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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.
usage: python -m venv [-h] [--system-site-packages] [--symlinks] [--clear]
[--upgrade]
ENV_DIR [ENV_DIR ...]
Creates virtual Python environments in one or more target directories.
positional arguments:
ENV_DIR A directory to create the environment in.
optional arguments:
-h, --help show this help message and exit
--system-site-packages
Give the virtual environment access to the system
site-packages dir.
--symlinks Attempt to symlink rather than copy.
--clear Delete the contents of the environment directory if it
already exists, before environment creation.
--upgrade Upgrade the environment directory to use this version
of Python, assuming Python has been upgraded in-place.
--without-pip Skips installing or upgrading pip in the virtual
environment (pip is bootstrapped by default)
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EnvBuilderaR
This class exists to allow virtual environment creation to be
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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
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Create a virtual environment in a directory.
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Create the directories for the environment.
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Create a configuration file indicating where the environment's Python
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Set up a Python executable in the environment.
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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
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Replace variable placeholders in script text with context-specific
variables.
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:param text: The text in which to replace placeholder variables.
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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.
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Create a virtual environment in a directory.
By default, makes the system (global) site-packages dir *un*available to
the created environment, and uses copying rather than symlinking for files
obtained from the source Python installation.
:param env_dir: The target directory to create an environment in.
:param system_site_packages: If True, the system (global) site-packages
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: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 with_pip: If True, ensure pip is installed in the virtual
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