Get Flake8 looking clean #20
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This is mostly just removing dead variables, however, there are a few substantial changes in here: - Move to using try/except ImportError/else in tests where we are checking some module existing, as this was hiding genuine bugs that manifested themselves as ImportError (the etree treewalker was throwing ImportError when being imported). - Fixes the ImportError the etree treewalker was throwing (this was, too, reported as a bug by pyflakes, thereby showing its value). However, given it has been untested for a while, it is unsurprisingly broken, failing thousands of tests. - The parser defined the scriptDataDoubleEscapedDashState twice, therefore everything that should've been run in this state was in fact run in the scriptDataDoubleEscapedDashDashState. This also adds flake8 to Travis, albeit running it without any PEP 8 errors showing.
The two violations: - We don't in general comply with the 79 character per line limit. - constants.py violates (at least according to pep8) the hanging indent rule. On the whole, I disagree with the tool and have filed <PyCQA/pycodestyle#189> with regards to this.
This is effectively the treewalker equivalent of 3e50aad: Don't rely on the ElementTree Comment factory being the tag attribute on Comments. This is needed for xml.etree.cElementTree under 2.6 (and likely hence custom installs of cElementTree 1.2), where the tag property is equal to xml.etree.ElementTree.Comment (i.e., the pure Python version).
It turns out flake8's behaviour differs between Python 2 and Python 3 because of the changes between the two, so run it on both on Travis.
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Manually merged in 5b94a06 and immediate parents. |
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This addresses both pyflakes and pep8. See commit messages for more detail. In fixing this, this fixes #1.