* implement index integrity, skip if not up to date

* small fixes for fetcher (explicitly check perms for dest file)
* packagedb: method call fix

pisi/api.py

@@ -319,11 +319,14 @@ def update_repo(repo):
     ctx.ui.info(_('* Updating repository: %s') % repo)
     index = Index()
     if ctx.repodb.has_repo(repo):
-        index.read_uri(ctx.repodb.get_repo(repo).indexuri.get_uri(), repo)
+        try:
+            index.read_uri(ctx.repodb.get_repo(repo).indexuri.get_uri(), repo)
+            ctx.txn_proc(lambda txn : index.update_db(repo, txn=txn))
+            ctx.ui.info(_('* Package database updated.'))
+        except pisi.file.AlreadyHaveException, e:
+            ctx.ui.info(_('No updates available for repository %s.' % repo))
     else:
         raise Error(_('No repository named %s found.') % repo)
-    ctx.txn_proc(lambda txn : index.update_db(repo, txn=txn))
-    ctx.ui.info(_('\n* Package database updated.'))
 
 def delete_cache():
     util.clean_dir(ctx.config.packages_dir())

pisi/fetcher.py

@@ -79,6 +79,9 @@ class Fetcher:
             self.err(_('Access denied to write to destination directory'))
 
         archive_file = os.path.join(self.filedest, self.url.filename())
+        
+        if os.path.exists(self.filedest) and not os.access(self.filedest, os.W_OK):
+            self.err(_('Access denied to destination file'))
 
         if self.url.is_local_file():
             self.fetchLocalFile(archive_file + '.part')
@@ -162,7 +165,7 @@ class Fetcher:
         else:
             dest = open(archive_file, 'wb')
  
-        uri = self.url.uri
+        uri = self.url.get_uri()
 
         flag = 1
         try:

pisi/index.py

@@ -51,20 +51,8 @@ class Index(XmlFile):
 
     def read_uri(self, filename, repo = None):
         """Read PSPEC file"""
-
-        self.filepath = filename
-        url = URI(filename)
-        if url.is_remote_file():
-            from fetcher import fetch_url
-            assert repo
-            dest = os.path.join(ctx.config.index_dir(), repo)
-            if not os.path.exists(dest):
-                os.makedirs(dest)
-            fetch_url(url, dest, ctx.ui.Progress)
-
-            self.filepath = os.path.join(dest, url.filename())
-
-        self.read(self.filepath)
+        tmpdir = os.path.join(ctx.config.index_dir(), repo)
+        self.read(filename, tmpdir, sha1sum=True)
 
     def index(self, repo_uri, skip_sources=False):
         self.repo_dir = repo_uri

pisi/packagedb.py

@@ -63,15 +63,15 @@ class PackageDB(object):
 
     def get_package(self, name, repo=None, txn = None):
         try:
-            return self.d.get_item(name, repo, txn)
+            return self.d.get_item(name, repo, txn=txn)
         except pisi.itembyrepodb.NotfoundError, e:
             raise Error(_('Package %s not found') % name)
 
     def get_package_repo(self, name, repo=None, txn = None):
-        return self.d.get_item_repo(name, repo, txn)
+        return self.d.get_item_repo(name, repo, txn=txn)
 
-    def which_repo(self, name, repo=None, txn = None):
-        return self.d.which_repo(name, repo, txn)
+    def which_repo(self, name, txn = None):
+        return self.d.which_repo(name, txn=txn)
 
     def get_rev_deps(self, name):
         if self.dr.has_key(name):

pisi/uri.py

@@ -27,7 +27,7 @@ class URI(object):
 
     def __init__(self, uri=None):
         if uri:
-            self.set_uri(uri)
+            self.set_uri(str(uri))
         else:
             self.__scheme = None
             self.__location = None
@@ -47,6 +47,7 @@ class URI(object):
 
     def set_uri(self, uri):
         # (scheme, location, path, params, query, fragment)
+        uri = str(uri)
         u = urlparse(uri, "file")
         self.__scheme = u[0]
         self.__location = u[1]