def get_rpm_header(file_name, ts=None):
"""Read rpm header.
@param file_name: rpm file name (or file object)
@type file_name: str (or file)
@param ts: transaction set instance
@type ts: rpm.TransactionSet
@return: rpm header
@rtype: rpm.hdr
"""
if ts is None:
ts = rpm.TransactionSet()
# no rpm.keyring on rhel5
if hasattr(rpm, "keyring"):
# Set an empty keyring to prevent accessing rpmdb,
# which may cause race-conditions when running in threads.
# NOTE: RPM is *not* tread-safe, but this *usually* works in threads.
ts.setKeyring(rpm.keyring())
ts.setVSFlags(rpm._RPMVSF_NOSIGNATURES|rpm._RPMVSF_NODIGESTS)
if type(file_name) in (str, unicode):
fo = open(file_name, "r")
else:
fo = file_name
hdr = ts.hdrFromFdno(fo.fileno())
if fo is not file_name:
fo.close()
return hdr
def get_rpm_header(file_name, ts=None):
"""Read rpm header.
@param file_name: rpm file name (or file object)
@type file_name: str (or file)
@param ts: transaction set instance
@type ts: rpm.TransactionSet
@return: rpm header
@rtype: rpm.hdr
"""
if ts is None:
ts = rpm.TransactionSet()
# no rpm.keyring on rhel5
if hasattr(rpm, "keyring"):
# Set an empty keyring to prevent accessing rpmdb,
# which may cause race-conditions when running in threads.
# NOTE: RPM is *not* tread-safe, but this *usually* works in threads.
ts.setKeyring(rpm.keyring())
ts.setVSFlags(rpm._RPMVSF_NOSIGNATURES|rpm._RPMVSF_NODIGESTS)
if isinstance(file_name, six.string_types):
fo = open(file_name, "r")
else:
fo = file_name
hdr = ts.hdrFromFdno(fo.fileno())
if fo is not file_name:
fo.close()
return hdr
def _get_header(self):
"""
Examine a RPM package file and return its header
See docs.fedoraproject.org/en-US/Fedora_Draft_Documentation/0.1/html/RPM_Guide/ch16s04.html
"""
ts = rpm.TransactionSet()
ts.setKeyring(rpm.keyring())
ts.setVSFlags(rpm._RPMVSF_NOSIGNATURES | rpm._RPMVSF_NODIGESTS)
with open(self.path, "r") as f:
hdr = ts.hdrFromFdno(f.fileno())
return hdr