Kill gobject (Replace poppler with pymupdf)

Dockerfile

@@ -1,22 +1,11 @@
-FROM debian:stretch
+FROM python:3.8.1-buster
 MAINTAINER nobody@nowhere.ws
 
-RUN set -x \
-	&& apt-get update && apt-get install -y --no-install-recommends \
-		gir1.2-poppler-0.18 \
-		python-cairo \
-		python-gi \
-		python-gi-cairo \
-		python-gobject \
-		python-pip \
-		python-setuptools \
-		python-wheel
-
 RUN mkdir /srv/eventmap
 WORKDIR /srv/eventmap
 COPY requirements.txt /srv/eventmap/requirements.txt
 
-RUN pip install -r requirements.txt
+RUN pip3 install -r requirements.txt
 
 COPY ./ /srv/eventmap
 

read_layers.py

@@ -8,8 +8,10 @@
 #
 
 import cairo
+import fitz
 import json
 import math
+import io
 import os
 import shutil
 import stat
@@ -59,47 +61,35 @@ def draw(self, context):
     def _load_file(self, path):
         raise NotImplementedError
 
-    def __cmp__(self, other):
-        return cmp(self.name, other.name)
+    def __lt__(self, other):
+        return self.name < other.name
 
-
-class PdfLayer(Layer):
-    def _load_file(self, path):
-        import gi
-        gi.require_version('Poppler', '0.18')
-        from gi.repository import Poppler
-        document = Poppler.Document.new_from_file('file://{0}'.format(path), None)
-        self._page = document.get_page(0)
+class ImageLayer(Layer):
 
     @property
     def _orig_width(self):
-        return self._page.get_size()[0]
+        return self._image.get_width()
 
     @property
     def _orig_height(self):
-        return self._page.get_size()[1]
+        return self._image.get_height()
 
     def draw(self, context):
-        super(PdfLayer, self).draw(context)
-        self._page.render(context)
+        super().draw(context)
+        context.set_source_surface(self._image)
+        context.paint()
 
 
-class PngLayer(Layer):
+class PdfLayer(ImageLayer):
     def _load_file(self, path):
-        self._image = cairo.ImageSurface.create_from_png(path)
+        document = fitz.open(path)
+        image = io.BytesIO(document.loadPage(0).getPixmap().getPNGData())
+        self._image = cairo.ImageSurface.create_from_png(image)
 
-    @property
-    def _orig_width(self):
-        return self._image.get_width()
 
-    @property
-    def _orig_height(self):
-        return self._image.get_height()
-
-    def draw(self, context):
-        super(PngLayer, self).draw(context)
-        context.set_source_surface(self._image)
-        context.paint()
+class PngLayer(ImageLayer):
+    def _load_file(self, path):
+        self._image = cairo.ImageSurface.create_from_png(path)
 
 
 class LayerLoader(object):

requirements.txt

@@ -6,6 +6,8 @@ jaraco.functools==1.20
 more-itertools==4.3.0
 portend==2.3
 pytz==2018.7
+pycairo==1.19.1
+PyMuPDF==1.16.11
 PyYAML==3.13
 six==1.12.0
 tempora==1.14

run_server.py

@@ -6,7 +6,7 @@
 #
 
 import os
-from cStringIO import StringIO
+from io import StringIO
 import hashlib
 import threading
 import json
@@ -25,13 +25,13 @@ def __init__(self, synchronized_json):
         super(SynchronizedJSONAutoLoader, self).__init__()
 
     def run(self):
-        print "Autoloader Starting up"
+        print("Autoloader Starting up")
         time.sleep(2)
         while cherrypy.engine.state == cherrypy.engine.states.STARTED:
             time.sleep(1)
             with self._synchronized_json.lock:
                 self._synchronized_json.load()
-        print "Autoloader Exiting"
+        print("Autoloader Exiting")
 
 class SynchronizedJSON(object):
     def __init__(self, filename):
@@ -73,7 +73,7 @@ def _update_sync_id(self):
             del doc['sync-id']
         hashed_data = json.dumps(doc)
         h = hashlib.sha256()
-        h.update(hashed_data)
+        h.update(hashed_data.encode('utf-8'))
         doc['sync-id'] = h.hexdigest()
         self._new['data'] = json.dumps(doc, indent=4)
         self._new['sync-id'] = h.hexdigest()
@@ -89,7 +89,7 @@ def set_data(self, data):
         self._update_sync_id()
 
         with open(self._filename + '.new', 'wb') as f:
-            f.write(self._new['data'])
+            f.write(self._new['data'].encode("utf-8"))
             f.flush()
             os.fsync(f.fileno())
         os.rename(self._filename + '.new', self._filename)
@@ -140,7 +140,7 @@ def __init__(self, path):
         self.markers = EventMapMarkerApi(path)
 
 def test_log(msg, level):
-    print "%s, %s" % (msg, level)
+    print("%s, %s" % (msg, level))
 
 if __name__ == '__main__':
     publish = len(sys.argv) >= 2 and sys.argv[1] == '-P'
@@ -151,7 +151,8 @@ def test_log(msg, level):
         'server.socket_port': 8023,
         'server.thread_pool_max': 500,
         'server.thread_pool': 100,
-        'log.screen': True
+        'log.screen': True,
+        'tools.encode.text_only': False
     })
 
     cherrypy.tree.mount(None, '/', {