Python pandas.core.dtypes.common.is_file_like() Examples

The following are 5 code examples of pandas.core.dtypes.common.is_file_like(). You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may also want to check out all available functions/classes of the module pandas.core.dtypes.common , or try the search function .
Example #1
Source File: common.py    From recruit with Apache License 2.0 4 votes vote down vote up
def get_filepath_or_buffer(filepath_or_buffer, encoding=None,
                           compression=None, mode=None):
    """
    If the filepath_or_buffer is a url, translate and return the buffer.
    Otherwise passthrough.

    Parameters
    ----------
    filepath_or_buffer : a url, filepath (str, py.path.local or pathlib.Path),
                         or buffer
    encoding : the encoding to use to decode py3 bytes, default is 'utf-8'
    mode : str, optional

    Returns
    -------
    tuple of ({a filepath_ or buffer or S3File instance},
              encoding, str,
              compression, str,
              should_close, bool)
    """
    filepath_or_buffer = _stringify_path(filepath_or_buffer)

    if _is_url(filepath_or_buffer):
        req = _urlopen(filepath_or_buffer)
        content_encoding = req.headers.get('Content-Encoding', None)
        if content_encoding == 'gzip':
            # Override compression based on Content-Encoding header
            compression = 'gzip'
        reader = BytesIO(req.read())
        req.close()
        return reader, encoding, compression, True

    if is_s3_url(filepath_or_buffer):
        from pandas.io import s3
        return s3.get_filepath_or_buffer(filepath_or_buffer,
                                         encoding=encoding,
                                         compression=compression,
                                         mode=mode)

    if is_gcs_url(filepath_or_buffer):
        from pandas.io import gcs
        return gcs.get_filepath_or_buffer(filepath_or_buffer,
                                          encoding=encoding,
                                          compression=compression,
                                          mode=mode)

    if isinstance(filepath_or_buffer, (compat.string_types,
                                       compat.binary_type,
                                       mmap.mmap)):
        return _expand_user(filepath_or_buffer), None, compression, False

    if not is_file_like(filepath_or_buffer):
        msg = "Invalid file path or buffer object type: {_type}"
        raise ValueError(msg.format(_type=type(filepath_or_buffer)))

    return filepath_or_buffer, None, compression, False 
Example #2
Source File: common.py    From vnpy_crypto with MIT License 4 votes vote down vote up
def get_filepath_or_buffer(filepath_or_buffer, encoding=None,
                           compression=None, mode=None):
    """
    If the filepath_or_buffer is a url, translate and return the buffer.
    Otherwise passthrough.

    Parameters
    ----------
    filepath_or_buffer : a url, filepath (str, py.path.local or pathlib.Path),
                         or buffer
    encoding : the encoding to use to decode py3 bytes, default is 'utf-8'
    mode : str, optional

    Returns
    -------
    tuple of ({a filepath_ or buffer or S3File instance},
              encoding, str,
              compression, str,
              should_close, bool)
    """
    filepath_or_buffer = _stringify_path(filepath_or_buffer)

    if _is_url(filepath_or_buffer):
        req = _urlopen(filepath_or_buffer)
        content_encoding = req.headers.get('Content-Encoding', None)
        if content_encoding == 'gzip':
            # Override compression based on Content-Encoding header
            compression = 'gzip'
        reader = BytesIO(req.read())
        req.close()
        return reader, encoding, compression, True

    if is_s3_url(filepath_or_buffer):
        from pandas.io import s3
        return s3.get_filepath_or_buffer(filepath_or_buffer,
                                         encoding=encoding,
                                         compression=compression,
                                         mode=mode)

    if isinstance(filepath_or_buffer, (compat.string_types,
                                       compat.binary_type,
                                       mmap.mmap)):
        return _expand_user(filepath_or_buffer), None, compression, False

    if not is_file_like(filepath_or_buffer):
        msg = "Invalid file path or buffer object type: {_type}"
        raise ValueError(msg.format(_type=type(filepath_or_buffer)))

    return filepath_or_buffer, None, compression, False 
Example #3
Source File: common.py    From predictive-maintenance-using-machine-learning with Apache License 2.0 4 votes vote down vote up
def get_filepath_or_buffer(filepath_or_buffer, encoding=None,
                           compression=None, mode=None):
    """
    If the filepath_or_buffer is a url, translate and return the buffer.
    Otherwise passthrough.

    Parameters
    ----------
    filepath_or_buffer : a url, filepath (str, py.path.local or pathlib.Path),
                         or buffer
    encoding : the encoding to use to decode py3 bytes, default is 'utf-8'
    mode : str, optional

    Returns
    -------
    tuple of ({a filepath_ or buffer or S3File instance},
              encoding, str,
              compression, str,
              should_close, bool)
    """
    filepath_or_buffer = _stringify_path(filepath_or_buffer)

    if _is_url(filepath_or_buffer):
        req = _urlopen(filepath_or_buffer)
        content_encoding = req.headers.get('Content-Encoding', None)
        if content_encoding == 'gzip':
            # Override compression based on Content-Encoding header
            compression = 'gzip'
        reader = BytesIO(req.read())
        req.close()
        return reader, encoding, compression, True

    if is_s3_url(filepath_or_buffer):
        from pandas.io import s3
        return s3.get_filepath_or_buffer(filepath_or_buffer,
                                         encoding=encoding,
                                         compression=compression,
                                         mode=mode)

    if is_gcs_url(filepath_or_buffer):
        from pandas.io import gcs
        return gcs.get_filepath_or_buffer(filepath_or_buffer,
                                          encoding=encoding,
                                          compression=compression,
                                          mode=mode)

    if isinstance(filepath_or_buffer, (compat.string_types,
                                       compat.binary_type,
                                       mmap.mmap)):
        return _expand_user(filepath_or_buffer), None, compression, False

    if not is_file_like(filepath_or_buffer):
        msg = "Invalid file path or buffer object type: {_type}"
        raise ValueError(msg.format(_type=type(filepath_or_buffer)))

    return filepath_or_buffer, None, compression, False 
Example #4
Source File: common.py    From Splunking-Crime with GNU Affero General Public License v3.0 4 votes vote down vote up
def get_filepath_or_buffer(filepath_or_buffer, encoding=None,
                           compression=None):
    """
    If the filepath_or_buffer is a url, translate and return the buffer.
    Otherwise passthrough.

    Parameters
    ----------
    filepath_or_buffer : a url, filepath (str, py.path.local or pathlib.Path),
                         or buffer
    encoding : the encoding to use to decode py3 bytes, default is 'utf-8'

    Returns
    -------
    a filepath_or_buffer, the encoding, the compression
    """
    filepath_or_buffer = _stringify_path(filepath_or_buffer)

    if _is_url(filepath_or_buffer):
        req = _urlopen(filepath_or_buffer)
        content_encoding = req.headers.get('Content-Encoding', None)
        if content_encoding == 'gzip':
            # Override compression based on Content-Encoding header
            compression = 'gzip'
        reader = BytesIO(req.read())
        return reader, encoding, compression

    if _is_s3_url(filepath_or_buffer):
        from pandas.io import s3
        return s3.get_filepath_or_buffer(filepath_or_buffer,
                                         encoding=encoding,
                                         compression=compression)

    if isinstance(filepath_or_buffer, (compat.string_types,
                                       compat.binary_type,
                                       mmap.mmap)):
        return _expand_user(filepath_or_buffer), None, compression

    if not is_file_like(filepath_or_buffer):
        msg = "Invalid file path or buffer object type: {_type}"
        raise ValueError(msg.format(_type=type(filepath_or_buffer)))

    return filepath_or_buffer, None, compression 
Example #5
Source File: common.py    From elasticintel with GNU General Public License v3.0 4 votes vote down vote up
def get_filepath_or_buffer(filepath_or_buffer, encoding=None,
                           compression=None):
    """
    If the filepath_or_buffer is a url, translate and return the buffer.
    Otherwise passthrough.

    Parameters
    ----------
    filepath_or_buffer : a url, filepath (str, py.path.local or pathlib.Path),
                         or buffer
    encoding : the encoding to use to decode py3 bytes, default is 'utf-8'

    Returns
    -------
    a filepath_or_buffer, the encoding, the compression
    """
    filepath_or_buffer = _stringify_path(filepath_or_buffer)

    if _is_url(filepath_or_buffer):
        req = _urlopen(filepath_or_buffer)
        content_encoding = req.headers.get('Content-Encoding', None)
        if content_encoding == 'gzip':
            # Override compression based on Content-Encoding header
            compression = 'gzip'
        reader = BytesIO(req.read())
        return reader, encoding, compression

    if _is_s3_url(filepath_or_buffer):
        from pandas.io import s3
        return s3.get_filepath_or_buffer(filepath_or_buffer,
                                         encoding=encoding,
                                         compression=compression)

    if isinstance(filepath_or_buffer, (compat.string_types,
                                       compat.binary_type,
                                       mmap.mmap)):
        return _expand_user(filepath_or_buffer), None, compression

    if not is_file_like(filepath_or_buffer):
        msg = "Invalid file path or buffer object type: {_type}"
        raise ValueError(msg.format(_type=type(filepath_or_buffer)))

    return filepath_or_buffer, None, compression