class TaxaClassifier(object):
"""Can assign taxonomy to a FASTA file of random shotgun sequences."""
all_paths = """
/tree.txt
/annot.txt
/graph.xml
/graph.png
"""
def __repr__(self): return '<%s object of %s>' % (self.__class__.__name__, self.parent)
def __init__(self):
# Files #
self.taxa_file = FilePath(self.base_dir + self.sample.name + '.txt')
self.class_out_file = FilePath(self.base_dir + self.sample.type + '.txt')
self.class_out_file.link_from(self.taxa_file, safe=True)
# NMDS #
self.coord = (0,0)
def make_graph(self):
# Convert #
graphconv = sh.Command(home + "share/metaphlan/plotting_scripts/metaphlan2graphlan.py")
graphconv(self.taxa_file, '--tree_file', self.p.tree, '--annot_file', self.p.annot)
# Annotate #
annotate = sh.Command(home + "share/graphlan/graphlan_annotate.py")
annotate('--annot', self.p.annot, self.p.tree, self.p.xml)
# Graph #
graphlan = sh.Command(home + "share/graphlan/graphlan.py")
graphlan('--dpi', 200, self.p.xml, self.p.png)
def overwrite_cache(self, value):
# Where should we look in the file system ? #
if 'cache_dir' in self.__dict__:
path = FilePath(self.__dict__['cache_dir'] + f.func_name + '.pickle')
else:
path = getattr(self.p, f.func_name)
if value is None: path.remove()
else: raise Exception("You can't set a pickled property, you can only delete it")
class Project(Aggregate):
"""A project containing several samples. You can describe your
projects in the a JSON placed in the repository."""
all_paths = Aggregate.all_paths + """
/info.json
/samples/
"""
def __repr__(self): return '<%s object "%s" with %i samples>' % \
(self.__class__.__name__, self.name, len(self))
def __init__(self, json_path, project_dir):
# Parse the json file describing the project #
self.json_path = FilePath(json_path)
with open(json_path) as handle: self.info = json.load(handle)
# Required parameters #
self.num = self.info['project_num']
self.name = self.info['project_name']
self.long_name = self.info['project_long_name']
# Optional parameters #
self.abstract = self.info.get('abstract')
self.run_name = self.info.get('illumina_run_id')
self.account = self.info.get('uppmax_project_id')
# Base directory #
self.base_dir = project_dir + self.name + '/'
# Delayed init #
self.loaded = False
def load(self):
"""A delayed kind of __init__ that is not called right away to avoid
crowding the RAM of the python interpreter when you just import gefes"""
# Load #
self.loaded = True
# Automatic paths #
self.p = AutoPaths(self.base_dir, self.all_paths)
# Make an alias to the json #
self.json_path.link_to(self.p.info_json, safe=True)
# Make all the samples object that this project possesses #
if self.info.get('auto_parse_samples'):
search_dir = self.info['samples_base_dir']
search_dir = os.path.expanduser(search_dir)
paths = glob.glob(search_dir + '*.fastq*')
if not paths: paths = glob.glob(search_dir + '*.fasta*')
if not paths: raise Exception("Found no FASTA or FASTQ path in %s" % search_dir)
if all([re.search("_R[12]_", p) for p in paths]): pairs = join_paired_filepaths(paths)
else: pairs = sort_string_by_pairs(paths)
self.samples = [Sample(self, p[0], p[1], num=i) for i,p in enumerate(pairs)]
self.samples.sort(key=lambda x: natural_sort(x.name))
else:
self.samples = [Sample(self, info=info) for info in self.info['samples']]
# The samples of a project are it's children in a way #
self.children = self.samples
# Call the mother function #
return Aggregate.load(self)
def __init__(self):
# Files #
self.taxa_file = FilePath(self.base_dir + self.sample.name + '.txt')
self.class_out_file = FilePath(self.base_dir + self.sample.type + '.txt')
self.class_out_file.link_from(self.taxa_file, safe=True)
# NMDS #
self.coord = (0,0)
def set_paths(self, base_dir, script_path):
"""Set the directory, the script path and the outfile path"""
# Make absolute paths #
if 'change_dir' in self.kwargs:
self.kwargs['change_dir'] = DirectoryPath(os.path.abspath(self.kwargs['change_dir']))
if 'out_file' in self.kwargs:
self.kwargs['out_file'] = FilePath(os.path.abspath(self.kwargs['out_file']))
# In case there is a base directory #
if base_dir is not None:
self.base_dir = DirectoryPath(os.path.abspath(base_dir))
self.script_path = FilePath(base_dir + "run." + self.extensions[self.language])
self.kwargs['change_dir'] = base_dir
self.kwargs['out_file'] = FilePath(base_dir + "run.out")
# Other cases #
if base_dir is None and script_path is None: self.script_path = FilePath(new_temp_path())
if script_path is not None: self.script_path = FilePath(os.path.abspath(script_path))
def build_tree_raxml(self,
new_path=None,
seq_type='nucl' or 'prot',
num_threads=None,
free_cores=2,
keep_dir=False):
"""Make a tree with RAxML."""
# Check output #
if new_path is None: new_path = self.prefix_path + '.tree'
# What model to choose #
if seq_type == 'nucl': model = "GTRGAMMA"
if seq_type == 'prot': model = "PROTGAMMAJTTF"
# Threads #
if num_threads is None:
num_threads = multiprocessing.cpu_count() - free_cores
else:
num_threads = int(num_threads) - free_cores
num_threads = max(1, num_threads)
# Run it #
temp_dir = new_temp_dir()
sh.raxml811('-m', model, "-T", num_threads, '-p', 1, '-s', self.path,
'-n', 'tree', '-w', temp_dir, '-f', 'a', '-x', 1, '-N',
'autoMR')
# Move into place #
if keep_dir:
shutil.rmtree(new_path)
shutil.move(temp_dir, new_path)
if not keep_dir:
shutil.move(temp_dir + 'RAxML_bestTree.tree', new_path)
# Return #
return FilePath(new_path)
def __init__(self, base_dir=None):
# Base directory #
if base_dir is None: base_dir = home
self.base_dir = base_dir + 'databases/' + self.short_name + '/'
self.p = AutoPaths(self.base_dir, self.all_paths)
# The results #
self.alignment = FASTA(self.p.mothur_fasta)
self.taxonomy = FilePath(self.p.mothur_tax)
# The part that mothur will use for naming files #
self.nickname = "foram_mothur"
def build_tree_fast(self, new_path=None, seq_type='nucl' or 'prot'):
"""Make a tree with FastTree. Names will be truncated however."""
# Check output #
if new_path is None: new_path = self.prefix_path + '.tree'
# Command #
command_args = []
if seq_type == 'nucl': command_args += ['-nt']
command_args += ['-gamma']
command_args += ['-out', new_path]
command_args += [self.path]
# Run it #
sh.FastTree(*command_args)
# Return #
return FilePath(new_path)
def __init__(self, json_path, project_dir):
# Parse the json file describing the project #
self.json_path = FilePath(json_path)
with open(json_path) as handle: self.info = json.load(handle)
# Required parameters #
self.num = self.info['project_num']
self.name = self.info['project_name']
self.long_name = self.info['project_long_name']
# Optional parameters #
self.abstract = self.info.get('abstract')
self.run_name = self.info.get('illumina_run_id')
self.account = self.info.get('uppmax_project_id')
# Base directory #
self.base_dir = project_dir + self.name + '/'
# Delayed init #
self.loaded = False
def tree(self):
"""The path to the tree built with raxml"""
tree = FilePath(self.p.tree_dir + 'RAxML_bestTree.tree')
if not tree.exists:
# Check we can do it #
if self.gaps_in_alignment:
message = "Can't build a tree for cluster %i because of gaps. Skipping."
warnings.warn(message % self.num)
return None
# Do it #
self.alignment.build_tree(new_path=self.p.tree_dir,
seq_type=self.analysis.seq_type,
num_threads=self.analysis.num_threads,
free_cores=0,
keep_dir=True)
return tree
def set_paths(self, base_dir, script_path):
"""Set the directory, the script path and the outfile path"""
# Make absolute paths #
if 'change_dir' in self.kwargs:
self.kwargs['change_dir'] = DirectoryPath(
os.path.abspath(self.kwargs['change_dir']))
if 'out_file' in self.kwargs:
self.kwargs['out_file'] = FilePath(
os.path.abspath(self.kwargs['out_file']))
# In case there is a base directory #
if base_dir is not None:
self.base_dir = DirectoryPath(os.path.abspath(base_dir))
self.script_path = FilePath(base_dir + "run." +
self.extensions[self.language])
self.kwargs['change_dir'] = base_dir
self.kwargs['out_file'] = FilePath(base_dir + "run.out")
# Other cases #
if base_dir is None and script_path is None:
self.script_path = FilePath(new_temp_path())
if script_path is not None:
self.script_path = FilePath(os.path.abspath(script_path))
def __init__(self, path, parent):
# Save parent #
self.parent, self.pool = parent, parent
self.samples = parent.samples
# Auto paths #
self.base_dir = parent.p.quality_dir + '/'
self.p = AutoPaths(self.base_dir, self.all_paths)
# Files #
self.untrimmed = BarcodedFASTQ(path, samples=self.samples)
self.only_used = BarcodedFASTA(self.p.only_used, samples=self.samples)
self.trimmed = FASTA(self.p.trimmed)
# Qiime output #
self.qiime_fasta = FASTA(self.p.qiime_fasta)
# Mothur #
self.mothur_fasta = FASTA(self.p.mothur_fasta)
self.mothur_qual = QualFile(self.p.mothur_qual)
self.mothur_groups = FilePath(self.p.mothur_groups)
# Primer size #
self.trim_fwd = self.pool.samples.trim_fwd
self.trim_rev = self.pool.samples.trim_rev
def __init__(self, cluster):
# Save parent #
self.cluster, self.parent = cluster, cluster
# Inherited #
self.samples = self.parent.samples
# Paths #
self.base_dir = self.parent.p.otus_dir + self.short_name + '/'
self.p = AutoPaths(self.base_dir, self.all_paths)
# Main FASTA file #
self.reads = self.parent.reads
# Files #
self.all_otus = FilePath(self.p.all_otus)
self.all_centers = FASTA(self.p.all_centers)
self.otus = FilePath(self.base_dir + "otus.txt")
self.centers = FASTA(self.base_dir + "centers.fasta")
# Taxonomy #
self.taxonomy_silva = CrestTaxonomy(self.centers, self, 'silvamod', self.p.silva)
self.taxonomy_fw = CrestTaxonomy(self.centers, self, 'freshwater', self.p.fw_dir)
# Preferred one #
self.taxonomy = self.taxonomy_silva
def retrieve_from_cache(self):
# Is it in the cache ? #
if '__cache__' not in self.__dict__: self.__cache__ = {}
if f.__name__ in self.__cache__: return self.__cache__[f.__name__]
# Where should we look in the file system ? #
if 'cache_dir' in self.__dict__:
path = FilePath(self.__dict__['cache_dir'] + f.func_name +
'.pickle')
else:
path = getattr(self.p, f.func_name)
# Is it on disk ? #
if path.exists:
with open(path) as handle:
result = pickle.load(handle)
self.__cache__[f.__name__] = result
return result
# Otherwise let's compute it #
result = f(self)
with open(path, 'w') as handle:
pickle.dump(result, handle)
self.__cache__[f.__name__] = result
return result
class Foraminifera(Database):
"""This is a custom database containing exlcusively Foraminifera sequences.
https://genev.unige.ch/research/laboratory/Jan-Pawlowski
You should place the file "foram_db_cor.fasta" in: ~/databases/foraminifera/
Then you can run this:
from seqsearch.databases.foraminifera import foraminifera
foraminifera.process()
print foraminifera.tax_depth_freq
"""
short_name = "foraminifera"
long_name = 'The custom made Foraminifera database as received by email on 7th April 2017'
all_paths = """
/foram_db_cor.fasta
/foram_mothur.fasta
/foram_mothur.tax
"""
@property
def rank_names(self):
"""The names of the ranks. Total 9 ranks."""
return ['Domain', # 0
'Kingdom', # 1
'Phylum', # 2
'Class', # 3
'Order', # 4
'Family', # 5
'Tribe', # 6
'Genus', # 7
'Species'] # 8
def __init__(self, base_dir=None):
# Base directory #
if base_dir is None: base_dir = home
self.base_dir = base_dir + 'databases/' + self.short_name + '/'
self.p = AutoPaths(self.base_dir, self.all_paths)
# The results #
self.alignment = FASTA(self.p.mothur_fasta)
self.taxonomy = FilePath(self.p.mothur_tax)
# The part that mothur will use for naming files #
self.nickname = "foram_mothur"
def process(self):
# The file that was received by email without documentation T_T #
raw = FASTA(self.p.cor)
# Open files #
self.alignment.create()
self.taxonomy.create()
# Loop #
for seq in raw:
# Parse #
name = seq.id[11:].split('|')
num = name.pop(0)
# Check #
for x in name: assert ';' not in x
for x in name: assert '\t' not in x
# Make ranks #
ranks = ['Eukaryota' , # 0 Domain
'Rhizaria' , # 1 Kingdom
'Foraminifera' , # 2 Phylum
name[0] , # 3 Class
name[1] , # 4 Order
name[2] , # 5 Family
name[3] , # 6 Tribe
name[4] , # 7 Genus
name[5]] # 8 Species
# The taxonomy string #
tax_line = ';'.join(ranks)
# Add sequence to the new fasta file #
self.alignment.add_str(str(seq.seq), name="foram" + num)
# Add the taxonomy to the tax file #
self.taxonomy.add_str("foram" + num + '\t' + tax_line + '\n')
# Close files #
self.alignment.close()
self.taxonomy.close()
def web_export(self):
"""Copy the report to the webexport directory where it can be viewed by anyone"""
dest = FilePath(("/proj/%s/webexport/" + self.location) % self.sample.account)
dest.make_directory()
shutil.copy(self.output_path, dest)
class JobSLURM(object):
"""Makes launching SLURM jobs easy to write and easy to use. Here are some
examples on how to use this class:
for command in ['print "hi"', 'print "hello"']:
job = JobSLURM(command, time='00:01:00', qos='short')
job.run()
for path in ['~/data/scafolds1.txt', '~/data/scafolds2.txt', '~/data/scafolds3.txt']:
command = ['import sh\n']
command += ['script = sh.Command("analyze.py")\n']
command += ['script(%s)' % path]
job = JobSLURM(command, time='00:01:00', qos='short', job_name=path[-25:])
job.run()
print "Job %i is running !" % job.id
Then you can easily check the status of your job and the standard out that is associated:
print job.status
print job.log_tail
print job.info['time_left']
etc.
"""
extensions = {'bash': "sh", 'python': "py"}
shebang_headers = {
'bash': ["#!/bin/bash -le"], # As a login shell and stop on error
'python': ["#!/usr/bin/env python"]
}
slurm_headers = OrderedDict((
('job_name', {
'tag': '#SBATCH -J %s',
'needed': True
}),
('change_dir', {
'tag': '#SBATCH -D %s',
'needed': True,
'default': os.path.abspath(os.getcwd())
}),
('out_file', {
'tag': '#SBATCH -o %s',
'needed': True,
'default': '/dev/null'
}),
('project', {
'tag': '#SBATCH -A %s',
'needed': False,
'default': 'b2011035'
}),
('time', {
'tag': '#SBATCH -t %s',
'needed': True,
'default': '7-00:00:00'
}),
('machines', {
'tag': '#SBATCH -N %s',
'needed': True,
'default': '1'
}),
('cores', {
'tag': '#SBATCH -n %s',
'needed': True,
'default': num_processors
}),
('partition', {
'tag': '#SBATCH -p %s',
'needed': True,
'default': 'node'
}),
('email', {
'tag': '#SBATCH --mail-user %s',
'needed': False,
'default': os.environ.get('EMAIL')
}),
('email-when', {
'tag': '#SBATCH --mail-type=%s',
'needed': True,
'default': 'END'
}),
('qos', {
'tag': '#SBATCH --qos=%s',
'needed': False,
'default': 'short'
}),
('dependency', {
'tag': '#SBATCH -d %s',
'needed': False,
'default': 'afterok:1'
}),
('constraint', {
'tag': '#SBATCH -C %s',
'needed': False,
'default': 'fat'
}),
('cluster', {
'tag': '#SBATCH -M %s',
'needed': False,
'default': 'milou'
}),
('alloc', {
'tag': '#SBATCH --reservation=%s',
'needed': False,
'default': 'workstation'
}),
('jobid', {
'tag': '#SBATCH --jobid=%i',
'needed': False,
'default': 2173455
}),
('memory', {
'tag': '#SBATCH --mem=%i',
'needed': False,
'default': 120000
}),
('mem_per_cpu', {
'tag': '#SBATCH --mem-per-cpu=%i',
'needed': False,
'default': 512
}),
('threads', {
'tag': '#SBATCH --cpus-per-task=%i',
'needed': False,
'default': num_processors
}),
))
script_headers = {
'bash': ['echo "SLURM: start at $(date) on $(hostname)"'],
'python': [
'import dateutil.tz, datetime, platform',
'now = datetime.datetime.now(dateutil.tz.tzlocal())',
r'now = now.strftime("%Y-%m-%d %Hh%Mm%Ss %Z%z")',
'node = platform.node()',
'print "SLURM: start at {0} on {1}".format(now, node)'
]
}
script_footers = {
'bash': ['echo "SLURM: end at $(date)"'],
'python': [
'now = datetime.datetime.now(dateutil.tz.tzlocal())',
r'now = now.strftime("%Y-%m-%d %Hh%Mm%Ss %Z%z")',
'print "SLURM: end at {0}".format(now)'
]
}
def __repr__(self):
return '<%s object "%s">' % (self.__class__.__name__, self.name)
@property
def name(self):
return self.kwargs['job_name']
def __init__(self,
command=["print 'Hello world'"],
language='python',
base_dir=None,
script_path=None,
**kwargs):
# Required attributes #
self.command = command
self.language = language
self.kwargs = kwargs
# Set the file paths #
self.set_paths(base_dir, script_path)
# Check command type #
if not isinstance(self.command, list): self.command = [self.command]
# Get the name #
if 'job_name' not in self.kwargs:
hashed = hashlib.md5(''.join(self.command)).digest()
encoded = base64.urlsafe_b64encode(hashed)
self.kwargs['job_name'] = encoded
# Check we have a project otherwise choose the one with less hours #
if hostname.startswith('milou'):
if 'project' not in self.kwargs and 'SBATCH_ACCOUNT' not in os.environ:
if projects: self.kwargs['project'] = projects[0]['name']
def set_paths(self, base_dir, script_path):
"""Set the directory, the script path and the outfile path"""
# Make absolute paths #
if 'change_dir' in self.kwargs:
self.kwargs['change_dir'] = DirectoryPath(
os.path.abspath(self.kwargs['change_dir']))
if 'out_file' in self.kwargs:
self.kwargs['out_file'] = FilePath(
os.path.abspath(self.kwargs['out_file']))
# In case there is a base directory #
if base_dir is not None:
self.base_dir = DirectoryPath(os.path.abspath(base_dir))
self.script_path = FilePath(base_dir + "run." +
self.extensions[self.language])
self.kwargs['change_dir'] = base_dir
self.kwargs['out_file'] = FilePath(base_dir + "run.out")
# Other cases #
if base_dir is None and script_path is None:
self.script_path = FilePath(new_temp_path())
if script_path is not None:
self.script_path = FilePath(os.path.abspath(script_path))
@property_cached
def slurm_params(self):
"""The list of parameters to give to the `sbatch` command."""
# Main loop #
result = OrderedDict()
for param, info in self.slurm_headers.items():
if not info['needed'] and not param in self.kwargs: continue
if param in self.kwargs: result[param] = self.kwargs.get(param)
else: result[param] = info['default']
# Special cases #
if result.get('cluster') == 'halvan': result['partition'] = 'halvan'
# Return #
return result
@property
def script(self):
"""The script to be submitted to the SLURM queue."""
self.shebang_header = self.shebang_headers[self.language]
self.slurm_header = [
self.slurm_headers[k]['tag'] % v
for k, v in self.slurm_params.items()
]
self.script_header = self.script_headers[self.language]
self.script_footer = self.script_footers[self.language]
return '\n'.join(
flatter([
self.shebang_header, self.slurm_header, self.script_header,
self.command, self.script_footer
]))
def make_script(self):
"""Make the script and return a FilePath object pointing to the script above."""
self.script_path.write(self.script)
self.script_path.permissions.make_executable()
return self.script_path
@property
def log(self):
"""The log as a FilePath object"""
return self.slurm_params['out_file']
@property
def log_tail(self):
"""If we have a log file, what is its tail"""
if not self.kwargs['out_file'].exists: return False
else: return tail(self.slurm_params['out_file'])
@property
def status(self):
"""What is the status of the job ?"""
# If there is no script it is either ready or a lost duplicate #
if not self.script_path.exists:
if self.name in jobs.names: return "DUPLICATE"
if self.name not in jobs.names: return "READY"
# It is submitted already #
if self.name in jobs.names:
if jobs[self.name]['type'] == 'queued': return "QUEUED"
if jobs[self.name]['type'] == 'running': return "RUNNING"
# So the script exists for sure but it is not in the queue #
if not self.kwargs['out_file'].exists: return "ABORTED"
# Let's look in log file #
if 'CANCELED' in self.log_tail: return "CANCELLED"
if 'slurmstepd: error' in self.log_tail: return "CANCELLED"
# It all looks good #
if 'SLURM: end at' in self.log_tail: return "FINISHED"
# At this point we have no idea #
return "INTERUPTED"
@property
def info(self):
"""Get the existing job information dictionary"""
if self.name not in jobs: return {'status': self.status}
else: return jobs[self.name]
#-------------------------------------------------------------------------#
def run(self):
"""Will call self.launch() after performing some checks"""
# Check already exists #
if self.status == "READY": return self.launch()
# Check name conflict #
if self.status == "DUPLICATE":
message = "Job with same name '%s' already in queue, but we lost the script."
if self.status == "QUEUED": message = "Job '%s' already in queue."
if self.status == "RUNNING": message = "Job '%s' already running."
if self.status == "FINISHED":
message = "Job '%s' already ended successfully."
if self.status == "ABORTED":
message = "Job '%s' was killed without any output file (?)."
if self.status == "CANCELED":
message = "Job '%s' was canceled or killed while running."
if self.status == "INTERUPTED":
message = "Job '%s' is not running. We don't know why. Look at the log file."
print Color.i_red + message % (self.name, ) + Color.end
print "Job might have run already (?). Not starting."
def launch(self):
"""Make the script file and return the newly created job id"""
# Make script file #
self.make_script()
# Do it #
sbatch_out = sh.sbatch(self.script_path)
jobs.expire()
# Message #
print Color.i_blu + "SLURM:" + Color.end + " " + str(sbatch_out),
# Return id #
self.id = int(
re.findall("Submitted batch job ([0-9]+)", str(sbatch_out))[0])
return self.id
def cancel(self):
if self.status != "QUEUED" and self.status != "RUNNING":
raise Exception("Can't cancel job '%s'" % self.name)
sh.scancel(self.info['jobid'])
def wait(self):
"""Wait until the job is finished"""
pass
#-------------------------------------------------------------------------#
def run_locally(self):
"""A convenience method to run the same result as a SLURM job
but locally in a non-blocking way. Useful for testing."""
self.thread = threading.Thread(target=self.execute_locally)
self.thread.daemon = True # So that they die when we die
self.thread.start()
def execute_locally(self):
"""Runs the equivalent command locally in a blocking way."""
# Make script file #
self.make_script()
# Do it #
with open(self.kwargs['out_file'], 'w') as handle:
sh.python(self.script_path, _out=handle, _err=handle)
def wait_locally(self):
"""If you have run the query in a non-blocking way, call this method to pause
until the query is finished."""
try:
self.thread.join(
sys.maxint) # maxint timeout so that we can Ctrl-C them
except KeyboardInterrupt:
print "Stopped waiting on job '%s'" % self.kwargs['job_name']
class QualityReads(object):
"""A set of sequences determined to be quality controlled"""
all_paths = """
/mothur_reads.fasta
/mothur_reads.qual
/mothur_groups.tsv
/qiime_reads.fasta
/only_used_samples.fasta
/trimmed.fasta
"""
def __repr__(self): return '<%s object of %s>' % (self.__class__.__name__, self.parent)
def __len__(self): return len(self.trimmed)
def __init__(self, path, parent):
# Save parent #
self.parent, self.pool = parent, parent
self.samples = parent.samples
# Auto paths #
self.base_dir = parent.p.quality_dir + '/'
self.p = AutoPaths(self.base_dir, self.all_paths)
# Files #
self.untrimmed = BarcodedFASTQ(path, samples=self.samples)
self.only_used = BarcodedFASTA(self.p.only_used, samples=self.samples)
self.trimmed = FASTA(self.p.trimmed)
# Qiime output #
self.qiime_fasta = FASTA(self.p.qiime_fasta)
# Mothur #
self.mothur_fasta = FASTA(self.p.mothur_fasta)
self.mothur_qual = QualFile(self.p.mothur_qual)
self.mothur_groups = FilePath(self.p.mothur_groups)
# Primer size #
self.trim_fwd = self.pool.samples.trim_fwd
self.trim_rev = self.pool.samples.trim_rev
def filter_unused(self):
def no_unused_iterator(reads):
for r in reads.parse_barcodes():
if r.first.sample.used: yield r.read
self.only_used.write(no_unused_iterator(self.untrimmed))
def trim_primers(self):
def no_primers_iterator(reads):
for read in reads:
yield read[self.trim_fwd:-self.trim_rev]
self.trimmed.write(no_primers_iterator(self.only_used))
def make_mothur_output(self):
# Trimmed fasta #
self.mothur_fasta.link_from(self.trimmed.path)
# The groups file #
self.mothur_groups.create()
for r in self.only_used.parse_barcodes():
sample_name = r.first.sample.short_name
read_name = '%s\t%s\n' % (r.read.id, sample_name)
self.mothur_groups.handle.write(read_name)
self.mothur_groups.close()
def make_qiime_output(self):
# Prepare fasta writer #
handle = open(self.qiime_fasta.path, 'w')
writer = FastaWriter(handle, wrap=0)
writer.write_header()
# Counter #
counter = defaultdict(int)
# Do it #
for r in self.only_used.parse_barcodes():
sample_name = r.first.sample.short_name
counter[sample_name] += 1
r.read.id = '%s_%i %s' % (sample_name, counter[sample_name], r.read.id)
bar_seq = r.read.seq[0:self.pool.bar_len]
r.read.description = "orig_bc=%s new_bc=%s bc_diffs=0" % (bar_seq, bar_seq)
writer.write_record(r.read[self.trim_fwd:-self.trim_rev])
# Close #
writer.write_footer()
handle.close()
def __init__(self, parent):
self.parent = parent
self.path = FilePath(self.parent.prefix_path + '_len_hist.pdf')
class UclustOTUs(OTUs):
"""Will use uclust via the qimme wraper to create OTU clusters from a given FASTA file
http://qiime.org/scripts/pick_otus.html"""
short_name = 'uclust'
title = 'UCLUST-QIIME denovo picking'
all_paths = """
/clusters/clusters.uc
/clusters/qiime.log
/clusters/all_otus.txt
/clusters/all_centers.fasta
/centers.fasta
/otus.txt
/taxonomy_silva/
/taxonomy_fw/
/graphs/
"""
def __repr__(self): return '<%s object of %s>' % (self.__class__.__name__, self.parent)
def __init__(self, cluster):
# Save parent #
self.cluster, self.parent = cluster, cluster
# Inherited #
self.samples = self.parent.samples
# Paths #
self.base_dir = self.parent.p.otus_dir + self.short_name + '/'
self.p = AutoPaths(self.base_dir, self.all_paths)
# Main FASTA file #
self.reads = self.parent.reads
# Files #
self.all_otus = FilePath(self.p.all_otus)
self.all_centers = FASTA(self.p.all_centers)
self.otus = FilePath(self.base_dir + "otus.txt")
self.centers = FASTA(self.base_dir + "centers.fasta")
# Taxonomy #
self.taxonomy_silva = CrestTaxonomy(self.centers, self, 'silvamod', self.p.silva)
self.taxonomy_fw = CrestTaxonomy(self.centers, self, 'freshwater', self.p.fw_dir)
# Preferred one #
self.taxonomy = self.taxonomy_silva
def run(self):
# Clean #
shutil.rmtree(self.p.clusters_dir)
# Run command #
pick_otus = sh.Command('pick_otus.py')
pick_otus('-m', 'uclust', '-i', self.reads, '-o', self.p.clusters_dir)
# Move into place #
base_name = self.p.clusters_dir + self.reads.prefix
shutil.move(base_name + '_otus.txt', self.all_otus)
shutil.move(base_name + '_otus.log', self.p.qiime_log)
shutil.move(base_name + '_clusters.uc', self.p.clusters_uc)
# Remove OTUs that are only one read #
def filter_singletons(f):
for line in f:
line = line.split()
if len(line) > 2: yield '\t'.join(line) + '\n'
self.otus.writelines(filter_singletons(self.all_otus))
# Create the centers file that is missing #
pick_rep = sh.Command('pick_rep_set.py')
pick_rep('-i', self.all_otus, '-f', self.reads, '-o', self.all_centers)
# Remake the centers file without the filtered OTUs #
self.otus_to_keep = [line.split()[0] for line in self.otus]
def filter_otus(f):
for seq in f:
if seq.id in self.otus_to_keep: yield seq
self.centers.write(filter_otus(self.all_centers))
@property_cached
def cluster_counts_table(self):
"""Create the unfiltered OTU table"""
# Put results in a dict of dicts #
result = defaultdict(lambda: defaultdict(int))
# Loop #
for line in self.otus:
# Parse the line #
contents = line.split()
otu, reads = contents[0], contents[1:]
# Parse the hits #
for r in reads:
nums = re.findall("run([0-9]+)_pool([0-9]+)_sample([0-9]+)_read([0-9]+)", r)
if nums:
run_num, pool_num, sample_num, read_num = map(int, nums[0])
sample = illumitag.runs[run_num][pool_num-1][sample_num-1]
name = sample.short_name
else:
nums = re.findall("run([0-9]+)_sample([0-9]+)_read([0-9]+)", r)
run_num, sample_num, read_num = map(int, nums[0])
sample = [s for s in illumitag.presamples+illumitag.pyrosamples if s.run_num==run_num and s.num==sample_num][0]
name = sample.short_name
# Count #
result[otu][name] += 1
# Return #
result = pandas.DataFrame(result)
result = result.fillna(0)
result = result.astype(int)
result = result.reindex_axis(sorted(result.columns, key=natural_sort), axis=1)
return result
def __new__(cls, path=None, content=None, **kwargs):
handle = open(path, 'w') if path else tempfile.NamedTemporaryFile(delete=False, **kwargs)
if content: handle.write(content)
handle.close()
return FilePath.__new__(cls, handle.name)
class JobSLURM(object):
"""Makes launching SLURM jobs easy to write and easy to use. Here are some
examples on how to use this class:
for command in ['print "hi"', 'print "hello"']:
job = JobSLURM(command, time='00:01:00', qos='short')
job.run()
for path in ['~/data/scafolds1.txt', '~/data/scafolds2.txt', '~/data/scafolds3.txt']:
command = ['import sh\n']
command += ['script = sh.Command("analyze.py")\n']
command += ['script(%s)' % path]
job = JobSLURM(command, time='00:01:00', qos='short', job_name=path[-25:])
job.run()
print "Job %i is running !" % job.id
Then you can easily check the status of your job and the standard out that is associated:
print job.status
print job.log_tail
print job.info['time_left']
etc.
"""
extensions = {
'bash': "sh",
'python': "py"
}
shebang_headers = {
'bash': ["#!/bin/bash -le"], # As a login shell and stop on error
'python': ["#!/usr/bin/env python"]
}
slurm_headers = OrderedDict((
('job_name' , {'tag': '#SBATCH -J %s', 'needed': True}),
('change_dir' , {'tag': '#SBATCH -D %s', 'needed': True, 'default': os.path.abspath(os.getcwd())}),
('out_file' , {'tag': '#SBATCH -o %s', 'needed': True, 'default': '/dev/null'}),
('project' , {'tag': '#SBATCH -A %s', 'needed': False, 'default': 'b2011035'}),
('time' , {'tag': '#SBATCH -t %s', 'needed': True, 'default': '7-00:00:00'}),
('machines' , {'tag': '#SBATCH -N %s', 'needed': True, 'default': '1'}),
('cores' , {'tag': '#SBATCH -n %s', 'needed': True, 'default': num_processors}),
('partition' , {'tag': '#SBATCH -p %s', 'needed': True, 'default': 'node'}),
('email' , {'tag': '#SBATCH --mail-user %s', 'needed': False, 'default': os.environ.get('EMAIL')}),
('email-when' , {'tag': '#SBATCH --mail-type=%s', 'needed': True, 'default': 'END'}),
('qos' , {'tag': '#SBATCH --qos=%s', 'needed': False, 'default': 'short'}),
('dependency' , {'tag': '#SBATCH -d %s', 'needed': False, 'default': 'afterok:1'}),
('constraint' , {'tag': '#SBATCH -C %s', 'needed': False, 'default': 'fat'}),
('cluster' , {'tag': '#SBATCH -M %s', 'needed': False, 'default': 'milou'}),
('alloc' , {'tag': '#SBATCH --reservation=%s', 'needed': False, 'default': 'workstation'}),
('jobid' , {'tag': '#SBATCH --jobid=%i', 'needed': False, 'default': 2173455}),
('memory' , {'tag': '#SBATCH --mem=%i', 'needed': False, 'default': 120000}),
('mem_per_cpu', {'tag': '#SBATCH --mem-per-cpu=%i', 'needed': False, 'default': 512}),
('threads' , {'tag': '#SBATCH --cpus-per-task=%i', 'needed': False, 'default': num_processors}),
))
script_headers = {
'bash': ['echo "SLURM: start at $(date) on $(hostname)"'],
'python': ['import dateutil.tz, datetime, platform',
'now = datetime.datetime.now(dateutil.tz.tzlocal())',
r'now = now.strftime("%Y-%m-%d %Hh%Mm%Ss %Z%z")',
'node = platform.node()',
'print "SLURM: start at {0} on {1}".format(now, node)']}
script_footers = {
'bash': ['echo "SLURM: end at $(date)"'],
'python': ['now = datetime.datetime.now(dateutil.tz.tzlocal())',
r'now = now.strftime("%Y-%m-%d %Hh%Mm%Ss %Z%z")',
'print "SLURM: end at {0}".format(now)']}
def __repr__(self): return '<%s object "%s">' % (self.__class__.__name__, self.name)
@property
def name(self): return self.kwargs['job_name']
def __init__(self,
command = ["print 'Hello world'"],
language = 'python',
base_dir = None,
script_path = None,
**kwargs):
# Required attributes #
self.command = command
self.language = language
self.kwargs = kwargs
# Set the file paths #
self.set_paths(base_dir, script_path)
# Check command type #
if not isinstance(self.command, list): self.command = [self.command]
# Get the name #
if 'job_name' not in self.kwargs:
hashed = hashlib.md5(''.join(self.command)).digest()
encoded = base64.urlsafe_b64encode(hashed)
self.kwargs['job_name'] = encoded
# Check we have a project otherwise choose the one with less hours #
if hostname.startswith('milou'):
if 'project' not in self.kwargs and 'SBATCH_ACCOUNT' not in os.environ:
if projects: self.kwargs['project'] = projects[0]['name']
def set_paths(self, base_dir, script_path):
"""Set the directory, the script path and the outfile path"""
# Make absolute paths #
if 'change_dir' in self.kwargs:
self.kwargs['change_dir'] = DirectoryPath(os.path.abspath(self.kwargs['change_dir']))
if 'out_file' in self.kwargs:
self.kwargs['out_file'] = FilePath(os.path.abspath(self.kwargs['out_file']))
# In case there is a base directory #
if base_dir is not None:
self.base_dir = DirectoryPath(os.path.abspath(base_dir))
self.script_path = FilePath(base_dir + "run." + self.extensions[self.language])
self.kwargs['change_dir'] = base_dir
self.kwargs['out_file'] = FilePath(base_dir + "run.out")
# Other cases #
if base_dir is None and script_path is None: self.script_path = FilePath(new_temp_path())
if script_path is not None: self.script_path = FilePath(os.path.abspath(script_path))
@property_cached
def slurm_params(self):
"""The list of parameters to give to the `sbatch` command."""
# Main loop #
result = OrderedDict()
for param, info in self.slurm_headers.items():
if not info['needed'] and not param in self.kwargs: continue
if param in self.kwargs: result[param] = self.kwargs.get(param)
else: result[param] = info['default']
# Special cases #
if result.get('cluster') == 'halvan': result['partition'] = 'halvan'
# Return #
return result
@property
def script(self):
"""The script to be submitted to the SLURM queue."""
self.shebang_header = self.shebang_headers[self.language]
self.slurm_header = [self.slurm_headers[k]['tag'] % v for k,v in self.slurm_params.items()]
self.script_header = self.script_headers[self.language]
self.script_footer = self.script_footers[self.language]
return '\n'.join(flatter([self.shebang_header,
self.slurm_header,
self.script_header,
self.command,
self.script_footer]))
def make_script(self):
"""Make the script and return a FilePath object pointing to the script above."""
self.script_path.write(self.script)
self.script_path.permissions.make_executable()
return self.script_path
@property
def log(self):
"""The log as a FilePath object"""
return self.slurm_params['out_file']
@property
def log_tail(self):
"""If we have a log file, what is its tail"""
if not self.kwargs['out_file'].exists: return False
else: return tail(self.slurm_params['out_file'])
@property
def status(self):
"""What is the status of the job ?"""
# If there is no script it is either ready or a lost duplicate #
if not self.script_path.exists:
if self.name in jobs.names: return "DUPLICATE"
if self.name not in jobs.names: return "READY"
# It is submitted already #
if self.name in jobs.names:
if jobs[self.name]['type'] == 'queued': return "QUEUED"
if jobs[self.name]['type'] == 'running': return "RUNNING"
# So the script exists for sure but it is not in the queue #
if not self.kwargs['out_file'].exists: return "ABORTED"
# Let's look in log file #
if 'CANCELED' in self.log_tail: return "CANCELLED"
if 'slurmstepd: error' in self.log_tail: return "CANCELLED"
# It all looks good #
if 'SLURM: end at' in self.log_tail: return "FINISHED"
# At this point we have no idea #
return "INTERUPTED"
@property
def info(self):
"""Get the existing job information dictionary"""
if self.name not in jobs: return {'status': self.status}
else: return jobs[self.name]
#-------------------------------------------------------------------------#
def run(self):
"""Will call self.launch() after performing some checks"""
# Check already exists #
if self.status == "READY": return self.launch()
# Check name conflict #
if self.status == "DUPLICATE": message = "Job with same name '%s' already in queue, but we lost the script."
if self.status == "QUEUED": message = "Job '%s' already in queue."
if self.status == "RUNNING": message = "Job '%s' already running."
if self.status == "FINISHED": message = "Job '%s' already ended successfully."
if self.status == "ABORTED": message = "Job '%s' was killed without any output file (?)."
if self.status == "CANCELED": message = "Job '%s' was canceled or killed while running."
if self.status == "INTERUPTED": message = "Job '%s' is not running. We don't know why. Look at the log file."
print Color.i_red + message % (self.name,) + Color.end
print "Job might have run already (?). Not starting."
def launch(self):
"""Make the script file and return the newly created job id"""
# Make script file #
self.make_script()
# Do it #
sbatch_out = sh.sbatch(self.script_path)
jobs.expire()
# Message #
print Color.i_blu + "SLURM:" + Color.end + " " + str(sbatch_out),
# Return id #
self.id = int(re.findall("Submitted batch job ([0-9]+)", str(sbatch_out))[0])
return self.id
def cancel(self):
if self.status != "QUEUED" and self.status != "RUNNING":
raise Exception("Can't cancel job '%s'" % self.name)
sh.scancel(self.info['jobid'])
def wait(self):
"""Wait until the job is finished"""
pass
#-------------------------------------------------------------------------#
def run_locally(self):
"""A convenience method to run the same result as a SLURM job
but locally in a non-blocking way. Useful for testing."""
self.thread = threading.Thread(target=self.execute_locally)
self.thread.daemon = True # So that they die when we die
self.thread.start()
def execute_locally(self):
"""Runs the equivalent command locally in a blocking way."""
# Make script file #
self.make_script()
# Do it #
with open(self.kwargs['out_file'], 'w') as handle:
sh.python(self.script_path, _out=handle, _err=handle)
def wait_locally(self):
"""If you have run the query in a non-blocking way, call this method to pause
until the query is finished."""
try: self.thread.join(sys.maxint) # maxint timeout so that we can Ctrl-C them
except KeyboardInterrupt: print "Stopped waiting on job '%s'" % self.kwargs['job_name']
def to_qual(self, path):
with open(path, 'w') as handle:
for r in self:
SeqIO.write(r, handle, 'qual')
return FilePath(path)
