48 lines
1.5 KiB
Python
Executable File
48 lines
1.5 KiB
Python
Executable File
#!/usr/bin/env python3
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"""Turn a raw mvn spring-boot:run capture into a clean, reproducible transcript.
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Strips JVM/build noise (sun.misc.Unsafe warnings, JAVA_TOOL_OPTIONS proxy banners) and the
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duplicate un-prefixed echo of each SQL statement that org.hibernate.SQL's show_sql=true prints
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to stdout in addition to the "Hibernate: ..." line the logger emits -- same text twice, so only
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the logger-prefixed copy is kept.
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"""
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import re
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import sys
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DROP_PREFIXES = (
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"WARNING:",
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"Picked up JAVA_TOOL_OPTIONS",
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)
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def clean(lines):
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out = []
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for line in lines:
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stripped = line.rstrip("\n")
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if any(stripped.startswith(p) for p in DROP_PREFIXES):
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continue
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# Drop the bare SQL echo line that show_sql=true prints without the "Hibernate: " prefix
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# -- it is always immediately followed by the same text WITH the prefix.
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out.append(stripped)
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deduped = []
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i = 0
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while i < len(out):
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cur = out[i]
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nxt = out[i + 1] if i + 1 < len(out) else None
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if nxt is not None and nxt == "Hibernate: " + cur:
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i += 1 # skip the bare echo, keep the prefixed one on the next iteration
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continue
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deduped.append(out[i])
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i += 1
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return deduped
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if __name__ == "__main__":
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src, dst = sys.argv[1], sys.argv[2]
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with open(src, encoding="utf-8") as f:
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lines = f.readlines()
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cleaned = clean(lines)
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with open(dst, "w", encoding="utf-8") as f:
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f.write("\n".join(cleaned) + "\n")
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print(f"{src}: {len(lines)} -> {dst}: {len(cleaned)} lines")
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