[pitivi] Formatter: Add optional project argument to _parse()

[Edward Hervey <edwardrv src gnome org>]

commit 1e72a50e2fa21178b16767570e6c22b43b888a5e
Author: Edward Hervey <bilboed bilboed com>
Date:   Thu May 14 12:27:20 2009 +0200

    Formatter: Add optional project argument to _parse()
---
 pitivi/formatters/base.py     |   10 ++++++++--
 pitivi/formatters/etree.py    |    2 +-
 pitivi/formatters/playlist.py |    2 +-
 3 files changed, 10 insertions(+), 4 deletions(-)

diff --git a/pitivi/formatters/base.py b/pitivi/formatters/base.py
index 4e78b61..e035882 100644
--- a/pitivi/formatters/base.py
+++ b/pitivi/formatters/base.py
@@ -106,7 +106,7 @@ class Formatter(Signallable, Loggable):
 
         # parse the format (subclasses)
         # FIXME : maybe have a convenience method for opening a location
-        self._parse(location)
+        self._parse(location, project)
 
         if not project:
             project = self.newProject()
@@ -227,12 +227,18 @@ class Formatter(Signallable, Loggable):
         """
         raise NotImplementedError
 
-    def _parse(self, location):
+    def _parse(self, location, project=None):
         """
         Open and parse the given location.
 
+        If provided, implementation can fill in some global L{Project} properties.
+
         To be implemented by subclasses.
 
+        @arg location: The location to open/parse
+        @type location: C{URI}
+        @type project: L{Project}
+
         If any error occurs during this step, subclasses should raise the
         FormatterParseError exception.
         """
diff --git a/pitivi/formatters/etree.py b/pitivi/formatters/etree.py
index bb52d24..9af67e5 100644
--- a/pitivi/formatters/etree.py
+++ b/pitivi/formatters/etree.py
@@ -460,7 +460,7 @@ class ElementTreeFormatter(Formatter):
         f.write(tostring(root))
         f.close()
 
-    def _parse(self, location):
+    def _parse(self, location, project=None):
         self.debug("location:%s", location)
         # open the given location
         self._context.rootelement = parse(location.split('://', 1)[1])
diff --git a/pitivi/formatters/playlist.py b/pitivi/formatters/playlist.py
index 5711420..ed7d8c0 100644
--- a/pitivi/formatters/playlist.py
+++ b/pitivi/formatters/playlist.py
@@ -41,7 +41,7 @@ class PlaylistFormatter(LoadOnlyFormatter):
             return 'file://' + ln.strip()
         return 'file://' + os.path.join(self._basedir, ln.strip())
 
-    def _parse(self, location):
+    def _parse(self, location, project=None):
         path = location.split('file://', 1)[1]
         self._basedir = os.path.dirname(path)
         res = []