def __new__(cls, path, engine=None, **kwargs):
# only switch class if generic(ExcelWriter)
if cls is ExcelWriter:
if engine is None or (isinstance(engine, str) and engine == "auto"):
if isinstance(path, str):
ext = os.path.splitext(path)[-1][1:]
else:
ext = "xlsx"
try:
engine = config.get_option("io.excel.{ext}.writer".format(ext=ext))
if engine == "auto":
engine = _get_default_writer(ext)
except KeyError:
raise ValueError("No engine for filetype: '{ext}'".format(ext=ext))
cls = get_writer(engine)
return object.__new__(cls)
def __new__(cls, path, engine=None, **kwargs):
# only switch class if generic(ExcelWriter)
if issubclass(cls, ExcelWriter):
if engine is None or (isinstance(engine, str) and
engine == 'auto'):
if isinstance(path, str):
ext = os.path.splitext(path)[-1][1:]
else:
ext = 'xlsx'
try:
engine = config.get_option('io.excel.{ext}.writer'
.format(ext=ext))
if engine == 'auto':
engine = _get_default_writer(ext)
except KeyError:
raise ValueError("No engine for filetype: '{ext}'"
.format(ext=ext))
cls = get_writer(engine)
return object.__new__(cls)
def __new__(cls, path, engine=None, **kwargs):
# only switch class if generic(ExcelWriter)
if issubclass(cls, ExcelWriter):
if engine is None or (isinstance(engine, string_types)
and engine == 'auto'):
if isinstance(path, string_types):
ext = os.path.splitext(path)[-1][1:]
else:
ext = 'xlsx'
try:
engine = config.get_option(
'io.excel.{ext}.writer'.format(ext=ext))
if engine == 'auto':
engine = _get_default_writer(ext)
except KeyError:
error = ValueError(
"No engine for filetype: '{ext}'".format(ext=ext))
raise error
cls = get_writer(engine)
return object.__new__(cls)