ENH: specify header=['list', 'of', 'headers'] in DataFrame.write_csv() · Issue #921 · pandas-dev/pandas (original) (raw)

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Description

As with R's write.table col.names which can take a list of column headers to output instead of the
headers.

here's a start, though I'm unsure about hwo it interacts with the index label stuff.

diff --git a/pandas/core/frame.py b/pandas/core/frame.py index 248a4e9..8c93488 100644 --- a/pandas/core/frame.py +++ b/pandas/core/frame.py @@ -13,7 +13,7 @@ labeling information

pylint: disable=E1101,E1103

pylint: disable=W0212,W0231,W0703,W0622

• +import collections from itertools import izip from StringIO import StringIO import csv @@ -889,7 +889,9 @@ class DataFrame(NDFrame): cols = self.columns series = self._series

•    if header:

•    if isinstance(header, collections.Iterable):

•        writer.writerow([h or '' for h in header])

•    elif header:
         if index:
             # should write something for index label
             if index_label is None: