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Lib/site-packages/virtualenv/activation/__init__.py

@@ -0,0 +1,19 @@
+from __future__ import absolute_import, unicode_literals
+
+from .bash import BashActivator
+from .batch import BatchActivator
+from .cshell import CShellActivator
+from .fish import FishActivator
+from .powershell import PowerShellActivator
+from .python import PythonActivator
+from .xonsh import XonshActivator
+
+__all__ = [
+    "BashActivator",
+    "PowerShellActivator",
+    "XonshActivator",
+    "CShellActivator",
+    "PythonActivator",
+    "BatchActivator",
+    "FishActivator",
+]

Lib/site-packages/virtualenv/activation/activator.py

@@ -0,0 +1,44 @@
+from __future__ import absolute_import, unicode_literals
+
+from abc import ABCMeta, abstractmethod
+
+from six import add_metaclass
+
+
+@add_metaclass(ABCMeta)
+class Activator(object):
+    """Generates an activate script for the virtual environment"""
+
+    def __init__(self, options):
+        """Create a new activator generator.
+
+        :param options: the parsed options as defined within :meth:`add_parser_arguments`
+        """
+        self.flag_prompt = options.prompt
+
+    @classmethod
+    def supports(cls, interpreter):
+        """Check if the activation script is supported in the given interpreter.
+
+        :param interpreter: the interpreter we need to support
+        :return: ``True`` if supported, ``False`` otherwise
+        """
+        return True
+
+    @classmethod
+    def add_parser_arguments(cls, parser, interpreter):
+        """
+        Add CLI arguments for this activation script.
+
+        :param parser: the CLI parser
+        :param interpreter: the interpreter this virtual environment is based of
+        """
+
+    @abstractmethod
+    def generate(self, creator):
+        """Generate the activate script for the given creator.
+
+        :param creator: the creator (based of :class:`virtualenv.create.creator.Creator`) we used to create this \
+        virtual environment
+        """
+        raise NotImplementedError

Lib/site-packages/virtualenv/activation/bash/__init__.py

@@ -0,0 +1,13 @@
+from __future__ import absolute_import, unicode_literals
+
+from virtualenv.util.path import Path
+
+from ..via_template import ViaTemplateActivator
+
+
+class BashActivator(ViaTemplateActivator):
+    def templates(self):
+        yield Path("activate.sh")
+
+    def as_name(self, template):
+        return template.stem

Lib/site-packages/virtualenv/activation/bash/activate.sh

@@ -0,0 +1,87 @@
+# This file must be used with "source bin/activate" *from bash*
+# you cannot run it directly
+
+
+if [ "${BASH_SOURCE-}" = "$0" ]; then
+    echo "You must source this script: \$ source $0" >&2
+    exit 33
+fi
+
+deactivate () {
+    unset -f pydoc >/dev/null 2>&1
+
+    # reset old environment variables
+    # ! [ -z ${VAR+_} ] returns true if VAR is declared at all
+    if ! [ -z "${_OLD_VIRTUAL_PATH:+_}" ] ; then
+        PATH="$_OLD_VIRTUAL_PATH"
+        export PATH
+        unset _OLD_VIRTUAL_PATH
+    fi
+    if ! [ -z "${_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-}" ] || [ -n "${ZSH_VERSION-}" ] ; then
+        hash -r 2>/dev/null
+    fi
+
+    if ! [ -z "${_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='__VIRTUAL_ENV__'
+if ([ "$OSTYPE" = "cygwin" ] || [ "$OSTYPE" = "msys" ]) && $(command -v cygpath &> /dev/null) ; then
+    VIRTUAL_ENV=$(cygpath -u "$VIRTUAL_ENV")
+fi
+export VIRTUAL_ENV
+
+_OLD_VIRTUAL_PATH="$PATH"
+PATH="$VIRTUAL_ENV/__BIN_NAME__:$PATH"
+export PATH
+
+# unset PYTHONHOME if set
+if ! [ -z "${PYTHONHOME+_}" ] ; then
+    _OLD_VIRTUAL_PYTHONHOME="$PYTHONHOME"
+    unset PYTHONHOME
+fi
+
+if [ -z "${VIRTUAL_ENV_DISABLE_PROMPT-}" ] ; then
+    _OLD_VIRTUAL_PS1="${PS1-}"
+    if [ "x__VIRTUAL_PROMPT__" != x ] ; then
+        PS1="__VIRTUAL_PROMPT__${PS1-}"
+    else
+        PS1="(`basename \"$VIRTUAL_ENV\"`) ${PS1-}"
+    fi
+    export PS1
+fi
+
+# Make sure to unalias pydoc if it's already there
+alias pydoc 2>/dev/null >/dev/null && unalias pydoc || true
+
+pydoc () {
+    python -m pydoc "$@"
+}
+
+# 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-}" ] || [ -n "${ZSH_VERSION-}" ] ; then
+    hash -r 2>/dev/null
+fi

Lib/site-packages/virtualenv/activation/batch/__init__.py

@@ -0,0 +1,23 @@
+from __future__ import absolute_import, unicode_literals
+
+import os
+
+from virtualenv.util.path import Path
+
+from ..via_template import ViaTemplateActivator
+
+
+class BatchActivator(ViaTemplateActivator):
+    @classmethod
+    def supports(cls, interpreter):
+        return interpreter.os == "nt"
+
+    def templates(self):
+        yield Path("activate.bat")
+        yield Path("deactivate.bat")
+        yield Path("pydoc.bat")
+
+    def instantiate_template(self, replacements, template, creator):
+        # ensure the text has all newlines as \r\n - required by batch
+        base = super(BatchActivator, self).instantiate_template(replacements, template, creator)
+        return base.replace(os.linesep, "\n").replace("\n", os.linesep)

Lib/site-packages/virtualenv/activation/batch/activate.bat

@@ -0,0 +1,40 @@
+@echo off
+
+set "VIRTUAL_ENV=__VIRTUAL_ENV__"
+
+if defined _OLD_VIRTUAL_PROMPT (
+    set "PROMPT=%_OLD_VIRTUAL_PROMPT%"
+) else (
+    if not defined PROMPT (
+        set "PROMPT=$P$G"
+    )
+    if not defined VIRTUAL_ENV_DISABLE_PROMPT (
+        set "_OLD_VIRTUAL_PROMPT=%PROMPT%"
+    )
+)
+if not defined VIRTUAL_ENV_DISABLE_PROMPT (
+    set "ENV_PROMPT=__VIRTUAL_PROMPT__"
+    if NOT DEFINED ENV_PROMPT (
+        for %%d in ("%VIRTUAL_ENV%") do set "ENV_PROMPT=(%%~nxd) "
+    )
+    )
+    set "PROMPT=%ENV_PROMPT%%PROMPT%"
+)
+
+REM Don't use () to avoid problems with them in %PATH%
+if defined _OLD_VIRTUAL_PYTHONHOME goto ENDIFVHOME
+    set "_OLD_VIRTUAL_PYTHONHOME=%PYTHONHOME%"
+:ENDIFVHOME
+
+set PYTHONHOME=
+
+REM if defined _OLD_VIRTUAL_PATH (
+if not defined _OLD_VIRTUAL_PATH goto ENDIFVPATH1
+    set "PATH=%_OLD_VIRTUAL_PATH%"
+:ENDIFVPATH1
+REM ) else (
+if defined _OLD_VIRTUAL_PATH goto ENDIFVPATH2
+    set "_OLD_VIRTUAL_PATH=%PATH%"
+:ENDIFVPATH2
+
+set "PATH=%VIRTUAL_ENV%\__BIN_NAME__;%PATH%"

Lib/site-packages/virtualenv/activation/batch/deactivate.bat

@@ -0,0 +1,19 @@
+@echo off
+
+set VIRTUAL_ENV=
+
+REM Don't use () to avoid problems with them in %PATH%
+if not defined _OLD_VIRTUAL_PROMPT goto ENDIFVPROMPT
+    set "PROMPT=%_OLD_VIRTUAL_PROMPT%"
+    set _OLD_VIRTUAL_PROMPT=
+:ENDIFVPROMPT
+
+if not defined _OLD_VIRTUAL_PYTHONHOME goto ENDIFVHOME
+    set "PYTHONHOME=%_OLD_VIRTUAL_PYTHONHOME%"
+    set _OLD_VIRTUAL_PYTHONHOME=
+:ENDIFVHOME
+
+if not defined _OLD_VIRTUAL_PATH goto ENDIFVPATH
+    set "PATH=%_OLD_VIRTUAL_PATH%"
+    set _OLD_VIRTUAL_PATH=
+:ENDIFVPATH

Lib/site-packages/virtualenv/activation/batch/pydoc.bat

@@ -0,0 +1 @@
+python.exe -m pydoc %*

Lib/site-packages/virtualenv/activation/cshell/__init__.py

@@ -0,0 +1,14 @@
+from __future__ import absolute_import, unicode_literals
+
+from virtualenv.util.path import Path
+
+from ..via_template import ViaTemplateActivator
+
+
+class CShellActivator(ViaTemplateActivator):
+    @classmethod
+    def supports(cls, interpreter):
+        return interpreter.os != "nt"
+
+    def templates(self):
+        yield Path("activate.csh")

Lib/site-packages/virtualenv/activation/cshell/activate.csh

@@ -0,0 +1,55 @@
+# 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>.
+
+set newline='\
+'
+
+alias deactivate 'test $?_OLD_VIRTUAL_PATH != 0 && setenv PATH "$_OLD_VIRTUAL_PATH:q" && unset _OLD_VIRTUAL_PATH; rehash; test $?_OLD_VIRTUAL_PROMPT != 0 && set prompt="$_OLD_VIRTUAL_PROMPT:q" && unset _OLD_VIRTUAL_PROMPT; unsetenv VIRTUAL_ENV; test "\!:*" != "nondestructive" && unalias deactivate && unalias pydoc'
+
+# Unset irrelevant variables.
+deactivate nondestructive
+
+setenv VIRTUAL_ENV '__VIRTUAL_ENV__'
+
+set _OLD_VIRTUAL_PATH="$PATH:q"
+setenv PATH "$VIRTUAL_ENV:q/__BIN_NAME__:$PATH:q"
+
+
+
+if ('__VIRTUAL_PROMPT__' != "") then
+    set env_name = '__VIRTUAL_PROMPT__'
+else
+    set env_name = '('"$VIRTUAL_ENV:t:q"') '
+endif
+
+if ( $?VIRTUAL_ENV_DISABLE_PROMPT ) then
+    if ( $VIRTUAL_ENV_DISABLE_PROMPT == "" ) then
+        set do_prompt = "1"
+    else
+        set do_prompt = "0"
+    endif
+else
+    set do_prompt = "1"
+endif
+
+if ( $do_prompt == "1" ) then
+    # Could be in a non-interactive environment,
+    # in which case, $prompt is undefined and we wouldn't
+    # care about the prompt anyway.
+    if ( $?prompt ) then
+        set _OLD_VIRTUAL_PROMPT="$prompt:q"
+        if ( "$prompt:q" =~ *"$newline:q"* ) then
+            :
+        else
+            set prompt = "$env_name:q$prompt:q"
+        endif
+    endif
+endif
+
+unset env_name
+unset do_prompt
+
+alias pydoc python -m pydoc
+
+rehash

Lib/site-packages/virtualenv/activation/fish/__init__.py

@@ -0,0 +1,10 @@
+from __future__ import absolute_import, unicode_literals
+
+from virtualenv.util.path import Path
+
+from ..via_template import ViaTemplateActivator
+
+
+class FishActivator(ViaTemplateActivator):
+    def templates(self):
+        yield Path("activate.fish")

Lib/site-packages/virtualenv/activation/fish/activate.fish

@@ -0,0 +1,100 @@
+# This file must be used using `source bin/activate.fish` *within a running fish ( http://fishshell.com ) session*.
+# Do not run it directly.
+
+function _bashify_path -d "Converts a fish path to something bash can recognize"
+    set fishy_path $argv
+    set bashy_path $fishy_path[1]
+    for path_part in $fishy_path[2..-1]
+        set bashy_path "$bashy_path:$path_part"
+    end
+    echo $bashy_path
+end
+
+function _fishify_path -d "Converts a bash path to something fish can recognize"
+    echo $argv | tr ':' '\n'
+end
+
+function deactivate -d 'Exit virtualenv mode and return to the normal environment.'
+    # reset old environment variables
+    if test -n "$_OLD_VIRTUAL_PATH"
+        # https://github.com/fish-shell/fish-shell/issues/436 altered PATH handling
+        if test (echo $FISH_VERSION | head -c 1) -lt 3
+            set -gx PATH (_fishify_path "$_OLD_VIRTUAL_PATH")
+        else
+            set -gx PATH "$_OLD_VIRTUAL_PATH"
+        end
+        set -e _OLD_VIRTUAL_PATH
+    end
+
+    if test -n "$_OLD_VIRTUAL_PYTHONHOME"
+        set -gx PYTHONHOME "$_OLD_VIRTUAL_PYTHONHOME"
+        set -e _OLD_VIRTUAL_PYTHONHOME
+    end
+
+    if test -n "$_OLD_FISH_PROMPT_OVERRIDE"
+       and functions -q _old_fish_prompt
+        # Set an empty local `$fish_function_path` to allow the removal of `fish_prompt` using `functions -e`.
+        set -l fish_function_path
+
+        # Erase virtualenv's `fish_prompt` and restore the original.
+        functions -e fish_prompt
+        functions -c _old_fish_prompt fish_prompt
+        functions -e _old_fish_prompt
+        set -e _OLD_FISH_PROMPT_OVERRIDE
+    end
+
+    set -e VIRTUAL_ENV
+
+    if test "$argv[1]" != 'nondestructive'
+        # Self-destruct!
+        functions -e pydoc
+        functions -e deactivate
+        functions -e _bashify_path
+        functions -e _fishify_path
+    end
+end
+
+# Unset irrelevant variables.
+deactivate nondestructive
+
+set -gx VIRTUAL_ENV '__VIRTUAL_ENV__'
+
+# https://github.com/fish-shell/fish-shell/issues/436 altered PATH handling
+if test (echo $FISH_VERSION | head -c 1) -lt 3
+   set -gx _OLD_VIRTUAL_PATH (_bashify_path $PATH)
+else
+    set -gx _OLD_VIRTUAL_PATH "$PATH"
+end
+set -gx PATH "$VIRTUAL_ENV"'/__BIN_NAME__' $PATH
+
+# Unset `$PYTHONHOME` if set.
+if set -q PYTHONHOME
+    set -gx _OLD_VIRTUAL_PYTHONHOME $PYTHONHOME
+    set -e PYTHONHOME
+end
+
+function pydoc
+    python -m pydoc $argv
+end
+
+if test -z "$VIRTUAL_ENV_DISABLE_PROMPT"
+    # Copy the current `fish_prompt` function as `_old_fish_prompt`.
+    functions -c fish_prompt _old_fish_prompt
+
+    function fish_prompt
+        # Run the user's prompt first; it might depend on (pipe)status.
+        set -l prompt (_old_fish_prompt)
+
+        # Prompt override provided?
+        # If not, just prepend the environment name.
+        if test -n '__VIRTUAL_PROMPT__'
+            printf '%s%s' '__VIRTUAL_PROMPT__' (set_color normal)
+        else
+            printf '%s(%s) ' (set_color normal) (basename "$VIRTUAL_ENV")
+        end
+
+        string join -- \n $prompt # handle multi-line prompts
+    end
+
+    set -gx _OLD_FISH_PROMPT_OVERRIDE "$VIRTUAL_ENV"
+end

Lib/site-packages/virtualenv/activation/powershell/__init__.py

@@ -0,0 +1,10 @@
+from __future__ import absolute_import, unicode_literals
+
+from virtualenv.util.path import Path
+
+from ..via_template import ViaTemplateActivator
+
+
+class PowerShellActivator(ViaTemplateActivator):
+    def templates(self):
+        yield Path("activate.ps1")

Lib/site-packages/virtualenv/activation/powershell/activate.ps1

@@ -0,0 +1,60 @@
+$script:THIS_PATH = $myinvocation.mycommand.path
+$script:BASE_DIR = Split-Path (Resolve-Path "$THIS_PATH/..") -Parent
+
+function global:deactivate([switch] $NonDestructive) {
+    if (Test-Path variable:_OLD_VIRTUAL_PATH) {
+        $env:PATH = $variable:_OLD_VIRTUAL_PATH
+        Remove-Variable "_OLD_VIRTUAL_PATH" -Scope global
+    }
+
+    if (Test-Path function:_old_virtual_prompt) {
+        $function:prompt = $function:_old_virtual_prompt
+        Remove-Item function:\_old_virtual_prompt
+    }
+
+    if ($env:VIRTUAL_ENV) {
+        Remove-Item env:VIRTUAL_ENV -ErrorAction SilentlyContinue
+    }
+
+    if (!$NonDestructive) {
+        # Self destruct!
+        Remove-Item function:deactivate
+        Remove-Item function:pydoc
+    }
+}
+
+function global:pydoc {
+    python -m pydoc $args
+}
+
+# unset irrelevant variables
+deactivate -nondestructive
+
+$VIRTUAL_ENV = $BASE_DIR
+$env:VIRTUAL_ENV = $VIRTUAL_ENV
+
+New-Variable -Scope global -Name _OLD_VIRTUAL_PATH -Value $env:PATH
+
+$env:PATH = "$env:VIRTUAL_ENV/__BIN_NAME____PATH_SEP__" + $env:PATH
+if (!$env:VIRTUAL_ENV_DISABLE_PROMPT) {
+    function global:_old_virtual_prompt {
+        ""
+    }
+    $function:_old_virtual_prompt = $function:prompt
+
+    if ("__VIRTUAL_PROMPT__" -ne "") {
+        function global:prompt {
+            # Add the custom prefix to the existing prompt
+            $previous_prompt_value = & $function:_old_virtual_prompt
+            ("__VIRTUAL_PROMPT__" + $previous_prompt_value)
+        }
+    }
+    else {
+        function global:prompt {
+            # Add a prefix to the current prompt, but don't discard it.
+            $previous_prompt_value = & $function:_old_virtual_prompt
+            $new_prompt_value = "($( Split-Path $env:VIRTUAL_ENV -Leaf )) "
+            ($new_prompt_value + $previous_prompt_value)
+        }
+    }
+}

Lib/site-packages/virtualenv/activation/python/__init__.py

@@ -0,0 +1,35 @@
+from __future__ import absolute_import, unicode_literals
+
+import os
+import sys
+from collections import OrderedDict
+
+from virtualenv.util.path import Path
+from virtualenv.util.six import ensure_text
+
+from ..via_template import ViaTemplateActivator
+
+
+class PythonActivator(ViaTemplateActivator):
+    def templates(self):
+        yield Path("activate_this.py")
+
+    def replacements(self, creator, dest_folder):
+        replacements = super(PythonActivator, self).replacements(creator, dest_folder)
+        lib_folders = OrderedDict((os.path.relpath(str(i), str(dest_folder)), None) for i in creator.libs)
+        win_py2 = creator.interpreter.platform == "win32" and creator.interpreter.version_info.major == 2
+        replacements.update(
+            {
+                "__LIB_FOLDERS__": ensure_text(os.pathsep.join(lib_folders.keys())),
+                "__DECODE_PATH__": ("yes" if win_py2 else ""),
+            },
+        )
+        return replacements
+
+    @staticmethod
+    def _repr_unicode(creator, value):
+        py2 = creator.interpreter.version_info.major == 2
+        if py2:  # on Python 2 we need to encode this into explicit utf-8, py3 supports unicode literals
+            start = 2 if sys.version_info[0] == 3 else 1
+            value = ensure_text(repr(value.encode("utf-8"))[start:-1])
+        return value

Lib/site-packages/virtualenv/activation/python/activate_this.py

@@ -0,0 +1,32 @@
+# -*- coding: utf-8 -*-
+"""Activate virtualenv for current interpreter:
+
+Use exec(open(this_file).read(), {'__file__': this_file}).
+
+This can be used when you must use an existing Python interpreter, not the virtualenv bin/python.
+"""
+import os
+import site
+import sys
+
+try:
+    abs_file = os.path.abspath(__file__)
+except NameError:
+    raise AssertionError("You must use exec(open(this_file).read(), {'__file__': this_file}))")
+
+bin_dir = os.path.dirname(abs_file)
+base = bin_dir[: -len("__BIN_NAME__") - 1]  # strip away the bin part from the __file__, plus the path separator
+
+# prepend bin to PATH (this file is inside the bin directory)
+os.environ["PATH"] = os.pathsep.join([bin_dir] + os.environ.get("PATH", "").split(os.pathsep))
+os.environ["VIRTUAL_ENV"] = base  # virtual env is right above bin directory
+
+# add the virtual environments libraries to the host python import mechanism
+prev_length = len(sys.path)
+for lib in "__LIB_FOLDERS__".split(os.pathsep):
+    path = os.path.realpath(os.path.join(bin_dir, lib))
+    site.addsitedir(path.decode("utf-8") if "__DECODE_PATH__" else path)
+sys.path[:] = sys.path[prev_length:] + sys.path[0:prev_length]
+
+sys.real_prefix = sys.prefix
+sys.prefix = base

Lib/site-packages/virtualenv/activation/via_template.py

@@ -0,0 +1,67 @@
+from __future__ import absolute_import, unicode_literals
+
+import os
+import sys
+from abc import ABCMeta, abstractmethod
+
+from six import add_metaclass
+
+from virtualenv.util.six import ensure_text
+
+from .activator import Activator
+
+if sys.version_info >= (3, 7):
+    from importlib.resources import read_binary
+else:
+    from importlib_resources import read_binary
+
+
+@add_metaclass(ABCMeta)
+class ViaTemplateActivator(Activator):
+    @abstractmethod
+    def templates(self):
+        raise NotImplementedError
+
+    def generate(self, creator):
+        dest_folder = creator.bin_dir
+        replacements = self.replacements(creator, dest_folder)
+        generated = self._generate(replacements, self.templates(), dest_folder, creator)
+        if self.flag_prompt is not None:
+            creator.pyenv_cfg["prompt"] = self.flag_prompt
+        return generated
+
+    def replacements(self, creator, dest_folder):
+        return {
+            "__VIRTUAL_PROMPT__": "" if self.flag_prompt is None else self.flag_prompt,
+            "__VIRTUAL_ENV__": ensure_text(str(creator.dest)),
+            "__VIRTUAL_NAME__": creator.env_name,
+            "__BIN_NAME__": ensure_text(str(creator.bin_dir.relative_to(creator.dest))),
+            "__PATH_SEP__": ensure_text(os.pathsep),
+        }
+
+    def _generate(self, replacements, templates, to_folder, creator):
+        generated = []
+        for template in templates:
+            text = self.instantiate_template(replacements, template, creator)
+            dest = to_folder / self.as_name(template)
+            # use write_bytes to avoid platform specific line normalization (\n -> \r\n)
+            dest.write_bytes(text.encode("utf-8"))
+            generated.append(dest)
+        return generated
+
+    def as_name(self, template):
+        return template.name
+
+    def instantiate_template(self, replacements, template, creator):
+        # read content as binary to avoid platform specific line normalization (\n -> \r\n)
+        binary = read_binary(self.__module__, str(template))
+        text = binary.decode("utf-8", errors="strict")
+        for key, value in replacements.items():
+            value = self._repr_unicode(creator, value)
+            text = text.replace(key, value)
+        return text
+
+    @staticmethod
+    def _repr_unicode(creator, value):
+        # by default we just let it be unicode
+        return value

Lib/site-packages/virtualenv/activation/xonsh/__init__.py

@@ -0,0 +1,14 @@
+from __future__ import absolute_import, unicode_literals
+
+from virtualenv.util.path import Path
+
+from ..via_template import ViaTemplateActivator
+
+
+class XonshActivator(ViaTemplateActivator):
+    def templates(self):
+        yield Path("activate.xsh")
+
+    @classmethod
+    def supports(cls, interpreter):
+        return interpreter.version_info >= (3, 5)

Lib/site-packages/virtualenv/activation/xonsh/activate.xsh

@@ -0,0 +1,46 @@
+"""Xonsh activate script for virtualenv"""
+from xonsh.tools import get_sep as _get_sep
+
+def _deactivate(args):
+    if "pydoc" in aliases:
+        del aliases["pydoc"]
+
+    if ${...}.get("_OLD_VIRTUAL_PATH", ""):
+        $PATH = $_OLD_VIRTUAL_PATH
+        del $_OLD_VIRTUAL_PATH
+
+    if ${...}.get("_OLD_VIRTUAL_PYTHONHOME", ""):
+        $PYTHONHOME = $_OLD_VIRTUAL_PYTHONHOME
+        del $_OLD_VIRTUAL_PYTHONHOME
+
+    if "VIRTUAL_ENV" in ${...}:
+        del $VIRTUAL_ENV
+
+    if "VIRTUAL_ENV_PROMPT" in ${...}:
+        del $VIRTUAL_ENV_PROMPT
+
+    if "nondestructive" not in args:
+        # Self destruct!
+        del aliases["deactivate"]
+
+
+# unset irrelevant variables
+_deactivate(["nondestructive"])
+aliases["deactivate"] = _deactivate
+
+$VIRTUAL_ENV = r"__VIRTUAL_ENV__"
+
+$_OLD_VIRTUAL_PATH = $PATH
+$PATH = $PATH[:]
+$PATH.add($VIRTUAL_ENV + _get_sep() + "__BIN_NAME__", front=True, replace=True)
+
+if ${...}.get("PYTHONHOME", ""):
+    # unset PYTHONHOME if set
+    $_OLD_VIRTUAL_PYTHONHOME = $PYTHONHOME
+    del $PYTHONHOME
+
+$VIRTUAL_ENV_PROMPT = "__VIRTUAL_PROMPT__"
+if not $VIRTUAL_ENV_PROMPT:
+    del $VIRTUAL_ENV_PROMPT
+
+aliases["pydoc"] = ["python", "-m", "pydoc"]