os.path.exists(dest):
logger.info('Writing %s', dest)
f = open(dest, 'wb')
f.write(content.encode('utf-8'))
f.close()
return
else:
f = open(dest, 'rb')
c = f.read()
f.close()
if c != content.encode("utf-8"):
if not overwrite:
logger.notify('File %s exists with different content; not overwriting', dest)
return
logger.notify('Overwriting %s with new content', dest)
f = open(dest, 'wb')
f.write(content.encode('utf-8'))
f.close()
else:
logger.info('Content %s already in place', dest)
def rmtree(dir):
if os.path.exists(dir):
logger.notify('Deleting tree %s', dir)
shutil.rmtree(dir)
else:
logger.info('Do not need to delete %s; already gone', dir)
def make_exe(fn):
if hasattr(os, 'chmod'):
oldmode = os.stat(fn).st_mode & 0xFFF # 0o7777
newmode = (oldmode | 0x16D) & 0xFFF # 0o555, 0o7777
os.chmod(fn, newmode)
logger.info('Changed mode of %s to %s', fn, oct(newmode))
def _find_file(filename, dirs):
for dir in reversed(dirs):
if os.path.exists(join(dir, filename)):
return join(dir, filename)
return filename
def _install_req(py_executable, unzip=False, distribute=False,
search_dirs=None, never_download=False):
if search_dirs is None:
search_dirs = file_search_dirs()
if not distribute:
setup_fn = 'setuptools-0.6c11-py%s.egg' % sys.version[:3]
project_name = 'setuptools'
bootstrap_script = EZ_SETUP_PY
source = None
else:
setup_fn = None
source = 'distribute-0.6.27.tar.gz'
project_name = 'distribute'
bootstrap_script = DISTRIBUTE_SETUP_PY
if setup_fn is not None:
setup_fn = _find_file(setup_fn, search_dirs)
if source is not None:
source = _find_file(source, search_dirs)
if is_jython and os._name == 'nt':
# Jython's .bat sys.executable can't handle a command line
# argument with newlines
fd, ez_setup = tempfile.mkstemp('.py')
os.write(fd, bootstrap_script)
os.close(fd)
cmd = [py_executable, ez_setup]
else:
cmd = [py_executable, '-c', bootstrap_script]
if unzip:
cmd.append('--always-unzip')
env = {}
remove_from_env = []
if logger.stdout_level_matches(logger.DEBUG):
cmd.append('-v')
old_chdir = os.getcwd()
if setup_fn is not None and os.path.exists(setup_fn):
logger.info('Using existing %s egg: %s' % (project_name, setup_fn))
cmd.append(setup_fn)
if os.environ.get('PYTHONPATH'):
env['PYTHONPATH'] = setup_fn + os.path.pathsep + os.environ['PYTHONPATH']
else:
env['PYTHONPATH'] = setup_fn
else:
# the source is found, let's chdir
if source is not None and os.path.exists(source):
logger.info('Using existing %s egg: %s' % (project_name, source))
os.chdir(os.path.dirname(source))
# in this case, we want to be sure that PYTHONPATH is unset (not
# just empty, really unset), else CPython tries to import the
# site.py that it's in virtualenv_support
remove_from_env.append('PYTHONPATH')
else:
if never_download:
logger.fatal("Can't find any local distributions of %s to install "
"and --never-download is set. Either re-run virtualenv "
"without the --never-download option, or place a %s "
"distribution (%s) in one of these "
"locations: %r" % (project_name, project_name,
setup_fn or source,
search_dirs))
sys.exit(1)
logger.info('No %s egg found; downloading' % project_name)
cmd.extend(['--always-copy', '-U', project_name])
logger.start_progress('Installing %s...' % project_name)
logger.indent += 2
cwd = None
if project_name == 'distribute':
env['DONT_PATCH_SETUPTOOLS'] = 'true'
def _filter_ez_setup(line):
return filter_ez_setup(line, project_name)
if not os.access(os.getcwd(), os.W_OK):
cwd = tempfile.mkdtemp()
if source is not None and os.path.exists(source):
# the current working dir is hostile, let's copy the
# tarball to a temp dir
target = os.path.join(cwd, os.path.split(source)[-1])
shutil.copy(source, target)
try:
call_subprocess(cmd, show_stdout=False,
filter_stdout=_filter_ez_setup,
extra_env=env,
remove_from_env=remove_from_env,
cwd=cwd)
finally:
logger.indent -= 2
logger.end_progress()
if cwd is not None:
shutil.rmtree(cwd)
if os.getcwd() != old_chdir:
os.chdir(old_chdir)
if is_jython and os._name == 'nt':
os.remove(ez_setup)
def file_search_dirs():
here = os.path.dirname(os.path.abspath(__file__))
dirs = ['.', here,
join(here, 'virtualenv_support')]
if os.path.splitext(os.path.dirname(__file__))[0] != 'virtualenv':
# Probably some boot script; just in case virtualenv is installed...
try:
import virtualenv
except ImportError:
pass
else:
dirs.append(os.path.join(os.path.dirname(virtualenv.__file__), 'virtualenv_support'))
return [d for d in dirs if os.path.isdir(d)]
def install_setuptools(py_executable, unzip=False,
search_dirs=None, never_download=False):
_install_req(py_executable, unzip,
search_dirs=search_dirs, never_download=never_download)
def install_distribute(py_executable, unzip=False,
search_dirs=None, never_download=False):
_install_req(py_executable, unzip, distribute=True,
search_dirs=search_dirs, never_download=never_download)
_pip_re = re.compile(r'^pip-.*(zip|tar.gz|tar.bz2|tgz|tbz)$', re.I)
def install_pip(py_executable, search_dirs=None, never_download=False):
if search_dirs is None:
search_dirs = file_search_dirs()
filenames = []
for dir in search_dirs:
filenames.extend([join(dir, fn) for fn in os.listdir(dir)
if _pip_re.search(fn)])
filenames = [(os.path.basename(filename).lower(), i, filename) for i, filename in enumerate(filenames)]
filenames.sort()
filenames = [filename for basename, i, filename in filenames]
if not filenames:
filename = 'pip'
else:
filename = filenames[-1]
easy_install_script = 'easy_install'
if sys.platform == 'win32':
easy_install_script = 'easy_install-script.py'
# There's two subtle issues here when invoking easy_install.
# 1. On unix-like systems the easy_install script can *only* be executed
# directly if its full filesystem path is no longer than 78 characters.
# 2. A work around to [1] is to use the `python path/to/easy_install foo`
# pattern, but that breaks if the path contains non-ASCII characters, as
# you can't put the file encoding declaration before the shebang line.
# The solution is to use Python's -x flag to skip the first line of the
# script (and any ASCII decoding errors that may have occurred in that line)
cmd = [py_executable, '-x', join(os.path.dirname(py_executable), easy_install_script), filename]
# jython and pypy don't yet support -x
if is_jython or is_pypy:
cmd.remove('-x')
if filename == 'pip':
if never_download:
logger.fatal("Can't find any local distributions of pip to install "
"and --never-download is set. Either re-run virtualenv "
"without the --never-download option, or place a pip "
"source distribution (zip/tar.gz/tar.bz2) in one of these "
"locations: %r" % search_dirs)
sys.exit(1)
logger.info('Installing pip from network...')
else:
logger.info('Installing existing %s distribution: %s' % (
os.path.basename(filename), filename))
logger.start_progress('Installing pip...')
logger.indent += 2
def _filter_setup(line):
return filter_ez_setup(line, 'pip')
try:
call_subprocess(cmd, show_stdout=False,
filter_stdout=_filter_setup)
finally:
logger.indent -= 2
logger.end_progress()
def filter_ez_setup(line, project_name='setuptools'):
if not line.strip():
return Logger.DEBUG
if project_name == 'distribute':
for prefix in ('Extracting', 'Now working', 'Installing', 'Before',
'Scanning', 'Setuptools', 'Egg', 'Already',
'running', 'writing', 'reading', 'installing',
'creating', 'copying', 'byte-compiling', 'removing',
'Processing'):
if line.startswith(prefix):
return Logger.DEBUG
return Logger.DEBUG
for prefix in ['Reading ', 'Best match', 'Processing setuptools',
'Copying setuptools', 'Adding setuptools',
'Installing ', 'Installed ']:
if line.startswith(prefix):
return Logger.DEBUG
return Logger.INFO
class UpdatingDefaultsHelpFormatter(optparse.IndentedHelpFormatter):
"""
Custom help formatter for use in ConfigOptionParser that updates
the defaults before expanding them, allowing them to show up correctly
in the help listing
"""
def expand_default(self, option):
if self.parser is not None:
self.parser.update_defaults(self.parser.defaults)
return optparse.IndentedHelpFormatter.expand_default(self, option)
class ConfigOptionParser(optparse.OptionParser):
"""
Custom option parser which updates its defaults by by checking the
configuration files and environmental variables
"""
def __init__(self, *args, **kwargs):
self.config = ConfigParser.RawConfigParser()
self.files = self.get_config_files()
self.config.read(self.files)
optparse.OptionParser.__init__(self, *args, **kwargs)
def get_config_files(self):
config_file = os.environ.get('VIRTUALENV_CONFIG_FILE', False)
if config_file and os.path.exists(config_file):
return [config_file]
return [default_config_file]
def update_defaults(self, defaults):
"""
Updates the given defaults with values from the config files and
the environ. Does a little special handling for certain types of
options (lists).
"""
# Then go and look for the other sources of configuration:
config = {}
# 1. config files
config.update(dict(self.get_config_section('virtualenv')))
# 2. environmental variables
config.update(dict(self.get_environ_vars()))
# Then set the options with those values
for key, val in config.items():
key = key.replace('_', '-')
if not key.startswith('--'):
key = '--%s' % key # only prefer long opts
option = self.get_option(key)
if option is not None:
# ignore empty values
if not val:
continue
# handle multiline configs
if option.action == 'append':
val = val.split()
else:
option.nargs = 1
if option.action in ('store_true', 'store_false', 'count'):
val = strtobool(val)
try:
val = option.convert_value(key, val)
except optparse.OptionValueError:
e = sys.exc_info()[1]
print("An error occured during configuration: %s" % e)
sys.exit(3)
defaults[option.dest] = val
return defaults
def get_config_section(self, name):
"""
Get a section of a configuration
"""
if self.config.has_section(name):
return self.config.items(name)
return []
def get_environ_vars(self, prefix='VIRTUALENV_'):
"""
Returns a generator with all environmental vars with prefix VIRTUALENV
"""
for key, val in os.environ.items():
if key.startswith(prefix):
yield (key.replace(prefix, '').lower(), val)
def get_default_values(self):
"""
Overridding to make updating the defaults after instantiation of
the option parser possible, update_defaults() does the dirty work.
"""
if not self.process_default_values:
# Old, pre-Optik 1.5 behaviour.
return optparse.Values(self.defaults)
defaults = self.update_defaults(self.defaults.copy()) # ours
for option in self._get_all_options():
default = defaults.get(option.dest)
if isinstance(default, basestring):
opt_str = option.get_opt_string()
defaults[option.dest] = option.check_value(opt_str, default)
return optparse.Values(defaults)
def main():
parser = ConfigOptionParser(
version=virtualenv_version,
usage="%prog [OPTIONS] DEST_DIR",
formatter=UpdatingDefaultsHelpFormatter())
parser.add_option(
'-v', '--verbose',
action='count',
dest='verbose',
default=0,
help="Increase verbosity")
parser.add_option(
'-q', '--quiet',
action='count',
dest='quiet',
default=0,
help='Decrease verbosity')
parser.add_option(
'-p', '--python',
dest='python',
metavar='PYTHON_EXE',
help='The Python interpreter to use, e.g., --python=python2.5 will use the python2.5 '
'interpreter to create the new environment. The default is the interpreter that '
'virtualenv was installed with (%s)' % sys.executable)
parser.add_option(
'--clear',
dest='clear',
action='store_true',
help="Clear out the non-root install and start from scratch")
parser.add_option(
'--no-site-packages',
dest='no_site_packages',
action='store_true',
help="Don't give access to the global site-packages dir to the "
"virtual environment (default; deprecated)")
parser.add_option(
'--system-site-packages',
dest='system_site_packages',
action='store_true',
help="Give access to the global site-packages dir to the "
"virtual environment")
parser.add_option(
'--unzip-setuptools',
dest='unzip_setuptools',
action='store_true',
help="Unzip Setuptools or Distribute when installing it")
parser.add_option(
'--relocatable',
dest='relocatable',
action='store_true',
help='Make an EXISTING virtualenv environment relocatable. '
'This fixes up scripts and makes all .pth files relative')
parser.add_option(
'--distribute', '--use-distribute', # the second option is for legacy reasons here. Hi Kenneth!
dest='use_distribute',
action='store_true',
help='Use Distribute instead of Setuptools. Set environ variable '
'VIRTUALENV_DISTRIBUTE to make it the default ')
default_search_dirs = file_search_dirs()
parser.add_option(
'--extra-search-dir',
dest="search_dirs",
action="append",
default=default_search_dirs,
help="Directory to look for setuptools/distribute/pip distributions in. "
"You can add any number of additional --extra-search-dir paths.")
parser.add_option(
'--never-download',
dest="never_download",
action="store_true",
help="Never download anything from the network. Instead, virtualenv will fail "
"if local distributions of setuptools/distribute/pip are not present.")
parser.add_option(
'--prompt',
dest='prompt',
help='Provides an alternative prompt prefix for this environment')
if 'extend_parser' in globals():
extend_parser(parser)
options, args = parser.parse_args()
global logger
if 'adjust_options' in globals():
adjust_options(options, args)
verbosity = options.verbose - options.quiet
logger = Logger([(Logger.level_for_integer(2 - verbosity), sys.stdout)])
if options.python and not os.environ.get('VIRTUALENV_INTERPRETER_RUNNING'):
env = os.environ.copy()
interpreter = resolve_interpreter(options.python)
if interpreter == sys.executable:
logger.warn('Already using interpreter %s' % interpreter)
else:
logger.notify('Running virtualenv with interpreter %s' % interpreter)
env['VIRTUALENV_INTERPRETER_RUNNING'] = 'true'
file = __file__
if file.endswith('.pyc'):
file = file[:-1]
popen = subprocess.Popen([interpreter, file] + sys.argv[1:], env=env)
raise SystemExit(popen.wait())
# Force --distribute on Python 3, since setuptools is not available.
if majver > 2:
options.use_distribute = True
if os.environ.get('PYTHONDONTWRITEBYTECODE') and not options.use_distribute:
print(
"The PYTHONDONTWRITEBYTECODE environment variable is "
"not compatible with setuptools. Either use --distribute "
"or unset PYTHONDONTWRITEBYTECODE.")
sys.exit(2)
if not args:
print('You must provide a DEST_DIR')
parser.print_help()
sys.exit(2)
if len(args) > 1:
print('There must be only one argument: DEST_DIR (you gave %s)' % (
' '.join(args)))
parser.print_help()
sys.exit(2)
home_dir = args[0]
if os.environ.get('WORKING_ENV'):
logger.fatal('ERROR: you cannot run virtualenv while in a workingenv')
logger.fatal('Please deactivate your workingenv, then re-run this script')
sys.exit(3)
if 'PYTHONHOME' in os.environ:
logger.warn('PYTHONHOME is set. You *must* activate the virtualenv before using it')
del os.environ['PYTHONHOME']
if options.relocatable:
make_environment_relocatable(home_dir)
return
if options.no_site_packages:
logger.warn('The --no-site-packages flag is deprecated; it is now '
'the default behavior.')
create_environment(home_dir,
site_packages=options.system_site_packages,
clear=options.clear,
unzip_setuptools=options.unzip_setuptools,
use_distribute=options.use_distribute,
prompt=options.prompt,
search_dirs=options.search_dirs,
never_download=options.never_download)
if 'after_install' in globals():
after_install(options, home_dir)
def call_subprocess(cmd, show_stdout=True,
filter_stdout=None, cwd=None,
raise_on_returncode=True, extra_env=None,
remove_from_env=None):
cmd_parts = []
for part in cmd:
if len(part) > 45:
part = part[:20]+"..."+part[-20:]
if ' ' in part or '\n' in part or '"' in part or "'" in part:
part = '"%s"' % part.replace('"', '\\"')
if hasattr(part, 'decode'):
try:
part = part.decode(sys.getdefaultencoding())
except UnicodeDecodeError:
part = part.decode(sys.getfilesystemencoding())
cmd_parts.append(part)
cmd_desc = ' '.join(cmd_parts)
if show_stdout:
stdout = None
else:
stdout = subprocess.PIPE
logger.debug("Running command %s" % cmd_desc)
if extra_env or remove_from_env:
env = os.environ.copy()
if extra_env:
env.update(extra_env)
if remove_from_env:
for varname in remove_from_env:
env.pop(varname, None)
else:
env = None
try:
proc = subprocess.Popen(
cmd, stderr=subprocess.STDOUT, stdin=None, stdout=stdout,
cwd=cwd, env=env)
except Exception:
e = sys.exc_info()[1]
logger.fatal(
"Error %s while executing command %s" % (e, cmd_desc))
raise
all_output = []
if stdout is not None:
stdout = proc.stdout
encoding = sys.getdefaultencoding()
fs_encoding = sys.getfilesystemencoding()
while 1:
line = stdout.readline()
try:
line = line.decode(encoding)
except UnicodeDecodeError:
line = line.decode(fs_encoding)
if not line:
break