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Use a dict for dep checking to speed things up

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jkeating@localhost.localdomain 2006-10-16 01:11:08 -04:00 committed by Jesse Keating
parent a05f22a073
commit dba79b9c0f
1 changed files with 13 additions and 11 deletions
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24
gather/gather.py
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@ -58,32 +58,34 @@ class Gather(yum.YumBase):
Returns a list of package objects""" Returns a list of package objects"""
unprocessed_pkgs = [] # list of packages yet to depsolve unprocessed_pkgs = {} # list of packages yet to depsolve ## Use dicts for speed
final_pkgobjs = [] # The final list of package objects final_pkgobjs = {} # The final list of package objects
for pkg in self.pkglist: # cycle through our package list and get repo matches for pkg in self.pkglist: # cycle through our package list and get repo matches
unprocessed_pkgs.extend(self.pkgSack.searchNevra(name=pkg)) matches = self.pkgSack.searchNevra(name=pkg)
for match in matches:
unprocessed_pkgs[match] = None
if not self.opts.quiet: if not self.opts.quiet:
for pkg in unprocessed_pkgs: for pkg in unprocessed_pkgs.keys():
self.logger.info('Found %s.%s' % (pkg.name, pkg.arch)) self.logger.info('Found %s.%s' % (pkg.name, pkg.arch))
if len(unprocessed_pkgs) == 0: if len(unprocessed_pkgs) == 0:
raise yum.Errors.MiscError, 'No packages found to download.' raise yum.Errors.MiscError, 'No packages found to download.'
while len(unprocessed_pkgs) > 0: # Our fun loop while len(unprocessed_pkgs) > 0: # Our fun loop
for pkg in unprocessed_pkgs: for pkg in unprocessed_pkgs.keys():
if not pkg in final_pkgobjs: if not final_pkgobjs.has_key(pkg):
final_pkgobjs.append(pkg) # Add the pkg to our final list final_pkgobjs[pkg] = None # Add the pkg to our final list
deplist = self.getPackageDeps(pkg) # Get the deps of our package deplist = self.getPackageDeps(pkg) # Get the deps of our package
for dep in deplist: # Cycle through deps, if we don't already have it, add it. for dep in deplist: # Cycle through deps, if we don't already have it, add it.
if not dep in unprocessed_pkgs and not dep in final_pkgobjs: if not unprocessed_pkgs.has_key(dep) and not final_pkgobjs.has_key(dep):
unprocessed_pkgs.append(dep) unprocessed_pkgs[dep] = None
unprocessed_pkgs.remove(pkg) # Clear the package out of our todo list. del unprocessed_pkgs[pkg] # Clear the package out of our todo list.
self.polist = final_pkgobjs self.polist = final_pkgobjs.keys()
def downloadPackages(self): def downloadPackages(self):
"""Cycle through the list of package objects and """Cycle through the list of package objects and