Module parse 

FASTA/FASTQ parsing with automatic decompression

Reads DNA sequences from FASTA or FASTQ files, with transparent gzip decompression. Validates DNA alphabet (A, C, G, T only).

Functions

count_sequences

Count sequences and total bases in a file

parse_sequences

Parse a FASTA/FASTQ file and call a function for each valid DNA sequence

validate_dna_sequence

Validate that a sequence contains only valid DNA bases (A, C, G, T)