Add ZIP file decompression and TestCompression. by lababidi · Pull Request #12175 · pandas-dev/pandas (original) (raw)

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ERROR: test_to_csv_compression_value_error (pandas.tests.frame.test_to_csv.TestDataFrameToCSV)
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Traceback (most recent call last):
  File "/home/travis/build/pydata/pandas/pandas/tests/frame/test_to_csv.py", line 998, in test_to_csv_compression_value_error
    filename, compression="zip")
  File "/home/travis/build/pydata/pandas/pandas/util/testing.py", line 1952, in assertRaises
    _callable(*args, **kwargs)
  File "/home/travis/build/pydata/pandas/pandas/core/frame.py", line 1338, in to_csv
    formatter.save()
  File "/home/travis/build/pydata/pandas/pandas/core/format.py", line 1524, in save
    compression=self.compression)
  File "/home/travis/build/pydata/pandas/pandas/io/common.py", line 346, in _get_handle
    zip_file = zipfile.ZipFile(path)
  File "/home/travis/miniconda/envs/pandas/lib/python2.7/zipfile.py", line 770, in __init__
    self._RealGetContents()
  File "/home/travis/miniconda/envs/pandas/lib/python2.7/zipfile.py", line 811, in _RealGetContents
    raise BadZipfile, "File is not a zip file"
BadZipfile: File is not a zip file

put a test in for this error as well (e.g. try to open a non-zipfile); I don't think you need any code changes though, you can just let it raise.