changeset 0:fcd8d80a9dae

First upload
author kevyin
date Thu, 13 Sep 2012 02:45:57 -0400
parents
children a0f8d032fbfe
files fastq_groomer_parallel/fastq_groomer_parallel.py fastq_groomer_parallel/fastq_groomer_parallel.xml
diffstat 2 files changed, 234 insertions(+), 0 deletions(-) [+]
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/fastq_groomer_parallel/fastq_groomer_parallel.py	Thu Sep 13 02:45:57 2012 -0400
@@ -0,0 +1,163 @@
+#Dan Blankenberg
+import sys
+import time
+import os
+import math
+import subprocess
+import string
+import shutil
+import pickle
+import io
+from multiprocessing import Process
+from galaxy_utils.sequence.fastq import fastqReader, fastqVerboseErrorReader, fastqAggregator, fastqWriter
+
+  
+
+def main():
+    split_program = "split"
+    cat_program = "cat"
+    input_filename =  sys.argv[1]
+    output_filename = sys.argv[3]
+    number_of_processes = 1;
+    if (len(sys.argv) > 7):
+        number_of_processes = int(sys.argv[7])
+    file_prefix = "temp_groomer_part_"
+    
+    t1 = time.time()
+    old_path = os.getcwd()
+
+    lines_per_process,number_of_lines = calculate_lines_per_process(input_filename, number_of_processes)                 
+    temp_dir_name = move_to_temp_dir()
+    sequences = number_of_lines/4;
+    args = [split_program, "-l"+str(lines_per_process), input_filename, file_prefix]
+#    print "The args are: " , args
+    subprocess.call(args)
+#    print "Finished"
+    file_count = 0;
+    keep_checking = True
+    processes = []
+    output_filenames = []
+    while keep_checking: 
+        
+        # only need to support 26x26 different processes, so do it brute force (ie not in a loop) for 2 chars.
+        lastchar = string.letters[file_count % len(string.letters)] 
+        firstchar = string.letters[(file_count / len(string.letters)) % len(string.letters)] 
+        temp_input_filename = "%s%c%c" % (file_prefix, firstchar, lastchar)
+        
+ #       print 'looking for ' + temp_input_filename
+        if os.path.exists(temp_input_filename):
+#            print 'found ' + temp_input_filename
+            temp_output_filename = temp_input_filename + "_output"
+            output_filenames.append(temp_output_filename)
+            p = Process(target=partition, args=([temp_input_filename, temp_output_filename, file_count]))
+            p.start()
+            processes.append(p)
+            file_count = file_count + 1
+        else:
+            break
+    for p in processes :
+        p.join()
+    cat_params = [cat_program]
+    cat_params.extend(output_filenames)
+    with open(output_filename, 'w') as catOutputFile:
+        subprocess.call(cat_params, stdout=catOutputFile)
+    summarize_input = sys.argv[6] == 'summarize_input'
+    input_type = sys.argv[2]
+    output_type = sys.argv[4]
+    print "Groomed %i %s reads into %s reads." % ( sequences, input_type, output_type )
+
+    aggregators = []
+    if summarize_input:
+        for temp_output_filename in output_filenames :
+            with open(temp_output_filename + "_summary", 'r') as summaryLogFile:
+                temp_aggregator = pickle.load(summaryLogFile)
+                aggregators.append(temp_aggregator)
+
+        print_aggregators(aggregators)
+    os.chdir(old_path)
+    shutil.rmtree(temp_dir_name)
+    time2 = time.time()
+    print 'Groomer took: %0.3f ms using %d processes' % (((time2 - t1)*1000.0), number_of_processes)
+
+def calculate_lines_per_process(input_filename, number_of_processes):
+    wc_program = "wc"
+    p = subprocess.Popen([wc_program, "-l", input_filename], stdout=subprocess.PIPE)
+    out, err = p.communicate()
+    number_of_lines = int(string.split(string.lstrip(out), ' ', 1)[0])
+    exact_lines_per_process = number_of_lines * 1.0 / number_of_processes
+    lines_per_process = int(math.ceil((exact_lines_per_process / 4.0))) * 4
+    return lines_per_process,number_of_lines
+
+def move_to_temp_dir():
+    dirExists = False;
+    dir_name = None
+    
+    while not dirExists:
+        dir_name = "temp_groomer_part_" + str(time.time())
+        if not os.path.exists(dir_name):
+            os.makedirs(dir_name)
+            break;
+    os.chdir(dir_name)
+    return dir_name
+
+def print_aggregators(aggregators):
+    total_ascii_range = [None, None]
+    total_decimal_range = [None, None]
+    total_valid_formats = set()
+    for aggregator in aggregators:
+#        print "This aggregators valid formats are: " + str(aggregator.get_valid_formats())
+        total_valid_formats = total_valid_formats.union(set(aggregator.get_valid_formats()))
+        ascii_range = aggregator.get_ascii_range()
+        decimal_range =  aggregator.get_decimal_range()
+        
+        if total_ascii_range[0] is None:
+            total_ascii_range[0] = ascii_range[0]
+        else:
+            total_ascii_range[0] = min (total_ascii_range[0], ascii_range[0]) 
+
+        # max of None and a value is the value
+        total_ascii_range[1] = max (total_ascii_range[1], ascii_range[1]) 
+        if total_decimal_range[0] is None:
+            total_decimal_range[0] = decimal_range[0]
+        else:
+            total_decimal_range[0] = min (total_decimal_range[0], decimal_range[0]) 
+        # max of None and a value is the value
+        total_decimal_range[1] = max (total_decimal_range[1], decimal_range[1]) 
+    print "total_valid_formats= " + str(total_valid_formats)
+    print "Based upon quality and sequence, the input data is valid for: %s" % ( ", ".join( total_valid_formats )  or "None" )
+    print "Input ASCII range: %s(%i) - %s(%i)" % ( repr( total_ascii_range[0] ), ord( total_ascii_range[0] ), repr( total_ascii_range[1] ), ord( total_ascii_range[1] ) ) #print using repr, since \x00 (null) causes info truncation in galaxy when printed
+    print "Input decimal range: %i - %i" % ( total_decimal_range[0], total_decimal_range[1] )        
+                
+
+def partition(input_filename, temp_output_filename, fileCount):
+#    print 'Starting Thread: ' + str(fileCount)
+#    input_filename = sys.argv[1]
+    input_type = sys.argv[2]
+    output_type = sys.argv[4]
+    force_quality_encoding = sys.argv[5]
+    summarize_input = sys.argv[6] == 'summarize_input'
+    if force_quality_encoding == 'None':
+        force_quality_encoding = None
+    aggregator = fastqAggregator()
+    temp_process_file = fastqWriter( open( temp_output_filename, 'wb'), format = output_type, force_quality_encoding = force_quality_encoding )
+    read_count = None
+    if summarize_input:
+        reader = fastqVerboseErrorReader
+    else:
+        reader = fastqReader
+    for read_count, fastq_read in enumerate( reader( open(input_filename, 'rb'), format = input_type, apply_galaxy_conventions = True ) ):
+        if summarize_input:
+            aggregator.consume_read( fastq_read )
+        temp_process_file.write( fastq_read )
+#        print "Just wrote (%d): " % read_count + str(fastq_read)
+    temp_process_file.close()
+    if read_count is not None:
+        if input_type != output_type and 'solexa' in [ input_type, output_type ]:
+            print "Converted between Solexa and PHRED scores."
+        if summarize_input:
+            with open(temp_output_filename + "_summary", 'w') as summaryLogFile :
+                pickle.dump(aggregator, summaryLogFile)
+    else:
+        print "No valid FASTQ reads were provided."
+
+if __name__ == "__main__": main()
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/fastq_groomer_parallel/fastq_groomer_parallel.xml	Thu Sep 13 02:45:57 2012 -0400
@@ -0,0 +1,71 @@
+<tool id="fastq_groomer_parallel" name="FASTQ Parallel Groomer" version="0.1">
+  <description>Parallel Implementation of FASTQ Groomer</description>
+  <command interpreter="python">fastq_groomer_parallel.py '$input_file' '$input_type' '$output_file'
+#if str( $options_type['options_type_selector'] ) == 'basic':
+#if str( $input_type ) == 'cssanger':
+'cssanger'
+#else:
+'sanger'
+#end if
+'ascii' 'summarize_input'
+#else:
+'${options_type.output_type}' '${options_type.force_quality_encoding}' '${options_type.summarize_input}'
+#end if
+'8'
+</command>
+  <inputs>
+    <param name="input_file" type="data" format="fastq" label="File to groom" />
+    <param name="input_type" type="select" label="Input FASTQ quality scores type">
+      <option value="solexa">Solexa</option>
+      <option value="illumina">Illumina 1.3-1.7</option>
+      <option value="sanger" selected="True">Sanger</option>
+      <option value="cssanger">Color Space Sanger</option>
+    </param>
+    <conditional name="options_type">
+    <param name="options_type_selector" type="select" label="Advanced Options">
+      <option value="basic" selected="True">Hide Advanced Options</option>
+      <option value="advanced">Show Advanced Options</option>
+    </param>
+    <when value="basic">
+      <!-- no options -->
+    </when>
+    <when value="advanced">
+      <param name="output_type" type="select" label="Output FASTQ quality scores type" help="Galaxy tools are designed to work with the Sanger Quality score format.">
+        <option value="solexa">Solexa</option>
+        <option value="illumina">Illumina 1.3+</option>
+        <option value="sanger" selected="True">Sanger (recommended)</option>
+        <option value="cssanger">Color Space Sanger</option>
+      </param>
+      <param name="force_quality_encoding" type="select" label="Force Quality Score encoding">
+        <option value="None">Use Source Encoding</option>
+        <option value="ascii" selected="True">ASCII</option>
+        <option value="decimal">Decimal</option>
+      </param>
+      <param name="summarize_input" type="select" label="Summarize input data">
+        <option value="summarize_input" selected="True">Summarize Input</option>
+        <option value="dont_summarize_input">Do not Summarize Input (faster)</option>
+      </param>
+    </when>
+  </conditional>
+  </inputs>
+  <outputs>
+    <data name="output_file" format="fastqsanger">
+      <change_format>
+        <when input="input_type" value="cssanger" format="fastqcssanger" />
+        <when input="options_type.output_type" value="solexa" format="fastqsolexa" />
+        <when input="options_type.output_type" value="illumina" format="fastqillumina" />
+        <when input="options_type.output_type" value="sanger" format="fastqsanger" />
+        <when input="options_type.output_type" value="cssanger" format="fastqcssanger" />
+      </change_format>
+    </data>
+  </outputs>
+  <tests>
+    <!-- These tests include test files adapted from supplemental material in Cock PJ, Fields CJ, Goto N, Heuer ML, Rice PM. The Sanger FASTQ file format for sequences with quality scores, and the Solexa/Illumina FASTQ variants. Nucleic Acids Res. 2009 Dec 16. -->
+    <!-- Unfortunately, cannot test for expected failures -->
+  </tests>
+  <help>
+**What it does**
+
+This is a parallel implementation of FASTQ Groomer. It utilizes multiple CPUs thus runs much faster than the original implementation.
+  </help>
+</tool>