cd9f892d51
To allow importing from outside. import cargo-deps doesn't really work. Signed-off-by: Igor Gnatenko <ignatenkobrain@fedoraproject.org>
96 lines
3.7 KiB
Python
Executable file
96 lines
3.7 KiB
Python
Executable file
#!/usr/bin/python
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from __future__ import print_function
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from __future__ import unicode_literals
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import argparse
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import json
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import subprocess
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import sys
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import semantic_version as semver
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REQ_TO_CON = {">": "<=",
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"<": ">=",
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">=": "<",
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"<=": ">"}
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def get_metadata(path):
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# --no-deps is to disable recursive scanning of deps
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metadata = subprocess.check_output(["cargo", "metadata", "--no-deps",
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"--manifest-path={}".format(path)])
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return json.loads(metadata)["packages"][0]
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def parse_req(s):
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if "*" in s:
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raise NotImplementedError("https://github.com/rbarrois/python-semanticversion/issues/51")
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spec = semver.Spec(s.replace(" ", ""))
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specs = spec.specs
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if len(specs) == 1:
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req = specs[0]
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if req.kind in (req.KIND_CARET, req.KIND_TILDE):
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ver = req.spec
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lower = semver.Version.coerce(str(ver))
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if req.kind == req.KIND_CARET:
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if ver.major == 0:
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if ver.minor is not None:
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if ver.patch is None or ver.minor != 0:
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upper = ver.next_minor()
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else:
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upper = ver.next_patch()
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else:
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upper = ver.next_major()
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else:
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upper = ver.next_major()
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elif req.kind == req.KIND_TILDE:
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if ver.minor is None:
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upper = ver.next_major()
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else:
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upper = ver.next_minor()
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else:
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assert False
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return (semver.Spec(">={}".format(lower)).specs[0],
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semver.Spec("<{}".format(upper)).specs[0])
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else:
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return (req, None)
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elif len(specs) == 2:
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return (specs[0], specs[1])
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else:
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# it's something uber-complicated
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raise NotImplementedError("More than two ranges are unsupported, probably something is wrong with metadata")
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assert False
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def print_dep(name, spec, kind="=", feature=None):
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f_part = "/{}".format(feature) if feature is not None else ""
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print("crate({}{}) {} {}".format(name, f_part, kind.replace("==", "="), spec))
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if __name__ == "__main__":
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parser = argparse.ArgumentParser()
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group = parser.add_mutually_exclusive_group(required=True)
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group.add_argument("-P", "--provides", action="store_true", help="Print Provides")
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group.add_argument("-R", "--requires", action="store_true", help="Print Requires")
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group.add_argument("-C", "--conflicts", action="store_true", help="Print Conflicts")
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parser.add_argument("file", nargs="*", help="Path(s) to Cargo.toml")
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args = parser.parse_args()
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files = args.file or sys.stdin.readlines()
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for f in files:
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f = f.rstrip()
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md = get_metadata(f)
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if args.provides:
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print_dep(md["name"], md["version"])
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for feature in md["features"]:
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print_dep(md["name"], md["version"], feature=feature)
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if args.requires or args.conflicts:
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for dep in md["dependencies"]:
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if dep["kind"] is not None:
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# kind: build -> build dependencies
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# kind: dev -> test dependencies
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continue
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req, con = parse_req(dep["req"])
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assert req is not None
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for feature in dep["features"] or [None]:
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if args.requires:
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print_dep(dep["name"], req.spec, req.kind, feature=feature)
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if args.conflicts and con is not None:
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print_dep(dep["name"], con.spec, REQ_TO_CON[con.kind], feature=feature)
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