[devscripts] install_deps: Add script and migrate to it

Authored by: bashonly

devscripts/install_deps.py

@@ -0,0 +1,66 @@
+#!/usr/bin/env python3
+
+# Allow execution from anywhere
+import os
+import sys
+
+sys.path.insert(0, os.path.dirname(os.path.dirname(os.path.abspath(__file__))))
+
+import argparse
+import re
+import subprocess
+
+from devscripts.tomlparse import parse_toml
+from devscripts.utils import read_file
+
+
+def parse_args():
+    parser = argparse.ArgumentParser(description='Install dependencies for yt-dlp')
+    parser.add_argument(
+        'input', nargs='?', metavar='TOMLFILE', default='pyproject.toml', help='Input file (default: %(default)s)')
+    parser.add_argument(
+        '-e', '--exclude', metavar='REQUIREMENT', action='append', help='Exclude a required dependency')
+    parser.add_argument(
+        '-i', '--include', metavar='GROUP', action='append', help='Include an optional dependency group')
+    parser.add_argument(
+        '-o', '--only-optional', action='store_true', help='Only install optional dependencies')
+    parser.add_argument(
+        '-p', '--print', action='store_true', help='Only print a requirements.txt to stdout')
+    parser.add_argument(
+        '-u', '--user', action='store_true', help='Install with pip as --user')
+    return parser.parse_args()
+
+
+def main():
+    args = parse_args()
+    toml_data = parse_toml(read_file(args.input))
+    deps = toml_data['project']['dependencies']
+    targets = deps.copy() if not args.only_optional else []
+
+    for exclude in args.exclude or []:
+        for dep in deps:
+            simplified_dep = re.match(r'[\w-]+', dep)[0]
+            if dep in targets and (exclude.lower() == simplified_dep.lower() or exclude == dep):
+                targets.remove(dep)
+
+    optional_deps = toml_data['project']['optional-dependencies']
+    for include in args.include or []:
+        group = optional_deps.get(include)
+        if group:
+            targets.extend(group)
+
+    if args.print:
+        for target in targets:
+            print(target)
+        return
+
+    pip_args = [sys.executable, '-m', 'pip', 'install', '-U']
+    if args.user:
+        pip_args.append('--user')
+    pip_args.extend(targets)
+
+    return subprocess.call(pip_args)
+
+
+if __name__ == '__main__':
+    sys.exit(main())