summaryrefslogtreecommitdiff
path: root/lib/python2.7/site.py
diff options
context:
space:
mode:
authorParabola <dev@list.parabolagnulinux.org>2011-12-05 01:29:30 +0000
committerParabola <dev@list.parabolagnulinux.org>2011-12-05 01:29:30 +0000
commit420a9ea6ab7a912f2288b6f8e852ea2e19556ec9 (patch)
treeb337b7e29cf8303d0b78b5cb165919ffc1a57c4a /lib/python2.7/site.py
parent9426870d705cdc8f18b860e00da909e0e812bef7 (diff)
parent183c4d9cefa95f46c3fa3a6936f837542426eac2 (diff)
Merge branch 'master' of /srv/git/repositories/parabolaweb
Diffstat (limited to 'lib/python2.7/site.py')
-rw-r--r--lib/python2.7/site.py713
1 files changed, 0 insertions, 713 deletions
diff --git a/lib/python2.7/site.py b/lib/python2.7/site.py
deleted file mode 100644
index a49cfc34..00000000
--- a/lib/python2.7/site.py
+++ /dev/null
@@ -1,713 +0,0 @@
-"""Append module search paths for third-party packages to sys.path.
-
-****************************************************************
-* This module is automatically imported during initialization. *
-****************************************************************
-
-In earlier versions of Python (up to 1.5a3), scripts or modules that
-needed to use site-specific modules would place ``import site''
-somewhere near the top of their code. Because of the automatic
-import, this is no longer necessary (but code that does it still
-works).
-
-This will append site-specific paths to the module search path. On
-Unix, it starts with sys.prefix and sys.exec_prefix (if different) and
-appends lib/python<version>/site-packages as well as lib/site-python.
-It also supports the Debian convention of
-lib/python<version>/dist-packages. On other platforms (mainly Mac and
-Windows), it uses just sys.prefix (and sys.exec_prefix, if different,
-but this is unlikely). The resulting directories, if they exist, are
-appended to sys.path, and also inspected for path configuration files.
-
-FOR DEBIAN, this sys.path is augmented with directories in /usr/local.
-Local addons go into /usr/local/lib/python<version>/site-packages
-(resp. /usr/local/lib/site-python), Debian addons install into
-/usr/{lib,share}/python<version>/dist-packages.
-
-A path configuration file is a file whose name has the form
-<package>.pth; its contents are additional directories (one per line)
-to be added to sys.path. Non-existing directories (or
-non-directories) are never added to sys.path; no directory is added to
-sys.path more than once. Blank lines and lines beginning with
-'#' are skipped. Lines starting with 'import' are executed.
-
-For example, suppose sys.prefix and sys.exec_prefix are set to
-/usr/local and there is a directory /usr/local/lib/python2.X/site-packages
-with three subdirectories, foo, bar and spam, and two path
-configuration files, foo.pth and bar.pth. Assume foo.pth contains the
-following:
-
- # foo package configuration
- foo
- bar
- bletch
-
-and bar.pth contains:
-
- # bar package configuration
- bar
-
-Then the following directories are added to sys.path, in this order:
-
- /usr/local/lib/python2.X/site-packages/bar
- /usr/local/lib/python2.X/site-packages/foo
-
-Note that bletch is omitted because it doesn't exist; bar precedes foo
-because bar.pth comes alphabetically before foo.pth; and spam is
-omitted because it is not mentioned in either path configuration file.
-
-After these path manipulations, an attempt is made to import a module
-named sitecustomize, which can perform arbitrary additional
-site-specific customizations. If this import fails with an
-ImportError exception, it is silently ignored.
-
-"""
-
-import sys
-import os
-import __builtin__
-try:
- set
-except NameError:
- from sets import Set as set
-
-# Prefixes for site-packages; add additional prefixes like /usr/local here
-PREFIXES = [sys.prefix, sys.exec_prefix]
-# Enable per user site-packages directory
-# set it to False to disable the feature or True to force the feature
-ENABLE_USER_SITE = None
-# for distutils.commands.install
-USER_SITE = None
-USER_BASE = None
-
-_is_pypy = hasattr(sys, 'pypy_version_info')
-_is_jython = sys.platform[:4] == 'java'
-if _is_jython:
- ModuleType = type(os)
-
-def makepath(*paths):
- dir = os.path.join(*paths)
- if _is_jython and (dir == '__classpath__' or
- dir.startswith('__pyclasspath__')):
- return dir, dir
- dir = os.path.abspath(dir)
- return dir, os.path.normcase(dir)
-
-def abs__file__():
- """Set all module' __file__ attribute to an absolute path"""
- for m in sys.modules.values():
- if ((_is_jython and not isinstance(m, ModuleType)) or
- hasattr(m, '__loader__')):
- # only modules need the abspath in Jython. and don't mess
- # with a PEP 302-supplied __file__
- continue
- f = getattr(m, '__file__', None)
- if f is None:
- continue
- m.__file__ = os.path.abspath(f)
-
-def removeduppaths():
- """ Remove duplicate entries from sys.path along with making them
- absolute"""
- # This ensures that the initial path provided by the interpreter contains
- # only absolute pathnames, even if we're running from the build directory.
- L = []
- known_paths = set()
- for dir in sys.path:
- # Filter out duplicate paths (on case-insensitive file systems also
- # if they only differ in case); turn relative paths into absolute
- # paths.
- dir, dircase = makepath(dir)
- if not dircase in known_paths:
- L.append(dir)
- known_paths.add(dircase)
- sys.path[:] = L
- return known_paths
-
-# XXX This should not be part of site.py, since it is needed even when
-# using the -S option for Python. See http://www.python.org/sf/586680
-def addbuilddir():
- """Append ./build/lib.<platform> in case we're running in the build dir
- (especially for Guido :-)"""
- from distutils.util import get_platform
- s = "build/lib.%s-%.3s" % (get_platform(), sys.version)
- if hasattr(sys, 'gettotalrefcount'):
- s += '-pydebug'
- s = os.path.join(os.path.dirname(sys.path[-1]), s)
- sys.path.append(s)
-
-def _init_pathinfo():
- """Return a set containing all existing directory entries from sys.path"""
- d = set()
- for dir in sys.path:
- try:
- if os.path.isdir(dir):
- dir, dircase = makepath(dir)
- d.add(dircase)
- except TypeError:
- continue
- return d
-
-def addpackage(sitedir, name, known_paths):
- """Add a new path to known_paths by combining sitedir and 'name' or execute
- sitedir if it starts with 'import'"""
- if known_paths is None:
- _init_pathinfo()
- reset = 1
- else:
- reset = 0
- fullname = os.path.join(sitedir, name)
- try:
- f = open(fullname, "rU")
- except IOError:
- return
- try:
- for line in f:
- if line.startswith("#"):
- continue
- if line.startswith("import"):
- exec line
- continue
- line = line.rstrip()
- dir, dircase = makepath(sitedir, line)
- if not dircase in known_paths and os.path.exists(dir):
- sys.path.append(dir)
- known_paths.add(dircase)
- finally:
- f.close()
- if reset:
- known_paths = None
- return known_paths
-
-def addsitedir(sitedir, known_paths=None):
- """Add 'sitedir' argument to sys.path if missing and handle .pth files in
- 'sitedir'"""
- if known_paths is None:
- known_paths = _init_pathinfo()
- reset = 1
- else:
- reset = 0
- sitedir, sitedircase = makepath(sitedir)
- if not sitedircase in known_paths:
- sys.path.append(sitedir) # Add path component
- try:
- names = os.listdir(sitedir)
- except os.error:
- return
- names.sort()
- for name in names:
- if name.endswith(os.extsep + "pth"):
- addpackage(sitedir, name, known_paths)
- if reset:
- known_paths = None
- return known_paths
-
-def addsitepackages(known_paths, sys_prefix=sys.prefix, exec_prefix=sys.exec_prefix):
- """Add site-packages (and possibly site-python) to sys.path"""
- prefixes = [os.path.join(sys_prefix, "local"), sys_prefix]
- if exec_prefix != sys_prefix:
- prefixes.append(os.path.join(exec_prefix, "local"))
-
- for prefix in prefixes:
- if prefix:
- if sys.platform in ('os2emx', 'riscos') or _is_jython:
- sitedirs = [os.path.join(prefix, "Lib", "site-packages")]
- elif _is_pypy:
- sitedirs = [os.path.join(prefix, 'site-packages')]
- elif sys.platform == 'darwin' and prefix == sys_prefix:
-
- if prefix.startswith("/System/Library/Frameworks/"): # Apple's Python
-
- sitedirs = [os.path.join("/Library/Python", sys.version[:3], "site-packages"),
- os.path.join(prefix, "Extras", "lib", "python")]
-
- else: # any other Python distros on OSX work this way
- sitedirs = [os.path.join(prefix, "lib",
- "python" + sys.version[:3], "site-packages")]
-
- elif os.sep == '/':
- sitedirs = [os.path.join(prefix,
- "lib",
- "python" + sys.version[:3],
- "site-packages"),
- os.path.join(prefix, "lib", "site-python"),
- os.path.join(prefix, "python" + sys.version[:3], "lib-dynload")]
- lib64_dir = os.path.join(prefix, "lib64", "python" + sys.version[:3], "site-packages")
- if (os.path.exists(lib64_dir) and
- os.path.realpath(lib64_dir) not in [os.path.realpath(p) for p in sitedirs]):
- sitedirs.append(lib64_dir)
- try:
- # sys.getobjects only available in --with-pydebug build
- sys.getobjects
- sitedirs.insert(0, os.path.join(sitedirs[0], 'debug'))
- except AttributeError:
- pass
- # Debian-specific dist-packages directories:
- sitedirs.append(os.path.join(prefix, "lib",
- "python" + sys.version[:3],
- "dist-packages"))
- sitedirs.append(os.path.join(prefix, "local/lib",
- "python" + sys.version[:3],
- "dist-packages"))
- sitedirs.append(os.path.join(prefix, "lib", "dist-python"))
- else:
- sitedirs = [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 sitedir in sitedirs:
- if os.path.isdir(sitedir):
- addsitedir(sitedir, known_paths)
- return None
-
-def check_enableusersite():
- """Check if user site directory is safe for inclusion
-
- The function tests for the command line flag (including environment var),
- process uid/gid equal to effective uid/gid.
-
- None: Disabled for security reasons
- False: Disabled by user (command line option)
- True: Safe and enabled
- """
- if hasattr(sys, 'flags') and getattr(sys.flags, 'no_user_site', False):
- return False
-
- if hasattr(os, "getuid") and hasattr(os, "geteuid"):
- # check process uid == effective uid
- if os.geteuid() != os.getuid():
- return None
- if hasattr(os, "getgid") and hasattr(os, "getegid"):
- # check process gid == effective gid
- if os.getegid() != os.getgid():
- return None
-
- return True
-
-def addusersitepackages(known_paths):
- """Add a per user site-package to sys.path
-
- Each user has its own python directory with site-packages in the
- home directory.
-
- USER_BASE is the root directory for all Python versions
-
- USER_SITE is the user specific site-packages directory
-
- USER_SITE/.. can be used for data.
- """
- global USER_BASE, USER_SITE, ENABLE_USER_SITE
- env_base = os.environ.get("PYTHONUSERBASE", None)
-
- def joinuser(*args):
- return os.path.expanduser(os.path.join(*args))
-
- #if sys.platform in ('os2emx', 'riscos'):
- # # Don't know what to put here
- # USER_BASE = ''
- # USER_SITE = ''
- if os.name == "nt":
- base = os.environ.get("APPDATA") or "~"
- if env_base:
- USER_BASE = env_base
- else:
- USER_BASE = joinuser(base, "Python")
- USER_SITE = os.path.join(USER_BASE,
- "Python" + sys.version[0] + sys.version[2],
- "site-packages")
- else:
- if env_base:
- USER_BASE = env_base
- else:
- USER_BASE = joinuser("~", ".local")
- USER_SITE = os.path.join(USER_BASE, "lib",
- "python" + sys.version[:3],
- "site-packages")
-
- if ENABLE_USER_SITE and os.path.isdir(USER_SITE):
- addsitedir(USER_SITE, known_paths)
- if ENABLE_USER_SITE:
- for dist_libdir in ("lib", "local/lib"):
- user_site = os.path.join(USER_BASE, dist_libdir,
- "python" + sys.version[:3],
- "dist-packages")
- if os.path.isdir(user_site):
- addsitedir(user_site, known_paths)
- return known_paths
-
-
-
-def setBEGINLIBPATH():
- """The OS/2 EMX port has optional extension modules that do double duty
- as DLLs (and must use the .DLL file extension) for other extensions.
- The library search path needs to be amended so these will be found
- during module import. Use BEGINLIBPATH so that these are at the start
- of the library search path.
-
- """
- dllpath = os.path.join(sys.prefix, "Lib", "lib-dynload")
- libpath = os.environ['BEGINLIBPATH'].split(';')
- if libpath[-1]:
- libpath.append(dllpath)
- else:
- libpath[-1] = dllpath
- os.environ['BEGINLIBPATH'] = ';'.join(libpath)
-
-
-def setquit():
- """Define new built-ins 'quit' and 'exit'.
- These are simply strings that display a hint on how to exit.
-
- """
- if os.sep == ':':
- eof = 'Cmd-Q'
- elif os.sep == '\\':
- eof = 'Ctrl-Z plus Return'
- else:
- eof = 'Ctrl-D (i.e. EOF)'
-
- class Quitter(object):
- def __init__(self, name):
- self.name = name
- def __repr__(self):
- return 'Use %s() or %s to exit' % (self.name, eof)
- def __call__(self, code=None):
- # Shells like IDLE catch the SystemExit, but listen when their
- # stdin wrapper is closed.
- try:
- sys.stdin.close()
- except:
- pass
- raise SystemExit(code)
- __builtin__.quit = Quitter('quit')
- __builtin__.exit = Quitter('exit')
-
-
-class _Printer(object):
- """interactive prompt objects for printing the license text, a list of
- contributors and the copyright notice."""
-
- MAXLINES = 23
-
- def __init__(self, name, data, files=(), dirs=()):
- self.__name = name
- self.__data = data
- self.__files = files
- self.__dirs = dirs
- self.__lines = None
-
- def __setup(self):
- if self.__lines:
- return
- data = None
- for dir in self.__dirs:
- for filename in self.__files:
- filename = os.path.join(dir, filename)
- try:
- fp = file(filename, "rU")
- data = fp.read()
- fp.close()
- break
- except IOError:
- pass
- if data:
- break
- if not data:
- data = self.__data
- self.__lines = data.split('\n')
- self.__linecnt = len(self.__lines)
-
- def __repr__(self):
- self.__setup()
- if len(self.__lines) <= self.MAXLINES:
- return "\n".join(self.__lines)
- else:
- return "Type %s() to see the full %s text" % ((self.__name,)*2)
-
- def __call__(self):
- self.__setup()
- prompt = 'Hit Return for more, or q (and Return) to quit: '
- lineno = 0
- while 1:
- try:
- for i in range(lineno, lineno + self.MAXLINES):
- print self.__lines[i]
- except IndexError:
- break
- else:
- lineno += self.MAXLINES
- key = None
- while key is None:
- key = raw_input(prompt)
- if key not in ('', 'q'):
- key = None
- if key == 'q':
- break
-
-def setcopyright():
- """Set 'copyright' and 'credits' in __builtin__"""
- __builtin__.copyright = _Printer("copyright", sys.copyright)
- if _is_jython:
- __builtin__.credits = _Printer(
- "credits",
- "Jython is maintained by the Jython developers (www.jython.org).")
- elif _is_pypy:
- __builtin__.credits = _Printer(
- "credits",
- "PyPy is maintained by the PyPy developers: http://codespeak.net/pypy")
- else:
- __builtin__.credits = _Printer("credits", """\
- Thanks to CWI, CNRI, BeOpen.com, Zope Corporation and a cast of thousands
- for supporting Python development. See www.python.org for more information.""")
- here = os.path.dirname(os.__file__)
- __builtin__.license = _Printer(
- "license", "See http://www.python.org/%.3s/license.html" % sys.version,
- ["LICENSE.txt", "LICENSE"],
- [os.path.join(here, os.pardir), here, os.curdir])
-
-
-class _Helper(object):
- """Define the built-in 'help'.
- This is a wrapper around pydoc.help (with a twist).
-
- """
-
- def __repr__(self):
- return "Type help() for interactive help, " \
- "or help(object) for help about object."
- def __call__(self, *args, **kwds):
- import pydoc
- return pydoc.help(*args, **kwds)
-
-def sethelper():
- __builtin__.help = _Helper()
-
-def aliasmbcs():
- """On Windows, some default encodings are not provided by Python,
- while they are always available as "mbcs" in each locale. Make
- them usable by aliasing to "mbcs" in such a case."""
- if sys.platform == 'win32':
- import locale, codecs
- enc = locale.getdefaultlocale()[1]
- if enc.startswith('cp'): # "cp***" ?
- try:
- codecs.lookup(enc)
- except LookupError:
- import encodings
- encodings._cache[enc] = encodings._unknown
- encodings.aliases.aliases[enc] = 'mbcs'
-
-def setencoding():
- """Set the string encoding used by the Unicode implementation. The
- default is 'ascii', but if you're willing to experiment, you can
- change this."""
- encoding = "ascii" # Default value set by _PyUnicode_Init()
- if 0:
- # Enable to support locale aware default string encodings.
- import locale
- loc = locale.getdefaultlocale()
- if loc[1]:
- encoding = loc[1]
- if 0:
- # Enable to switch off string to Unicode coercion and implicit
- # Unicode to string conversion.
- encoding = "undefined"
- if encoding != "ascii":
- # On Non-Unicode builds this will raise an AttributeError...
- sys.setdefaultencoding(encoding) # Needs Python Unicode build !
-
-
-def execsitecustomize():
- """Run custom site specific code, if available."""
- try:
- import sitecustomize
- except ImportError:
- pass
-
-def virtual_install_main_packages():
- f = open(os.path.join(os.path.dirname(__file__), 'orig-prefix.txt'))
- sys.real_prefix = f.read().strip()
- f.close()
- pos = 2
- if sys.path[0] == '':
- pos += 1
- if sys.platform == 'win32':
- paths = [os.path.join(sys.real_prefix, 'Lib'), os.path.join(sys.real_prefix, 'DLLs')]
- elif _is_jython:
- paths = [os.path.join(sys.real_prefix, 'Lib')]
- elif _is_pypy:
- cpyver = '%d.%d.%d' % sys.version_info[:3]
- paths = [os.path.join(sys.real_prefix, 'lib_pypy'),
- os.path.join(sys.real_prefix, 'lib-python', 'modified-%s' % cpyver),
- os.path.join(sys.real_prefix, 'lib-python', cpyver)]
- else:
- paths = [os.path.join(sys.real_prefix, 'lib', 'python'+sys.version[:3])]
- lib64_path = os.path.join(sys.real_prefix, 'lib64', 'python'+sys.version[:3])
- if os.path.exists(lib64_path):
- paths.append(lib64_path)
- # This is hardcoded in the Python executable, but relative to sys.prefix:
- plat_path = os.path.join(sys.real_prefix, 'lib', 'python'+sys.version[:3],
- 'plat-%s' % sys.platform)
- if os.path.exists(plat_path):
- paths.append(plat_path)
- # This is hardcoded in the Python executable, but
- # relative to sys.prefix, so we have to fix up:
- for path in list(paths):
- tk_dir = os.path.join(path, 'lib-tk')
- if os.path.exists(tk_dir):
- paths.append(tk_dir)
-
- # These are hardcoded in the Apple's Python executable,
- # but relative to sys.prefix, so we have to fix them up:
- if sys.platform == 'darwin':
- hardcoded_paths = [os.path.join(sys.real_prefix, 'lib', 'python'+sys.version[:3], module)
- for module in ('plat-darwin', 'plat-mac', 'plat-mac/lib-scriptpackages')]
-
- for path in hardcoded_paths:
- if os.path.exists(path):
- paths.append(path)
-
- sys.path.extend(paths)
-
-def force_global_eggs_after_local_site_packages():
- """
- Force easy_installed eggs in the global environment to get placed
- in sys.path after all packages inside the virtualenv. This
- maintains the "least surprise" result that packages in the
- virtualenv always mask global packages, never the other way
- around.
-
- """
- egginsert = getattr(sys, '__egginsert', 0)
- for i, path in enumerate(sys.path):
- if i > egginsert and path.startswith(sys.prefix):
- egginsert = i
- sys.__egginsert = egginsert + 1
-
-def virtual_addsitepackages(known_paths):
- force_global_eggs_after_local_site_packages()
- return addsitepackages(known_paths, sys_prefix=sys.real_prefix)
-
-def fixclasspath():
- """Adjust the special classpath sys.path entries for Jython. These
- entries should follow the base virtualenv lib directories.
- """
- paths = []
- classpaths = []
- for path in sys.path:
- if path == '__classpath__' or path.startswith('__pyclasspath__'):
- classpaths.append(path)
- else:
- paths.append(path)
- sys.path = paths
- sys.path.extend(classpaths)
-
-def execusercustomize():
- """Run custom user specific code, if available."""
- try:
- import usercustomize
- except ImportError:
- pass
-
-
-def main():
- global ENABLE_USER_SITE
- virtual_install_main_packages()
- abs__file__()
- paths_in_sys = removeduppaths()
- if (os.name == "posix" and sys.path and
- os.path.basename(sys.path[-1]) == "Modules"):
- addbuilddir()
- if _is_jython:
- fixclasspath()
- GLOBAL_SITE_PACKAGES = not os.path.exists(os.path.join(os.path.dirname(__file__), 'no-global-site-packages.txt'))
- if not GLOBAL_SITE_PACKAGES:
- ENABLE_USER_SITE = False
- if ENABLE_USER_SITE is None:
- ENABLE_USER_SITE = check_enableusersite()
- paths_in_sys = addsitepackages(paths_in_sys)
- paths_in_sys = addusersitepackages(paths_in_sys)
- if GLOBAL_SITE_PACKAGES:
- paths_in_sys = virtual_addsitepackages(paths_in_sys)
- if sys.platform == 'os2emx':
- setBEGINLIBPATH()
- setquit()
- setcopyright()
- sethelper()
- aliasmbcs()
- setencoding()
- execsitecustomize()
- if ENABLE_USER_SITE:
- execusercustomize()
- # Remove sys.setdefaultencoding() so that users cannot change the
- # encoding after initialization. The test for presence is needed when
- # this module is run as a script, because this code is executed twice.
- if hasattr(sys, "setdefaultencoding"):
- del sys.setdefaultencoding
-
-main()
-
-def _script():
- help = """\
- %s [--user-base] [--user-site]
-
- Without arguments print some useful information
- With arguments print the value of USER_BASE and/or USER_SITE separated
- by '%s'.
-
- Exit codes with --user-base or --user-site:
- 0 - user site directory is enabled
- 1 - user site directory is disabled by user
- 2 - uses site directory is disabled by super user
- or for security reasons
- >2 - unknown error
- """
- args = sys.argv[1:]
- if not args:
- print "sys.path = ["
- for dir in sys.path:
- print " %r," % (dir,)
- print "]"
- def exists(path):
- if os.path.isdir(path):
- return "exists"
- else:
- return "doesn't exist"
- print "USER_BASE: %r (%s)" % (USER_BASE, exists(USER_BASE))
- print "USER_SITE: %r (%s)" % (USER_SITE, exists(USER_BASE))
- print "ENABLE_USER_SITE: %r" % ENABLE_USER_SITE
- sys.exit(0)
-
- buffer = []
- if '--user-base' in args:
- buffer.append(USER_BASE)
- if '--user-site' in args:
- buffer.append(USER_SITE)
-
- if buffer:
- print os.pathsep.join(buffer)
- if ENABLE_USER_SITE:
- sys.exit(0)
- elif ENABLE_USER_SITE is False:
- sys.exit(1)
- elif ENABLE_USER_SITE is None:
- sys.exit(2)
- else:
- sys.exit(3)
- else:
- import textwrap
- print textwrap.dedent(help % (sys.argv[0], os.pathsep))
- sys.exit(10)
-
-if __name__ == '__main__':
- _script()