mirror of https://github.com/zulip/zulip.git
69 lines
1.9 KiB
Python
Executable File
69 lines
1.9 KiB
Python
Executable File
#!/usr/bin/env python3
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import argparse
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import hashlib
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import os
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import subprocess
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import sys
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from typing import Iterable, List
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def expand_reqs_helper(fpath: str) -> List[str]:
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result = [] # type: List[str]
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with open(fpath) as f:
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for line in f:
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if line.strip().startswith(("#", "--hash")):
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continue
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dep = line.split(" \\", 1)[0].strip()
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if dep:
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result.append(dep)
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return result
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def expand_reqs(fpath: str) -> List[str]:
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"""
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Returns a sorted list of unique dependencies specified by the requirements file `fpath`.
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Removes comments from the output and recursively visits files specified inside `fpath`.
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`fpath` can be either an absolute path or a relative path.
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"""
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absfpath = os.path.abspath(fpath)
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output = expand_reqs_helper(absfpath)
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return sorted(set(output))
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def python_version() -> str:
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"""
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Returns the Python version as string 'Python major.minor.patchlevel'
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"""
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return subprocess.check_output(["/usr/bin/python3", "-VV"], text=True)
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def hash_deps(deps: Iterable[str]) -> str:
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deps_str = "\n".join(deps) + "\n" + python_version()
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return hashlib.sha1(deps_str.encode()).hexdigest()
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def main() -> int:
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description = (
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"Finds the SHA1 hash of list of dependencies in a requirements file"
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" after recursively visiting all files specified in it."
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)
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parser = argparse.ArgumentParser(description=description)
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parser.add_argument("fpath", metavar="FILE", help="Path to requirements file")
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parser.add_argument(
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"--print", dest="print_reqs", action="store_true", help="Print all dependencies"
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)
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args = parser.parse_args()
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deps = expand_reqs(args.fpath)
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hash = hash_deps(deps)
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print(hash)
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if args.print_reqs:
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for dep in deps:
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print(dep)
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return 0
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if __name__ == "__main__":
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sys.exit(main())
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