def _get_pkgs_install_date(self, pkg_dicts):
# Convert package names to dpkg list filenames
queries = [self._pkg_name_to_dpkg_list_file(p["name"])
for p in pkg_dicts]
# Call stat in batches
exec_gen = execute_command_batch(
self._session, ['stat', '-c', '%n: %Y'], queries,
cmd_err_filter('No such file or directory'))
# Parse and accumulate stat results in a dict
results = {}
for (out, _, exc) in exec_gen:
if exc:
out = exc.stdout # One file not found, so continue
# Parse the output and store by filename
for outlines in out.splitlines():
(fname, ftime) = outlines.split(": ")
results[fname] = str(
pytz.utc.localize(
datetime.utcfromtimestamp(float(ftime))))
# Now lookup the packages in the results
for p in pkg_dicts:
fname = self._pkg_name_to_dpkg_list_file(p["name"])
if fname in results:
p["install_date"] = results[fname]
def _get_packagefields_for_files(self, files):
# Call dpkg query in batches
exec_gen = execute_command_batch(
self._session, ['dpkg-query', '-S'], files,
cmd_err_filter('no path found matching pattern'))
# Parse and accumulate stat results in a dict
file_to_package_dict = {}
for (out, _, exc) in exec_gen:
if exc:
out = exc.stdout # One file not found, so continue
# Now go through the output and assign packages to files
for outline in out.splitlines():
# Parse package name (architecture) and path
# TODO: Handle query of /bin/sh better
outdict = self._parse_dpkgquery_line(outline)
if not outdict:
lgr.debug("Skipping line %s", outline)
continue
# Pull the found path from the dictionary
found_name = outdict.pop('path')
if not found_name:
raise ValueError(
"Record %s got no path defined... skipping"
% repr(outdict)
)
# Associate the file to the package name (and architecture)
pkg = outdict
lgr.debug("Identified file %r to belong to package %s",
found_name, pkg)
file_to_package_dict[found_name] = pkg
return file_to_package_dict