def intersect_match(blastn_dataframe, q_seq_dict, r_seq_dict):
match_dict = dict()
for i, data in blastn_dataframe.iterrows():
q_seq = q_seq_dict[data['q_name']]
r_seq = r_seq_dict[data['r_name']]
match = Match(data, q_seq, r_seq)
if match.m_name not in match_dict:
match_dict[match.m_name] = match
else:
match_dict[match.m_name].extend(data, q_seq, r_seq)
for m_name in match_dict.keys():
match = match_dict[m_name]
q_seq = q_seq_dict[match.q_name]
r_seq = r_seq_dict[match.r_name]
match.calculate_identity(q_seq, r_seq)
return match_dict
