39 lines
1.2 KiB
Python
Executable File
39 lines
1.2 KiB
Python
Executable File
#!/usr/bin/env python3
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import sys
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import requests
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def check_restriction(p, r):
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# See: https://www.python.org/dev/peps/pep-0496/
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# Hopefully we don't need to parse the whole microlanguage
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if "extra" in r and "[" not in p:
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return False
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for marker in ["os_name", "platform_release", "sys_platform", "platform_system"]:
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if marker in r:
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return True
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for p in sys.stdin.read().split():
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p = p.strip()
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if not p:
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continue
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assert "==" in p, "This script expects a list of packages with pinned version, e.g. package==1.2.3, not {}".format(p)
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p, v = p.rsplit("==", 1)
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try:
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data = requests.get("https://pypi.org/pypi/{}/{}/json".format(p, v)).json()["info"]
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except ValueError:
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raise Exception("Package could not be found: {}=={}".format(p, v))
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try:
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for r in data["requires_dist"]:
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if ";" not in r:
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continue
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d, restricted = r.split(";", 1)
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if check_restriction(d, restricted):
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print(d, sep=" ")
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print("Installing {} from {} although it is only needed for {}".format(d, p, restricted), file=sys.stderr)
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except TypeError:
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# Has no dependencies at all
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continue
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