weasyprint support - in progress

[edumed.git] / catalogue / models.py

diff --git a/catalogue/models.py b/catalogue/models.py
index bae04ed..c5ed66c 100644 (file)
--- a/catalogue/models.py
+++ b/catalogue/models.py
@@ -1,9 +1,11 @@
 # -*- coding: utf-8
+from django.conf import settings
 from django.core.files import File
 from django.core.urlresolvers import reverse
 from django.db import models
 from jsonfield import JSONField
 from fnpdjango.storage import BofhFileSystemStorage
+
 from curriculum.models import Level, Curriculum, CurriculumCourse
 import logging
 
@@ -108,6 +110,9 @@ class Lesson(models.Model):
     student_pdf = models.FileField(
         upload_to="catalogue/lesson/student_pdf",
         null=True, blank=True, max_length=255, storage=bofh_storage)
+    weasy_pdf = models.FileField(
+        upload_to="catalogue/lesson/weasy",
+        null=True, blank=True, max_length=255, storage=bofh_storage)
 
     class Meta:
         ordering = ['section', 'level', 'order']
@@ -120,7 +125,7 @@ class Lesson(models.Model):
         return 'catalogue_lesson', [self.slug]
 
     @classmethod
-    def publish(cls, infile, ignore_incomplete=False):
+    def publish(cls, infile, ignore_incomplete=False, repackage_level=False):
         from librarian.parser import WLDocument
         from django.core.files.base import ContentFile
         wldoc = WLDocument(infile)
@@ -149,8 +154,23 @@ class Lesson(models.Model):
         if lesson.type != 'project':
             lesson.build_pdf(student=True)
             lesson.build_package(student=True)
+        if repackage_level:
+            lesson.level.build_packages()
         return lesson
 
+    def republish(self, repackage_level=True, attachments=None):
+        from librarian import IOFile
+        import os.path
+        from django.conf import settings
+        if attachments is None:
+            attachments = {}
+            for attachment in self.attachment_set.all():
+                full_name = os.path.join(settings.MEDIA_ROOT, attachment.file.name)
+                f = IOFile.from_filename(full_name)
+                attachments['%s.%s' % (attachment.slug, attachment.ext)] = f
+        infile = IOFile.from_filename(self.xml_file.path, attachments=attachments)
+        Lesson.publish(infile, repackage_level=repackage_level)
+
     def populate_dc(self):
         from librarian.parser import WLDocument
         wldoc = WLDocument.from_file(self.xml_file.path)
@@ -219,6 +239,12 @@ class Lesson(models.Model):
             pdf = PdfFormat(wldoc, teacher=True).build()
             self.pdf.save("%s.pdf" % self.slug, File(open(pdf.get_filename())))
 
+    def build_weasy_pdf(self):
+        from .publish import WeasyFormat
+        wldoc = self.wldocument()
+        pdf = WeasyFormat(wldoc, media_root=settings.MEDIA_ROOT).build()
+        self.weasy_pdf.save("%s.pdf" % self.slug, File(open(pdf.get_filename())))
+
     def add_to_zip(self, zipf, student=False, prefix=''):
         pdf = self.student_pdf if student else self.pdf
         if pdf:
@@ -273,14 +299,14 @@ class Lesson(models.Model):
             return None
 
     def requires_internet(self):
-        return 'internet' in self.dc.get('requires', [])
+        return any(requirement in self.dc.get('requires', []) for requirement in ('internet', 'Internet'))
 
 
 class Attachment(models.Model):
     slug = models.CharField(max_length=255)
     ext = models.CharField(max_length=15)
     lesson = models.ForeignKey(Lesson)
-    file = models.FileField(upload_to="catalogue/attachment", storage=bofh_storage)
+    file = models.FileField(upload_to="catalogue/attachment", storage=bofh_storage, max_length=255)
 
     class Meta:
         ordering = ['slug', 'ext']