Changeset 7740 for main/waeup.sirp/trunk/src/waeup

Timestamp:

1 Mar 2012, 09:23:16 (13 years ago)

Author:

uli

Message:

Add course exporter.

File:

• main/waeup.sirp/trunk/src/waeup/sirp/university/export.py (modified) (1 diff)

main/waeup.sirp/trunk/src/waeup/sirp/university/export.py

@@ -118 +118 @@
                 self.write_item(department, writer)
         return self.close_outfile(filepath, outfile)
+
+
+class CourseExporter(FacultyExporter, grok.GlobalUtility):
+    """Exporter for courses.
+    """
+    grok.implements(ICSVExporter)
+    grok.name('courses')
+
+    #: Fieldnames considered by this exporter
+    fields = ('code', 'faculty', 'department', 'title', 'credits',
+              'passmark', 'semester')
+
+    def mangle_value(self, value, name, context=None):
+        """Hook for mangling values in derived classes
+        """
+        if name == 'faculty':
+            try:
+                value = context.__parent__.__parent__.__parent__.code
+            except AttributeError:
+                value = None
+        elif name == 'department':
+            value = getattr(
+                getattr(context, '__parent__', None),
+                'code', None)
+        return super(CourseExporter, self).mangle_value(
+            value, name, context)
+
+    def export_all(self, site, filepath=None):
+        """Export faculties in facultycontainer into filepath as CSV data.
+
+        If `filepath` is ``None``, a raw string with CSV data is returned.
+        """
+        writer, outfile = self.get_csv_writer(filepath)
+        faculties = site.get('faculties', {})
+        for faculty in faculties.values():
+            for department in faculty.values():
+                for course in department.courses.values():
+                    self.write_item(course, writer)
+        return self.close_outfile(filepath, outfile)