alterlab-pysam

You can read and write SAM/BAM/CRAM alignments in Python by opening the file with AlignmentFile to iterate reads, preserving headers and metadata for bioinformatics pipelines.

Yes, pysam supports indexed region queries for VCF/BCF variant analysis using fetch and pileup functions to extract variant contexts and compute coverage across genomic regions.

The best way to integrate multiple genomic file formats in a Python workflow is using a unified I/O toolkit to process SAM/BAM/CRAM, VCF/BCF, and FASTA/FASTQ files together for data integration across samples.

You need to query reference sequences and perform pileup for coverage when building bioinformatics pipelines that compute coverage depth, validate results across samples, and extract variant contexts from alignment data.

Yes, you can use pysam for quality control and sequence extraction from FASTA/FASTQ files, as it provides Python tools to read, process, and write genomic data across these formats within bioinformatics pipelines.