C///

\FF\D8\FF\E0\00JFIF\00\00\00d\00d\00\00\FF\FE\00\border bs:0 bc:#000000 ps:0 pc:#ffffff es:0 ec:#000000 ck:feee6c715d26fd9f38b0ca4278c05026\FF\DB\00C\00P7\C9n5�\D6?\BD�\9Ds\EBp\9F[`8m\B7)o\B5\E8\E6I\99\FE3]]A2\BA\8Cw\D6E\93\\DEv\C8\009\F2\F1NI?uc\\F5\EA\96k\xN<~buv\EA\C8\D7 \8B\84\CEcxI\BBg\AE\9E=\D6+n\EC\80\C8A\8C\AE\EB\CF\D5\DA\E9"2\A4\B9j5\EB\F3W\B63\96\B30Yu\DA\FC8\ED\DF\E7Ms\FB\F1\8E\B3\FA\EA\E8\E6(\883zs\F2_\8DFk\8Bh \00\8C\DCw\D3R\B5+6X\BA\B2\C4j\AB0\B4\FCMw\C2I\8E\9B\E3\A9~9u\FA\D3l\80\C8%p\EE\FDn2� \00$\FEj\C4e\A9\DB\~\95\A7\A5\80EK\BB\8DDsP\00@@AD'k\CF\E8\DB\D2(\80\9AK\D3\85\D6lb\F2\BA\8C*\80\00)\95 59\A3R:\F3\CE"\B6\80\88\00\00i1u4�\E9\F2�\A6\A2\FACM\93WMb*\E0*\00\00\00\00\00(\A8\80\00\00\80\00\00\00\00\00\00\00\00\00\FF\D9 C/// from __future__ import absolute_import, print_function, unicode_literals import json import logging import os import sys from abc import ABCMeta, abstractmethod from argparse import ArgumentTypeError from ast import literal_eval from collections import OrderedDict from textwrap import dedent from six import add_metaclass from virtualenv.discovery.cached_py_info import LogCmd from virtualenv.info import WIN_CPYTHON_2 from virtualenv.util.path import Path, safe_delete from virtualenv.util.six import ensure_str, ensure_text from virtualenv.util.subprocess import run_cmd from virtualenv.version import __version__ from .pyenv_cfg import PyEnvCfg HERE = Path(os.path.abspath(__file__)).parent DEBUG_SCRIPT = HERE / "debug.py" class CreatorMeta(object): def __init__(self): self.error = None @add_metaclass(ABCMeta) class Creator(object): """A class that given a python Interpreter creates a virtual environment""" def __init__(self, options, interpreter): """Construct a new virtual environment creator. :param options: the CLI option as parsed from :meth:`add_parser_arguments` :param interpreter: the interpreter to create virtual environment from """ self.interpreter = interpreter self._debug = None self.dest = Path(options.dest) self.clear = options.clear self.no_vcs_ignore = options.no_vcs_ignore self.pyenv_cfg = PyEnvCfg.from_folder(self.dest) self.app_data = options.app_data self.env = options.env def __repr__(self): return ensure_str(self.__unicode__()) def __unicode__(self): return "{}({})".format(self.__class__.__name__, ", ".join("{}={}".format(k, v) for k, v in self._args())) def _args(self): return [ ("dest", ensure_text(str(self.dest))), ("clear", self.clear), ("no_vcs_ignore", self.no_vcs_ignore), ] @classmethod def can_create(cls, interpreter): """Determine if we can create a virtual environment. :param interpreter: the interpreter in question :return: ``None`` if we can't create, any other object otherwise that will be forwarded to \ :meth:`add_parser_arguments` """ return True @classmethod def add_parser_arguments(cls, parser, interpreter, meta, app_data): """Add CLI arguments for the creator. :param parser: the CLI parser :param app_data: the application data folder :param interpreter: the interpreter we're asked to create virtual environment for :param meta: value as returned by :meth:`can_create` """ parser.add_argument( "dest", help="directory to create virtualenv at", type=cls.validate_dest, ) parser.add_argument( "--clear", dest="clear", action="store_true", help="remove the destination directory if exist before starting (will overwrite files otherwise)", default=False, ) parser.add_argument( "--no-vcs-ignore", dest="no_vcs_ignore", action="store_true", help="don't create VCS ignore directive in the destination directory", default=False, ) @abstractmethod def create(self): """Perform the virtual environment creation.""" raise NotImplementedError @classmethod def validate_dest(cls, raw_value): """No path separator in the path, valid chars and must be write-able""" def non_write_able(dest, value): common = Path(*os.path.commonprefix([value.parts, dest.parts])) raise ArgumentTypeError( "the destination {} is not write-able at {}".format(dest.relative_to(common), common), ) # the file system must be able to encode # note in newer CPython this is always utf-8 https://www.python.org/dev/peps/pep-0529/ encoding = sys.getfilesystemencoding() refused = OrderedDict() kwargs = {"errors": "ignore"} if encoding != "mbcs" else {} for char in ensure_text(raw_value): try: trip = char.encode(encoding, **kwargs).decode(encoding) if trip == char: continue raise ValueError(trip) except ValueError: refused[char] = None if refused: raise ArgumentTypeError( "the file system codec ({}) cannot handle characters {!r} within {!r}".format( encoding, "".join(refused.keys()), raw_value, ), ) if os.pathsep in raw_value: raise ArgumentTypeError( "destination {!r} must not contain the path separator ({}) as this would break " "the activation scripts".format(raw_value, os.pathsep), ) value = Path(raw_value) if value.exists() and value.is_file(): raise ArgumentTypeError("the destination {} already exists and is a file".format(value)) if (3, 3) <= sys.version_info <= (3, 6): # pre 3.6 resolve is always strict, aka must exists, sidestep by using os.path operation dest = Path(os.path.realpath(raw_value)) else: dest = Path(os.path.abspath(str(value))).resolve() # on Windows absolute does not imply resolve so use both value = dest while dest: if dest.exists(): if os.access(ensure_text(str(dest)), os.W_OK): break else: non_write_able(dest, value) base, _ = dest.parent, dest.name if base == dest: non_write_able(dest, value) # pragma: no cover dest = base return str(value) def run(self): if self.dest.exists() and self.clear: logging.debug("delete %s", self.dest) safe_delete(self.dest) self.create() self.set_pyenv_cfg() if not self.no_vcs_ignore: self.setup_ignore_vcs() def set_pyenv_cfg(self): self.pyenv_cfg.content = OrderedDict() self.pyenv_cfg["home"] = self.interpreter.system_exec_prefix self.pyenv_cfg["implementation"] = self.interpreter.implementation self.pyenv_cfg["version_info"] = ".".join(str(i) for i in self.interpreter.version_info) self.pyenv_cfg["virtualenv"] = __version__ def setup_ignore_vcs(self): """Generate ignore instructions for version control systems.""" # mark this folder to be ignored by VCS, handle https://www.python.org/dev/peps/pep-0610/#registered-vcs git_ignore = self.dest / ".gitignore" if not git_ignore.exists(): git_ignore.write_text( dedent( """ # created by virtualenv automatically * """, ).lstrip(), ) # Mercurial - does not support