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python-3.6.zip added from Github

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README.cosmo contains the necessary links.
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ahgamut 2021-08-08 09:38:33 +05:30 • committed by Justine Tunney
parent 75fc601ff5
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425
third_party/python/Lib/venv/__init__.py vendored Normal file
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"""
Virtual environment (venv) package for Python. Based on PEP 405.
Copyright (C) 2011-2014 Vinay Sajip.
Licensed to the PSF under a contributor agreement.
"""
import logging
import os
import shutil
import subprocess
import sys
import types
logger = logging.getLogger(__name__)
class EnvBuilder:
"""
This class exists to allow virtual environment creation to be
customized. The constructor parameters determine the builder's
behaviour when called upon to create a virtual environment.
By default, the builder makes the system (global) site-packages dir
*un*available to the created environment.
If invoked using the Python -m option, the default is to use copying
on Windows platforms but symlinks elsewhere. If instantiated some
other way, the default is to *not* use symlinks.
:param system_site_packages: If True, the system (global) site-packages
dir is available to created environments.
:param clear: If True, delete the contents of the environment directory if
it already exists, before environment creation.
:param symlinks: If True, attempt to symlink rather than copy files into
virtual environment.
:param upgrade: If True, upgrade an existing virtual environment.
:param with_pip: If True, ensure pip is installed in the virtual
environment
:param prompt: Alternative terminal prefix for the environment.
"""
def __init__(self, system_site_packages=False, clear=False,
symlinks=False, upgrade=False, with_pip=False, prompt=None):
self.system_site_packages = system_site_packages
self.clear = clear
self.symlinks = symlinks
self.upgrade = upgrade
self.with_pip = with_pip
self.prompt = prompt
def create(self, env_dir):
"""
Create a virtual environment in a directory.
:param env_dir: The target directory to create an environment in.
"""
env_dir = os.path.abspath(env_dir)
context = self.ensure_directories(env_dir)
# See issue 24875. We need system_site_packages to be False
# until after pip is installed.
true_system_site_packages = self.system_site_packages
self.system_site_packages = False
self.create_configuration(context)
self.setup_python(context)
if self.with_pip:
self._setup_pip(context)
if not self.upgrade:
self.setup_scripts(context)
self.post_setup(context)
if true_system_site_packages:
# We had set it to False before, now
# restore it and rewrite the configuration
self.system_site_packages = True
self.create_configuration(context)
def clear_directory(self, path):
for fn in os.listdir(path):
fn = os.path.join(path, fn)
if os.path.islink(fn) or os.path.isfile(fn):
os.remove(fn)
elif os.path.isdir(fn):
shutil.rmtree(fn)
def ensure_directories(self, env_dir):
"""
Create the directories for the environment.
Returns a context object which holds paths in the environment,
for use by subsequent logic.
"""
def create_if_needed(d):
if not os.path.exists(d):
os.makedirs(d)
elif os.path.islink(d) or os.path.isfile(d):
raise ValueError('Unable to create directory %r' % d)
if os.path.exists(env_dir) and self.clear:
self.clear_directory(env_dir)
context = types.SimpleNamespace()
context.env_dir = env_dir
context.env_name = os.path.split(env_dir)[1]
prompt = self.prompt if self.prompt is not None else context.env_name
context.prompt = '(%s) ' % prompt
create_if_needed(env_dir)
env = os.environ
if sys.platform == 'darwin' and '__PYVENV_LAUNCHER__' in env:
executable = os.environ['__PYVENV_LAUNCHER__']
else:
executable = sys.executable
dirname, exename = os.path.split(os.path.abspath(executable))
context.executable = executable
context.python_dir = dirname
context.python_exe = exename
if sys.platform == 'win32':
binname = 'Scripts'
incpath = 'Include'
libpath = os.path.join(env_dir, 'Lib', 'site-packages')
else:
binname = 'bin'
incpath = 'include'
libpath = os.path.join(env_dir, 'lib',
'python%d.%d' % sys.version_info[:2],
'site-packages')
context.inc_path = path = os.path.join(env_dir, incpath)
create_if_needed(path)
create_if_needed(libpath)
# Issue 21197: create lib64 as a symlink to lib on 64-bit non-OS X POSIX
if ((sys.maxsize > 2**32) and (os.name == 'posix') and
(sys.platform != 'darwin')):
link_path = os.path.join(env_dir, 'lib64')
if not os.path.exists(link_path): # Issue #21643
os.symlink('lib', link_path)
context.bin_path = binpath = os.path.join(env_dir, binname)
context.bin_name = binname
context.env_exe = os.path.join(binpath, exename)
create_if_needed(binpath)
return context
def create_configuration(self, context):
"""
Create a configuration file indicating where the environment's Python
was copied from, and whether the system site-packages should be made
available in the environment.
:param context: The information for the environment creation request
being processed.
"""
context.cfg_path = path = os.path.join(context.env_dir, 'pyvenv.cfg')
with open(path, 'w', encoding='utf-8') as f:
f.write('home = %s\n' % context.python_dir)
if self.system_site_packages:
incl = 'true'
else:
incl = 'false'
f.write('include-system-site-packages = %s\n' % incl)
f.write('version = %d.%d.%d\n' % sys.version_info[:3])
if os.name == 'nt':
def include_binary(self, f):
if f.endswith(('.pyd', '.dll')):
result = True
else:
result = f.startswith('python') and f.endswith('.exe')
return result
def symlink_or_copy(self, src, dst, relative_symlinks_ok=False):
"""
Try symlinking a file, and if that fails, fall back to copying.
"""
force_copy = not self.symlinks
if not force_copy:
try:
if not os.path.islink(dst): # can't link to itself!
if relative_symlinks_ok:
assert os.path.dirname(src) == os.path.dirname(dst)
os.symlink(os.path.basename(src), dst)
else:
os.symlink(src, dst)
except Exception: # may need to use a more specific exception
logger.warning('Unable to symlink %r to %r', src, dst)
force_copy = True
if force_copy:
shutil.copyfile(src, dst)
def setup_python(self, context):
"""
Set up a Python executable in the environment.
:param context: The information for the environment creation request
being processed.
"""
binpath = context.bin_path
path = context.env_exe
copier = self.symlink_or_copy
copier(context.executable, path)
dirname = context.python_dir
if os.name != 'nt':
if not os.path.islink(path):
os.chmod(path, 0o755)
for suffix in ('python', 'python3'):
path = os.path.join(binpath, suffix)
if not os.path.exists(path):
# Issue 18807: make copies if
# symlinks are not wanted
copier(context.env_exe, path, relative_symlinks_ok=True)
if not os.path.islink(path):
os.chmod(path, 0o755)
else:
subdir = 'DLLs'
include = self.include_binary
files = [f for f in os.listdir(dirname) if include(f)]
for f in files:
src = os.path.join(dirname, f)
dst = os.path.join(binpath, f)
if dst != context.env_exe: # already done, above
copier(src, dst)
dirname = os.path.join(dirname, subdir)
if os.path.isdir(dirname):
files = [f for f in os.listdir(dirname) if include(f)]
for f in files:
src = os.path.join(dirname, f)
dst = os.path.join(binpath, f)
copier(src, dst)
# copy init.tcl over
for root, dirs, files in os.walk(context.python_dir):
if 'init.tcl' in files:
tcldir = os.path.basename(root)
tcldir = os.path.join(context.env_dir, 'Lib', tcldir)
if not os.path.exists(tcldir):
os.makedirs(tcldir)
src = os.path.join(root, 'init.tcl')
dst = os.path.join(tcldir, 'init.tcl')
shutil.copyfile(src, dst)
break
def _setup_pip(self, context):
"""Installs or upgrades pip in a virtual environment"""
# We run ensurepip in isolated mode to avoid side effects from
# environment vars, the current directory and anything else
# intended for the global Python environment
cmd = [context.env_exe, '-Im', 'ensurepip', '--upgrade',
'--default-pip']
subprocess.check_output(cmd, stderr=subprocess.STDOUT)
def setup_scripts(self, context):
"""
Set up scripts into the created environment from a directory.
This method installs the default scripts into the environment
being created. You can prevent the default installation by overriding
this method if you really need to, or if you need to specify
a different location for the scripts to install. By default, the
'scripts' directory in the venv package is used as the source of
scripts to install.
"""
path = os.path.abspath(os.path.dirname(__file__))
path = os.path.join(path, 'scripts')
self.install_scripts(context, path)
def post_setup(self, context):
"""
Hook for post-setup modification of the venv. Subclasses may install
additional packages or scripts here, add activation shell scripts, etc.
:param context: The information for the environment creation request
being processed.
"""
pass
def replace_variables(self, text, context):
"""
Replace variable placeholders in script text with context-specific
variables.
Return the text passed in , but with variables replaced.
:param text: The text in which to replace placeholder variables.
:param context: The information for the environment creation request
being processed.
"""
text = text.replace('__VENV_DIR__', context.env_dir)
text = text.replace('__VENV_NAME__', context.env_name)
text = text.replace('__VENV_PROMPT__', context.prompt)
text = text.replace('__VENV_BIN_NAME__', context.bin_name)
text = text.replace('__VENV_PYTHON__', context.env_exe)
return text
def install_scripts(self, context, path):
"""
Install scripts into the created environment from a directory.
:param context: The information for the environment creation request
being processed.
:param path: Absolute pathname of a directory containing script.
Scripts in the 'common' subdirectory of this directory,
and those in the directory named for the platform
being run on, are installed in the created environment.
Placeholder variables are replaced with environment-
specific values.
"""
binpath = context.bin_path
plen = len(path)
for root, dirs, files in os.walk(path):
if root == path: # at top-level, remove irrelevant dirs
for d in dirs[:]:
if d not in ('common', os.name):
dirs.remove(d)
continue # ignore files in top level
for f in files:
srcfile = os.path.join(root, f)
suffix = root[plen:].split(os.sep)[2:]
if not suffix:
dstdir = binpath
else:
dstdir = os.path.join(binpath, *suffix)
if not os.path.exists(dstdir):
os.makedirs(dstdir)
dstfile = os.path.join(dstdir, f)
with open(srcfile, 'rb') as f:
data = f.read()
if not srcfile.endswith('.exe'):
try:
data = data.decode('utf-8')
data = self.replace_variables(data, context)
data = data.encode('utf-8')
except UnicodeError as e:
data = None
logger.warning('unable to copy script %r, '
'may be binary: %s', srcfile, e)
if data is not None:
with open(dstfile, 'wb') as f:
f.write(data)
shutil.copymode(srcfile, dstfile)
def create(env_dir, system_site_packages=False, clear=False,
symlinks=False, with_pip=False, prompt=None):
"""Create a virtual environment in a directory."""
builder = EnvBuilder(system_site_packages=system_site_packages,
clear=clear, symlinks=symlinks, with_pip=with_pip,
prompt=prompt)
builder.create(env_dir)
def main(args=None):
compatible = True
if sys.version_info < (3, 3):
compatible = False
elif not hasattr(sys, 'base_prefix'):
compatible = False
if not compatible:
raise ValueError('This script is only for use with Python >= 3.3')
else:
import argparse
parser = argparse.ArgumentParser(prog=__name__,
description='Creates virtual Python '
'environments in one or '
'more target '
'directories.',
epilog='Once an environment has been '
'created, you may wish to '
'activate it, e.g. by '
'sourcing an activate script '
'in its bin directory.')
parser.add_argument('dirs', metavar='ENV_DIR', nargs='+',
help='A directory to create the environment in.')
parser.add_argument('--system-site-packages', default=False,
action='store_true', dest='system_site',
help='Give the virtual environment access to the '
'system site-packages dir.')
if os.name == 'nt':
use_symlinks = False
else:
use_symlinks = True
group = parser.add_mutually_exclusive_group()
group.add_argument('--symlinks', default=use_symlinks,
action='store_true', dest='symlinks',
help='Try to use symlinks rather than copies, '
'when symlinks are not the default for '
'the platform.')
group.add_argument('--copies', default=not use_symlinks,
action='store_false', dest='symlinks',
help='Try to use copies rather than symlinks, '
'even when symlinks are the default for '
'the platform.')
parser.add_argument('--clear', default=False, action='store_true',
dest='clear', help='Delete the contents of the '
'environment directory if it '
'already exists, before '
'environment creation.')
parser.add_argument('--upgrade', default=False, action='store_true',
dest='upgrade', help='Upgrade the environment '
'directory to use this version '
'of Python, assuming Python '
'has been upgraded in-place.')
parser.add_argument('--without-pip', dest='with_pip',
default=True, action='store_false',
help='Skips installing or upgrading pip in the '
'virtual environment (pip is bootstrapped '
'by default)')
parser.add_argument('--prompt',
help='Provides an alternative prompt prefix for '
'this environment.')
options = parser.parse_args(args)
if options.upgrade and options.clear:
raise ValueError('you cannot supply --upgrade and --clear together.')
builder = EnvBuilder(system_site_packages=options.system_site,
clear=options.clear,
symlinks=options.symlinks,
upgrade=options.upgrade,
with_pip=options.with_pip,
prompt=options.prompt)
for d in options.dirs:
builder.create(d)
if __name__ == '__main__':
rc = 1
try:
main()
rc = 0
except Exception as e:
print('Error: %s' % e, file=sys.stderr)
sys.exit(rc)

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third_party/python/Lib/venv/__main__.py vendored Normal file
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import sys
from . import main
rc = 1
try:
main()
rc = 0
except Exception as e:
print('Error: %s' % e, file=sys.stderr)
sys.exit(rc)

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# This file must be used with "source bin/activate" *from bash*
# you cannot run it directly
deactivate () {
# reset old environment variables
if [ -n "${_OLD_VIRTUAL_PATH:-}" ] ; then
PATH="${_OLD_VIRTUAL_PATH:-}"
export PATH
unset _OLD_VIRTUAL_PATH
fi
if [ -n "${_OLD_VIRTUAL_PYTHONHOME:-}" ] ; then
PYTHONHOME="${_OLD_VIRTUAL_PYTHONHOME:-}"
export PYTHONHOME
unset _OLD_VIRTUAL_PYTHONHOME
fi
# This should detect bash and zsh, which have a hash command that must
# be called to get it to forget past commands. Without forgetting
# past commands the $PATH changes we made may not be respected
if [ -n "${BASH:-}" -o -n "${ZSH_VERSION:-}" ] ; then
hash -r
fi
if [ -n "${_OLD_VIRTUAL_PS1:-}" ] ; then
PS1="${_OLD_VIRTUAL_PS1:-}"
export PS1
unset _OLD_VIRTUAL_PS1
fi
unset VIRTUAL_ENV
if [ ! "$1" = "nondestructive" ] ; then
# Self destruct!
unset -f deactivate
fi
}
# unset irrelevant variables
deactivate nondestructive
VIRTUAL_ENV="__VENV_DIR__"
export VIRTUAL_ENV
_OLD_VIRTUAL_PATH="$PATH"
PATH="$VIRTUAL_ENV/__VENV_BIN_NAME__:$PATH"
export PATH
# unset PYTHONHOME if set
# this will fail if PYTHONHOME is set to the empty string (which is bad anyway)
# could use `if (set -u; : $PYTHONHOME) ;` in bash
if [ -n "${PYTHONHOME:-}" ] ; then
_OLD_VIRTUAL_PYTHONHOME="${PYTHONHOME:-}"
unset PYTHONHOME
fi
if [ -z "${VIRTUAL_ENV_DISABLE_PROMPT:-}" ] ; then
_OLD_VIRTUAL_PS1="${PS1:-}"
if [ "x__VENV_PROMPT__" != x ] ; then
PS1="__VENV_PROMPT__${PS1:-}"
else
if [ "`basename \"$VIRTUAL_ENV\"`" = "__" ] ; then
# special case for Aspen magic directories
# see http://www.zetadev.com/software/aspen/
PS1="[`basename \`dirname \"$VIRTUAL_ENV\"\``] $PS1"
else
PS1="(`basename \"$VIRTUAL_ENV\"`)$PS1"
fi
fi
export PS1
fi
# This should detect bash and zsh, which have a hash command that must
# be called to get it to forget past commands. Without forgetting
# past commands the $PATH changes we made may not be respected
if [ -n "${BASH:-}" -o -n "${ZSH_VERSION:-}" ] ; then
hash -r
fi

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third_party/python/Lib/venv/scripts/nt/Activate.ps1 vendored Normal file
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function global:deactivate ([switch]$NonDestructive) {
# Revert to original values
if (Test-Path function:_OLD_VIRTUAL_PROMPT) {
copy-item function:_OLD_VIRTUAL_PROMPT function:prompt
remove-item function:_OLD_VIRTUAL_PROMPT
}
if (Test-Path env:_OLD_VIRTUAL_PYTHONHOME) {
copy-item env:_OLD_VIRTUAL_PYTHONHOME env:PYTHONHOME
remove-item env:_OLD_VIRTUAL_PYTHONHOME
}
if (Test-Path env:_OLD_VIRTUAL_PATH) {
copy-item env:_OLD_VIRTUAL_PATH env:PATH
remove-item env:_OLD_VIRTUAL_PATH
}
if (Test-Path env:VIRTUAL_ENV) {
remove-item env:VIRTUAL_ENV
}
if (!$NonDestructive) {
# Self destruct!
remove-item function:deactivate
}
}
deactivate -nondestructive
$env:VIRTUAL_ENV="__VENV_DIR__"
if (! $env:VIRTUAL_ENV_DISABLE_PROMPT) {
# Set the prompt to include the env name
# Make sure _OLD_VIRTUAL_PROMPT is global
function global:_OLD_VIRTUAL_PROMPT {""}
copy-item function:prompt function:_OLD_VIRTUAL_PROMPT
function global:prompt {
Write-Host -NoNewline -ForegroundColor Green '__VENV_PROMPT__'
_OLD_VIRTUAL_PROMPT
}
}
# Clear PYTHONHOME
if (Test-Path env:PYTHONHOME) {
copy-item env:PYTHONHOME env:_OLD_VIRTUAL_PYTHONHOME
remove-item env:PYTHONHOME
}
# Add the venv to the PATH
copy-item env:PATH env:_OLD_VIRTUAL_PATH
$env:PATH = "$env:VIRTUAL_ENV\__VENV_BIN_NAME__;$env:PATH"

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@echo off
rem This file is UTF-8 encoded, so we need to update the current code page while executing it
for /f "tokens=2 delims=:" %%a in ('"%SystemRoot%\System32\chcp.com"') do (
set "_OLD_CODEPAGE=%%a"
)
if defined _OLD_CODEPAGE (
"%SystemRoot%\System32\chcp.com" 65001 > nul
)
set "VIRTUAL_ENV=__VENV_DIR__"
if not defined PROMPT (
set "PROMPT=$P$G"
)
if defined _OLD_VIRTUAL_PROMPT (
set "PROMPT=%_OLD_VIRTUAL_PROMPT%"
)
if defined _OLD_VIRTUAL_PYTHONHOME (
set "PYTHONHOME=%_OLD_VIRTUAL_PYTHONHOME%"
)
set "_OLD_VIRTUAL_PROMPT=%PROMPT%"
set "PROMPT=__VENV_PROMPT__%PROMPT%"
if defined PYTHONHOME (
set "_OLD_VIRTUAL_PYTHONHOME=%PYTHONHOME%"
set PYTHONHOME=
)
if defined _OLD_VIRTUAL_PATH (
set "PATH=%_OLD_VIRTUAL_PATH%"
) else (
set "_OLD_VIRTUAL_PATH=%PATH%"
)
set "PATH=%VIRTUAL_ENV%\__VENV_BIN_NAME__;%PATH%"
:END
if defined _OLD_CODEPAGE (
"%SystemRoot%\System32\chcp.com" %_OLD_CODEPAGE% > nul
set "_OLD_CODEPAGE="
)

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@echo off
if defined _OLD_VIRTUAL_PROMPT (
set "PROMPT=%_OLD_VIRTUAL_PROMPT%"
)
set _OLD_VIRTUAL_PROMPT=
if defined _OLD_VIRTUAL_PYTHONHOME (
set "PYTHONHOME=%_OLD_VIRTUAL_PYTHONHOME%"
set _OLD_VIRTUAL_PYTHONHOME=
)
if defined _OLD_VIRTUAL_PATH (
set "PATH=%_OLD_VIRTUAL_PATH%"
)
set _OLD_VIRTUAL_PATH=
set VIRTUAL_ENV=
:END

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# This file must be used with "source bin/activate.csh" *from csh*.
# You cannot run it directly.
# Created by Davide Di Blasi <davidedb@gmail.com>.
# Ported to Python 3.3 venv by Andrew Svetlov <andrew.svetlov@gmail.com>
alias deactivate 'test $?_OLD_VIRTUAL_PATH != 0 && setenv PATH "$_OLD_VIRTUAL_PATH" && unset _OLD_VIRTUAL_PATH; rehash; test $?_OLD_VIRTUAL_PROMPT != 0 && set prompt="$_OLD_VIRTUAL_PROMPT" && unset _OLD_VIRTUAL_PROMPT; unsetenv VIRTUAL_ENV; test "\!:*" != "nondestructive" && unalias deactivate'
# Unset irrelevant variables.
deactivate nondestructive
setenv VIRTUAL_ENV "__VENV_DIR__"
set _OLD_VIRTUAL_PATH="$PATH"
setenv PATH "$VIRTUAL_ENV/__VENV_BIN_NAME__:$PATH"
set _OLD_VIRTUAL_PROMPT="$prompt"
if (! "$?VIRTUAL_ENV_DISABLE_PROMPT") then
if ("__VENV_NAME__" != "") then
set env_name = "__VENV_NAME__"
else
if (`basename "VIRTUAL_ENV"` == "__") then
# special case for Aspen magic directories
# see http://www.zetadev.com/software/aspen/
set env_name = `basename \`dirname "$VIRTUAL_ENV"\``
else
set env_name = `basename "$VIRTUAL_ENV"`
endif
endif
set prompt = "[$env_name] $prompt"
unset env_name
endif
alias pydoc python -m pydoc
rehash

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# This file must be used with ". bin/activate.fish" *from fish* (http://fishshell.org)
# you cannot run it directly
function deactivate -d "Exit virtualenv and return to normal shell environment"
# reset old environment variables
if test -n "$_OLD_VIRTUAL_PATH"
set -gx PATH $_OLD_VIRTUAL_PATH
set -e _OLD_VIRTUAL_PATH
end
if test -n "$_OLD_VIRTUAL_PYTHONHOME"
set -gx PYTHONHOME $_OLD_VIRTUAL_PYTHONHOME
set -e _OLD_VIRTUAL_PYTHONHOME
end
if test -n "$_OLD_FISH_PROMPT_OVERRIDE"
functions -e fish_prompt
set -e _OLD_FISH_PROMPT_OVERRIDE
functions -c _old_fish_prompt fish_prompt
functions -e _old_fish_prompt
end
set -e VIRTUAL_ENV
if test "$argv[1]" != "nondestructive"
# Self destruct!
functions -e deactivate
end
end
# unset irrelevant variables
deactivate nondestructive
set -gx VIRTUAL_ENV "__VENV_DIR__"
set -gx _OLD_VIRTUAL_PATH $PATH
set -gx PATH "$VIRTUAL_ENV/__VENV_BIN_NAME__" $PATH
# unset PYTHONHOME if set
if set -q PYTHONHOME
set -gx _OLD_VIRTUAL_PYTHONHOME $PYTHONHOME
set -e PYTHONHOME
end
if test -z "$VIRTUAL_ENV_DISABLE_PROMPT"
# fish uses a function instead of an env var to generate the prompt.
# save the current fish_prompt function as the function _old_fish_prompt
functions -c fish_prompt _old_fish_prompt
# with the original prompt function renamed, we can override with our own.
function fish_prompt
# Save the return status of the last command
set -l old_status $status
# Prompt override?
if test -n "__VENV_PROMPT__"
printf "%s%s" "__VENV_PROMPT__" (set_color normal)
else
# ...Otherwise, prepend env
set -l _checkbase (basename "$VIRTUAL_ENV")
if test $_checkbase = "__"
# special case for Aspen magic directories
# see http://www.zetadev.com/software/aspen/
printf "%s[%s]%s " (set_color -b blue white) (basename (dirname "$VIRTUAL_ENV")) (set_color normal)
else
printf "%s(%s)%s" (set_color -b blue white) (basename "$VIRTUAL_ENV") (set_color normal)
end
end
# Restore the return status of the previous command.
echo "exit $old_status" | .
_old_fish_prompt
end
set -gx _OLD_FISH_PROMPT_OVERRIDE "$VIRTUAL_ENV"
end