38 lines
992 B
Python
38 lines
992 B
Python
import json
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import sys
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# pipe `cargo metadata --format-version=1` into this
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priority_queue = []
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packages = json.load(sys.stdin)["packages"]
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def sort_graph(unsorted):
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sorted = []
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while unsorted:
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deadlock = True
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for node, edges in list(unsorted.items()):
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for edge in edges:
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if edge in unsorted:
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break
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else:
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del unsorted[node]
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sorted.append((node, edges))
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deadlock = False
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if deadlock:
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raise Exception("deadlock")
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return sorted
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packages_dict = {
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package["name"]: [
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dep["name"] for dep in package["dependencies"]
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if dep["kind"] is None
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]
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for package in packages if package["source"] is None
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}
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# iter_packages("keyfork")
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priority_queue = sort_graph(packages_dict.copy())
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for key, _ in priority_queue:
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version = next(p["version"] for p in packages if p["name"] == key)
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print(" ".join([key, version]))
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