Created
September 20, 2022 15:15
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amalgamate multiple Python files into a single one
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| # - imports should only be in the format of "import <module> as <alias>", | |
| # if you do not want an alias, do "import stuff as stuff" | |
| # - imports should only be in the top level scope | |
| import os | |
| import re | |
| curr_dir_path = os.path.dirname(__file__) | |
| main_path = os.path.join(curr_dir_path, "main.py") | |
| delimiter = "\n" + "#" * 80 + "\n" | |
| """delimiter before and after included module""" | |
| print(f"amalgamating {main_path}") | |
| with open(main_path, "r") as mainf: | |
| main_text = mainf.read() | |
| included_modules_comment_list = [] | |
| aliases = set(m for m in re.findall(r'import \w+ as (\w+)', main_text)) | |
| amalgamated_modules = {} | |
| def replace(match): | |
| global aliases, included_modules_comment_list | |
| module = match.group(1) | |
| alias = match.group(2) if len(match.groups()) > 1 else module | |
| if module is not None: | |
| try: | |
| with open(os.path.join(curr_dir_path, module + ".py"), "r") as modulef: | |
| if not module in amalgamated_modules: | |
| print(f"including {module, alias}") | |
| included_modules_comment_list += ["# " + module] | |
| return delimiter + f"# inserted module: {module}\n\n" + modulef.read().strip() + delimiter | |
| else: | |
| print(f"skipping {module}: already included") | |
| return f'# skipped module {module}: already included' | |
| except: | |
| pass | |
| print(f"ignoring {module, alias}") | |
| aliases -= {alias} | |
| return f'import {module} as {alias}' | |
| main_text = re.sub(r'import (\w+) as (\w+)', replace, main_text) | |
| for alias in aliases: | |
| main_text = main_text.replace(alias + '.', '') | |
| with open(os.path.join(curr_dir_path, "_build_.py.txt"), "w") as f: | |
| f.write("\n".join(["# amalgamation of:", *included_modules_comment_list, f"# main"]) + "\n\n") | |
| main_text = re.sub(r'#\s*<build-exclude>.*?</build-exclude>', | |
| '# << excluded lines >>', | |
| main_text, flags=re.DOTALL) | |
| f.write(main_text) |
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