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Merge pull request #90 from nf-core/samplesheet-check-improvement

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Make check_samplesheet.py compatible with nf-core/fetchngs
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James A. Fellows Yates 2022-08-23 15:57:59 +01:00 committed by GitHub
commit 1821496a49
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1 changed files with 20 additions and 5 deletions
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25
bin/check_samplesheet.py
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@ -37,6 +37,7 @@ def print_error(error, context="Line", context_str=""):
print(error_str)
sys.exit(1)
def check_samplesheet(file_in, file_out):
"""
This function checks that the samplesheet follows the following structure:
@ -87,17 +88,28 @@ def check_samplesheet(file_in, file_out):
"fasta",
]
header = [x.strip('"') for x in fin.readline().strip().split(",")]
if header[: len(HEADER)] != HEADER:
## Check for missing mandatory columns
missing_columns = list(set(HEADER) - set(header))
if len(missing_columns) > 0:
print(
"ERROR: Please check samplesheet header -> {} != {}".format(
",".join(header), ",".join(HEADER)
"ERROR: Missing required column header -> {}. Note some columns can otherwise be empty. See pipeline documentation (https://nf-co.re/taxprofiler/usage).".format(
",".join(missing_columns)
)
)
sys.exit(1)
## Find locations of mandatory columns
header_locs = {}
for i in HEADER:
header_locs[i] = header.index(i)
## Check sample entries
for line in fin:
lspl = [x.strip().strip('"') for x in line.strip().split(",")]
## Pull out only relevant columns for downstream checking
line_parsed = [x.strip().strip('"') for x in line.strip().split(",")]
lspl = [line_parsed[i] for i in header_locs.values()]
# Check valid number of columns per row
if len(lspl) < len(HEADER):
@ -117,6 +129,7 @@ def check_samplesheet(file_in, file_out):
)
## Check sample name entries
(
sample,
run_accession,
@ -173,7 +186,9 @@ def check_samplesheet(file_in, file_out):
## Auto-detect paired-end/single-end
if sample and fastq_1 and fastq_2: ## Paired-end short reads
sample_info.extend(["0", fastq_1, fastq_2, fasta])
elif sample and fastq_1 and not fastq_2: ## Single-end short/long fastq reads
elif (
sample and fastq_1 and not fastq_2
): ## Single-end short/long fastq reads
sample_info.extend(["1", fastq_1, fastq_2, fasta])
elif (
sample and fasta and not fastq_1 and not fastq_2