prepare addition of MSVC Redist DLLs

pyproject.toml

@@ -1,6 +1,6 @@
 [project]
 name = "pycage"
-version = "0.2.5"
+version = "0.2.6dev1"
 description = "tool to handle standalone Python installations from the CLI"
 authors = [
     {name = "Florian Förster", email = "f.foerster@d-opt.com"},
@@ -78,7 +78,7 @@ directory = "reports/coverage"
 
 
 [tool.bumpversion]
-current_version = "0.2.5"
+current_version = "0.2.6dev1"
 parse = """(?x)
     (?P<major>0|[1-9]\\d*)\\.
     (?P<minor>0|[1-9]\\d*)\\.

src/pycage/constants.py

@@ -0,0 +1,10 @@
+from pathlib import Path
+from typing import Final
+
+LIB_ROOT_FOLDER: Final[Path] = Path(__file__)
+if not LIB_ROOT_FOLDER.exists():
+    raise FileNotFoundError(f"Lib root folder not found under: >{LIB_ROOT_FOLDER}<")
+
+MSVC_FOLDER: Final[Path] = LIB_ROOT_FOLDER / "msvc-redist"
+if not MSVC_FOLDER.exists():
+    raise FileNotFoundError(f"Folder for MSVC Redist files not found under: >{MSVC_FOLDER}<")

src/pycage/venv.py

@@ -1,12 +1,14 @@
 from __future__ import annotations
 
+import shutil
 import subprocess
 import sys
 from pathlib import Path
 
 import click
 
-from pycage.helpers import get_interpreter
+from pycage.constants import MSVC_FOLDER
+from pycage.helpers import get_interpreter, path_verify_directory, path_verify_existence
 
 
 @click.group(help="manage virtual environment with downloaded standalone images")
@@ -159,8 +161,37 @@ def remove(
     subprocess.run(cmd)
 
 
+@click.command(
+    help="add MSVC Redistributable runtime dependencies to the root path of the environment"
+)
+def add_msvc_redist() -> None:
+    try:
+        pth_intp = get_interpreter()
+    except RuntimeError:
+        click.echo("Base interpreter path could not be found", err=True)
+        return
+
+    target_path = pth_intp.parent
+    try:
+        path_verify_directory(target_path)
+    except ValueError:
+        click.echo(f"Target path >{target_path}< does not seem to be a directory", err=True)
+        return
+    try:
+        path_verify_existence(target_path)
+    except FileNotFoundError:
+        click.echo(f"Target path >{target_path}< does not seem to exist", err=True)
+        return
+
+    dll_files = MSVC_FOLDER.glob("**/*.dll")
+
+    for dll_src in dll_files:
+        shutil.copy(dll_src, target_path)
+
+
 venv.add_command(create)
 venv.add_command(add)
 venv.add_command(upgrade_pip)
 venv.add_command(remove)
 venv.add_command(upgrade_seeders)
+venv.add_command(add_msvc_redist)