tfind_restricted_dependencies.py - electrum - Electrum Bitcoin wallet
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       tfind_restricted_dependencies.py (1373B)
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            1 #!/usr/bin/env python3
            2 import sys
            3 
            4 try:
            5     import requests
            6 except ImportError as e:
            7     sys.exit(f"Error: {str(e)}. Try 'sudo python3 -m pip install <module-name>'")
            8 
            9 
           10 def check_restriction(p, r):
           11     # See: https://www.python.org/dev/peps/pep-0496/
           12     # Hopefully we don't need to parse the whole microlanguage
           13     if "extra" in r and "[" not in p:
           14         return False
           15     for marker in ["os_name", "platform_release", "sys_platform", "platform_system"]:
           16         if marker in r:
           17             return True
           18 
           19 
           20 for p in sys.stdin.read().split():
           21     p = p.strip()
           22     if not p:
           23         continue
           24     assert "==" in p, "This script expects a list of packages with pinned version, e.g. package==1.2.3, not {}".format(p)
           25     p, v = p.rsplit("==", 1)
           26     try:
           27         data = requests.get("https://pypi.org/pypi/{}/{}/json".format(p, v)).json()["info"]
           28     except ValueError:
           29         raise Exception("Package could not be found: {}=={}".format(p, v))
           30     try:
           31         for r in data["requires_dist"]:
           32             if ";" not in r:
           33                 continue
           34             d, restricted = r.split(";", 1)
           35             if check_restriction(d, restricted):
           36                 print(d, sep=" ")
           37                 print("Installing {} from {} although it is only needed for {}".format(d, p, restricted), file=sys.stderr)
           38     except TypeError:
           39         # Has no dependencies at all
           40         continue
           41