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barcodes_samples now accept files like:
AAAAAAA,sample1 That will be used to named the cells from that sample in the final tagcounts.mtx.metadata
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Original file line number | Diff line number | Diff line change |
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@@ -1,5 +1,7 @@ | ||
*.pyc | ||
*.idx | ||
*.swo | ||
*.swp | ||
bcbio/pipeline/version.py | ||
bcbio_nextgen.egg-info/ | ||
build/ | ||
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Original file line number | Diff line number | Diff line change |
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from __future__ import print_function | ||
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import os | ||
import subprocess | ||
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from bcbio.rnaseq import gtf | ||
from bcbio.utils import file_exists, Rscript_cmd, R_sitelib | ||
from bcbio.distributed.transaction import file_transaction | ||
from bcbio.provenance import do | ||
from bcbio.pipeline import datadict as dd | ||
from bcbio.log import logger | ||
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def make_scrnaseq_object(samples): | ||
""" | ||
load the initial se.rda object using sinclecell-experiment | ||
""" | ||
local_sitelib = R_sitelib() | ||
counts_dir = os.path.dirname(dd.get_in_samples(samples, dd.get_combined_counts)) | ||
gtf_file = dd.get_in_samples(samples, dd.get_transcriptome_gtf) | ||
if not gtf_file: | ||
gtf_file = dd.get_in_samples(samples, dd.get_gtf_file) | ||
rda_file = os.path.join(counts_dir, "se.rda") | ||
if not file_exists(rda_file): | ||
with file_transaction(rda_file) as tx_out_file: | ||
rcode = "%s-run.R" % os.path.splitext(rda_file)[0] | ||
rrna_file = "%s-rrna.txt" % os.path.splitext(rda_file)[0] | ||
rrna_file = _find_rRNA_genes(gtf_file, rrna_file) | ||
with open(rcode, "w") as out_handle: | ||
out_handle.write(_script.format(**locals())) | ||
rscript = Rscript_cmd() | ||
try: | ||
# do.run([rscript, "--no-environ", rcode], | ||
# "SingleCellExperiment", | ||
# log_error=False) | ||
print(rcode) | ||
rda_file = rcode | ||
except subprocess.CalledProcessError as msg: | ||
logger.exception() | ||
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def _find_rRNA_genes(gtf_file, rrna_file): | ||
print(gtf_file) | ||
rrna_features = gtf.get_rRNA(gtf_file) | ||
transcripts = set([x[0] for x in rrna_features if x]) | ||
with open(rrna_file, 'w') as outh: | ||
outh.write("\n".join(transcripts)) | ||
return rrna_file | ||
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_script = """ | ||
library(SingleCellExperiment) | ||
library(Matrix) | ||
counts = readMM("{counts_dir}/tagcounts.mtx") | ||
rownames = read.csv("{counts_dir}/tagcounts.mtx.rownames", header = F)[["V1"]] | ||
rownames = as.character(rownames) | ||
colnames = read.csv("{counts_dir}/tagcounts.mtx.colnames", header = F)[["V1"]] | ||
colnames = make.names(as.character(colnames)) | ||
reads = read.csv("{counts_dir}/cb-histogram.txt", header = F, sep="\t", row.names = 1) | ||
rownames(reads) = make.names(rownames(reads)) | ||
counts = as(counts, "dgCMatrix") | ||
rownames(counts) = rownames | ||
colnames(counts) = colnames | ||
metadata = read.csv("{counts_dir}/tagcounts.mtx.metadata") | ||
rownames(metadata) = colnames | ||
metadata[["nUMI"]] = colSums(counts) | ||
metadata[["nGenes"]] = colSums(counts>0) | ||
metadata[["log10GenesPerUMI"]] = log10(metadata$nGene) / log10(metadata$nUMI) | ||
metadata[["nReads"]] = reads[colnames,] | ||
rrna = read.csv("{rrna_file}", header=F, stringsAsFactors = F) | ||
metadata[["mtUMI"]] = colSums(counts[rrna[["V1"]],], na.rm = T) | ||
metadata[["mtUMI"]][is.na(metadata[["mtUMI"]])] = 0 | ||
metadata[["mitoRatio"]] = metadata$mtUMI/metadata$nUMI | ||
se = SingleCellExperiment(assays=list(raw=counts), colData = metadata) | ||
save(se, file = "{counts_dir}/se.rda") | ||
""" |
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