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Applying max_colwidth to the DataFrame index (#7856) #8954

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Applying max_colwidth to the DataFrame index (#7856) #8954

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de1faaa
Applying max_colwidth to the DataFrame index (#7856)
tiagoantao Nov 30, 2014
2fcd81d
test case
tiagoantao Dec 2, 2014
362b517
Merge remote-tracking branch 'upstream/master' into colwidth
tiagoantao Jan 8, 2015
c917350
Merge remote-tracking branch 'upstream/master' into colwidth
tiagoantao Mar 8, 2015
ad262bc
Bug on representation of index (#7856): corrected test and added what…
tiagoantao Mar 8, 2015
23b8a04
Merge remote-tracking branch 'upstream/master' into colwidth
tiagoantao Mar 9, 2015
7228df2
Bug on representation of index (#7856): refactored test
tiagoantao Mar 9, 2015
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3 changes: 3 additions & 0 deletions pandas/core/format.py
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Original file line number Diff line number Diff line change
Expand Up @@ -746,6 +746,9 @@ def _get_formatted_index(self, frame):
formatter=fmt)
else:
fmt_index = [index.format(name=show_index_names, formatter=fmt)]
fmt_index = [tuple(_make_fixed_width(
list(x), justify='left', minimum=(self.col_space or 0)))
for x in fmt_index]

adjoined = adjoin(1, *fmt_index).split('\n')

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16 changes: 16 additions & 0 deletions pandas/tests/test_frame.py
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Expand Up @@ -4795,6 +4795,22 @@ def test_repr_unicode(self):
result = repr(df)
self.assertEqual(result.split('\n')[0].rstrip(), ex_top)

def test_str_max_colwidth(self):
curr_max_colwidth = pd.get_option('max_colwidth')
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these tests should all be in test_format.py instead of here

# As we change a global option, we save it
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pls add the issue number as a comment here

df = pd.DataFrame([{'a': 'foo', 'b': 'bar',
'c': 'uncomfortably long line with lots of stuff',
'd': 1},
{'a': 'foo', 'b': 'bar', 'c': 'stuff', 'd': 1}])
assert(str(df) == ' a b c d\n'
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use self.assertTrue(.....) instead of bare assert

'0 foo bar uncomfortably long line with lots of stuff 1\n'
'1 foo bar stuff 1')
pd.set_option('max_colwidth', 20)
assert(str(df) == ' a b c d\n'
'0 foo bar uncomfortably lo... 1\n'
'1 foo bar stuff 1')
pd.set_option('max_colwidth', curr_max_colwidth)

def test_unicode_string_with_unicode(self):
df = DataFrame({'A': [u("\u05d0")]})

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