def _open(self, path_or_file):
"""
Open a file like object resp. a wrapper for a file like object.
Arguments:
path (str): path to the mzml file
Returns:
file_handler: instance of
:py:class:`~pymzml.file_classes.standardGzip.StandardGzip`,
:py:class:`~pymzml.file_classes.indexedGzip.IndexedGzip` or
:py:class:`~pymzml.file_classes.standardMzml.StandardMzml`,
based on the file ending of 'path'
"""
if isinstance(path_or_file, BytesIO):
return bytesMzml.BytesMzml(path_or_file, self.encoding,
self.build_index_from_scratch)
try:
from django.core.files.uploadedfile import UploadedFile
if isinstance(path_or_file, UploadedFile):
return standardMzml.StandardMzml(path_or_file, self.encoding,
self.build_index_from_scratch)
except ImportError:
pass
if path_or_file.endswith(".gz"):
if self._indexed_gzip(path_or_file):
return indexedGzip.IndexedGzip(path_or_file, self.encoding)
else:
return standardGzip.StandardGzip(path_or_file, self.encoding)
return standardMzml.StandardMzml(path_or_file, self.encoding,
self.build_index_from_scratch)
def _open(self, path):
"""
Open a file like object resp. a wrapper for a file like object.
Arguments:
path (str): path to the mzml file
Returns:
file_handler: instance of
:py:class:`~pymzml.file_classes.standardGzip.StandardGzip`,
:py:class:`~pymzml.file_classes.indexedGzip.IndexedGzip` or
:py:class:`~pymzml.file_classes.standardMzml.StandardMzml`,
based on the file ending of 'path'
"""
if path.endswith('.gz'):
if self._indexed_gzip(path):
file_handler = indexedGzip.IndexedGzip(path, self.encoding)
else:
file_handler = standardGzip.StandardGzip(path, self.encoding)
else:
file_handler = standardMzml.StandardMzml(
path,
self.encoding,
self.build_index_from_scratch,
)
return file_handler