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r"""RPM Module
This module enables you to manipulate rpms and the rpm database.
The rpm base module provides the main starting point for
accessing RPM from Python. For most usage, call
the TransactionSet method to get a transaction set (rpmts).
For example:
import rpm
ts = rpm.TransactionSet()
The transaction set will open the RPM database as needed, so
in most cases, you do not need to explicitly open the
database. The transaction set is the workhorse of RPM.
You can open another RPM database, such as one that holds
all packages for a given Linux distribution, to provide
packages used to solve dependencies. To do this, use
the following code:
rpm.addMacro('_dbpath', '/path/to/alternate/database')
solvets = rpm.TransactionSet()
solvets.openDB()
rpm.delMacro('_dbpath')
# Open default database
ts = rpm.TransactionSet()
This code gives you access to two RPM databases through
two transaction sets (rpmts): ts is a transaction set
associated with the default RPM database and solvets
is a transaction set tied to an alternate database, which
is very useful for resolving dependencies.
"""
import warnings
from @PYTHON_MODULENAME@._rpm import *
from @PYTHON_MODULENAME@.transaction import *
import @PYTHON_MODULENAME@._rpm as _rpm
_RPMVSF_NODIGESTS = _rpm._RPMVSF_NODIGESTS
_RPMVSF_NOHEADER = _rpm._RPMVSF_NOHEADER
_RPMVSF_NOPAYLOAD = _rpm._RPMVSF_NOPAYLOAD
_RPMVSF_NOSIGNATURES = _rpm._RPMVSF_NOSIGNATURES
__version__ = _rpm.__version__
__version_info__ = tuple(__version__.split('.'))
# backwards compatibility + give the same class both ways
ts = TransactionSet
def headerLoad(*args, **kwds):
"""DEPRECATED! Use rpm.hdr() instead."""
warnings.warn("Use rpm.hdr() instead.", DeprecationWarning, stacklevel=2)
return hdr(*args, **kwds)
def _doHeaderListFromFD(rpm_fd, retrofit):
hlist = []
while 1:
try:
h = hdr(rpm_fd)
if retrofit:
h.convert(HEADERCONV_RETROFIT_V3)
hlist.append(h)
except _rpm.error:
break
return hlist
def readHeaderListFromFD(file_desc, retrofit=True):
if not isinstance(file_desc, fd):
file_desc = fd(file_desc)
return _doHeaderListFromFD(file_desc, retrofit)
def readHeaderListFromFile(path, retrofit=True):
f = fd(path)
hlist = _doHeaderListFromFD(f, retrofit)
f.close()
return hlist
def readHeaderFromFD(file_desc):
"""Return (header, pos_before_hdr)"""
if not isinstance(file_desc, fd):
file_desc = fd(file_desc)
try:
offset = file_desc.tell()
h = hdr(file_desc)
except (_rpm.error, IOError):
offset = None
h = None
return (h, offset)
def signalsCaught(siglist):
"""Returns list of signals that were caught."""
caught = []
for sig in siglist:
if signalCaught(sig):
caught.append(sig)
return caught
def dsSingle(TagN, N, EVR="", Flags=RPMSENSE_ANY):
"""
Creates a single entry dependency set (ds)
dsSingle(RPMTAG_CONFLICTNAME, "rpm") corresponds to "Conflicts: rpm"
"""
return ds((N, Flags, EVR), TagN)
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