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use markdown import and content type only when available

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Helmut Merz 2017-12-29 10:37:13 +01:00
parent 8c09a0e73d
commit a13784e93e
1 changed files with 8 additions and 3 deletions
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9
util.py
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@ -1,5 +1,5 @@
# #
# Copyright (c) 2012 Helmut Merz helmutm@cy55.de # Copyright (c) 2017 Helmut Merz helmutm@cy55.de
# #
# This program is free software; you can redistribute it and/or modify # This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by # it under the terms of the GNU General Public License as published by
@ -31,7 +31,10 @@ from zope.app.renderer.interfaces import ISource, IHTMLRenderer
from zope.app.renderer import SourceFactory from zope.app.renderer import SourceFactory
from zope.schema import vocabulary from zope.schema import vocabulary
from zope import thread from zope import thread
try:
import markdown import markdown
except ImportError:
markdown = None
import cybertools import cybertools
from loops.browser.util import html_quote from loops.browser.util import html_quote
@ -40,7 +43,6 @@ _ = MessageFactory('loops')
renderingFactories = { renderingFactories = {
'text/markdown': 'loops.util.markdown',
'text/plain': 'zope.source.plaintext', 'text/plain': 'zope.source.plaintext',
'text/stx': 'zope.source.stx', 'text/stx': 'zope.source.stx',
'text/structured': 'zope.source.stx', 'text/structured': 'zope.source.stx',
@ -48,6 +50,9 @@ renderingFactories = {
'text/restructured': 'zope.source.rest', 'text/restructured': 'zope.source.rest',
} }
if markdown:
renderingFactories['text/markdown'] = 'loops.util.markdown'
class IMarkdownSource(ISource): class IMarkdownSource(ISource):
"""Marker interface for a restructured text source. Note that an """Marker interface for a restructured text source. Note that an
implementation of this interface should always derive from unicode or implementation of this interface should always derive from unicode or