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find-blob.py
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find-blob.py
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#!/usr/bin/env python
import logging
import os
import sys
from swh.model.cli import identify_object
from swh.model.hashutil import hash_to_bytes, hash_to_hex
from swh.provenance import get_provenance
# TODO: take conninfo as command line arguments.
conninfo = {
"cls": "ps",
"db": {"host": "/var/run/postgresql", "port": "5436", "dbname": "lower1m"},
}
if __name__ == "__main__":
# Set minimum logging level to INFO.
logging.getLogger().setLevel(logging.INFO)
if len(sys.argv) != 2:
print("usage: find-blob <filename>")
exit(-1)
# Get provenance object for both databases and query its lists of content.
provenance = get_provenance(**conninfo)
obj, swhid = identify_object("content", True, True, sys.argv[1])
sha1 = hash_to_bytes(swhid.split(":")[-1])
print(f"Identifier of object {obj}: {swhid}")
first = provenance.content_find_first(sha1)
if first is not None:
print("===============================================================================")
print(f"First occurrence of {obj}:")
print(
" content: {blob}, revision: {rev}, date: {date}, location: {path}".format(
blob=hash_to_hex(first[0]),
rev=hash_to_hex(first[1]),
date=first[2],
path=os.fsdecode(first[3]),
)
)
print("===============================================================================")
print(f"All occurrences of {obj}:")
for occur in provenance.content_find_all(sha1):
print(
" content: {blob}, revision: {rev}, date: {date}, location: {path}".format(
blob=hash_to_hex(occur[0]),
rev=hash_to_hex(occur[1]),
date=occur[2],
path=os.fsdecode(occur[3]),
)
)
else:
logging.warning("Requested content not available in the provenance database.")

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text/x-python
Expires
Wed, Jun 4, 7:13 PM (1 w, 2 d ago)
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blob
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Raw Data
Storage Handle
3269579

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