weasyprint support - in progress

diff --git a/catalogue/migrations/0018_auto__add_field_lesson_weasy_pdf.py b/catalogue/migrations/0018_auto__add_field_lesson_weasy_pdf.py
new file mode 100644 (file)
index 0000000..440b908
--- /dev/null
+++ b/catalogue/migrations/0018_auto__add_field_lesson_weasy_pdf.py
@@ -0,0 +1,102 @@
+# -*- coding: utf-8 -*-
+from south.utils import datetime_utils as datetime
+from south.db import db
+from south.v2 import SchemaMigration
+from django.db import models
+
+
+class Migration(SchemaMigration):
+
+    def forwards(self, orm):
+        # Adding field 'Lesson.weasy_pdf'
+        db.add_column(u'catalogue_lesson', 'weasy_pdf',
+                      self.gf('django.db.models.fields.files.FileField')(max_length=255, null=True, blank=True),
+                      keep_default=False)
+
+
+    def backwards(self, orm):
+        # Deleting field 'Lesson.weasy_pdf'
+        db.delete_column(u'catalogue_lesson', 'weasy_pdf')
+
+
+    models = {
+        u'catalogue.attachment': {
+            'Meta': {'ordering': "['slug', 'ext']", 'unique_together': "(['lesson', 'slug', 'ext'],)", 'object_name': 'Attachment'},
+            'ext': ('django.db.models.fields.CharField', [], {'max_length': '15'}),
+            'file': ('django.db.models.fields.files.FileField', [], {'max_length': '255'}),
+            u'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'lesson': ('django.db.models.fields.related.ForeignKey', [], {'to': u"orm['catalogue.Lesson']"}),
+            'slug': ('django.db.models.fields.CharField', [], {'max_length': '255'})
+        },
+        u'catalogue.lesson': {
+            'Meta': {'ordering': "['section', 'level', 'order']", 'object_name': 'Lesson'},
+            'curriculum_courses': ('django.db.models.fields.related.ManyToManyField', [], {'to': u"orm['curriculum.CurriculumCourse']", 'symmetrical': 'False', 'blank': 'True'}),
+            'dc': ('jsonfield.fields.JSONField', [], {'default': "'{}'"}),
+            'description': ('django.db.models.fields.TextField', [], {'null': 'True', 'blank': 'True'}),
+            'html_file': ('django.db.models.fields.files.FileField', [], {'max_length': '255', 'null': 'True', 'blank': 'True'}),
+            u'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'level': ('django.db.models.fields.related.ForeignKey', [], {'to': u"orm['curriculum.Level']"}),
+            'order': ('django.db.models.fields.IntegerField', [], {'db_index': 'True'}),
+            'package': ('django.db.models.fields.files.FileField', [], {'max_length': '255', 'null': 'True', 'blank': 'True'}),
+            'pdf': ('django.db.models.fields.files.FileField', [], {'max_length': '255', 'null': 'True', 'blank': 'True'}),
+            'section': ('django.db.models.fields.related.ForeignKey', [], {'to': u"orm['catalogue.Section']", 'null': 'True', 'blank': 'True'}),
+            'slug': ('django.db.models.fields.SlugField', [], {'unique': 'True', 'max_length': '255'}),
+            'student_package': ('django.db.models.fields.files.FileField', [], {'max_length': '255', 'null': 'True', 'blank': 'True'}),
+            'student_pdf': ('django.db.models.fields.files.FileField', [], {'max_length': '255', 'null': 'True', 'blank': 'True'}),
+            'title': ('django.db.models.fields.CharField', [], {'max_length': '255'}),
+            'type': ('django.db.models.fields.CharField', [], {'max_length': '15', 'db_index': 'True'}),
+            'weasy_pdf': ('django.db.models.fields.files.FileField', [], {'max_length': '255', 'null': 'True', 'blank': 'True'}),
+            'xml_file': ('django.db.models.fields.files.FileField', [], {'max_length': '255', 'null': 'True', 'blank': 'True'})
+        },
+        u'catalogue.lessonstub': {
+            'Meta': {'ordering': "['section', 'level', 'order']", 'object_name': 'LessonStub'},
+            u'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'level': ('django.db.models.fields.related.ForeignKey', [], {'to': u"orm['curriculum.Level']"}),
+            'order': ('django.db.models.fields.IntegerField', [], {'db_index': 'True'}),
+            'section': ('django.db.models.fields.related.ForeignKey', [], {'to': u"orm['catalogue.Section']", 'null': 'True', 'blank': 'True'}),
+            'title': ('django.db.models.fields.CharField', [], {'max_length': '255'}),
+            'type': ('django.db.models.fields.CharField', [], {'max_length': '15', 'db_index': 'True'})
+        },
+        u'catalogue.part': {
+            'Meta': {'object_name': 'Part'},
+            u'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'lesson': ('django.db.models.fields.related.ForeignKey', [], {'to': u"orm['catalogue.Lesson']"}),
+            'pdf': ('django.db.models.fields.files.FileField', [], {'max_length': '100', 'null': 'True', 'blank': 'True'}),
+            'student_pdf': ('django.db.models.fields.files.FileField', [], {'max_length': '100', 'null': 'True', 'blank': 'True'})
+        },
+        u'catalogue.section': {
+            'Meta': {'ordering': "['order']", 'object_name': 'Section'},
+            u'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'image': ('django.db.models.fields.files.ImageField', [], {'max_length': '100', 'null': 'True', 'blank': 'True'}),
+            'order': ('django.db.models.fields.IntegerField', [], {}),
+            'pic': ('django.db.models.fields.files.ImageField', [], {'max_length': '100', 'null': 'True', 'blank': 'True'}),
+            'pic_attribution': ('django.db.models.fields.CharField', [], {'max_length': '255', 'null': 'True', 'blank': 'True'}),
+            'pic_src': ('django.db.models.fields.URLField', [], {'max_length': '200', 'null': 'True', 'blank': 'True'}),
+            'slug': ('django.db.models.fields.SlugField', [], {'unique': 'True', 'max_length': '255'}),
+            'summary': ('django.db.models.fields.TextField', [], {'null': 'True', 'blank': 'True'}),
+            'title': ('django.db.models.fields.CharField', [], {'unique': 'True', 'max_length': '255'}),
+            'xml_file': ('django.db.models.fields.files.FileField', [], {'max_length': '255', 'null': 'True', 'blank': 'True'})
+        },
+        u'curriculum.curriculumcourse': {
+            'Meta': {'ordering': "['slug']", 'object_name': 'CurriculumCourse'},
+            'accusative': ('django.db.models.fields.CharField', [], {'max_length': '255'}),
+            u'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'slug': ('django.db.models.fields.CharField', [], {'max_length': '255', 'db_index': 'True'}),
+            'title': ('django.db.models.fields.CharField', [], {'max_length': '255'})
+        },
+        u'curriculum.level': {
+            'Meta': {'ordering': "['order']", 'object_name': 'Level'},
+            'group_en': ('django.db.models.fields.CharField', [], {'default': "''", 'max_length': '255'}),
+            'group_pl': ('django.db.models.fields.CharField', [], {'default': "''", 'max_length': '255'}),
+            u'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'meta_name': ('django.db.models.fields.CharField', [], {'unique': 'True', 'max_length': '255'}),
+            'name_en': ('django.db.models.fields.CharField', [], {'default': "''", 'max_length': '255'}),
+            'name_pl': ('django.db.models.fields.CharField', [], {'default': "''", 'max_length': '255'}),
+            'order': ('django.db.models.fields.IntegerField', [], {}),
+            'package': ('django.db.models.fields.files.FileField', [], {'max_length': '255', 'null': 'True', 'blank': 'True'}),
+            'slug': ('django.db.models.fields.CharField', [], {'unique': 'True', 'max_length': '255'}),
+            'student_package': ('django.db.models.fields.files.FileField', [], {'max_length': '255', 'null': 'True', 'blank': 'True'})
+        }
+    }
+
+    complete_apps = ['catalogue']
\ No newline at end of file

diff --git a/catalogue/models.py b/catalogue/models.py
index 8ecf7ac..c5ed66c 100644 (file)
--- a/catalogue/models.py
+++ b/catalogue/models.py
@@ -1,4 +1,5 @@
 # -*- 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
@@ -109,6 +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']
@@ -235,6 +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:

diff --git a/catalogue/publish.py b/catalogue/publish.py
index bc2e37a..1fc4ade 100755 (executable)
--- a/catalogue/publish.py
+++ b/catalogue/publish.py
@@ -4,6 +4,7 @@ from django.core.urlresolvers import reverse
 from librarian import DocProvider, IOFile
 from librarian.pyhtml import EduModuleFormat
 from librarian.pypdf import EduModulePDFFormat
+from librarian.weasy import EduModuleWeasyFormat
 from .models import Lesson, Attachment
 from fnpdjango.utils.text.slughifi import slughifi
 
@@ -119,6 +120,54 @@ class PdfFormat(EduModulePDFFormat):
             return src_img
 
 
+class WeasyFormat(EduModuleWeasyFormat):
+    IMAGE_FORMATS = ('PNG', 'JPEG', 'GIF')
+    DEFAULT_IMAGE_WIDTH = 1600
+
+    def find_attachment(self, slug, fmt):
+        lesson_slug = self.wldoc.book_info.url.slug
+        try:
+            # If already saved, use it.
+            att = Attachment.objects.get(lesson__slug=lesson_slug,
+                                         slug=slug, ext=fmt)
+        except Attachment.DoesNotExist, e:
+            # If attached to source IOFile, save now.
+            att_name = "%s.%s" % (slug, fmt)
+            try:
+                att_file = self.wldoc.source.attachments[att_name]
+            except KeyError:
+                print u"ATTACHMENT MISSING:", att_name
+                raise self.MaterialNotFound()
+            else:
+                lesson = Lesson.objects.get(slug=lesson_slug)
+                att = lesson.attachment_set.create(slug=slug, ext=fmt)
+                att.file.save(att_name, File(att_file.get_file()))
+                return att
+        else:
+            return att
+
+    def url_for_material(self, slug, fmt):
+        return self.find_attachment(slug, fmt).file.url
+
+    def image(self, slug, fmt, width=None):
+        try:
+            src_img = self.find_attachment(slug, fmt).file
+        except self.MaterialNotFound:
+            return None
+        img = get_image(src_img.path, width, self.DEFAULT_IMAGE_WIDTH, self.IMAGE_FORMATS)
+        return img or src_img
+
+    def url_for_image(self, slug, fmt, image=None, **kwargs):
+        img = image or self.image(slug, fmt, **kwargs)
+        if img:
+            return img.url
+        else:
+            return ''
+
+    def text_to_anchor(self, text):
+        return slughifi(text)
+
+
 class OrmDocProvider(DocProvider):
     def by_slug(self, slug):
         """Should return a file-like object with a WL document XML."""

diff --git a/lib/librarian b/lib/librarian
index 935dcf2..e4ffa9f 160000 (submodule)
--- a/lib/librarian
+++ b/lib/librarian
@@ -1 +1 @@
-Subproject commit 935dcf2282ee3c08f776e221bc71f9a0744cb85e
+Subproject commit e4ffa9f5172b88a5a49ed832634105dd65b9727f