add Pauker Lesson Importer

anki/importing/__init__.py

@@ -8,6 +8,7 @@ from anki.importing.anki2 import Anki2Importer
 from anki.importing.anki1 import Anki1Importer
 from anki.importing.supermemo_xml import SupermemoXmlImporter
 from anki.importing.mnemo import MnemosyneImporter
+from anki.importing.pauker import PaukerImporter
 from anki.lang import _
 
 Importers = (
@@ -16,4 +17,5 @@ Importers = (
     (_("Anki 1.2 Deck (*.anki)"), Anki1Importer),
     (_("Mnemosyne 2.0 Deck (*.db)"), MnemosyneImporter),
     (_("Supermemo XML export (*.xml)"), SupermemoXmlImporter),
+    (_("Pauker 1.8 Lesson (*.pau.gz)"), PaukerImporter),
     )

anki/importing/pauker.py

@@ -0,0 +1,69 @@
+# -*- coding: utf-8 -*-
+# Copyright: Andreas Klauer <Andreas.Klauer@metamorpher.de>
+# License: BSD-3
+
+import gzip, math, random
+import xml.etree.ElementTree as ET
+from anki.importing.noteimp import NoteImporter, ForeignNote, ForeignCard
+from anki.stdmodels import addBasicModel
+
+class PaukerImporter(NoteImporter):
+    '''Import Pauker 1.8 Lesson (*.pau.gz)'''
+
+    def fields(self):
+        '''Pauker is Front/Back'''
+        print "pauker", "fields", self
+        return 2
+
+    def foreignNotes(self):
+        '''Build and return a list of notes.'''
+        print "pauker", "foreignNotes", self
+        notes = []
+
+        try:
+            f = gzip.open(self.file)
+            tree = ET.parse(f)
+            lesson = tree.getroot()
+            assert lesson.tag == "Lesson"
+        finally:
+            f.close()
+
+        index = -4
+        ivlmax = -1
+
+        for batch in lesson.findall('./Batch'):
+            index += 1
+
+            if index >= 0:
+                ivlmin = ivlmax+1
+                ivlmax = int(math.exp(index))
+
+            for card in batch.findall('./Card'):
+                front = card.findtext('./FrontSide/Text')
+                back = card.findtext('./ReverseSide/Text')
+                note = ForeignNote()
+                note.fields = [x.strip().replace('\n','<br>') for x in [front, back]]
+                note.tags.append("Pauker%+d" % (index,))
+                notes.append(note)
+
+                if index == -3:
+                    # new cards
+                    continue
+
+                for tmpl in self.model['tmpls']:
+                    fc = ForeignCard()
+                    if index >= 0:
+                        # due cards
+                        fc.ivl = random.randint(ivlmin,ivlmax)
+                        fc.due = self.col.sched.today+random.randint(ivlmin,ivlmax)
+                        fc.factor = 2500 * fc.ivl / ivlmax
+                        fc.reps = index * fc.ivl / ivlmax
+                    else:
+                        # shortterm cards
+                        fc.ivl = 0
+                        fc.due = self.col.sched.today
+                        fc.factor = random.randint(2000, 2500)
+                        fc.reps = random.randint(0,3)
+                    note.cards[tmpl['ord']] = fc
+
+        return notes