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from markdown.extensions import Extension
from markdown.inlinepatterns import Pattern
VARIABLE_RE = r'(\$\{)(\w+)(\})'
class VariablePattern(Pattern):
def __init__(self, pattern, variables, md=None):
print(type(variables))
self.variables = variables
super().__init__(pattern, md)
def handleMatch(self, m):
variable = m.group(3)
value = ''
if variable in self.variables:
value = self.variables[variable]
return value
class VariableExtension(Extension):
def __init__(self, **kwargs):
self.config = {
'enable_env': [False, 'Enable Environment variables parsing.'],
'variables': [dict(), 'Dictionary holding variables to be used.']
}
super().__init__(**kwargs)
def extendMarkdown(self, md):
variable = VariablePattern(VARIABLE_RE, variables=self.getConfig('variables'))
md.inlinePatterns.register(variable, 'variable', 75)
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