From bbf8847cbb02286358213552a6e4dff3f156ef90 Mon Sep 17 00:00:00 2001
From: Étienne Loks <etienne.loks@iggdrasil.net>
Date: Wed, 25 Oct 2017 13:29:40 +0200
Subject: Switch from pisa to weasyprint

---
 ishtar_common/static/media/style_basic.css         | 35 +++++++++++++++++--
 .../templates/ishtar/sheet_organization_pdf.html   |  4 ---
 .../templates/ishtar/sheet_person_pdf.html         |  4 ---
 ishtar_common/views.py                             | 39 ++++++++++++----------
 4 files changed, 53 insertions(+), 29 deletions(-)

(limited to 'ishtar_common')

diff --git a/ishtar_common/static/media/style_basic.css b/ishtar_common/static/media/style_basic.css
index 1d92928dc..d0f5bbe4a 100644
--- a/ishtar_common/static/media/style_basic.css
+++ b/ishtar_common/static/media/style_basic.css
@@ -1,7 +1,8 @@
 @page {
   size: a4 portrait;
-  margin: 2.5cm 1cm 2.5cm 1cm;
+  margin: 2cm 1cm 2.5cm 1cm;
   background-image: url("images/ishtar-bg.jpg");
+  background-repeat: no-repeat;
   @frame footer {
     -pdf-frame-content: pdffooter;
     bottom: 1cm;
@@ -16,6 +17,9 @@
     margin-right: 1cm;
     height: 1.5cm;
   }
+  @bottom-center {
+      content: counter(page) "/" counter(pages);
+  }
 }
 
 label{
@@ -36,6 +40,13 @@ caption, h3{
     font-size:1.5em;
 }
 
+a img {
+    display: block;
+    margin-left: auto;
+    margin-right: auto;
+    padding:0.5em;
+}
+
 th{
     text-align:center;
     border-bottom:2px solid #922;
@@ -72,10 +83,21 @@ td{
     display:none;
 }
 
+caption, hr, .tool-left, .tool-right, .display_details, .display_details_inline{
+    display: None;
+    color: transparent;
+    background-color: transparent;
+    border-color: transparent;
+}
+
 p{
     margin:0.2em;
 }
 
+td{
+    background-color: #ddd;
+}
+
 #pdffooter, #pdfheader{
     text-align:center;
 }
@@ -84,8 +106,15 @@ p{
     font-weight:bold;
     width:100%;
     border-bottom:1px solid #922;
+    position: fixed;
+    top: -0.5cm;
 }
 
-.display_details, .display_details_inline{
-    display: none;
+.window-refs{
+    text-align:center;
+    padding:0;
+    margin:0;
+    font-size: 0.9em;
+    width:100%;
+    display:block;
 }
diff --git a/ishtar_common/templates/ishtar/sheet_organization_pdf.html b/ishtar_common/templates/ishtar/sheet_organization_pdf.html
index 887c7ccb2..2276aa4d1 100644
--- a/ishtar_common/templates/ishtar/sheet_organization_pdf.html
+++ b/ishtar_common/templates/ishtar/sheet_organization_pdf.html
@@ -1,6 +1,5 @@
 {% extends "ishtar/sheet_organization.html" %}
 {% block header %}
-<link rel="stylesheet" href="{{STATIC_URL}}/media/style_basic.css?ver={{VERSION}}" />
 {% endblock %}
 {% block main_head %}
 {{ block.super }}
@@ -10,9 +9,6 @@ Ishtar &ndash; {{APP_NAME}} &ndash; {{item}}
 {% endblock %}
 {%block head_sheet%}{%endblock%}
 {%block main_foot%}
-<div id="pdffooter">
-&ndash; <pdf:pagenumber/> &ndash;
-</div>
 </body>
 </html>
 {%endblock%}
diff --git a/ishtar_common/templates/ishtar/sheet_person_pdf.html b/ishtar_common/templates/ishtar/sheet_person_pdf.html
index 199892d2f..9dd9e4c50 100644
--- a/ishtar_common/templates/ishtar/sheet_person_pdf.html
+++ b/ishtar_common/templates/ishtar/sheet_person_pdf.html
@@ -1,6 +1,5 @@
 {% extends "ishtar/sheet_person.html" %}
 {% block header %}
-<link rel="stylesheet" href="{{STATIC_URL}}/media/style_basic.css?ver={{VERSION}}" />
 {% endblock %}
 {% block main_head %}
 {{ block.super }}
@@ -10,9 +9,6 @@ Ishtar &ndash; {{APP_NAME}} &ndash; {{item}}
 {% endblock %}
 {%block head_sheet%}{%endblock%}
 {%block main_foot%}
-<div id="pdffooter">
-&ndash; <pdf:pagenumber/> &ndash;
-</div>
 </body>
 </html>
 {%endblock%}
diff --git a/ishtar_common/views.py b/ishtar_common/views.py
index b8350c62a..8d475aff5 100644
--- a/ishtar_common/views.py
+++ b/ishtar_common/views.py
@@ -1,6 +1,6 @@
 #!/usr/bin/env python
 # -*- coding: utf-8 -*-
-# Copyright (C) 2010-2016  Étienne Loks  <etienne.loks_AT_peacefrogsDOTnet>
+# Copyright (C) 2010-2017  Étienne Loks  <etienne.loks_AT_peacefrogsDOTnet>
 
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU Affero General Public License as
@@ -21,13 +21,7 @@ from tidylib import tidy_document as tidy
 
 from copy import copy, deepcopy
 import csv
-import cStringIO as StringIO
 import datetime
-
-import reportlab
-reportlab.Version = "2.2"  # stupid hack for an old library...
-import ho.pisa as pisa
-
 import json
 import logging
 from markdown import markdown
@@ -35,6 +29,8 @@ import optparse
 import re
 from tempfile import NamedTemporaryFile
 import unicodedata
+from weasyprint import HTML, CSS
+from weasyprint.fonts import FontConfiguration
 
 from extra_views import ModelFormSetView
 
@@ -42,6 +38,7 @@ from django.conf import settings
 from django.contrib.auth import logout
 from django.contrib.auth.decorators import login_required
 from django.contrib.postgres.search import SearchQuery
+from django.contrib.staticfiles.templatetags.staticfiles import static
 from django.core.exceptions import ObjectDoesNotExist
 from django.core.urlresolvers import reverse, NoReverseMatch
 from django.db.models import Q, ImageField
@@ -1333,19 +1330,25 @@ def show_item(model, name, extra_dct=None):
         elif doc_type == 'pdf':
             tpl = loader.get_template('ishtar/sheet_%s_pdf.html' % name)
             context_instance['output'] = 'PDF'
-            content = tpl.render(context_instance, request)
-            result = StringIO.StringIO()
-            html = content.encode('utf-8')
-            html = html.replace("<table", "<pdf:nextpage/><table repeat='1'")
-            pdf = pisa.pisaDocument(StringIO.StringIO(html), result,
-                                    encoding='utf-8')
-            response = HttpResponse(result.getvalue(),
-                                    content_type='application/pdf')
+            html = tpl.render(context_instance, request)
+            font_config = FontConfiguration()
+            css = CSS(string='''
+            @font-face {
+                font-family: Gentium;
+                src: url(%s);
+            }
+            body{
+                font-family: Gentium
+            }
+            ''' % (static("gentium/GentiumPlus-R.ttf")))
+            css2 = CSS(filename=settings.STATIC_ROOT + '/media/style_basic.css')
+            pdf = HTML(string=html, base_url=request.build_absolute_uri()
+                       ).write_pdf(stylesheets=[css, css2],
+                                   font_config=font_config)
+            response = HttpResponse(pdf, content_type='application/pdf')
             response['Content-Disposition'] = 'attachment; filename=%s.pdf' % \
                                               filename
-            if not pdf.err:
-                return response
-            return HttpResponse(content, content_type="application/xhtml")
+            return response
         else:
             tpl = loader.get_template('ishtar/sheet_%s_window.html' % name)
             content = tpl.render(context_instance, request)
-- 
cgit v1.2.3