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mod_settings.py
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mod_settings.py
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import os
import ConfigParser
import simplejson
import itertools
import shutil
import datetime
import mod_utils
class mod_settings:
def __init__(self, settings_file):
self.settings_file = settings_file
self.process_settings(settings_file)
self.rRNA_seqs = mod_utils.convertFastaToDict(self.get_rRNA_fasta())
def get_force_recount(self, count_type):
return self.settings['force_%s_recount' % count_type]
def get_settings_file(self):
return self.settings_file
def get_property(self, property, default=None):
try:
if not property in self.settings and default != None:
return default
return self.settings[property]
except:
print self.settings
raise ValueError('cannot find %s' % property)
def get_rdir(self):
mod_utils.make_dir(self.rdir)
return self.rdir
def get_wdir(self):
mod_utils.make_dir(self.wdir)
return self.wdir
def iter_lib_settings(self):
for i in range(len(self.sample_names)):
yield mod_lib_settings(self,
self.sample_names[i],
self.fastq_gz_file_handles[i])
def process_settings(self, settings_file):
"""
- reads the settings file and converts str to float, list, etc.
- stores result in self.settings as a dict()
"""
int_keys = [ 'first_base_to_keep', 'last_base_to_keep', 'min_post_adaptor_length', 'min_base_quality', 'min_mapping_quality']
float_keys = ['confidence_interval_cutoff', 'fold_change_cutoff', 'winsorization_upper_limit']
str_keys = ['adaptor_sequence', 'rrna_fasta', 'experiment_name', 'affected_nucleotides', 'pymol_base_script', 'pymol_base_script_colorchange', 'tptn_file_18s', 'tptn_file_25s']
boolean_keys = ['make_interactive_plots']
list_str_keys = ['fastq_gz_files', 'sample_names', 'experimentals', 'no_mod_controls', 'with_mod_controls', 'exclude_constitutive']
#list_float_keys = ['probe_concentrations']
config = ConfigParser.ConfigParser()
config.read(settings_file)
settings = {}
for section in config.sections():
for option in config.options(section):
settings[option] = config.get(section, option)
settings[section] = True
for k in int_keys:
settings[k] = int(settings[k])
for k in str_keys:
settings[k] = settings[k]
for k in float_keys:
settings[k] = float(settings[k])
for k in boolean_keys:
if not settings[k].lower() in ['true', 'false']:
raise ValueError(
'Boolean value %s must be "true" or "false"' % k)
settings[k] = settings[k].lower() == 'true'
#for k in list_float_keys:
# settings[k] = map(float, simplejson.loads(settings[k]))
#for k in list_int_keys:
# settings[k] = map(int, simplejson.loads(settings[k]))
for k in list_str_keys:
settings[k] = simplejson.loads(settings[k])
self.fqdir = settings['fastq_dir']
self.sample_names = settings['sample_names']
self.experimentals = settings['experimentals']
self.no_mod_controls = settings['no_mod_controls']
self.with_mod_controls = settings['with_mod_controls']
self.exclude_constitutive = settings['exclude_constitutive']
try:
assert len(self.experimentals) == len(self.no_mod_controls)
assert len(self.experimentals) == len(self.with_mod_controls)
except:
print 'error: experimentals, no_mod_controls, and with_mod_controls should all be the same length'
print 'for mutation rate purposes, its ok to reuse a dataset here, it really doesnt matter'
try:
for sample_name in self.experimentals+self.no_mod_controls+self.with_mod_controls:
assert sample_name in self.sample_names
except:
print sample_name, ' not in sample names, make sure you are using regular quotation marks'
self.fastq_gz_file_handles = [os.path.join(self.fqdir, fastq_gz_file) for fastq_gz_file in
settings['fastq_gz_files']]
for file_handle in self.fastq_gz_file_handles:
assert mod_utils.file_exists(file_handle)
self.settings = settings
self.rdir = settings['results_dir']
mod_utils.make_dir(self.rdir)
shutil.copy(settings_file, self.rdir)
def get_rRNA_fasta(self):
return self.get_property('rrna_fasta')
def get_star_index(self):
index = os.path.join(
self.get_rdir(),
'star_index')
return index
def star_index_exists(self):
star_index = self.get_star_index()
return mod_utils.file_exists(star_index)
def get_log(self):
log = os.path.join(
self.get_rdir(),
'log.txt')
return log
def write_to_log(self, text, add_time = True):
f = open(self.get_log(), 'a')
now = datetime.datetime.now()
time = now.strftime("%Y-%m-%d %H:%M")
if add_time:
f.write('[%s] %s\n' % (time, text))
else:
f.write(text)
f.close()
def get_shapemapper_config_file(self):
fname = os.path.join(
self.get_rdir(),
'trimmed_reads',
'shapemapper_settings.cfg')
return fname
class mod_lib_settings:
def __init__(self, experiment_settings, sample_name, fastq_gz_filehandle):
self.experiment_settings = experiment_settings
self.sample_name = sample_name
self.fastq_gz_filehandle = fastq_gz_filehandle
def get_property(self, property):
return self.experiment_settings.get_property(property)
def get_log(self):
mod_utils.make_dir(os.path.join(self.experiment_settings.get_rdir(), 'logs'))
log = os.path.join(
self.experiment_settings.get_rdir(),
'logs',
'%(sample_name)s.log' %
{'sample_name': self.sample_name})
return log
def write_to_log(self, text, add_time = True):
f = open(self.get_log(), 'a')
now = datetime.datetime.now()
time = now.strftime("%Y-%m-%d %H:%M")
if add_time:
f.write('[%s] %s\n' % (time, text))
else:
f.write(text)
f.close()
def get_fastq_file(self):
return self.fastq_gz_filehandle
def get_adaptor_trimmed_reads(self, prefix_only=False):
if prefix_only:
trimmed_reads = os.path.join(
self.experiment_settings.get_rdir(),
'adaptor_removed',
'%(sample_name)s' %
{'sample_name': self.sample_name})
else:
trimmed_reads = os.path.join(
self.experiment_settings.get_rdir(),
'adaptor_removed',
'%(sample_name)s-trimmed.fastq.gz' %
{'sample_name': self.sample_name})
return trimmed_reads
def get_trimmed_reads(self):
trimmed_reads = os.path.join(
self.experiment_settings.get_rdir(),
'trimmed_reads',
'%(sample_name)s.trimmed.fastq.gz' %
{'sample_name': self.sample_name})
return trimmed_reads
def get_shapemapper_out_dir(self):
shapemapper_out = os.path.join(
self.experiment_settings.get_rdir(),
'shapemapper',
'%(sample_name)s_out' %
{'sample_name': self.sample_name})
return shapemapper_out
def get_shapemapper_log(self):
shapemapper_out = os.path.join(
self.experiment_settings.get_rdir(),
'shapemapper',
'%(sample_name)s_out' %
{'sample_name': self.sample_name}, '%(sample_name)s_shapemapper.log' %
{'sample_name': self.sample_name})
return shapemapper_out
def get_shapemapper_temp_dir(self):
shapemapper_temp = os.path.join(
self.experiment_settings.get_rdir(),
'shapemapper',
'%(sample_name)s_temp' %
{'sample_name': self.sample_name})
return shapemapper_temp
def get_counting_prefix(self):
return os.path.join(
self.experiment_settings.get_rdir(),
'read_counts',
'%(sample_name)s' %
{'sample_name': self.sample_name})
def get_mapped_reads_prefix(self):
mapped_reads = os.path.join(self.experiment_settings.get_rdir(), 'mapped_reads',
'%(sample_name)s' % {'sample_name': self.sample_name})
return mapped_reads
def get_mapped_reads(self):
mapped_reads = '%(prefix)sAligned.sortedByCoord.out.bam' % {'prefix': self.get_mapped_reads_prefix()}
return mapped_reads
def get_5p_count_wig(self):
wig = '%(prefix)sSignal.Unique.str1.out.wig' % {'prefix': self.get_mapped_reads_prefix()}
return wig
def read_5p_counts_exists(self):
return mod_utils.file_exists(self.get_read_5p_counts())
def get_mutation_counts(self):
return os.path.join(
self.experiment_settings.get_rdir(),
'read_counts',
'%(sample_name)s.mutations.pkl' %
{'sample_name': self.sample_name})
def mutation_counts_exists(self):
return mod_utils.file_exists(self.get_mutation_counts())
def adaptorless_reads_exist(self):
adaptorless_reads = self.get_adaptor_trimmed_reads()
return mod_utils.file_exists(adaptorless_reads)
def trimmed_reads_exist(self):
trimmed_reads = self.get_trimmed_reads()
return mod_utils.file_exists(trimmed_reads)
def mapped_reads_exist(self):
mapped_reads = self.get_mapped_reads()
return mod_utils.file_exists(mapped_reads)