def _get_pkgs_details_from_apt_cache_show(self, pkg_dicts):
# Convert package names to name:arch=version format
queries = ["%(name)s:%(architecture)s=%(version)s" % p
for p in pkg_dicts]
# Call "apt-cache show" in batches
exec_gen = execute_command_batch(self._session, ['apt-cache', 'show'],
queries)
# Parse and accumulate "apt-cache show" results
results = (parse_apt_cache_show_pkgs_output(out)
for (out, _, _) in exec_gen)
# Combine sequence of lists
results = itertools.chain.from_iterable(results)
# Turn apt-cache show results into a lookup table by package name
results = self.create_lookup_from_apt_cache_show(results)
# Loop through each package and find the respective apt-cache results
for p in pkg_dicts:
r = results.get("%(name)s:%(architecture)s" % p)
if not r:
lgr.warning("Was unable to run apt-cache show for %s" %
p["name"])
continue
# Update the dictionary with found results (if present)
for f in ("source_name", "source_version", "size", "md5",
"sha1", "sha256"):
if f in r:
p[f] = r[f]
def _get_pkgs_arch_and_version(self, pkg_dicts):
# Convert package names to name:arch format
# Use "dpkg -s pkg" to get the installed version and arch
# Note: "architecture" is in the dict, but may be null
queries = [(p["name"] if not p["architecture"]
else "%(name)s:%(architecture)s" % p)
for p in pkg_dicts]
# Call "dpkg -s" in batches
exec_gen = execute_command_batch(self._session, ['dpkg', '-s'],
queries)
# Parse and accumulate "dpkg -s" results
# dpkg -s uses the same output as apt-cache show pkg
results = (parse_apt_cache_show_pkgs_output(out)
for (out, _, _) in exec_gen)
# Combine sequence of lists
results = itertools.chain.from_iterable(results)
# Turn dpkg -s results into a lookup table by package name
results = self.create_lookup_from_apt_cache_show(results)
# Loop through each package and find the respective dpkg results
for p in pkg_dicts:
r = results.get(p["name"] if not p["architecture"]
else "%(name)s:%(architecture)s" % p)
if not r:
lgr.warning("Was unable to run dpkg -s for %s" %
p["name"])
continue
# Update the dictionary with found results
p["architecture"] = r["architecture"]
p["version"] = r["version"]