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from portage import dep_expand, writemsg
from portage_dep import dep_getkey, dep_getslot, match_from_list
from output import red
import portage_locks
import os, re
class dbapi:
def __init__(self):
pass
def close_caches(self):
pass
def cp_list(self,cp,use_cache=1):
return
def cpv_all(self):
cpv_list = []
for cp in self.cp_all():
cpv_list.extend(self.cp_list(cp))
return cpv_list
def aux_get(self,mycpv,mylist):
"stub code for returning auxiliary db information, such as SLOT, DEPEND, etc."
'input: "sys-apps/foo-1.0",["SLOT","DEPEND","HOMEPAGE"]'
'return: ["0",">=sys-libs/bar-1.0","http://www.foo.com"] or [] if mycpv not found'
raise NotImplementedError
def match(self,origdep,use_cache=1):
mydep = dep_expand(origdep, mydb=self, settings=self.settings)
mykey=dep_getkey(mydep)
mylist = match_from_list(mydep,self.cp_list(mykey,use_cache=use_cache))
myslot = dep_getslot(mydep)
if myslot is not None:
mylist = [cpv for cpv in mylist \
if self.aux_get(cpv, ["SLOT"])[0] == myslot]
return mylist
def match2(self,mydep,mykey,mylist):
writemsg("DEPRECATED: dbapi.match2\n")
match_from_list(mydep,mylist)
def invalidentry(self, mypath):
if re.search("portage_lockfile$",mypath):
if not os.environ.has_key("PORTAGE_MASTER_PID"):
writemsg("Lockfile removed: %s\n" % mypath, 1)
portage_locks.unlockfile((mypath,None,None))
else:
# Nothing we can do about it. We're probably sandboxed.
pass
elif re.search(".*/-MERGING-(.*)",mypath):
if os.path.exists(mypath):
writemsg(red("INCOMPLETE MERGE:")+" "+mypath+"\n", noiselevel=-1)
else:
writemsg("!!! Invalid db entry: %s\n" % mypath, noiselevel=-1)
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