Update default template

Author: gurashish1singh

.gitignore

@@ -2,6 +2,7 @@
 __pycache__/
 *.py[cod]
 *$py.class
+.ruff_cache/
 
 # Distribution / packaging
 .Python

.pre-commit-config.yaml

@@ -5,7 +5,7 @@
     "project_name": "Boilerplate Template",
     "github_repo_name": "{{ cookiecutter.project_name.lower().replace(' ', '-') }}",
     "project_slug": "{{ cookiecutter.project_name.lower().replace(' ', '_').replace('-', '_') }}",
-    "project_short_description": "Minimal python cookiecutter template with Poetry as the dependency manager and Black, Isort, Flake8, Flake8-bugbear as the linters.",
+    "project_short_description": "Minimal python cookiecutter template with pip as the package manager and Ruff as the linting tool.",
     "version": "1.0.0",
-    "pytest": ["y", "n"]
+    "pytest": ["n", "y"]
 }

cookiecutter.json

@@ -1,13 +1,27 @@
-#!/usr/bin/env python
 from __future__ import annotations
 
+import os
+import pathlib
 import shlex
 import subprocess
 import sys
+import venv
 from pathlib import Path
 
 ERROR_MSG = "Error occured while running command"
 PRETTY_LINES = "*" * 80
+PROJECT_NAME = "{{ cookiecutter.project_slug }}"
+# TODO: Can allow user to pass it in through cookiecutter.json
+VENV_NAME = ".venv"
+VIRTUAL_ENV = "VIRTUAL_ENV"
+
+
+# Setting up environment
+SUBPROCESS_PARAMS = {
+    "stdout": subprocess.PIPE,
+    "stderr": subprocess.PIPE,
+    "check": True,
+}
 
 
 def main() -> int:
@@ -19,7 +33,12 @@ def main() -> int:
 
     if return_code_one == 0:
         return_code_two = setup_environment()
-    return 0 or return_code_one or return_code_two
+
+    if return_code_two == 0:
+        return_code_three = _rename_pyproject_toml_file()
+        print(f"New project {PROJECT_NAME!r} is setup.")
+
+    return 0 or return_code_one or return_code_two or return_code_three
 
 
 def initialize_git() -> int:
@@ -30,14 +49,14 @@ def initialize_git() -> int:
         ),
         "init_git": (
             shlex.split("git init"),
-            "Initializing an empty git repository locally. You will have to create a repo "
+            "Initializing an empty git repository locally. You will have to create a repository "
             "on remote.\n",
         ),
     }
     for cmds, message in COMMANDS_AND_MESSAGE.values():
         print(message)
         try:
-            subprocess.run(cmds, check=True)
+            subprocess.run(cmds, **SUBPROCESS_PARAMS)
         except subprocess.CalledProcessError as e:
             print(ERROR_MSG, e)
             return e.returncode
@@ -46,26 +65,87 @@ def initialize_git() -> int:
 
 
 def setup_environment() -> int:
+    return_code = 0
+    try:
+        # Always create a new environment in the project dir
+        python_venv_path = _create_new_environment()
+        system_type, python_executable_path, python_activate_script_path = _get_python_paths(venv_path=python_venv_path)
+        _activate_environment(system_type, python_activate_script_path)
+    except Exception:
+        return_code = -1
+    return_code = _install_requirements(python_executable_path)
+    return 0 or return_code
 
-    COMMANDS_AND_MESSAGE = {
-        "install_poetry": (
-            shlex.split("poetry install"),
-            f"\n{PRETTY_LINES}\nInstalling poetry virtual environment",
-        ),
-        "install_pre_commit": (
-            shlex.split(
-                "poetry run pre-commit install --hook-type pre-commit --hook-type pre-push"
-            ),
-            f"\n{PRETTY_LINES}\nInstalling pre-commit hooks",
-        ),
-    }
-    for cmds, message in COMMANDS_AND_MESSAGE.values():
-        print(message)
-        try:
-            subprocess.run(cmds, check=True)
-        except subprocess.CalledProcessError as e:
-            print(ERROR_MSG, e)
-            return e.returncode
+
+def _create_new_environment() -> str:
+    parent_dir = pathlib.Path(os.getcwd()).parent.resolve()
+    project_name = PROJECT_NAME.strip()
+    python_venv_path = str(parent_dir / project_name / VENV_NAME)
+
+    print(PRETTY_LINES)
+    print(f"Attempting to create a new virtual env at {python_venv_path}")
+    try:
+        venv.create(env_dir=python_venv_path, with_pip=True)
+    except Exception:
+        print("An unexpected error has occured")
+        raise
+
+    print(f"Successfully created virtualenv at: {python_venv_path!r}")
+    return python_venv_path
+
+
+def _get_python_paths(venv_path: str) -> tuple[str, str, str]:
+    sys_type = sys.platform
+    if sys_type == "win32":
+        python_executable_path = pathlib.Path(venv_path, "Scripts", "python.exe")
+        activate_script_path = pathlib.Path(venv_path, "Scripts", "activate")
+    elif sys_type in ("darwin", "linux", "linux2"):
+        python_executable_path = pathlib.Path(venv_path, "bin", "python")
+        activate_script_path = pathlib.Path(venv_path, "bin", "activate")
+    else:
+        raise OSError(f"Unsupported platform: {sys_type!r}")
+    return sys_type, str(python_executable_path), str(activate_script_path)
+
+
+def _activate_environment(system_type: str, activate_script_path: str) -> None:
+    if system_type == "win32":
+        subprocess.call(["cmd.exe", "c", activate_script_path])
+    elif system_type in ("darwin", "linux", "linux2"):
+        subprocess.call(f"source {activate_script_path}", shell=True)
+
+    print("Successfully activated virtualenv.")
+    print(f"\n{PRETTY_LINES}")
+
+
+def _install_requirements(python_executable_path: str) -> int:
+    print("Installing all dependencies from the requirements.txt file.\n")
+    try:
+        subprocess.run(
+            [python_executable_path, "-m", "pip", "install", "-r", "requirements.txt"],
+            **SUBPROCESS_PARAMS,
+        )
+        if "{{ cookiecutter.project_slug }}":
+            subprocess.run(
+                [python_executable_path, "-m", "pip", "install", "-r", "dev-requirements.txt"],
+                **SUBPROCESS_PARAMS,
+            )
+    except subprocess.CalledProcessError as e:
+        print(ERROR_MSG, e)
+        return e.returncode
+
+    print(PRETTY_LINES)
+    return 0
+
+
+def _rename_pyproject_toml_file() -> int:
+    try:
+        os.rename(
+            "template-pyproject.toml",
+            "pyproject.toml",
+        )
+    except subprocess.CalledProcessError as e:
+        print(ERROR_MSG, e)
+        return e.returncode
 
     return 0