html5lib-python/requirements-optional.txt at master · ezc/html5lib-python · GitHub

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-r requirements.txt

# We support a Genshi treewalker that can be used to serialize Genshi

# streams.

genshi

# charade can be used as a fallback in case we are unable to determine

# the encoding of a document.

charade

# lxml is supported with its own treebuilder ("lxml") and otherwise

# uses the standard ElementTree support

lxml ; platform_python_implementation == 'CPython'

# DATrie can be used in place of our Python trie implementation for

# slightly better parsing performance.

datrie ; platform_python_implementation == 'CPython'

# Can be used to force attributes to be serialized in alphabetical

# order.

ordereddict ; python_version < '2.7'

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