示例#1
0
    def __init__(self,
                 intervals_file,
                 fasta_file,
                 dnase_file,
                 cell_line=None,
                 RNAseq_PC_file=None,
                 mappability_file=None,
                 use_linecache=True):

        # intervals
        if use_linecache:
            linecache.clearcache()
            BT = BedToolLinecache
        else:
            BT = BedTool

        self.bt = BT(intervals_file)

        # Fasta
        self.fasta_file = fasta_file
        self.fasta_extractor = None  # initialize later
        # DNase
        self.dnase_file = dnase_file
        self.dnase_extractor = None
        # mappability
        if mappability_file is None:
            # download the mappability file if not existing
            common_dl_dir = os.path.join(this_dir, "../../template/downloaded/dataloader_files")
            makedir_exist_ok(common_dl_dir)
            rf = RemoteFile(url="http://hgdownload.cse.ucsc.edu/goldenPath/hg19/encodeDCC/wgEncodeMapability/wgEncodeDukeMapabilityUniqueness35bp.bigWig",
                            md5="1d15ddafe2c8df51cf08495db96679e7")
            mappability_file = os.path.join(common_dl_dir, "wgEncodeDukeMapabilityUniqueness35bp.bigWig")
            if not os.path.exists(mappability_file) or not rf.validate(mappability_file):
                # download the path
                rf.get_file(mappability_file)
        self.mappability_file = mappability_file
        self.mappability_extractor = None
        # Get the metadata features
        if cell_line is None:
            if RNAseq_PC_file is None:
                raise ValueError("RNAseq_PC_file has to be specified when cell_line=None")
            assert os.path.exists(RNAseq_PC_file)
        else:
            # Using the pre-defined cell-line
            output_dir = os.path.join(this_dir, "../../template/downloaded/dataloader_files/RNAseq_features/")
            makedir_exist_ok(output_dir)
            RNAseq_PC_file = os.path.join(output_dir, cell_line, "meta.txt")
            url_template = ('https://s3.eu-central-1.amazonaws.com/kipoi-models/dataloader_files/'
                            'FactorNet/dataloader_files/RNAseq_features/{}/meta.txt')
            # rf = RemoteFile(url=url_template.format(cell_line))
            if not os.path.exists(RNAseq_PC_file):  # or not rf.validate(mappability_file):
                # download the path
                download_url(url_template.format(cell_line), os.path.join(output_dir, cell_line), "meta.txt")
                # rf.get_file(RNAseq_PC_file)

        self.meta_feat = pd.read_csv(RNAseq_PC_file,
                                     sep="\t", header=None)[0].values
示例#2
0
文件: specs.py 项目: dlhuang/kipoi
 def get_file(self, path):
     """Download the remote file to cache_dir and return
     the file path to it
     """
     if self.md5:
         file_hash = self.md5
     else:
         file_hash = None
     root, filename = os.path.dirname(path), os.path.basename(path)
     root = os.path.abspath(root)
     download_url(self.url, root, filename, file_hash)
     return os.path.join(root, filename)
示例#3
0
    def get_file(self, path):
        """Download the remote file to cache_dir and return
        the file path to it
        """
        from kipoi.external.torchvision.dataset_utils import download_url

        if self.md5:
            file_hash = self.md5
        else:
            file_hash = None
        root, filename = os.path.dirname(path), os.path.basename(path)
        root = os.path.abspath(root)
        download_url(self.url, root, filename, file_hash)
        return os.path.join(root, filename)
示例#4
0
    def __init__(self,
                 intervals_file,
                 fasta_file,
                 dnase_file,
                 cell_line=None,
                 RNAseq_PC_file=None,
                 mappability_file=None,
                 GENCODE_dir=None,
                 use_linecache=True):

        # intervals
        if use_linecache:
            linecache.clearcache()
            BT = BedToolLinecache
        else:
            BT = BedTool

        self.bt = BT(intervals_file)

        # Fasta
        self.fasta_file = fasta_file
        self.fasta_extractor = None  # initialize later
        # DNase
        self.dnase_file = dnase_file
        self.dnase_extractor = None
        # mappability
        if mappability_file is None:
            # download the mappability file if not existing
            common_dl_dir = os.path.join(
                this_dir, "../../template/downloaded/dataloader_files")
            makedir_exist_ok(common_dl_dir)
            rf = RemoteFile(
                url=
                "http://hgdownload.cse.ucsc.edu/goldenPath/hg19/encodeDCC/wgEncodeMapability/wgEncodeDukeMapabilityUniqueness35bp.bigWig",
                md5="1d15ddafe2c8df51cf08495db96679e7")
            mappability_file = os.path.join(
                common_dl_dir, "wgEncodeDukeMapabilityUniqueness35bp.bigWig")
            if not os.path.exists(mappability_file) or not rf.validate(
                    mappability_file):
                # download the path
                rf.get_file(mappability_file)
        self.mappability_file = mappability_file
        self.mappability_extractor = None
        # Gencode features
        if GENCODE_dir is None:
            gp = os.path.join(
                this_dir,
                "../../template/downloaded/dataloader_files/gencode_features/")
        else:
            gp = GENCODE_dir

        download_gencode_dir(gp)  # download files
        self.gencode_beds = [
            ("cpg", BedTool(gp + '/cpgisland.bed.gz')),
            ("cds",
             BedTool(gp + '/wgEncodeGencodeBasicV19.cds.merged.bed.gz')),
            ("intron",
             BedTool(gp + '/wgEncodeGencodeBasicV19.intron.merged.bed.gz')),
            ("promoter",
             BedTool(gp + '/wgEncodeGencodeBasicV19.promoter.merged.bed.gz')),
            ("utr5",
             BedTool(gp + '/wgEncodeGencodeBasicV19.utr5.merged.bed.gz')),
            ("utr3",
             BedTool(gp + '/wgEncodeGencodeBasicV19.utr3.merged.bed.gz')),
        ]
        # Overlap beds - could be done incrementally
        print("Overlapping all the bed-files")
        # The BT() and .fn are there in order to leverage BedToolLinecache
        self.overlap_beds = [(b, BT(self.bt.intersect(v, wa=True, c=True).fn))
                             for b, v in self.gencode_beds]
        print("Assesing the file")
        assert len(self.overlap_beds[1][1]) == len(self.bt)
        # Get the metadata features
        if cell_line is None:
            if RNAseq_PC_file is None:
                raise ValueError(
                    "RNAseq_PC_file has to be specified when cell_line=None")
            assert os.path.exists(RNAseq_PC_file)
        else:
            # Using the pre-defined cell-line
            output_dir = os.path.join(
                this_dir,
                "../../template/downloaded/dataloader_files/RNAseq_features/")
            makedir_exist_ok(output_dir)
            RNAseq_PC_file = os.path.join(output_dir, cell_line, "meta.txt")
            url_template = (
                'https://s3.eu-central-1.amazonaws.com/kipoi-models/dataloader_files/'
                'FactorNet/dataloader_files/RNAseq_features/{}/meta.txt')
            # rf = RemoteFile(url=url_template.format(cell_line))
            if not os.path.exists(
                    RNAseq_PC_file):  # or not rf.validate(mappability_file):
                # download the path
                download_url(url_template.format(cell_line),
                             os.path.join(output_dir, cell_line), "meta.txt")
                # rf.get_file(RNAseq_PC_file)

        self.meta_feat = pd.read_csv(RNAseq_PC_file, sep="\t",
                                     header=None)[0].values