inititial package creation

Signed-off-by: Toshaan Bharvani <toshaan@powerel.org>

SOURCES/rpm-wheels.patch

@@ -0,0 +1,144 @@
+From 0558dbfcd0d89f52aa251481ba41ab4cfa2cb6da Mon Sep 17 00:00:00 2001
+From: Lumir Balhar <lbalhar@redhat.com>
+Date: Thu, 9 Feb 2023 15:13:36 +0100
+Subject: [PATCH] RPM wheels
+
+---
+ src/virtualenv/run/__init__.py                |  5 +++--
+ src/virtualenv/seed/embed/base_embed.py       | 16 +++++++++++++-
+ src/virtualenv/seed/embed/pip_invoke.py       |  1 +
+ .../seed/embed/via_app_data/via_app_data.py   |  1 +
+ src/virtualenv/seed/wheels/embed/__init__.py  |  4 ++++
+ src/virtualenv/util/path/_system_wheels.py    | 22 +++++++++++++++++++
+ 6 files changed, 46 insertions(+), 3 deletions(-)
+ create mode 100644 src/virtualenv/util/path/_system_wheels.py
+
+diff --git a/src/virtualenv/run/__init__.py b/src/virtualenv/run/__init__.py
+index 6d22b71..19d1791 100644
+--- a/src/virtualenv/run/__init__.py
++++ b/src/virtualenv/run/__init__.py
+@@ -87,8 +87,9 @@ def build_parser_only(args=None):
+ 
+ def handle_extra_commands(options):
+     if options.upgrade_embed_wheels:
+-        result = manual_upgrade(options.app_data, options.env)
+-        raise SystemExit(result)
++        # result = manual_upgrade(options.app_data, options.env)
++        logging.warning("virtualenv installed from the RPM package uses wheels from RPM packages as well. Updating them via virtualenv is not possible. The RPM packaged wheels are updated together with other RPM packages of the system.")
++        raise SystemExit(1)
+ 
+ 
+ def load_app_data(args, parser, options):
+diff --git a/src/virtualenv/seed/embed/base_embed.py b/src/virtualenv/seed/embed/base_embed.py
+index f29110b..07649c2 100644
+--- a/src/virtualenv/seed/embed/base_embed.py
++++ b/src/virtualenv/seed/embed/base_embed.py
+@@ -3,8 +3,9 @@ from pathlib import Path
+ 
+ from ..seeder import Seeder
+ from ..wheels import Version
++from virtualenv.util.path._system_wheels import get_system_wheels_paths
+ 
+-PERIODIC_UPDATE_ON_BY_DEFAULT = True
++PERIODIC_UPDATE_ON_BY_DEFAULT = False
+ 
+ 
+ class BaseEmbed(Seeder, metaclass=ABCMeta):
+@@ -27,6 +28,15 @@ class BaseEmbed(Seeder, metaclass=ABCMeta):
+         if not self.distribution_to_versions():
+             self.enabled = False
+ 
++        if "embed" in (self.pip_version, self.setuptools_version, self.wheel_version):
++            raise RuntimeError(
++                "Embedded wheels are not available if virtualenv "
++                "is installed from the RPM package.\nEither install "
++                "virtualenv from PyPI (via pip) or use 'bundle' "
++                "version which uses the system-wide pip, setuptools "
++                "and wheel wheels provided also by RPM packages."
++            )
++
+     @classmethod
+     def distributions(cls):
+         return {
+@@ -105,6 +115,10 @@ class BaseEmbed(Seeder, metaclass=ABCMeta):
+             result += f" {distribution}{ver},"
+         return result[:-1] + ")"
+ 
++    def insert_system_wheels_paths(self, creator):
++        system_wheels_paths = get_system_wheels_paths(creator.interpreter)
++        self.extra_search_dir = list(system_wheels_paths) + self.extra_search_dir
++
+ 
+ __all__ = [
+     "BaseEmbed",
+diff --git a/src/virtualenv/seed/embed/pip_invoke.py b/src/virtualenv/seed/embed/pip_invoke.py
+index 2ca9438..339295f 100644
+--- a/src/virtualenv/seed/embed/pip_invoke.py
++++ b/src/virtualenv/seed/embed/pip_invoke.py
+@@ -15,6 +15,7 @@ class PipInvoke(BaseEmbed):
+     def run(self, creator):
+         if not self.enabled:
+             return
++        self.insert_system_wheels_paths(creator)
+         for_py_version = creator.interpreter.version_release_str
+         with self.get_pip_install_cmd(creator.exe, for_py_version) as cmd:
+             env = pip_wheel_env_run(self.extra_search_dir, self.app_data, self.env)
+diff --git a/src/virtualenv/seed/embed/via_app_data/via_app_data.py b/src/virtualenv/seed/embed/via_app_data/via_app_data.py
+index f31ecf6..d7a0f5a 100644
+--- a/src/virtualenv/seed/embed/via_app_data/via_app_data.py
++++ b/src/virtualenv/seed/embed/via_app_data/via_app_data.py
+@@ -37,6 +37,7 @@ class FromAppData(BaseEmbed):
+     def run(self, creator):
+         if not self.enabled:
+             return
++        self.insert_system_wheels_paths(creator)
+         with self._get_seed_wheels(creator) as name_to_whl:
+             pip_version = name_to_whl["pip"].version_tuple if "pip" in name_to_whl else None
+             installer_class = self.installer_class(pip_version)
+diff --git a/src/virtualenv/seed/wheels/embed/__init__.py b/src/virtualenv/seed/wheels/embed/__init__.py
+index f779e07..db141ae 100644
+--- a/src/virtualenv/seed/wheels/embed/__init__.py
++++ b/src/virtualenv/seed/wheels/embed/__init__.py
+@@ -53,7 +53,11 @@ BUNDLE_SUPPORT = {
+ MAX = "3.12"
+ 
+ 
++# Redefined here because bundled wheels are removed in RPM build
++BUNDLE_SUPPORT = None
++
+ def get_embed_wheel(distribution, for_py_version):
++    return None  # BUNDLE_SUPPORT == None anyway
+     path = BUNDLE_FOLDER / (BUNDLE_SUPPORT.get(for_py_version, {}) or BUNDLE_SUPPORT[MAX]).get(distribution)
+     return Wheel.from_path(path)
+ 
+diff --git a/src/virtualenv/util/path/_system_wheels.py b/src/virtualenv/util/path/_system_wheels.py
+new file mode 100644
+index 0000000..f3fd9b1
+--- /dev/null
++++ b/src/virtualenv/util/path/_system_wheels.py
+@@ -0,0 +1,22 @@
++from pathlib import Path
++from subprocess import check_output, CalledProcessError
++
++
++def get_system_wheels_paths(interpreter):
++    # ensurepip wheels
++    # We need subprocess here to check ensurepip with the Python we are creating
++    # a new virtual environment for
++    executable = interpreter.executable
++    try:
++        ensurepip_path = check_output((executable, "-u", "-c", 'import ensurepip; print(ensurepip.__path__[0])'), universal_newlines=True)
++        ensurepip_path = Path(ensurepip_path.strip()) / "_bundled"
++    except CalledProcessError:
++        pass
++    else:
++        if ensurepip_path.is_dir():
++            yield ensurepip_path
++
++    # Standard wheels path
++    wheels_dir = Path("/usr/share/python-wheels")
++    if wheels_dir.exists():
++        yield wheels_dir
+-- 
+2.39.1
+

SPECS/python-virtualenv.spec

@@ -0,0 +1,54 @@
+%define __python /usr/bin/python2
+
+Name:           python2-virtualenv
+Version:        20.21.0
+Release:        1%{?dist}
+Summary:        Tool to create isolated Python environments
+License:        MIT
+URL:            http://pypi.python.org/pypi/virtualenv
+Source0:        %{pypi_source virtualenv}
+# Add /usr/share/python-wheels to extra_search_dir
+Patch1:         rpm-wheels.patch
+BuildArch:      noarch
+BuildRequires:  python2-devel
+# RPM installed wheels
+BuildRequires:  %{python_wheel_pkg_prefix}-pip-wheel
+BuildRequires:  %{python_wheel_pkg_prefix}-setuptools-wheel
+BuildRequires:  %{python_wheel_pkg_prefix}-wheel-wheel
+
+
+%description
+virtualenv is a tool to create isolated Python environments. virtualenv
+is a successor to workingenv, and an extension of virtual-python. It is
+written by Ian Bicking, and sponsored by the Open Planning Project. It is
+licensed under an MIT-style permissive license.
+
+
+%prep
+%autosetup -p1 -n virtualenv-%{version}
+# Remove the wheels provided by RPM packages
+rm src/virtualenv/seed/wheels/embed/pip-*
+rm src/virtualenv/seed/wheels/embed/setuptools-*
+rm src/virtualenv/seed/wheels/embed/wheel-*
+test ! -f src/virtualenv/seed/embed/wheels/*.whl
+sed -i "s|/usr/share/python-wheels|%{python_wheel_dir}|" src/virtualenv/util/path/_system_wheels.py
+
+%generate_buildrequires
+%pyproject_buildrequires
+
+
+%build
+%pyproject_wheel
+
+
+%install
+%pyproject_install
+%pyproject_save_files virtualenv
+
+
+%files -f %{pyproject_files}
+%doc README.md
+%{_bindir}/virtualenv
+
+
+%changelog