def parse_index(self, console=None, update_repo=False):
path = fetch_uri(self.base_uri, self.cache_dir, self.index_name,
console, update_repo)
if path.endswith(".bz2"):
import bz2
data = open(path).read()
data = bz2.decompress(data)
doc = piksemel.parseString(data)
elif path.endswith(".xz"):
try:
import lzma
except ImportError:
print "Install python-pyliblzma package, or try a different index format."
return
data = open(path).read()
data = lzma.decompress(data)
doc = piksemel.parseString(data)
else:
doc = piksemel.parse(path)
for tag in doc.tags('Package'):
p = Package(tag)
self.packages[p.name] = p
self.size += p.size
self.inst_size += p.inst_size
if p.component not in self.components:
self.components[p.component] = []
for name in self.packages:
p = self.packages[name]
for name2 in p.depends:
if self.packages.has_key(name2):
self.packages[name2].revdeps.append(p.name)
else:
raise ExPackageMissing, (p.name, name2)
if p.component in self.components:
self.components[p.component].append(p.name)
else:
self.components[p.component] = []
from pisi.graph import Digraph, CycleException
dep_graph = Digraph()
for name in self.packages:
p = self.packages[name]
for dep in p.depends:
dep_graph.add_edge(name, dep)
try:
dep_graph.dfs()
except CycleException, c:
raise ExPackageCycle, (c.cycle)
def parse_data(self, path):
if path.endswith(".bz2"):
import bz2
data = file(path).read()
data = bz2.decompress(data)
doc = piksemel.parseString(data)
else:
doc = piksemel.parse(path)
for tag in doc.tags('Package'):
p = Package(tag)
self.packages[p.name] = p
self.size += p.size
self.inst_size += p.inst_size
if p.component not in self.components:
self.components[p.component] = []
for name in self.packages:
p = self.packages[name]
for name2 in p.depends:
if self.packages.has_key(name2):
self.packages[name2].revdeps.append(p.name)
else:
raise ExPackageMissing, (p.name, name2)
if p.component in self.components:
self.components[p.component].append(p.name)
else:
self.components[p.component] = []
from pisi.graph import Digraph, CycleException
dep_graph = Digraph()
for name in self.packages:
p = self.packages[name]
for dep in p.depends:
dep_graph.add_edge(name, dep)
try:
dep_graph.dfs()
except CycleException, c:
raise ExPackageCycle, (c.cycle)
