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Update sqlite.py #5299

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20 changes: 14 additions & 6 deletions cve_bin_tool/checkers/sqlite.py
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Original file line number Diff line number Diff line change
Expand Up @@ -46,6 +46,17 @@ def get_version_map():

return version_map

mapdb = VersionSignatureDb("sqlite", get_version_map, 30)
VERSION_MAP = None


def _load_version_map():
global VERSION_MAP
if VERSION_MAP is None:
with mapdb:
VERSION_MAP = mapdb.get_mapping_data()
return VERSION_MAP


class SqliteChecker(Checker):
CONTAINS_PATTERNS = [
Expand All @@ -61,16 +72,13 @@ class SqliteChecker(Checker):
]
FILENAME_PATTERNS = [r"sqlite", r"sqlite3"]

mapdb = VersionSignatureDb("sqlite", get_version_map, 30)
with mapdb:
VERSION_MAP = mapdb.get_mapping_data()

def guess_contains(self, lines):
"""Tries to determine if a file includes sqlite"""
# since the version strings are super unique here, we can guess the version
# at the same time

for mapping in self.VERSION_MAP:

for mapping in _load_version_map():
# Truncate last four characters as "If the source code has been edited
# in any way since it was last checked in, then the last four
# hexadecimal digits of the hash may be modified."
Expand All @@ -90,7 +98,7 @@ def get_versions(self, lines, filename):

version_info = super().get_versions(lines, filename)

for mapping in self.VERSION_MAP:
for mapping in _load_version_map():
# Truncate last four characters as "If the source code has been edited
# in any way since it was last checked in, then the last four
# hexadecimal digits of the hash may be modified."
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