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fix: Handle failed purl2cpe download at first run #4895

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merged 1 commit into from
Mar 4, 2025
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fix: Handle failed purl2cpe download at first run #4895

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11 changes: 9 additions & 2 deletions cve_bin_tool/cvedb.py
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Original file line number Diff line number Diff line change
Expand Up @@ -441,14 +441,21 @@ def init_database(self) -> None:
def populate_purl2cpe(self):
"""Transfers data from PURL2CPE database to CVE database."""

purl2cpe_conn = sqlite3.connect(self.cachedir / "purl2cpe/purl2cpe.db")
purl2cpe_dbpath = self.cachedir / "purl2cpe/purl2cpe.db"

# check if downloaded DB exists; if not, we should avoid operating on an empty DB
if not purl2cpe_dbpath.is_file():
self.LOGGER.error("PURL2CPE downloaded data not found, skipping!")
return

purl2cpe_conn = sqlite3.connect(purl2cpe_dbpath)
purl2cpe_cursor = purl2cpe_conn.cursor()

cve_conn = sqlite3.connect(self.dbpath)
cve_cursor = cve_conn.cursor()

# we are occasionally seeing an error where the cache doesn't have
# purl2cpe and thus we get an error, so attempt to initalize here
# purl2cpe and thus we get an error, so attempt to initialize here
cve_cursor.execute(self.TABLE_SCHEMAS["purl2cpe"])
cve_cursor.execute(self.INDEXES["purl"])

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