try to support embedded fonts

screenless/bureau/bureau.py

@@ -15,6 +15,7 @@ import threading
 import lmdb
 import PIL
 import weasyprint
+from weasyprint.fonts import FontConfiguration
 import zmq
 from escpos import printer
 from mako.template import Template
@@ -322,7 +323,8 @@ class Bureau(object):
         # TODO: make paper size a config variable
         pdfpath = tempfile.mkstemp(".pdf")[1]
         self.log.debug("rendering to: " + pdfpath)
-        weasyprint.HTML(string=templ.render_unicode(**kwargs)).write_pdf(pdfpath)
+        fontconfig = FontConfiguration()
+        weasyprint.HTML(string=templ.render_unicode(**kwargs)).write_pdf(pdfpath, font_config=fontconfig)
         subprocess.call("lpr -o sides=two-sided-long-edge -o InputSlot=Upper " + pdfpath, shell=True)
 
     # TODO: make this asynchronous