Send WeasyPrint logs to Sphinx logger

README.rst

@@ -87,7 +87,7 @@ Following parameters are needed to sign:
    Signing methods are really limited. Do not
    hesitate to contribute !
 
-   Available: `none` (no encryption), `pkcs11`
+   Available: `none` (no signing), `pkcs11`
 
    To be implemented: `p12`, `gpg`
 

build/lib/sphinx_weasyprint_builder/weasyprint_builder.py

@@ -9,6 +9,10 @@ from sphinx.util.osutil import os_path
 from sphinx.locale import __
 
 import weasyprint
+from .loghandler import init_wpsphinx_log
+
+
+init_wpsphinx_log()
 
 
 class WeasyPrintPDFBuilder(SingleFileHTMLBuilder):
@@ -70,7 +74,5 @@ class WeasyPrintPDFBuilder(SingleFileHTMLBuilder):
             self.config.weasyprint_basename + '.pdf'
         )
         weasy_html = weasyprint.HTML(infile)
-        print('*********************')
-        print('%s ----- %s', (infile, outfile))
         weasy_html.write_pdf(outfile)
         # progress_message('Signing PDF')

sphinx_weasyprint_builder/loghandler.py

@@ -0,0 +1,30 @@
+#!/usr/bin/env python3
+
+import logging
+from sphinx.util import logging as sphinx_logging
+
+
+logger = sphinx_logging.getLogger('weasyprint_builder')
+
+
+def init_wpsphinx_log():
+    """
+    Initialize logging for WeasyPrint.
+    """
+    wplogger = logging.getLogger('weasyprint')
+    wphandler = SphinxWPHandler()
+    wphandler.setLevel(logging.INFO)
+    formatter = logging.Formatter('%(message)s')
+    wphandler.setFormatter(formatter)
+    wplogger.addHandler(wphandler)
+
+
+class SphinxWPHandler(logging.StreamHandler):
+    """
+    Resend WeasyPrint logging to Sphinx output.
+    """
+    def __init__(self):
+        super(SphinxWPHandler, self).__init__()
+
+    def emit(self, record):
+        logger.handle(record)

sphinx_weasyprint_builder/weasyprint_builder.py

@@ -9,6 +9,10 @@ from sphinx.util.osutil import os_path
 from sphinx.locale import __
 
 import weasyprint
+from .loghandler import init_wpsphinx_log
+
+
+init_wpsphinx_log()
 
 
 class WeasyPrintPDFBuilder(SingleFileHTMLBuilder):
@@ -70,7 +74,5 @@ class WeasyPrintPDFBuilder(SingleFileHTMLBuilder):
             self.config.weasyprint_basename + '.pdf'
         )
         weasy_html = weasyprint.HTML(infile)
-        print('*********************')
-        print('%s ----- %s', (infile, outfile))
         weasy_html.write_pdf(outfile)
         # progress_message('Signing PDF')