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authorRoger Gonzalez <rogergonzalez21@gmail.com>2020-04-08 10:38:14 -0300
committerRoger Gonzalez <rogergonzalez21@gmail.com>2020-04-08 10:38:14 -0300
commit5f0f2f90361a4c0a76478b288998595fc3ddebd2 (patch)
treefba8d30e376187e1b0b441314497bb1a70989f08 /.emacs.d.back/.python-environments/default/lib/python3.7/site.py
parent47e1414d1be0069b158d0d0718988d72b0fb5d0d (diff)
Added my old emacs config
Diffstat (limited to '.emacs.d.back/.python-environments/default/lib/python3.7/site.py')
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+"""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 os
+import sys
+
+try:
+ import __builtin__ as builtins
+except ImportError:
+ import builtins
+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_64bit = (getattr(sys, "maxsize", None) or getattr(sys, "maxint")) > 2 ** 32
+_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.{}-{:.3}".format(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, "r")
+ 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
+ ]:
+ if _is_64bit:
+ sitedirs.insert(0, lib64_dir)
+ else:
+ 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, "local/lib", "python" + sys.version[:3], "dist-packages"))
+ if sys.version[0] == "2":
+ sitedirs.append(os.path.join(prefix, "lib", "python" + sys.version[:3], "dist-packages"))
+ else:
+ sitedirs.append(os.path.join(prefix, "lib", "python" + sys.version[0], "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 {}() or {} to exit".format(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)
+
+ builtins.quit = Quitter("quit")
+ builtins.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 = open(filename, "r")
+ 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:
+ try:
+ key = raw_input(prompt)
+ except NameError:
+ key = input(prompt)
+ if key not in ("", "q"):
+ key = None
+ if key == "q":
+ break
+
+
+def setcopyright():
+ """Set 'copyright' and 'credits' in __builtin__"""
+ builtins.copyright = _Printer("copyright", sys.copyright)
+ if _is_jython:
+ builtins.credits = _Printer("credits", "Jython is maintained by the Jython developers (www.jython.org).")
+ elif _is_pypy:
+ builtins.credits = _Printer("credits", "PyPy is maintained by the PyPy developers: http://pypy.org/")
+ else:
+ builtins.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__)
+ builtins.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():
+ builtins.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
+ hardcoded_relative_dirs = []
+ if sys.path[0] == "":
+ pos += 1
+ if _is_jython:
+ paths = [os.path.join(sys.real_prefix, "Lib")]
+ elif _is_pypy:
+ if sys.version_info > (3, 2):
+ cpyver = "%d" % sys.version_info[0]
+ elif sys.pypy_version_info >= (1, 5):
+ cpyver = "%d.%d" % sys.version_info[:2]
+ else:
+ 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", cpyver)]
+ if sys.pypy_version_info < (1, 9):
+ paths.insert(1, os.path.join(sys.real_prefix, "lib-python", "modified-%s" % cpyver))
+ hardcoded_relative_dirs = paths[:] # for the special 'darwin' case below
+ #
+ # This is hardcoded in the Python executable, but relative to sys.prefix:
+ for path in paths[:]:
+ plat_path = os.path.join(path, "plat-%s" % sys.platform)
+ if os.path.exists(plat_path):
+ paths.append(plat_path)
+ elif sys.platform == "win32":
+ paths = [os.path.join(sys.real_prefix, "Lib"), os.path.join(sys.real_prefix, "DLLs")]
+ else:
+ paths = [os.path.join(sys.real_prefix, "lib", "python" + sys.version[:3])]
+ hardcoded_relative_dirs = paths[:] # for the special 'darwin' case below
+ lib64_path = os.path.join(sys.real_prefix, "lib64", "python" + sys.version[:3])
+ if os.path.exists(lib64_path):
+ if _is_64bit:
+ paths.insert(0, lib64_path)
+ else:
+ paths.append(lib64_path)
+ # This is hardcoded in the Python executable, but relative to
+ # sys.prefix. Debian change: we need to add the multiarch triplet
+ # here, which is where the real stuff lives. As per PEP 421, in
+ # Python 3.3+, this lives in sys.implementation, while in Python 2.7
+ # it lives in sys.
+ try:
+ arch = getattr(sys, "implementation", sys)._multiarch
+ except AttributeError:
+ # This is a non-multiarch aware Python. Fallback to the old way.
+ arch = sys.platform
+ plat_path = os.path.join(sys.real_prefix, "lib", "python" + sys.version[:3], "plat-%s" % arch)
+ 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(relative_dir, module)
+ for relative_dir in hardcoded_relative_dirs
+ 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 enablerlcompleter():
+ """Enable default readline configuration on interactive prompts, by
+ registering a sys.__interactivehook__.
+ If the readline module can be imported, the hook will set the Tab key
+ as completion key and register ~/.python_history as history file.
+ This can be overridden in the sitecustomize or usercustomize module,
+ or in a PYTHONSTARTUP file.
+ """
+
+ def register_readline():
+ import atexit
+
+ try:
+ import readline
+ import rlcompleter
+ except ImportError:
+ return
+
+ # Reading the initialization (config) file may not be enough to set a
+ # completion key, so we set one first and then read the file.
+ readline_doc = getattr(readline, "__doc__", "")
+ if readline_doc is not None and "libedit" in readline_doc:
+ readline.parse_and_bind("bind ^I rl_complete")
+ else:
+ readline.parse_and_bind("tab: complete")
+
+ try:
+ readline.read_init_file()
+ except OSError:
+ # An OSError here could have many causes, but the most likely one
+ # is that there's no .inputrc file (or .editrc file in the case of
+ # Mac OS X + libedit) in the expected location. In that case, we
+ # want to ignore the exception.
+ pass
+
+ if readline.get_current_history_length() == 0:
+ # If no history was loaded, default to .python_history.
+ # The guard is necessary to avoid doubling history size at
+ # each interpreter exit when readline was already configured
+ # through a PYTHONSTARTUP hook, see:
+ # http://bugs.python.org/issue5845#msg198636
+ history = os.path.join(os.path.expanduser("~"), ".python_history")
+ try:
+ readline.read_history_file(history)
+ except OSError:
+ pass
+
+ def write_history():
+ try:
+ readline.write_history_file(history)
+ except (FileNotFoundError, PermissionError):
+ # home directory does not exist or is not writable
+ # https://bugs.python.org/issue19891
+ pass
+
+ atexit.register(write_history)
+
+ sys.__interactivehook__ = register_readline
+
+
+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()
+ if sys.version_info[0] == 3:
+ enablerlcompleter()
+ 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},".format(dir))
+ print("]")
+
+ def exists(path):
+ if os.path.isdir(path):
+ return "exists"
+ else:
+ return "doesn't exist"
+
+ print("USER_BASE: {!r} ({})".format(USER_BASE, exists(USER_BASE)))
+ print("USER_SITE: {!r} ({})".format(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()