class CufflinksUtils:
    CUFFLINKS_TOOLKIT_PATH = '/opt/cufflinks/'
    GFFREAD_TOOLKIT_PATH = '/opt/cufflinks/'

    def __init__(self, config):
        """

        :param config:
        :param logger:
        :param directory: Working directory
        :param urls: Service urls
        """
        # BEGIN_CONSTRUCTOR
        self.ws_url = config["workspace-url"]
        self.ws_url = config["workspace-url"]
        self.callback_url = config['SDK_CALLBACK_URL']
        self.srv_wiz_url = config['srv-wiz-url']
        self.token = config['KB_AUTH_TOKEN']
        self.shock_url = config['shock-url']
        self.dfu = DataFileUtil(self.callback_url)
        self.gfu = GenomeFileUtil(self.callback_url)
        self.au = AssemblyUtil(self.callback_url)
        self.rau = ReadsAlignmentUtils(self.callback_url)
        self.set_api = SetAPI(self.srv_wiz_url, service_ver='dev')
        self.eu = ExpressionUtils(self.callback_url)
        self.ws = Workspace(self.ws_url, token=self.token)

        self.scratch = os.path.join(config['scratch'], str(uuid.uuid4()))
        self._mkdir_p(self.scratch)

        self.tool_used = "Cufflinks"
        self.tool_version = os.environ['VERSION']
        # END_CONSTRUCTOR
        pass

    def parse_FPKMtracking_calc_TPM(self, filename):
        """
        Generates TPM from FPKM
        :return:
        """
        fpkm_dict = {}
        tpm_dict = {}
        gene_col = 0
        fpkm_col = 9
        sum_fpkm = 0.0
        with open(filename) as f:
            next(f)
            for line in f:
                larr = line.split("\t")
                gene_id = larr[gene_col]
                if gene_id != "":
                    fpkm = float(larr[fpkm_col])
                    sum_fpkm = sum_fpkm + fpkm
                    fpkm_dict[gene_id] = math.log(fpkm + 1, 2)
                    tpm_dict[gene_id] = fpkm

        if sum_fpkm == 0.0:
            log("Warning: Unable to calculate TPM values as sum of FPKM values is 0"
                )
        else:
            for g in tpm_dict:
                tpm_dict[g] = math.log((tpm_dict[g] / sum_fpkm) * 1e6 + 1, 2)

        return fpkm_dict, tpm_dict

    def _mkdir_p(self, path):
        """
        _mkdir_p: make directory for given path
        """
        if not path:
            return
        try:
            os.makedirs(path)
        except OSError as exc:
            if exc.errno == errno.EEXIST and os.path.isdir(path):
                pass
            else:
                raise

    def _validate_run_cufflinks_params(self, params):
        """
        _validate_run_cufflinks_params:
                Raises an exception if params are invalid
        """

        log('Start validating run_cufflinks params')

        # check for required parameters
        for p in ['alignment_object_ref', 'workspace_name', 'genome_ref']:
            if p not in params:
                raise ValueError(
                    '"{}" parameter is required, but missing'.format(p))

    def _run_command(self, command):
        """
        _run_command: run command and print result
        """

        log('Start executing command:\n{}'.format(command))
        pipe = subprocess.Popen(command, stdout=subprocess.PIPE, shell=True)
        output = pipe.communicate()[0]
        exitCode = pipe.returncode

        if (exitCode == 0):
            log('Executed command:\n{}\n'.format(command) +
                'Exit Code: {}\nOutput:\n{}'.format(exitCode, output))
        else:
            error_msg = 'Error running command:\n{}\n'.format(command)
            error_msg += 'Exit Code: {}\nOutput:\n{}'.format(exitCode, output)

            raise ValueError(error_msg)

    def _run_gffread(self, gff_path, gtf_path):
        """
        _run_gffread: run gffread script

        ref: http://cole-trapnell-lab.github.io/cufflinks/file_formats/#the-gffread-utility
        """
        log('converting gff to gtf')
        command = self.GFFREAD_TOOLKIT_PATH + '/gffread '
        command += "-E {0} -T -o {1}".format(gff_path, gtf_path)

        self._run_command(command)

    def _create_gtf_annotation_from_genome(self, genome_ref):
        """
         Create reference annotation file from genome
        """
        ref = self.ws.get_object_subset([{
            'ref':
            genome_ref,
            'included': ['contigset_ref', 'assembly_ref']
        }])
        if 'contigset_ref' in ref[0]['data']:
            contig_id = ref[0]['data']['contigset_ref']
        elif 'assembly_ref' in ref[0]['data']:
            contig_id = ref[0]['data']['assembly_ref']
        if contig_id is None:
            raise ValueError(
                "Genome at {0} does not have reference to the assembly object".
                format(genome_ref))
        print(contig_id)
        log("Generating GFF file from Genome")
        try:
            ret = self.au.get_assembly_as_fasta({'ref': contig_id})
            output_file = ret['path']
            mapping_filename = c_mapping.create_sanitized_contig_ids(
                output_file)
            os.remove(output_file)
            # get the GFF
            ret = self.gfu.genome_to_gff({'genome_ref': genome_ref})
            genome_gff_file = ret['file_path']
            c_mapping.replace_gff_contig_ids(genome_gff_file,
                                             mapping_filename,
                                             to_modified=True)
            gtf_ext = ".gtf"

            if not genome_gff_file.endswith(gtf_ext):
                gtf_path = os.path.splitext(genome_gff_file)[0] + '.gtf'
                self._run_gffread(genome_gff_file, gtf_path)
            else:
                gtf_path = genome_gff_file

            log("gtf file : " + gtf_path)
        except Exception:
            raise ValueError(
                "Generating GTF file from Genome Annotation object Failed :  {}"
                .format("".join(traceback.format_exc())))
        return gtf_path

    def _get_gtf_file(self, alignment_ref):
        """
        _get_gtf_file: get the reference annotation file (in GTF or GFF3 format)
        """
        result_directory = self.scratch
        alignment_data = self.ws.get_objects2(
            {'objects': [{
                'ref': alignment_ref
            }]})['data'][0]['data']

        genome_ref = alignment_data.get('genome_id')
        # genome_name = self.ws.get_object_info([{"ref": genome_ref}], includeMetadata=None)[0][1]
        # ws_gtf = genome_name+"_GTF_Annotation"

        genome_data = self.ws.get_objects2({'objects': [{
            'ref': genome_ref
        }]})['data'][0]['data']

        gff_handle_ref = genome_data.get('gff_handle_ref')

        if gff_handle_ref:
            log('getting reference annotation file from genome')
            annotation_file = self.dfu.shock_to_file({
                'handle_id': gff_handle_ref,
                'file_path': result_directory,
                'unpack': 'unpack'
            })['file_path']
        else:
            annotation_file = self._create_gtf_annotation_from_genome(
                genome_ref)

        return annotation_file

    def _get_gtf_file_from_genome_ref(self, genome_ref):
        """
        _get_gtf_file: get the reference annotation file (in GTF or GFF3 format)
        """
        result_directory = self.scratch

        genome_data = self.ws.get_objects2({'objects': [{
            'ref': genome_ref
        }]})['data'][0]['data']

        gff_handle_ref = genome_data.get('gff_handle_ref')

        if gff_handle_ref:
            log('getting reference annotation file from genome')
            annotation_file = self.dfu.shock_to_file({
                'handle_id': gff_handle_ref,
                'file_path': result_directory,
                'unpack': 'unpack'
            })['file_path']
        else:
            annotation_file = self._create_gtf_annotation_from_genome(
                genome_ref)

        return annotation_file

    def _get_input_file(self, alignment_ref):
        """
        _get_input_file: get input BAM file from Alignment object
        """

        bam_file_dir = self.rau.download_alignment(
            {'source_ref': alignment_ref})['destination_dir']

        files = os.listdir(bam_file_dir)
        bam_file_list = [
            file for file in files if re.match(r'.*\_sorted\.bam', file)
        ]
        if not bam_file_list:
            bam_file_list = [
                file for file in files if re.match(r'.*(?<!sorted)\.bam', file)
            ]

        if not bam_file_list:
            raise ValueError('Cannot find .bam file from alignment {}'.format(
                alignment_ref))

        bam_file_name = bam_file_list[0]

        bam_file = os.path.join(bam_file_dir, bam_file_name)

        return bam_file

    def _generate_command(self, params):
        """
        _generate_command: generate cufflinks command
        """
        cufflinks_command = '/opt/cufflinks/cufflinks'
        cufflinks_command += (' -q --no-update-check -p ' +
                              str(params.get('num_threads', 1)))
        if 'max_intron_length' in params and params[
                'max_intron_length'] is not None:
            cufflinks_command += (' --max-intron-length ' +
                                  str(params['max_intron_length']))
        if 'min_intron_length' in params and params[
                'min_intron_length'] is not None:
            cufflinks_command += (' --min-intron-length ' +
                                  str(params['min_intron_length']))
        if 'overhang_tolerance' in params and params[
                'overhang_tolerance'] is not None:
            cufflinks_command += (' --overhang-tolerance ' +
                                  str(params['overhang_tolerance']))

        cufflinks_command += " -o {0} -G {1} {2}".format(
            params['result_directory'], params['gtf_file'],
            params['input_file'])

        log('Generated cufflinks command: {}'.format(cufflinks_command))

        return cufflinks_command

    def _process_rnaseq_alignment_object(self, params):
        """
        _process_alignment_object: process KBaseRNASeq.RNASeqAlignment type input object
        """
        log('start processing RNASeqAlignment object\nparams:\n{}'.format(
            json.dumps(params, indent=1)))
        alignment_ref = params.get('alignment_ref')

        result_directory = os.path.join(self.scratch, str(uuid.uuid4()))
        self._mkdir_p(result_directory)
        params['result_directory'] = str(result_directory)

        # input files
        params['input_file'] = self._get_input_file(alignment_ref)
        if not params.get('gtf_file'):
            params['gtf_file'] = self._get_gtf_file(alignment_ref)

        if '/' not in params['genome_ref']:
            params['genome_ref'] = params['workspace_name'] + '/' + params[
                'genome_ref']

        command = self._generate_command(params)
        self._run_command(command)

        expression_obj_ref = self._save_rnaseq_expression(
            result_directory, alignment_ref, params.get('workspace_name'),
            params.get('genome_ref'), params['gtf_file'],
            params['expression_suffix'])

        returnVal = {
            'result_directory': result_directory,
            'expression_obj_ref': expression_obj_ref,
            'alignment_ref': alignment_ref
        }

        expression_name = self.ws.get_object_info([{
            "ref": expression_obj_ref
        }],
                                                  includeMetadata=None)[0][1]

        widget_params = {
            "output": expression_name,
            "workspace": params.get('workspace_name')
        }
        returnVal.update(widget_params)

        return returnVal

    def _process_kbasesets_alignment_object(self, params):
        """
        _process_alignment_object: process KBaseRNASeq.RNASeqAlignment type input object
        """
        log('start processing KBaseSets object\nparams:\n{}'.format(
            json.dumps(params, indent=1)))
        alignment_ref = params.get('alignment_ref')

        result_directory = os.path.join(self.scratch, str(uuid.uuid4()))
        self._mkdir_p(result_directory)
        params['result_directory'] = str(result_directory)

        # input files
        params['input_file'] = self._get_input_file(alignment_ref)
        if not params.get('gtf_file'):
            params['gtf_file'] = self._get_gtf_file(alignment_ref)

        command = self._generate_command(params)
        self._run_command(command)

        expression_obj_ref = self._save_kbasesets_expression(
            result_directory, alignment_ref, params.get('workspace_name'),
            params.get('genome_ref'), params.get('gtf_file'),
            params.get('expression_suffix'))

        returnVal = {
            'result_directory': result_directory,
            'expression_obj_ref': expression_obj_ref,
            'alignment_ref': alignment_ref
        }

        expression_name = self.ws.get_object_info([{
            "ref": expression_obj_ref
        }],
                                                  includeMetadata=None)[0][1]

        widget_params = {
            "output": expression_name,
            "workspace": params.get('workspace_name')
        }
        returnVal.update(widget_params)

        return returnVal

    def _generate_html_report(self, result_directory, obj_ref):
        """
        _generate_html_report: generate html summary report
        """
        log('Start generating html report')
        html_report = list()

        output_directory = os.path.join(self.scratch, str(uuid.uuid4()))
        self._mkdir_p(output_directory)
        result_file_path = os.path.join(output_directory, 'report.html')

        expression_object = self.ws.get_objects2(
            {'objects': [{
                'ref': obj_ref
            }]})['data'][0]

        expression_object_type = expression_object.get('info')[2]

        Overview_Content = ''
        if re.match('KBaseRNASeq.RNASeqExpression-\d.\d',
                    expression_object_type):
            Overview_Content += '<p>Generated Expression Object:</p><p>{}</p>'.format(
                expression_object.get('info')[1])
        elif re.match('KBaseRNASeq.RNASeqExpressionSet-\d.\d',
                      expression_object_type):
            Overview_Content += '<p>Generated Expression Set Object:</p><p>{}</p>'.format(
                expression_object.get('info')[1])
            Overview_Content += '<br><p>Generated Expression Object:</p>'
            for expression_ref in expression_object['data'][
                    'sample_expression_ids']:
                expression_name = self.ws.get_object_info(
                    [{
                        "ref": expression_ref
                    }], includeMetadata=None)[0][1]
                Overview_Content += '<p>{}</p>'.format(expression_name)
        elif re.match('KBaseSets.ExpressionSet-\d.\d', expression_object_type):
            pprint(expression_object)
            Overview_Content += '<p>Generated Expression Set Object:</p><p>{}</p>'.format(
                expression_object.get('info')[1])
            Overview_Content += '<br><p>Generated Expression Object:</p>'
            for expression_ref in expression_object['data']['items']:
                expression_name = self.ws.get_object_info(
                    [{
                        "ref": expression_ref['ref']
                    }], includeMetadata=None)[0][1]
                condition = expression_ref['label']
                Overview_Content += '<p>condition:{0}; expression_name: {1}</p>'.format(
                    condition, expression_name)

        with open(result_file_path, 'w') as result_file:
            with open(
                    os.path.join(os.path.dirname(__file__),
                                 'report_template.html'),
                    'r') as report_template_file:
                report_template = report_template_file.read()
                report_template = report_template.replace(
                    '<p>Overview_Content</p>', Overview_Content)
                result_file.write(report_template)

        html_report.append({
            'path':
            result_file_path,
            'name':
            os.path.basename(result_file_path),
            'label':
            os.path.basename(result_file_path),
            'description':
            'HTML summary report for Cufflinks App'
        })
        return html_report

    def _save_rnaseq_expression(self, result_directory, alignment_ref,
                                workspace_name, genome_ref, gtf_file,
                                expression_suffix):
        """
        _save_rnaseq_expression: save Expression object to workspace
        """
        log('start saving Expression object')
        alignment_object_name = self.ws.get_object_info(
            [{
                "ref": alignment_ref
            }], includeMetadata=None)[0][1]

        # set expression name
        if re.match('.*_[Aa]lignment$', alignment_object_name):
            expression_name = re.sub('_[Aa]lignment$', expression_suffix,
                                     alignment_object_name)
        else:  # assume user specified suffix
            expression_name = alignment_object_name + expression_suffix

        expression_ref = self.eu.upload_expression({
            'destination_ref':
            workspace_name + '/' + expression_name,
            'source_dir':
            result_directory,
            'alignment_ref':
            alignment_ref,
            'tool_used':
            self.tool_used,
            'tool_version':
            self.tool_version
        })['obj_ref']

        return expression_ref

    def _save_kbasesets_expression(self, result_directory, alignment_ref,
                                   workspace_name, genome_ref, gtf_file,
                                   expression_suffix):
        """
        _save_kbasesets_expression: save Expression object to workspace using ExpressionUtils
        and SetAPI
        """
        log('start saving Expression object')

        alignment_info = self.ws.get_object_info3(
            {'objects': [{
                "ref": alignment_ref
            }]})
        alignment_object_name = alignment_info['infos'][0][1]

        # set expression name
        if re.match('.*_[Aa]lignment$', alignment_object_name):
            expression_name = re.sub('_[Aa]lignment$', expression_suffix,
                                     alignment_object_name)
        else:  # assume user specified suffix
            expression_name = alignment_object_name + expression_suffix

        expression_ref = self.eu.upload_expression({
            'destination_ref':
            workspace_name + '/' + expression_name,
            'source_dir':
            result_directory,
            'alignment_ref':
            alignment_ref,
            'tool_used':
            self.tool_used,
            'tool_version':
            self.tool_version
        })['obj_ref']

        return expression_ref

    def _save_rnaseq_expression_set(self, alignment_expression_map,
                                    alignment_set_ref, workspace_name,
                                    expression_set_name):
        """
        _save_rnaseq_expression_set: save ExpressionSet object to workspace
        """
        log('start saving ExpressionSet object')
        if isinstance(workspace_name, int) or workspace_name.isdigit():
            workspace_id = workspace_name
        else:
            workspace_id = self.dfu.ws_name_to_id(workspace_name)

        expression_set_data = self._generate_expression_set_data(
            alignment_expression_map, alignment_set_ref, expression_set_name)

        object_type = 'KBaseRNASeq.RNASeqExpressionSet'
        save_object_params = {
            'id':
            workspace_id,
            'objects': [{
                'type': object_type,
                'data': expression_set_data,
                'name': expression_set_name
            }]
        }

        dfu_oi = self.dfu.save_objects(save_object_params)[0]
        expression_set_ref = str(dfu_oi[6]) + '/' + str(dfu_oi[0]) + '/' + str(
            dfu_oi[4])

        return expression_set_ref

    def _save_kbasesets_expression_set(self, alignment_expression_map,
                                       alignment_set_ref, workspace_name,
                                       expression_set_name):
        """
        _save_kbasesets_expression_set: save ExpressionSet object to workspace
        """
        log('start saving ExpressionSet object')
        if isinstance(workspace_name, int) or workspace_name.isdigit():
            workspace_id = workspace_name
        else:
            workspace_id = self.dfu.ws_name_to_id(workspace_name)

        expression_set_data = self._generate_expression_set_data(
            alignment_expression_map, alignment_set_ref, expression_set_name)

        object_type = 'KBaseRNASeq.RNASeqExpressionSet'
        save_object_params = {
            'id':
            workspace_id,
            'objects': [{
                'type': object_type,
                'data': expression_set_data,
                'name': expression_set_name
            }]
        }

        dfu_oi = self.dfu.save_objects(save_object_params)[0]
        expression_set_ref = str(dfu_oi[6]) + '/' + str(dfu_oi[0]) + '/' + str(
            dfu_oi[4])

        return expression_set_ref

    def _generate_report(self,
                         obj_ref,
                         workspace_name,
                         result_directory,
                         exprMatrix_FPKM_ref=None,
                         exprMatrix_TPM_ref=None):
        """
        _generate_report: generate summary report
        """

        log('creating report')

        output_files = self._generate_output_file_list(result_directory)
        output_html_files = self._generate_html_report(result_directory,
                                                       obj_ref)

        expression_object = self.ws.get_objects2(
            {'objects': [{
                'ref': obj_ref
            }]})['data'][0]
        expression_info = expression_object['info']
        expression_data = expression_object['data']

        expression_object_type = expression_info[2]
        if re.match('KBaseRNASeq.RNASeqExpression-\d+.\d+',
                    expression_object_type):
            objects_created = [{
                'ref':
                obj_ref,
                'description':
                'Expression generated by Cufflinks'
            }]
        elif re.match('KBaseRNASeq.RNASeqExpressionSet-\d+.\d+',
                      expression_object_type):
            objects_created = [{
                'ref':
                obj_ref,
                'description':
                'Expression generated by Cufflinks'
            }]
        elif re.match('KBaseSets.ExpressionSet-\d+.\d+',
                      expression_object_type):
            objects_created = [{
                'ref':
                obj_ref,
                'description':
                'ExpressionSet generated by Cufflinks'
            }]
            items = expression_data['items']
            for item in items:
                objects_created.append({
                    'ref':
                    item['ref'],
                    'description':
                    'Expression generated by Cufflinks'
                })
            objects_created.append({
                'ref':
                exprMatrix_FPKM_ref,
                'description':
                'FPKM ExpressionMatrix generated by Cufflinks'
            })
            objects_created.append({
                'ref':
                exprMatrix_TPM_ref,
                'description':
                'TPM ExpressionMatrix generated by Cufflinks'
            })

        report_params = {
            'message': '',
            'workspace_name': workspace_name,
            'file_links': output_files,
            'objects_created': objects_created,
            'html_links': output_html_files,
            'direct_html_link_index': 0,
            'html_window_height': 366,
            'report_object_name': 'kb_cufflinks_report_' + str(uuid.uuid4())
        }

        kbase_report_client = KBaseReport(self.callback_url, token=self.token)
        output = kbase_report_client.create_extended_report(report_params)

        report_output = {
            'report_name': output['name'],
            'report_ref': output['ref']
        }

        return report_output

    def _parse_FPKMtracking(self, filename, metric):
        result = {}
        pos1 = 0
        if metric == 'FPKM':
            pos2 = 7
        if metric == 'TPM':
            pos2 = 8

        with open(filename) as f:
            next(f)
            for line in f:
                larr = line.split("\t")
                if larr[pos1] != "":
                    try:
                        result[larr[pos1]] = math.log(float(larr[pos2]) + 1, 2)
                    except ValueError:
                        result[larr[pos1]] = math.log(1, 2)

        return result

    def _generate_output_file_list(self, result_directory):
        """
        _generate_output_file_list: zip result files and generate file_links for report
        """
        log('Start packing result files')
        output_files = list()

        output_directory = os.path.join(self.scratch, str(uuid.uuid4()))
        self._mkdir_p(output_directory)
        result_file = os.path.join(output_directory, 'cufflinks_result.zip')

        with zipfile.ZipFile(result_file,
                             'w',
                             zipfile.ZIP_DEFLATED,
                             allowZip64=True) as zip_file:
            for root, dirs, files in os.walk(result_directory):
                for file in files:
                    if not (file.endswith('.DS_Store')):
                        zip_file.write(
                            os.path.join(root, file),
                            os.path.join(os.path.basename(root), file))

        output_files.append({
            'path': result_file,
            'name': os.path.basename(result_file),
            'label': os.path.basename(result_file),
            'description': 'File(s) generated by Cufflinks App'
        })

        return output_files

    def _generate_expression_data(self, result_directory, alignment_ref,
                                  gtf_file, workspace_name, expression_suffix):
        """
        _generate_expression_data: generate Expression object with cufflinks output files
        """
        alignment_data_object = self.ws.get_objects2(
            {'objects': [{
                'ref': alignment_ref
            }]})['data'][0]

        # set expression name
        alignment_object_name = alignment_data_object['info'][1]
        if re.match('.*_[Aa]lignment$', alignment_object_name):
            expression_name = re.sub('_[Aa]lignment$', expression_suffix,
                                     alignment_object_name)
        else:  # assume user specified suffix
            expression_name = alignment_object_name + expression_suffix

        expression_data = {
            'id': expression_name,
            'type': 'RNA-Seq',
            'numerical_interpretation': 'FPKM',
            'processing_comments': 'log2 Normalized',
            'tool_used': self.tool_used,
            'tool_version': self.tool_version
        }
        alignment_data = alignment_data_object['data']

        condition = alignment_data.get('condition')
        expression_data.update({'condition': condition})

        genome_id = alignment_data.get('genome_id')
        expression_data.update({'genome_id': genome_id})

        read_sample_id = alignment_data.get('read_sample_id')
        expression_data.update(
            {'mapped_rnaseq_alignment': {
                read_sample_id: alignment_ref
            }})

        exp_dict, tpm_exp_dict = self.parse_FPKMtracking_calc_TPM(
            os.path.join(result_directory, 'genes.fpkm_tracking'))

        expression_data.update({'expression_levels': exp_dict})

        expression_data.update({'tpm_expression_levels': tpm_exp_dict})

        handle = self.dfu.file_to_shock({
            'file_path': result_directory,
            'pack': 'zip',
            'make_handle': True
        })['handle']
        expression_data.update({'file': handle})

        return expression_data

    def _generate_expression_set_data(self, alignment_expression_map,
                                      alignment_set_ref, expression_set_name):
        """
        _generate_expression_set_data: generate ExpressionSet object with cufflinks output files
        """
        alignment_set_data_object = self.ws.get_objects2(
            {'objects': [{
                'ref': alignment_set_ref
            }]})['data'][0]

        alignment_set_data = alignment_set_data_object['data']

        expression_set_data = {
            'tool_used': self.tool_used,
            'tool_version': self.tool_version,
            'id': expression_set_name,
            'alignmentSet_id': alignment_set_ref,
            'genome_id': alignment_set_data.get('genome_id'),
            'sampleset_id': alignment_set_data.get('sampleset_id')
        }

        sample_expression_ids = []
        mapped_expression_objects = []
        mapped_expression_ids = []

        for alignment_expression in alignment_expression_map:
            alignment_ref = alignment_expression.get('alignment_ref')
            expression_ref = alignment_expression.get('expression_obj_ref')
            sample_expression_ids.append(expression_ref)
            mapped_expression_ids.append({alignment_ref: expression_ref})
            alignment_name = self.ws.get_object_info(
                [{
                    "ref": alignment_ref
                }], includeMetadata=None)[0][1]
            expression_name = self.ws.get_object_info(
                [{
                    "ref": expression_ref
                }], includeMetadata=None)[0][1]
            mapped_expression_objects.append({alignment_name: expression_name})

        expression_set_data['sample_expression_ids'] = sample_expression_ids
        expression_set_data[
            'mapped_expression_objects'] = mapped_expression_objects
        expression_set_data['mapped_expression_ids'] = mapped_expression_ids

        return expression_set_data

    def _process_alignment_set_object(self, params, alignment_object_type):
        """
        _process_alignment_set_object: process KBaseRNASeq.RNASeqAlignmentSet type input object
                                        and KBaseSets.ReadsAlignmentSet type object
        """
        log('start processing KBaseRNASeq.RNASeqAlignmentSet object or KBaseSets.ReadsAlignmentSet object'
            '\nparams:\n{}'.format(json.dumps(params, indent=1)))

        alignment_set_ref = params.get('alignment_set_ref')

        if re.match('^KBaseRNASeq.RNASeqAlignmentSet-\d*',
                    alignment_object_type):
            params['gtf_file'] = self._get_gtf_file(alignment_set_ref)
        else:
            if not '/' in params['genome_ref']:
                params['genome_ref'] = params['workspace_name'] + '/' + params[
                    'genome_ref']

            params['gtf_file'] = self._get_gtf_file_from_genome_ref(
                params['genome_ref'])

        alignment_set = self.set_api.get_reads_alignment_set_v1({
            'ref':
            alignment_set_ref,
            'include_item_info':
            0,
            'include_set_item_ref_paths':
            1
        })
        mul_processor_params = []
        for alignment in alignment_set["data"]["items"]:
            alignment_ref = alignment['ref_path']
            alignment_upload_params = params.copy()
            alignment_upload_params['alignment_ref'] = alignment_ref
            mul_processor_params.append(alignment_upload_params)
            # use the following when you want to run the cmd sequentially
            # self._process_kbasesets_alignment_object(mul_processor_params[0])

        cpus = min(params.get('num_threads'), multiprocessing.cpu_count())
        pool = Pool(ncpus=cpus)
        log('running _process_alignment_object with {} cpus'.format(cpus))
        alignment_expression_map = pool.map(
            self._process_kbasesets_alignment_object, mul_processor_params)

        result_directory = os.path.join(self.scratch, str(uuid.uuid4()))
        self._mkdir_p(result_directory)

        expression_items = list()
        for proc_alignment_return in alignment_expression_map:
            expression_obj_ref = proc_alignment_return.get(
                'expression_obj_ref')
            alignment_ref = proc_alignment_return.get('alignment_ref')
            alignment_info = self.ws.get_object_info3({
                'objects': [{
                    "ref": alignment_ref
                }],
                'includeMetadata':
                1
            })
            condition = alignment_info['infos'][0][10]['condition']
            expression_items.append({
                "ref": expression_obj_ref,
                "label": condition,
            })
            expression_name = self.ws.get_object_info(
                [{
                    "ref": expression_obj_ref
                }], includeMetadata=None)[0][1]
            self._run_command('cp -R {} {}'.format(
                proc_alignment_return.get('result_directory'),
                os.path.join(result_directory, expression_name)))

        expression_set = {
            "description": "generated by kb_cufflinks",
            "items": expression_items
        }

        expression_set_info = self.set_api.save_expression_set_v1({
            "workspace":
            params['workspace_name'],
            "output_object_name":
            params['expression_set_name'],
            "data":
            expression_set
        })

        returnVal = {
            'result_directory': result_directory,
            'expression_obj_ref': expression_set_info['set_ref']
        }

        widget_params = {
            "output": params.get('expression_set_name'),
            "workspace": params.get('workspace_name')
        }
        returnVal.update(widget_params)

        return returnVal

    def _generate_output_object_name(self, params, alignment_object_type,
                                     alignment_object_name):
        """
        Generates the output object name based on input object type and name and stores it in
        params with key equal to 'expression' or 'expression_set' based on whether the input
        object is an alignment or alignment_set.

        :param params: module input params
        :param alignment_object_type: input alignment object type
        :param alignment_object_name: input alignment object name
        :param alignment_object_data: input alignment object data
        """
        expression_set_suffix = params['expression_set_suffix']
        expression_suffix = params['expression_suffix']

        if re.match('^KBaseRNASeq.RNASeqAlignment-\d*', alignment_object_type):
            if re.match('.*_[Aa]lignment$', alignment_object_name):
                params['expression_name'] = re.sub('_[Aa]lignment$',
                                                   expression_suffix,
                                                   alignment_object_name)
            else:  # assume user specified suffix
                params[
                    'expression_name'] = alignment_object_name + expression_suffix
        if re.match('^KBaseRNASeq.RNASeqAlignmentSet-\d*',
                    alignment_object_type):
            if re.match('.*_[Aa]lignment_[Ss]et$', alignment_object_name):
                # set expression set name
                params['expression_set_name'] = re.sub('_[Aa]lignment_[Ss]et$',
                                                       expression_set_suffix,
                                                       alignment_object_name)
            else:  # assume user specified suffix
                params[
                    'expression_set_name'] = alignment_object_name + expression_set_suffix
        if re.match('^KBaseSets.ReadsAlignmentSet-\d*', alignment_object_type):
            if re.match('.*_[Aa]lignment_[Ss]et$', alignment_object_name):

                # set expression set name
                params['expression_set_name'] = re.sub('_[Aa]lignment_[Ss]et$',
                                                       expression_set_suffix,
                                                       alignment_object_name)
            else:  # assume user specified suffix
                params[
                    'expression_set_name'] = alignment_object_name + expression_set_suffix

    def _save_expression_matrix(self, expressionset_ref, workspace_name):
        """
        _save_expression_matrix: save FPKM and TPM ExpressionMatrix
        """

        log('start saving ExpressionMatrix object')

        expression_set_name = self.ws.get_object_info(
            [{
                "ref": expressionset_ref
            }], includeMetadata=None)[0][1]

        output_obj_name_prefix = re.sub('_*[Ee]xpression_*[Ss]et', '',
                                        expression_set_name)

        upload_expression_matrix_params = {
            'expressionset_ref': expressionset_ref,
            'output_obj_name': output_obj_name_prefix,
            'workspace_name': workspace_name
        }

        expression_matrix_refs = self.eu.get_expressionMatrix(
            upload_expression_matrix_params)

        return expression_matrix_refs

    def run_cufflinks_app(self, params):
        log('--->\nrunning CufflinksUtil.run_cufflinks_app\n' +
            'params:\n{}'.format(json.dumps(params, indent=1)))

        self._validate_run_cufflinks_params(params)

        alignment_object_ref = params.get('alignment_object_ref')
        alignment_object_info = self.ws.get_object_info3(
            {"objects": [{
                "ref": alignment_object_ref
            }]})['infos'][0]

        alignment_object_type = alignment_object_info[2]
        alignment_object_name = alignment_object_info[1]

        # get output object name
        self._generate_output_object_name(params, alignment_object_type,
                                          alignment_object_name)

        log('--->\nalignment object type: \n' +
            '{}'.format(alignment_object_type))

        if re.match('^KBaseRNASeq.RNASeqAlignment-\d*', alignment_object_type):
            params.update({'alignment_ref': alignment_object_ref})
            returnVal = self._process_rnaseq_alignment_object(params)
            report_output = self._generate_report(
                returnVal.get('expression_obj_ref'),
                params.get('workspace_name'),
                returnVal.get('result_directory'))
            returnVal.update(report_output)
        elif re.match('^KBaseRNASeq.RNASeqAlignmentSet-\d*', alignment_object_type) or \
             re.match('^KBaseSets.ReadsAlignmentSet-\d*', alignment_object_type):
            params.update({'alignment_set_ref': alignment_object_ref})
            returnVal = self._process_alignment_set_object(
                params, alignment_object_type)
            expression_matrix_refs = self._save_expression_matrix(
                returnVal['expression_obj_ref'], params.get('workspace_name'))
            returnVal.update(expression_matrix_refs)

            report_output = self._generate_report(
                returnVal['expression_obj_ref'], params.get('workspace_name'),
                returnVal['result_directory'],
                expression_matrix_refs['exprMatrix_FPKM_ref'],
                expression_matrix_refs['exprMatrix_TPM_ref'])
            returnVal.update(report_output)
        else:
            raise ValueError(
                'None RNASeqAlignment type\nObject info:\n{}'.format(
                    alignment_object_info))

        return returnVal
Example #2
0
class EditAlignmentSet:
    """
     Constains a set of functions for expression levels calculations.
    """

    PARAM_IN_WS_NAME_ID = 'workspace_name'
    PARAM_IN_OBJ_NAME_ID = 'output_object_name'
    PARAM_IN_ALIGNSET_REF = 'alignment_set_ref'
    PARAM_IN_ALIGNS_ADD = 'alignments_to_add'
    PARAM_IN_ALIGNS_RM = 'alignments_to_remove'

    def __init__(self, config, logger=None):
        self.config = config
        self.logger = logger
        self.callback_url = os.environ['SDK_CALLBACK_URL']
        self.scratch = os.path.join(config['scratch'],
                                    'EAS_' + str(uuid.uuid4()))
        self.ws_url = config['workspace-url']
        self.ws_client = Workspace(self.ws_url)
        self.dfu = DataFileUtil(self.callback_url)
        self.setAPI = SetAPI(self.callback_url)
        pass

    def _process_params(self, params):
        """
        validates params passed to gen expression matrix method
        """
        for p in [
                self.PARAM_IN_ALIGNSET_REF, self.PARAM_IN_OBJ_NAME_ID,
                self.PARAM_IN_WS_NAME_ID
        ]:
            if p not in params:
                raise ValueError(
                    '"{}" parameter is required, but missing'.format(p))

        ws_name_id = params.get(self.PARAM_IN_WS_NAME_ID)
        if not isinstance(ws_name_id, int):
            try:
                ws_name_id = self.dfu.ws_name_to_id(ws_name_id)
            except DFUError as se:
                prefix = se.message.split('.')[0]
                raise ValueError(prefix)

        alignments_to_add = params.get(self.PARAM_IN_ALIGNS_ADD)
        alignments_to_remove = params.get(self.PARAM_IN_ALIGNS_RM)

        if alignments_to_add is None and alignments_to_remove is None:
            raise ValueError(
                'Either "alignments_to_remove" or "alignments_to_add" should be given'
            )

        return ws_name_id

    def _get_type_from_obj_info(self, info):
        return info[2].split('-')[0]

    def _get_obj_info(self, ref):
        return self.ws_client.get_object_info3({'objects': [{
            'ref': ref
        }]})['infos'][0]

    def _get_set_items(self, alignment_set_ref):

        obj_info = self._get_obj_info(alignment_set_ref)
        obj_type = self._get_type_from_obj_info(obj_info)

        if obj_type in ['KBaseSets.ReadsAlignmentSet']:
            set_data = self.setAPI.get_reads_alignment_set_v1(
                {'ref': alignment_set_ref})
            items = set_data['data']['items']
        elif obj_type in ['KBaseRNASeq.RNASeqAlignmentSet']:
            alignmentset_obj = self.ws_client.get_objects2(
                {'objects': [{
                    'ref': alignment_set_ref
                }]})['data'][0]
            """
            Add each alignment object to align_item and add it to items list
            """
            items = list()
            for alignment_ref in alignmentset_obj['data']['sample_alignments']:
                align_item = dict()
                align_item['ref'] = alignment_ref
                items.append(align_item)
        else:
            raise ValueError(
                '"alignment_set_ref" should be of type KBaseSets.ReadsAlignmentSet or '
                + 'KBaseRNASeq.RNASeqAlignmentSet')

        return items

    def _add_alignments(self, alignment_set_items, alignment_refs_list):

        for alignment_ref in alignment_refs_list:

            found = False
            for set_item in alignment_set_items:
                if set_item.get('ref') == alignment_ref:
                    print('{} already in the input Alignment Set. Not added'.
                          format(alignment_ref))
                    found = True
                    break

            if not found:
                alignment_set_items.append({'ref': alignment_ref})
        return alignment_set_items

    def _remove_alignments(self, input_alignment_set, alignment_set_items,
                           alignments_to_remove):

        for input_item in input_alignment_set:
            if not (input_item.get('ref') in alignments_to_remove):
                alignment_set_items.append(input_item)

        return alignment_set_items

    def _save_alignment_set(self, ws_name, obj_name, set_data):

        res = self.setAPI.save_reads_alignment_set_v1({
            "workspace": ws_name,
            "output_object_name": obj_name,
            "data": set_data
        })
        return res.get('set_ref')

    def edit_alignment_set(self, params):

        ws_name_id = self._process_params(params)
        obj_name = params.get(self.PARAM_IN_OBJ_NAME_ID)

        alignment_set_ref = params.get(self.PARAM_IN_ALIGNSET_REF)

        print('INPUT ALIGNMENT SET REF: ' + alignment_set_ref)

        input_alignment_set = self._get_set_items(alignment_set_ref)

        alignments_to_remove = params.get(self.PARAM_IN_ALIGNS_RM, None)
        alignments_to_add = params.get(self.PARAM_IN_ALIGNS_ADD, None)

        set_items = list()
        if alignments_to_remove is not None:
            set_items = self._remove_alignments(input_alignment_set, set_items,
                                                alignments_to_remove)
        if alignments_to_add is not None:
            set_items = self._add_alignments(set_items, alignments_to_add)

        set_data = {
            'description': 'Edited from {}'.format(alignment_set_ref),
            'items': set_items
        }

        output_alignment_set_ref = self._save_alignment_set(
            ws_name_id, obj_name, set_data)
        return output_alignment_set_ref