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@mikeboers
Created March 8, 2011 17:51
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import re
from mako.template import Template
source = '''pre %{for i in range(10)}
${- i -}
%{- if i % 2 -}
-
%{- else -}
|
%{- endif -}
%{- endfor} post'''
def _inline_callback(m):
statement = m.group(1).strip()
return '\\\n%% %s%s\n' % (statement, '' if statement.startswith('end') else ':')
_inline_re = re.compile(r'%{([^}]+)}')
def inline_control_statements(source):
return _inline_re.sub(_inline_callback, source)
_post_white_re = re.compile(r'([$%]){(.*?)-}\s*')
_pre_white_re = re.compile(r'\s*([$%]){-(.*?)}')
def whitespace_control(source):
source = _post_white_re.sub(r'\1{\2}', source)
return _pre_white_re.sub(r'\1{\2}', source)
# Make sure to apply the whitespace control before the inline control statments.
template = Template(source, preprocessor=lambda x: inline_control_statements(whitespace_control(x)))
print template.code
print template.render_unicode()
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