From d9766370d8eee5c067756af3c06a4b6ab6583d0e Mon Sep 17 00:00:00 2001
From: Radek Czajka <radoslaw.czajka@nowoczesnapolska.org.pl>
Date: Fri, 21 Jun 2013 13:30:47 +0200
Subject: [PATCH] censor student files more

---
 librarian/pypdf.py    | 27 +++++++++++++++++++--------
 librarian/xmlutils.py |  5 ++++-
 2 files changed, 23 insertions(+), 9 deletions(-)

diff --git a/librarian/pypdf.py b/librarian/pypdf.py
index b261eb6..edd1f6d 100644
--- a/librarian/pypdf.py
+++ b/librarian/pypdf.py
@@ -66,8 +66,8 @@ def mark_alien_characters(text):
 
 
 class EduModule(Xmill):
-    def __init__(self, options=None):
-        super(EduModule, self).__init__(options)
+    def __init__(self, options=None, state=None):
+        super(EduModule, self).__init__(options, state)
         self.activity_counter = 0
         self.exercise_counter = 0
 
@@ -174,9 +174,6 @@ class EduModule(Xmill):
     handle_naglowek_listy = \
     handle_naglowek_osoba = \
     handle_naglowek_podrozdzial = \
-    handle_naglowek_podrozdzial = \
-    handle_naglowek_rozdzial = \
-    handle_naglowek_rozdzial = \
     handle_naglowek_scena = \
     handle_nazwa_utworu = \
     handle_nota = \
@@ -197,6 +194,20 @@ class EduModule(Xmill):
     handle_dywiz = \
     handle_texcommand
 
+    def handle_naglowek_rozdzial(self, element):
+        if not self.options['teacher']:
+            print element.text
+            if element.text.startswith((u'Wiedza', u'Zadania', u'Słowniczek')):
+                print 'not mute'
+                self.state['mute'] = False
+            else:
+                print 'mute'
+                self.state['mute'] = True
+                return None
+        return self.handle_texcommand(element)
+    handle_naglowek_rozdzial.unmuter = True
+
+
     def handle_uwaga(self, _e):
         return None
     def handle_extra(self, _e):
@@ -218,7 +229,7 @@ class EduModule(Xmill):
             'activity_counter': self.activity_counter,
             'sub_gen': True,
         }
-        submill = EduModule(self.options)
+        submill = EduModule(self.options, self.state)
 
         if element.xpath('opis'):
             opis = submill.generate(element.xpath('opis')[0])
@@ -311,7 +322,7 @@ class EduModule(Xmill):
         if not typ in exercise_handlers:
             return '(no handler)'
         self.options = {'exercise_counter': self.exercise_counter}
-        handler = exercise_handlers[typ](self.options)
+        handler = exercise_handlers[typ](self.options, self.state)
         return handler.generate(element)
 
     # XXX this is copied from pyhtml.py, except for return and
@@ -328,7 +339,7 @@ class EduModule(Xmill):
             if defloc:
                 definiens = defloc[0].getnext()
                 if definiens.tag == 'definiens':
-                    subgen = EduModule(self.options)
+                    subgen = EduModule(self.options, self.state)
                     definiens_s = subgen.generate(definiens)
 
         return u'<cmd name="textbf"><parm>', u"</parm></cmd>: " + definiens_s
diff --git a/librarian/xmlutils.py b/librarian/xmlutils.py
index 9768623..bbcc884 100644
--- a/librarian/xmlutils.py
+++ b/librarian/xmlutils.py
@@ -12,8 +12,9 @@ class Xmill(object):
     Used instead of XSLT which is difficult and cumbersome.
 
     """
-    def __init__(self, options=None):
+    def __init__(self, options=None, state=None):
         self._options = []
+        self.state = state or {}
         if options:
             self._options.append(options)
         self.text_filters = []
@@ -103,6 +104,7 @@ class Xmill(object):
         if isinstance(element, etree._Comment): return None
         
         handler = self._handle_for_element(element)
+        if self.state.get('mute') and not getattr(handler, 'unmuter', False): return None
         # How many scopes
         try:
             options_scopes = len(self._options)
@@ -127,6 +129,7 @@ class Xmill(object):
         finally:
             # clean up option scopes if necessary
             self._options = self._options[0:options_scopes]
+            
         return out
 
 
-- 
2.20.1