60 lines
1.9 KiB
Python
60 lines
1.9 KiB
Python
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#!/usr/bin/env python3
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"""Extract dependency issue numbers from an issue body.
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Usage:
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echo "$ISSUE_BODY" | python3 lib/parse-deps.py
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python3 lib/parse-deps.py "$ISSUE_BODY"
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python3 lib/parse-deps.py --json < issues.json
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Modes:
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stdin/arg: reads a single issue body, prints one dep number per line
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--json: reads a JSON array of issues from stdin, prints JSON
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dep graph: {"issue_num": [dep1, dep2], ...}
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Matches the same logic as dev-poll.sh get_deps():
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- Sections: ## Dependencies / ## Depends on / ## Blocked by
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- Inline: "depends on #NNN" / "blocked by #NNN" anywhere
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- Ignores: ## Related (safe for sibling cross-references)
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"""
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import json
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import re
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import sys
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def parse_deps(body):
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"""Return sorted list of unique dependency issue numbers from an issue body."""
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deps = set()
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in_section = False
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for line in (body or "").split("\n"):
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if re.match(r"^##?\s*(Depends on|Blocked by|Dependencies)", line, re.IGNORECASE):
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in_section = True
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continue
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if in_section and re.match(r"^##?\s", line):
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in_section = False
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if in_section:
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deps.update(int(m) for m in re.findall(r"#(\d+)", line))
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if re.search(r"(depends on|blocked by)", line, re.IGNORECASE):
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deps.update(int(m) for m in re.findall(r"#(\d+)", line))
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return sorted(deps)
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if __name__ == "__main__":
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if len(sys.argv) > 1 and sys.argv[1] == "--json":
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issues = json.load(sys.stdin)
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graph = {}
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for issue in issues:
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num = issue["number"]
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deps = parse_deps(issue.get("body", ""))
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deps = [d for d in deps if d != num]
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if deps:
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graph[num] = deps
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json.dump(graph, sys.stdout)
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print()
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else:
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if len(sys.argv) > 1:
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body = sys.argv[1]
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else:
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body = sys.stdin.read()
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for dep in parse_deps(body):
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print(dep)
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