#!/usr/bin/env python ## WARNING: This file is generated #!/usr/bin/env python """Create a "virtual" Python installation """ import sys import os import optparse import shutil import logging import distutils.sysconfig try: import subprocess except ImportError, e: if sys.version_info <= (2, 3): print 'ERROR: %s' % e 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 join = os.path.join py_version = 'python%s.%s' % (sys.version_info[0], sys.version_info[1]) is_jython = sys.platform.startswith('java') expected_exe = is_jython and 'jython' or 'python' REQUIRED_MODULES = ['os', 'posix', 'posixpath', 'ntpath', 'genericpath', 'fnmatch', 'locale', 'encodings', 'codecs', 'stat', 'UserDict', 'readline', 'copy_reg', 'types', 're', 'sre', 'sre_parse', 'sre_constants', 'sre_compile', 'lib-dynload', 'config', 'zlib'] if sys.version_info[:2] == (2, 6): REQUIRED_MODULES.extend(['warnings', 'linecache', '_abcoll', 'abc']) if sys.version_info[:2] <= (2, 3): REQUIRED_MODULES.extend(['sets', '__future__']) 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 or 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) 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 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 symlink and hasattr(os, 'symlink'): logger.info('Symlinking %s', dest) os.symlink(os.path.abspath(src), dest) else: logger.info('Copying to %s', dest) if os.path.isdir(src): shutil.copytree(src, dest, True) else: shutil.copy2(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) f.close() return else: f = open(dest, 'rb') c = f.read() f.close() if c != content: 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) 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 & 07777 newmode = (oldmode | 0555) & 07777 os.chmod(fn, newmode) logger.info('Changed mode of %s to %s', fn, oct(newmode)) def install_setuptools(py_executable, unzip=False): setup_fn = 'setuptools-0.6c9-py%s.egg' % sys.version[:3] search_dirs = ['.', os.path.dirname(__file__), join(os.path.dirname(__file__), 'support-files')] 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: search_dirs.append(os.path.join(os.path.dirname(virtualenv.__file__), 'support-files')) for dir in search_dirs: if os.path.exists(join(dir, setup_fn)): setup_fn = join(dir, setup_fn) break if is_jython and os._name == 'nt': # Jython's .bat sys.executable can't handle a command line # argument with newlines import tempfile fd, ez_setup = tempfile.mkstemp('.py') os.write(fd, EZ_SETUP_PY) os.close(fd) cmd = [py_executable, ez_setup] else: cmd = [py_executable, '-c', EZ_SETUP_PY] if unzip: cmd.append('--always-unzip') env = {} if logger.stdout_level_matches(logger.DEBUG): cmd.append('-v') if os.path.exists(setup_fn): logger.info('Using existing Setuptools egg: %s', 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: logger.info('No Setuptools egg found; downloading') cmd.extend(['--always-copy', '-U', 'setuptools']) logger.start_progress('Installing setuptools...') logger.indent += 2 cwd = None if not os.access(os.getcwd(), os.W_OK): cwd = '/tmp' try: call_subprocess(cmd, show_stdout=False, filter_stdout=filter_ez_setup, extra_env=env, cwd=cwd) finally: logger.indent -= 2 logger.end_progress() if is_jython and os._name == 'nt': os.remove(ez_setup) def filter_ez_setup(line): if not line.strip(): 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 def main(): parser = optparse.OptionParser( version="1.3.4dev", usage="%prog [OPTIONS] DEST_DIR") 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") parser.add_option( '--unzip-setuptools', dest='unzip_setuptools', action='store_true', help="Unzip Setuptools 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') 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] os.execvpe(interpreter, [interpreter, file] + sys.argv[1:], env) 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 os.environ.get('PYTHONHOME'): if sys.platform == 'win32': name = '%PYTHONHOME%' else: name = '$PYTHONHOME' logger.warn('%s is set; this can cause problems creating environments' % name) if options.relocatable: make_environment_relocatable(home_dir) return create_environment(home_dir, site_packages=not options.no_site_packages, clear=options.clear, unzip_setuptools=options.unzip_setuptools) 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): cmd_parts = [] for part in cmd: if len(part) > 40: part = part[:30]+"..."+part[-5:] if ' ' in part or '\n' in part or '"' in part or "'" in part: part = '"%s"' % part.replace('"', '\\"') 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: env = os.environ.copy() env.update(extra_env) else: env = None try: proc = subprocess.Popen( cmd, stderr=subprocess.STDOUT, stdin=None, stdout=stdout, cwd=cwd, env=env) except Exception, e: logger.fatal( "Error %s while executing command %s" % (e, cmd_desc)) raise all_output = [] if stdout is not None: stdout = proc.stdout while 1: line = stdout.readline() if not line: break line = line.rstrip() all_output.append(line) if filter_stdout: level = filter_stdout(line) if isinstance(level, tuple): level, line = level logger.log(level, line) if not logger.stdout_level_matches(level): logger.show_progress() else: logger.info(line) else: proc.communicate() proc.wait() if proc.returncode: if raise_on_returncode: if all_output: logger.notify('Complete output from command %s:' % cmd_desc) logger.notify('\n'.join(all_output) + '\n----------------------------------------') raise OSError( "Command %s failed with error code %s" % (cmd_desc, proc.returncode)) else: logger.warn( "Command %s had error code %s" % (cmd_desc, proc.returncode)) def create_environment(home_dir, site_packages=True, clear=False, unzip_setuptools=False): """ Creates a new environment in ``home_dir``. If ``site_packages`` is true (the default) then the global ``site-packages/`` directory will be on the path. If ``clear`` is true (default False) then the environment will first be cleared. """ home_dir, lib_dir, inc_dir, bin_dir = path_locations(home_dir) py_executable = install_python( home_dir, lib_dir, inc_dir, bin_dir, site_packages=site_packages, clear=clear) install_distutils(lib_dir, home_dir) install_setuptools(py_executable, unzip=unzip_setuptools) install_activate(home_dir, bin_dir) def path_locations(home_dir): """Return the path locations for the environment (where libraries are, where scripts go, etc)""" # XXX: We'd use distutils.sysconfig.get_python_inc/lib but its # prefix arg is broken: http://bugs.python.org/issue3386 if sys.platform == 'win32': # Windows has lots of problems with executables with spaces in # the name; this function will remove them (using the ~1 # format): mkdir(home_dir) if ' ' in home_dir: try: import win32api except ImportError: print 'Error: the path "%s" has a space in it' % home_dir print 'To handle these kinds of paths, the win32api module must be installed:' print ' http://sourceforge.net/projects/pywin32/' sys.exit(3) home_dir = win32api.GetShortPathName(home_dir) lib_dir = join(home_dir, 'Lib') inc_dir = join(home_dir, 'Include') bin_dir = join(home_dir, 'Scripts') elif is_jython: lib_dir = join(home_dir, 'Lib') inc_dir = join(home_dir, 'Include') bin_dir = join(home_dir, 'bin') else: lib_dir = join(home_dir, 'lib', py_version) inc_dir = join(home_dir, 'include', py_version) bin_dir = join(home_dir, 'bin') return home_dir, lib_dir, inc_dir, bin_dir def install_python(home_dir, lib_dir, inc_dir, bin_dir, site_packages, clear): """Install just the base environment, no distutils patches etc""" if sys.executable.startswith(bin_dir): print 'Please use the *system* python to run this script' return if clear: rmtree(lib_dir) ## FIXME: why not delete it? ## Maybe it should delete everything with #!/path/to/venv/python in it logger.notify('Not deleting %s', bin_dir) if hasattr(sys, 'real_prefix'): logger.notify('Using real prefix %r' % sys.real_prefix) prefix = sys.real_prefix else: prefix = sys.prefix mkdir(lib_dir) fix_lib64(lib_dir) stdlib_dirs = [os.path.dirname(os.__file__)] if sys.platform == 'win32': stdlib_dirs.append(join(os.path.dirname(stdlib_dirs[0]), 'DLLs')) elif sys.platform == 'darwin': stdlib_dirs.append(join(stdlib_dirs[0], 'site-packages')) for stdlib_dir in stdlib_dirs: if not os.path.isdir(stdlib_dir): continue if hasattr(os, 'symlink'): logger.info('Symlinking Python bootstrap modules') else: logger.info('Copying Python bootstrap modules') logger.indent += 2 try: for fn in os.listdir(stdlib_dir): if fn != 'site-packages' and os.path.splitext(fn)[0] in REQUIRED_MODULES: copyfile(join(stdlib_dir, fn), join(lib_dir, fn)) finally: logger.indent -= 2 mkdir(join(lib_dir, 'site-packages')) writefile(join(lib_dir, 'site.py'), SITE_PY) writefile(join(lib_dir, 'orig-prefix.txt'), prefix) site_packages_filename = join(lib_dir, 'no-global-site-packages.txt') if not site_packages: writefile(site_packages_filename, '') else: if os.path.exists(site_packages_filename): logger.info('Deleting %s' % site_packages_filename) os.unlink(site_packages_filename) stdinc_dir = join(prefix, 'include', py_version) if os.path.exists(stdinc_dir): copyfile(stdinc_dir, inc_dir) else: logger.debug('No include dir %s' % stdinc_dir) if sys.exec_prefix != prefix: if sys.platform == 'win32': exec_dir = join(sys.exec_prefix, 'lib') elif is_jython: exec_dir = join(sys.exec_prefix, 'Lib') else: exec_dir = join(sys.exec_prefix, 'lib', py_version) for fn in os.listdir(exec_dir): copyfile(join(exec_dir, fn), join(lib_dir, fn)) if is_jython: # Jython has either jython-dev.jar and javalib/ dir, or just # jython.jar for name in 'jython-dev.jar', 'javalib', 'jython.jar': src = join(prefix, name) if os.path.exists(src): copyfile(src, join(home_dir, name)) # XXX: registry should always exist after Jython 2.5rc1 src = join(prefix, 'registry') if os.path.exists(src): copyfile(src, join(home_dir, 'registry'), symlink=False) copyfile(join(prefix, 'cachedir'), join(home_dir, 'cachedir'), symlink=False) mkdir(bin_dir) py_executable = join(bin_dir, os.path.basename(sys.executable)) if 'Python.framework' in prefix: if py_executable.endswith('/Python'): # The name of the python executable is not quite what # we want, rename it. py_executable = os.path.join( os.path.dirname(py_executable), 'python') logger.notify('New %s executable in %s', expected_exe, py_executable) if sys.executable != py_executable: ## FIXME: could I just hard link? executable = sys.executable if sys.platform == 'cygwin' and os.path.exists(executable + '.exe'): # Cygwin misreports sys.executable sometimes executable += '.exe' py_executable += '.exe' logger.info('Executable actually exists in %s' % executable) shutil.copyfile(executable, py_executable) make_exe(py_executable) if sys.platform == 'win32' or sys.platform == 'cygwin': pythonw = os.path.join(os.path.dirname(sys.executable, 'pythonw.exe')) if os.path.exists(pythonw): logger.info('Also created pythonw.exe') shutil.copyfile(pythonw, os.path.join(os.path.dirname(py_executable, 'pythonw.exe'))) if os.path.splitext(os.path.basename(py_executable))[0] != expected_exe: secondary_exe = os.path.join(os.path.dirname(py_executable), expected_exe) py_executable_ext = os.path.splitext(py_executable)[1] if py_executable_ext == '.exe': # python2.4 gives an extension of '.4' :P secondary_exe += py_executable_ext if os.path.exists(secondary_exe): logger.warn('Not overwriting existing %s script %s (you must use %s)' % (expected_exe, secondary_exe, py_executable)) else: logger.notify('Also creating executable in %s' % secondary_exe) shutil.copyfile(sys.executable, secondary_exe) make_exe(secondary_exe) if 'Python.framework' in prefix: logger.debug('MacOSX Python framework detected') # Copy the framework's dylib into the virtual # environment virtual_lib = os.path.join(home_dir, '.Python') if os.path.exists(virtual_lib): os.unlink(virtual_lib) copyfile( os.path.join(prefix, 'Python'), virtual_lib) # And then change the install_name of the copied python executable try: call_subprocess( ["install_name_tool", "-change", os.path.join(prefix, 'Python'), '@executable_path/../.Python', py_executable]) except: logger.fatal( "Could not call install_name_tool -- you must have Apple's development tools installed") raise # Some tools depend on pythonX.Y being present pth = py_executable + '%s.%s' % ( sys.version_info[0], sys.version_info[1]) if os.path.exists(pth): os.unlink(pth) os.symlink('python', pth) if sys.platform == 'win32' and ' ' in py_executable: # There's a bug with subprocess on Windows when using a first # argument that has a space in it. Instead we have to quote # the value: py_executable = '"%s"' % py_executable cmd = [py_executable, '-c', 'import sys; print sys.prefix'] logger.info('Testing executable with %s %s "%s"' % tuple(cmd)) proc = subprocess.Popen(cmd, stdout=subprocess.PIPE) proc_stdout, proc_stderr = proc.communicate() proc_stdout = os.path.normcase(os.path.abspath(proc_stdout.strip())) if proc_stdout != os.path.normcase(os.path.abspath(home_dir)): logger.fatal( 'ERROR: The executable %s is not functioning' % py_executable) logger.fatal( 'ERROR: It thinks sys.prefix is %r (should be %r)' % (proc_stdout, os.path.normcase(os.path.abspath(home_dir)))) logger.fatal( 'ERROR: virtualenv is not compatible with this system or executable') sys.exit(100) else: logger.info('Got sys.prefix result: %r' % proc_stdout) pydistutils = os.path.expanduser('~/.pydistutils.cfg') if os.path.exists(pydistutils): logger.notify('Please make sure you remove any previous custom paths from ' 'your %s file.' % pydistutils) ## FIXME: really this should be calculated earlier return py_executable def install_activate(home_dir, bin_dir): if sys.platform == 'win32' or is_jython and os._name == 'nt': files = {'activate.bat': ACTIVATE_BAT, 'deactivate.bat': DEACTIVATE_BAT} if os.environ.get('OS') == 'Windows_NT' and os.environ.get('OSTYPE') == 'cygwin': files['activate'] = ACTIVATE_SH else: files = {'activate': ACTIVATE_SH} files['activate_this.py'] = ACTIVATE_THIS for name, content in files.items(): content = content.replace('__VIRTUAL_ENV__', os.path.abspath(home_dir)) content = content.replace('__VIRTUAL_NAME__', os.path.basename(os.path.abspath(home_dir))) content = content.replace('__BIN_NAME__', os.path.basename(bin_dir)) writefile(os.path.join(bin_dir, name), content) def install_distutils(lib_dir, home_dir): distutils_path = os.path.join(lib_dir, 'distutils') mkdir(distutils_path) ## FIXME: maybe this prefix setting should only be put in place if ## there's a local distutils.cfg with a prefix setting? home_dir = os.path.abspath(home_dir) ## FIXME: this is breaking things, removing for now: #distutils_cfg = DISTUTILS_CFG + "\n[install]\nprefix=%s\n" % home_dir writefile(os.path.join(distutils_path, '__init__.py'), DISTUTILS_INIT) writefile(os.path.join(distutils_path, 'distutils.cfg'), DISTUTILS_CFG, overwrite=False) def fix_lib64(lib_dir): """ Some platforms (particularly Gentoo on x64) put things in lib64/pythonX.Y instead of lib/pythonX.Y. If this is such a platform we'll just create a symlink so lib64 points to lib """ if [p for p in distutils.sysconfig.get_config_vars().values() if isinstance(p, basestring) and 'lib64' in p]: logger.debug('This system uses lib64; symlinking lib64 to lib') assert os.path.basename(lib_dir) == 'python%s' % sys.version[:3], ( "Unexpected python lib dir: %r" % lib_dir) lib_parent = os.path.dirname(lib_dir) assert os.path.basename(lib_parent) == 'lib', ( "Unexpected parent dir: %r" % lib_parent) copyfile(lib_parent, os.path.join(os.path.dirname(lib_parent), 'lib64')) def resolve_interpreter(exe): """ If the executable given isn't an absolute path, search $PATH for the interpreter """ if os.path.abspath(exe) != exe: paths = os.environ.get('PATH', '').split(os.pathsep) for path in paths: if os.path.exists(os.path.join(path, exe)): exe = os.path.join(path, exe) break if not os.path.exists(exe): logger.fatal('The executable %s (from --python=%s) does not exist' % (exe, exe)) sys.exit(3) return exe ############################################################ ## Relocating the environment: def make_environment_relocatable(home_dir): """ Makes the already-existing environment use relative paths, and takes out the #!-based environment selection in scripts. """ activate_this = os.path.join(home_dir, 'bin', 'activate_this.py') if not os.path.exists(activate_this): logger.fatal( 'The environment doesn\'t have a file %s -- please re-run virtualenv ' 'on this environment to update it' % activate_this) fixup_scripts(home_dir) fixup_pth_and_egg_link(home_dir) ## FIXME: need to fix up distutils.cfg OK_ABS_SCRIPTS = ['python', 'python%s' % sys.version[:3], 'activate', 'activate.bat', 'activate_this.py'] def fixup_scripts(home_dir): # This is what we expect at the top of scripts: shebang = '#!%s/bin/python' % os.path.normcase(os.path.abspath(home_dir)) # This is what we'll put: new_shebang = '#!/usr/bin/env python%s' % sys.version[:3] activate = "import os; activate_this=os.path.join(os.path.dirname(__file__), 'activate_this.py'); execfile(activate_this, dict(__file__=activate_this)); del os, activate_this" bin_dir = os.path.join(home_dir, 'bin') for filename in os.listdir(bin_dir): filename = os.path.join(bin_dir, filename) f = open(filename, 'rb') lines = f.readlines() f.close() if not lines: logger.warn('Script %s is an empty file' % filename) continue if lines[0].strip() != shebang: if os.path.basename(filename) in OK_ABS_SCRIPTS: logger.debug('Cannot make script %s relative' % filename) elif lines[0].strip() == new_shebang: logger.info('Script %s has already been made relative' % filename) else: logger.warn('Script %s cannot be made relative (it\'s not a normal script that starts with %s)' % (filename, shebang)) continue logger.notify('Making script %s relative' % filename) lines = [new_shebang+'\n', activate+'\n'] + lines[1:] f = open(filename, 'wb') f.writelines(lines) f.close() def fixup_pth_and_egg_link(home_dir): """Makes .pth and .egg-link files use relative paths""" home_dir = os.path.normcase(os.path.abspath(home_dir)) for path in sys.path: if not path: path = '.' if not os.path.isdir(path): continue path = os.path.normcase(os.path.abspath(path)) if not path.startswith(home_dir): logger.debug('Skipping system (non-environment) directory %s' % path) continue for filename in os.listdir(path): filename = os.path.join(path, filename) if filename.endswith('.pth'): if not os.access(filename, os.W_OK): logger.warn('Cannot write .pth file %s, skipping' % filename) else: fixup_pth_file(filename) if filename.endswith('.egg-link'): if not os.access(filename, os.W_OK): logger.warn('Cannot write .egg-link file %s, skipping' % filename) else: fixup_egg_link(filename) def fixup_pth_file(filename): lines = [] prev_lines = [] f = open(filename) prev_lines = f.readlines() f.close() for line in prev_lines: line = line.strip() if (not line or line.startswith('#') or line.startswith('import ') or os.path.abspath(line) != line): lines.append(line) else: new_value = make_relative_path(filename, line) if line != new_value: logger.debug('Rewriting path %s as %s (in %s)' % (line, new_value, filename)) lines.append(new_value) if lines == prev_lines: logger.info('No changes to .pth file %s' % filename) return logger.notify('Making paths in .pth file %s relative' % filename) f = open(filename, 'w') f.write('\n'.join(lines) + '\n') f.close() def fixup_egg_link(filename): f = open(filename) link = f.read().strip() f.close() if os.path.abspath(link) != link: logger.debug('Link in %s already relative' % filename) return new_link = make_relative_path(filename, link) logger.notify('Rewriting link %s in %s as %s' % (link, filename, new_link)) f = open(filename, 'w') f.write(new_link) f.close() def make_relative_path(source, dest, dest_is_directory=True): """ Make a filename relative, where the filename is dest, and it is being referred to from the filename source. >>> make_relative_path('/usr/share/something/a-file.pth', ... '/usr/share/another-place/src/Directory') '../another-place/src/Directory' >>> make_relative_path('/usr/share/something/a-file.pth', ... '/home/user/src/Directory') '../../../home/user/src/Directory' >>> make_relative_path('/usr/share/a-file.pth', '/usr/share/') './' """ source = os.path.dirname(source) if not dest_is_directory: dest_filename = os.path.basename(dest) dest = os.path.dirname(dest) dest = os.path.normpath(os.path.abspath(dest)) source = os.path.normpath(os.path.abspath(source)) dest_parts = dest.strip(os.path.sep).split(os.path.sep) source_parts = source.strip(os.path.sep).split(os.path.sep) while dest_parts and source_parts and dest_parts[0] == source_parts[0]: dest_parts.pop(0) source_parts.pop(0) full_parts = ['..']*len(source_parts) + dest_parts if not dest_is_directory: full_parts.append(dest_filename) if not full_parts: # Special case for the current directory (otherwise it'd be '') return './' return os.path.sep.join(full_parts) ############################################################ ## Bootstrap script creation: def create_bootstrap_script(extra_text, python_version=''): """ Creates a bootstrap script, which is like this script but with extend_parser, adjust_options, and after_install hooks. This returns a string that (written to disk of course) can be used as a bootstrap script with your own customizations. The script will be the standard virtualenv.py script, with your extra text added (your extra text should be Python code). If you include these functions, they will be called: ``extend_parser(optparse_parser)``: You can add or remove options from the parser here. ``adjust_options(options, args)``: You can change options here, or change the args (if you accept different kinds of arguments, be sure you modify ``args`` so it is only ``[DEST_DIR]``). ``after_install(options, home_dir)``: After everything is installed, this function is called. This is probably the function you are most likely to use. An example would be:: def after_install(options, home_dir): subprocess.call([join(home_dir, 'bin', 'easy_install'), 'MyPackage']) subprocess.call([join(home_dir, 'bin', 'my-package-script'), 'setup', home_dir]) This example immediately installs a package, and runs a setup script from that package. If you provide something like ``python_version='2.4'`` then the script will start with ``#!/usr/bin/env python2.4`` instead of ``#!/usr/bin/env python``. You can use this when the script must be run with a particular Python version. 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0W3A8E9L/ITnCaOHdIGVWIYAjSwvy71KjlQcCVNxH6YHsvBaqPUtJrZX83HJuSEcDDBxIJkvxhpr FFHWaKxYTp/oFNwJD0xlhx7Du5dgGMShcHUMAbDBSu3C0rwS88UJRFT1SgkdPm+6WQtaoGCKv7Sw NfkzF/bvHWT6HAjL4/Jcx+577rtLn32pHvsWqFWzqm0Qz5Hpo88ULzFpPTx0WH0isV9zecBQk7p1 SsnGY8RoilAxw9IYzA4s3+3AUHPEIdvjHNIMZO3VxEi5OIVeoPy8eImnLXcLlaZPYlaqtBYGtvEv pgpain4+6lWo9mkPgUX7DCbAT/POrDHhTIbE3dxsGm9tNsYaRkLLtEx79pdHhH8CwCtwxbmYVnkq oFbPjMYt6Ydmoon9CaEvxS5/VHirIqE/ulYTMHSOGqA3/QLuHjH1s5S8Karfx2RlMHkN2c7pMPgn Bjr4eYF/H01tq/PZ/j+n5KUy6wR/UcpJNj9Xd2253Y1nduVsawGJD1Zh94fAMZUp+OT5DMVdvpID OvWV5hemMJ3m059PaNF02SLKFEDwQTWiEo9/IQmBJPUJPX1G3mz+HujUtP2ShVkcxtPnVH994vQb BuZi1hxrFl1/akeYqofnD+qpgSVC90laX+tzYhD5gMPdARF5mMVlM/8g12rPlTuxvUMU5+7ZNf6J K+Y9q1ZC2l6omuaspLP+WXfMjO/eNUfUsm2qzx5Ty67Z6RFQt+jbKf5xVa7g3xKwAsaHhmlqQtZu ZELz3VXzxV33slmBxV3rLHComE71pKCb9NAxEAEYIet2YlBfC1m3d80HUeuixfvz4XS+UYxhs2my vnNJI2NpKLe8aihR64BXx8buSA3T4Br0NCtBSradTz9mw+91fMzmt//64+7l4o+poieL4Rij3h5g 0TOIDY1cfbEmNQSiwIvpaZG2iKhVhf/frpRgU1Hvub24gzFMOfKleqofwugKj1Z3z5s/e2pyQjb0 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##file activate.bat ACTIVATE_BAT = """ eJx9kMsOgjAQRfdN+g+zoAn8goZEDESJPBpEViSzkFbZ0IX8f+RRaVW0u5mee3PanbjeFSgpKXmI Hqq4KC9BglFW+YjWhEgJJa2ETvXQCNl2ogFe5CkvwaUEhjPm543vcOdAiacjLxzzJFw6f2bZCsZ0 2YitXPtswawi1zwgC9II0QPD/RELyuOb1jB/Sg0rNhM31Ss4n2I+7ibLb8epQGco2Rja1Fs/zeoa cR9nWnprJaMspOQJdBR1/g== """.decode("base64").decode("zlib") ##file deactivate.bat DEACTIVATE_BAT = """ eJxzSE3OyFfIT0vj4spMU0hJTcvMS01RiPf3cYkP8wwKCXX0iQ8I8vcNCFHQ4FIAguLUEgWIgK0q FlWqXJpcICVYpGzx2OAY4oFsPpCLbjpQCLvZILVcXFaufi5cACHzOrI= """.decode("base64").decode("zlib") ##file distutils-init.py DISTUTILS_INIT = """ eJytVl2r4zYQfdevGBKKbcia0r5dCPvQD7jQlkILLZRF6NpyrK4jGUm+SfrrO2M5tmQnbR9qSJCl o9HMmZljqXNvrAfjmAojd5uHF2G10icH94lvjG7U6WdhnbSwT1+VA208CHhX1g+ik/odzqYeOnkA Z+AioRIaBidBefAGGqVr8K0E5+tOvTFWK6vFWcIRnSl74dtymqEl5wevOsdpPkL8aZTOV/A8dqvk vFGd5Lw4QDabyQqmmtmINvZMgzw9poDjxpV8s2e2X7wwwOfOWUmDfJyiZ/crRhoxMx8Fvag+i5ME 4eELB6LvJTpOBL0hUzowRLR0phJeGQ3Chcmb8/K8GPq4K5jsnAxu8DEEzkulkQWff3mAVXQjTF5l BaaXC4kjoykUmeNcaeXRXH/LiqK0UtR5we5lQfCofKqRf8bYfo/R+aqFt0F1NZdXD4tpqI10OvPw WZsLtPjDmE/Sj8FhQSBAWVl5Y2+ToRYw+guWjbk4+EBl1ApbV6aWgRGCIIPWDFNljYfLmnwqeysb dSWfm/DeCd9gEinJGRr9+qssMNdYE7FaVuZ8FroulxCmQJcJTIjB4Twxmqk64dwCyhPEVCv01LKh VhCd+kty01OGHeROdk0Eoof8xtkSqbHC3jiy46jpfjJapkh6ttAj/PEpgbF/xEeFk5QGcYfp73gg 9AC7HzBXu6JIzCXRluv4QnhbZx5T/5Dw+YUHjQkG1rNR1o7L4liYyzE0mkrFvTBGrpM28VDGY3sT ewQrv8U/q94GCqPcoNiUzHQ2TmYz1uYRHh4S0RKamy/NspK8TYNGrDWnLBjZRxonrwhw+dru5NZ+ 9i1K+wY7J2wPv7ViFPFKdF1oNWk/DPQZCAEBBcSmskUfgrBjp/XGqWu21CvtGaOfpH+HCpPEsgs6 NQvbw00P96xRmzK+V3ACLCKvR7hytJSnoMUX1BBUIhRi1OoOnchHGre9S5hS6tpdFH41spXHWbFt 4ZAPK8/mXea0vWDpEn0rdJ0/cN9KP1gdYOw/FC6ysy3mtEtmXV+1Cio272++NRo/ERUamoFlujQ2 x7y42peTHHPXy0o1qjpi9YXkHEndJm6QxDC5Vb1pfjw8VqeYjK2z6aH3Iwv2zEm8S9Sm4nzq38eL 7Fn8MTWrvRsmUYifMUlXpadM4uKWSedRRPFDSatPmY1BQKL7P1K98Sr16V+IR8Rz4qPFx8SvmFzt pRr//vX3H797gV9aM3Q1vE43ltTYtPmdbmYfqS/C80o3ELxx4N0Mb9BE4tA0B7z1uvH10iq0dL/m OIkiEa512LF1yf4GZEHtwg== """.decode("base64").decode("zlib") ##file distutils.cfg DISTUTILS_CFG = """ eJxNj00KwkAMhfc9xYNuxe4Ft57AjYiUtDO1wXSmNJnK3N5pdSEEAu8nH6lxHVlRhtDHMPATA4uH xJ4EFmGbvfJiicSHFRzUSISMY6hq3GLCRLnIvSTnEefN0FIjw5tF0Hkk9Q5dRunBsVoyFi24aaLg 9FDOlL0FPGluf4QjcInLlxd6f6rqkgPu/5nHLg0cXCscXoozRrP51DRT3j9QNl99AP53T2Q= """.decode("base64").decode("zlib") ##file activate_this.py ACTIVATE_THIS = """ eJx1UsGOnDAMvecrIlYriDRlKvU20h5aaY+teuilGo1QALO4CwlKAjP8fe1QGGalRoLEefbzs+Mk Sb7NcvRo3iTcoGqwgyy06As+HWSNVciKaBTFywYoJWc7yit2ndBVwEkHkIzKCV0YdQdmkvShs6YH E3IhfjFaaSNLoHxQy2sLJrL0ow98JQmEG/rAYn7OobVGogngBgf0P0hjgwgt7HOUaI5DdBVJkggR 3HwSktaqWcCtgiHIH7qHV+esW2CnkRJ+9R5cQGsikkWEV/J7leVGs9TV4TvcO5QOOrTHYI+xeCjY JR/m9GPDHv2oSZunUokS2A/WBelnvx6tF6LUJO2FjjlH5zU6Q+Kz/9m69LxvSZVSwiOlGnT1rt/A 77j+WDQZ8x9k2mFJetOle88+lc8sJJ/AeerI+fTlQigTfVqJUiXoKaaC3AqmI+KOnivjMLbvBVFU 1JDruuadNGcPmkgiBTnQXUGUDd6IK9JEQ9yPdM96xZP8bieeMRqTuqbxIbbey2DjVUNzRs1rosFS TsLAdS/0fBGNdTGKhuqD7mUmsFlgGjN2eSj1tM3GnjfXwwCmzjhMbR4rLZXXk+Z/6Hp7Pn2+kJ49 jfgLHgI4Jg== """.decode("base64").decode("zlib") if __name__ == '__main__': main() ## TODO: ## Copy python.exe.manifest ## Monkeypatch distutils.sysconfig