def __init__(self, input_path):
"""Initializes a NativeGffReader.
Args:
input_path: string. A path to a resource containing GFF records.
"""
super(NativeGffReader, self).__init__()
gff_path = input_path.encode('utf8')
reader_options = gff_pb2.GffReaderOptions()
self._reader = gff_reader.GffReader.from_file(gff_path, reader_options)
self.header = self._reader.header
def setUp(self):
self.options = gff_pb2.GffReaderOptions()
self.first = gff_pb2.GffRecord()
self.first.range.reference_name = 'ctg123'
self.first.range.start = 999
self.first.range.end = 9000
self.first.source = 'GenBank'
self.first.type = 'gene'
self.first.score = 2.5
self.first.strand = gff_pb2.GffRecord.FORWARD_STRAND
self.first.phase = 0
self.first.attributes['ID'] = 'gene00001'
self.first.attributes['Name'] = 'EDEN'
self.second = gff_pb2.GffRecord()
self.second.range.reference_name = 'ctg123'
self.second.range.start = 999
self.second.range.end = 1012
self.second.phase = -1
self.second.score = -float('inf')