From d3b225611a741eeca6fb03fb202a30608d3b0398 Mon Sep 17 00:00:00 2001
From: Andre Anjos <andre.anjos@idiap.ch>
Date: Mon, 14 Mar 2016 13:42:52 +0100
Subject: [PATCH] [ui] Prepare for better rst parsing and displaying
---
beat/web/ui/templatetags/markup.py | 59 ++++++++++++++++++++++++++++++
1 file changed, 59 insertions(+)
diff --git a/beat/web/ui/templatetags/markup.py b/beat/web/ui/templatetags/markup.py
index de62becf2..aefaa3e58 100644
--- a/beat/web/ui/templatetags/markup.py
+++ b/beat/web/ui/templatetags/markup.py
@@ -95,6 +95,64 @@ def markdown(value, arg=''):
))
+def get_rst_errors(s, config):
+ """Catch errors and syntax warnings and returns them
+ """
+
+ import docutils.utils
+ import docutils.parsers
+ import docutils.frontend
+
+ class SilentReporter(docutils.utils.Reporter):
+ """
+ Silent reporter
+
+ All warnings and errors will be stored and can be used subsequently
+ through the reporter instance
+ """
+
+ def __init__(self, *args, **kwargs):
+ self.messages = []
+ docutils.utils.Reporter.__init__(self, *args, **kwargs)
+
+ def system_message(self, level, message, *children, **kwargs):
+ self.messages.append((level, message, children, kwargs))
+
+ parser = docutils.parsers.rst.Parser()
+
+ defaults = docutils.frontend.OptionParser().get_default_values()
+ for key, val in config.items(): setattr(defaults, key, val)
+ defaults.tab_width = 4
+ defaults.pep_references = None
+ defaults.rfc_references = None
+ defaults.report_level = 1 #info
+ defaults.halt_level = 4 #severe
+ defaults.debug = 0 #don't debug
+
+ reporter = SilentReporter(
+ None,
+ defaults.report_level, #info
+ defaults.halt_level, #severe
+ stream=defaults.warning_stream,
+ debug=defaults.debug, #no debug
+ encoding=defaults.error_encoding,
+ error_handler=defaults.error_encoding_error_handler,
+ )
+
+ document = docutils.utils.new_document(None, defaults)
+ document.reporter = reporter
+
+ try:
+ parser.parse(s, document)
+ except AttributeError:
+ pass
+ except TypeError:
+ # Catch ``TypeError`` to avoid problems with local roles
+ # NOTE: Is this still necessary ?
+ pass
+ return reporter.messages
+
+
@register.filter(is_safe=True)
@stringfilter
def restructuredtext(value, full=False):
@@ -107,6 +165,7 @@ def restructuredtext(value, full=False):
else:
docutils_settings = getattr(settings, "RESTRUCTUREDTEXT_FILTER_SETTINGS", {})
parts = publish_parts(source=force_bytes(value), writer_name="html4css1", settings_overrides=docutils_settings)
+ #errors = get_rst_errors(value, docutils_settings)
if full:
return mark_safe(force_text(parts["html_body"])) #with h1 title
else:
--
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