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Add remove_code_chunks template filter

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It will be needed when generating feeds
This commit is contained in:
Gergely Polonkai 2013-10-21 02:50:02 +02:00
parent a5b6e90183
commit 4f8db2dc97
1 changed files with 33 additions and 0 deletions
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33
blog/templatetags/code_chunks.py
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@ -28,6 +28,39 @@ def hilite(language, code):
formatter = CodeFormatter(style = SolarizedDarkStyle, linenos = False, cssclass = language + " code", noclasses = True)
return highlight(code, lexer, formatter)
@register.filter(needs_autoescape=True)
@stringfilter
def remove_code_chunks(value, autoescape=None):
p = re.compile('\[\$ code:(?P<lang>[^:]+):(?P<slug>[^ ]+) \$\]')
i = p.finditer(value)
diff = 0
for match in i:
end, start = match.span()
oldlen = start - end
start += diff
end += diff
newstr = ""
newlen = len(newstr)
value = value[:end] + newstr + value[start:]
diff += newlen - oldlen
p = re.compile('\[\$ code:(?P<lang>[^:]+):(?P<code>.+?) \$\]', re.DOTALL)
i = p.finditer(value)
diff = 0
for match in i:
end, start = match.span()
oldlen = start - end
start += diff
end += diff
newstr = ""
newlen = len(newstr)
value = value[:end] + newstr + value[start:]
diff += newlen - oldlen
return mark_safe(value)
@register.filter(needs_autoescape=True)
@stringfilter
def insert_code_chunks(value, autoescape=None):