init

.gitignore

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+.idea

main.py

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+#! /usr/bin/env python3
+
+import sys
+
+import argparse
+import pydantic
+
+
+class Options(pydantic.BaseModel):
+    config_path: str = pydantic.Field(alias='config')
+
+
+def main(argv):
+    default_options = Options(**{
+        'config': './config.yml'
+    })
+
+    parser = argparse.ArgumentParser(description='Some awesome project')
+    parser.add_argument('-c', '--config', type=str, default=default_options.config_path, help='Path to config file')
+    args = parser.parse_args(argv[1:])
+
+    options = Options(**vars(args))
+
+    print(options.config_path)
+
+    return 0
+
+
+if __name__ == '__main__':
+    sys.exit(main(sys.argv))

requirements.txt

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+pydantic~=1.6.1
+argparse~=1.4.0