* fix: do not fail info command if files.xml is not available

* fix: add missing repo parameter to PGraph (necessary because you
  might want to look at a specific repo, or only installed guys,
  or only repos, etc.)
* fix: look at only graph of installed repo when considering remove op
* fix: catch and translate exception in download of readxml

pisi/api.py

@@ -287,7 +287,11 @@ def info_name(package_name, installed=False):
         metadata.source = None
         #TODO: fetch the files from server if possible (wow, you maniac -- future exa)
         if installed and ctx.installdb.is_installed(package.name):
-            files = ctx.installdb.files(package.name)
+            try:
+                files = ctx.installdb.files(package.name)
+            except pisi.Error, e:
+                ctx.ui.warning(e)
+                files = None
         else:
             files = None
         return metadata, files

pisi/operations.py

@@ -114,7 +114,7 @@ in the respective order to satisfy extra dependencies:
         install_pkg_names(extra_packages)
 
     class PackageDB:
-        def get_package(self, key):
+        def get_package(self, key, repo = None):
             return d_t[str(key)]
     
     packagedb = PackageDB()
@@ -546,7 +546,7 @@ def plan_remove(A):
     # try to construct a pisi graph of packages to
     # install / reinstall
 
-    G_f = pgraph.PGraph(ctx.packagedb)               # construct G_f
+    G_f = pgraph.PGraph(ctx.packagedb, pisi.itembyrepodb.installed)               # construct G_f
 
     # find the (install closure) graph of G_f by package 
     # set A using packagedb

pisi/pgraph.py

@@ -18,22 +18,23 @@ from graph import *
 
 class PGraph(Digraph):
     
-    def __init__(self, packagedb):
+    def __init__(self, packagedb, repo = pisi.itembyrepodb.repos):
         super(PGraph, self).__init__()
         self.packagedb = packagedb
+        self.repo = repo
 
     def add_package(self, pkg):
-        pkg1 = self.packagedb.get_package(pkg)
+        pkg1 = self.packagedb.get_package(pkg, self.repo)
         self.add_vertex(str(pkg), (pkg1.version, pkg1.release))
 
     def add_plain_dep(self, pkg1name, pkg2name):
         pkg1data = None
         if not pkg1name in self.vertices():
-            pkg1 = self.packagedb.get_package(pkg1name)
+            pkg1 = self.packagedb.get_package(pkg1name, self.repo)
             pkg1data = (pkg1.version, pkg1.release)
         pkg2data = None
         if not pkg2name in self.vertices():
-            pkg2 = self.packagedb.get_package(pkg2name)
+            pkg2 = self.packagedb.get_package(pkg2name, self.repo)
             pkg2data = (pkg2.version, pkg2.release) 
         self.add_edge(str(pkg1name), str(pkg2name), ('d', None),
                       pkg1data, pkg2data )
@@ -41,11 +42,11 @@ class PGraph(Digraph):
     def add_dep(self, pkg, depinfo):
         pkg1data = None
         if not pkg in self.vertices():
-            pkg1 = self.packagedb.get_package(pkg)
+            pkg1 = self.packagedb.get_package(pkg, self.repo)
             pkg1data = (pkg1.version, pkg1.release) 
         pkg2data = None
         if not depinfo.package in self.vertices():
-            pkg2 = self.packagedb.get_package(depinfo.package)
+            pkg2 = self.packagedb.get_package(depinfo.package, self.repo)
             pkg2data = (pkg2.version, pkg2.release)
         self.add_edge(str(pkg), str(depinfo.package), ('d', depinfo),
                       pkg1data, pkg2data )
@@ -53,11 +54,11 @@ class PGraph(Digraph):
     def add_rev_dep(self, depinfo, pkg):
         pkg1data = None
         if not pkg in self.vertices():
-            pkg1 = self.packagedb.get_package(depinfo.package)
+            pkg1 = self.packagedb.get_package(depinfo.package, self.repo)
             pkg1data = (pkg1.version, pkg1.release)
         pkg2data = None
         if not depinfo.package in self.vertices():
-            pkg2 = self.packagedb.get_package(pkg)
+            pkg2 = self.packagedb.get_package(pkg, self.repo)
             pkg2data = (pkg2.version, pkg2.release) 
         self.add_edge(str(depinfo.package), str(pkg), ('d', depinfo),
                       pkg1data, pkg2data )
@@ -65,11 +66,11 @@ class PGraph(Digraph):
     def add_conflict(self, pkg, conflinfo):
         pkg1data = None
         if not pkg in self.vertices():
-            pkg1 = self.packagedb.get_package(pkg)
+            pkg1 = self.packagedb.get_package(pkg, self.repo)
             pkg1data = (pkg1.version, pkg1.release) 
         pkg2data = None
         if not pkg in self.vertices():
-            pkg2 = self.packagedb.get_package(conflinfo.package)
+            pkg2 = self.packagedb.get_package(conflinfo.package, self.repo)
             pkg2data = (pkg2.version, pkg2.release)
 
         self.add_biedge(str(pkg), str(conflinfo.package), ('c', conflinfo)

pisi/pxml/xmlfilepiks.py

@@ -57,7 +57,10 @@ class XmlFile(object):
 
     def readxml(self, uri, tmpDir='/tmp', sha1sum=False, compress=None, sign=None):
         uri = File.make_uri(uri)
-        localpath = File.download(uri, tmpDir,sha1sum=sha1sum,compress=compress,sign=sign)
+        try:
+            localpath = File.download(uri, tmpDir,sha1sum=sha1sum,compress=compress,sign=sign)
+        except Exception, e:
+            raise Error(_("Cannot access URI %s") % (uri) )
         try:
             self.doc = iks.parse(localpath)
             return self.doc