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Source code for galaxy.datatypes.xml

"""
XML format classes
"""
import logging
import re
from typing import (
    List,
    TYPE_CHECKING,
)

from galaxy import util
from galaxy.datatypes.dataproviders.dataset import DatasetDataProvider
from galaxy.datatypes.dataproviders.hierarchy import XMLDataProvider
from galaxy.datatypes.metadata import MetadataElement
from galaxy.datatypes.sniff import (
    build_sniff_from_prefix,
    disable_parent_class_sniffing,
    FilePrefix,
)
from . import (
    data,
    dataproviders,
)

if TYPE_CHECKING:
    from galaxy.model import DatasetInstance

log = logging.getLogger(__name__)

OWL_MARKER = re.compile(r"\<owl:")
SBML_MARKER = re.compile(r"\<sbml")


[docs]@dataproviders.decorators.has_dataproviders @build_sniff_from_prefix class GenericXml(data.Text): """Base format class for any XML file.""" edam_format = "format_2332" file_ext = "xml"
[docs] def set_peek(self, dataset: "DatasetInstance", **kwd) -> None: """Set the peek and blurb text""" if not dataset.dataset.purged: dataset.peek = data.get_file_peek(dataset.file_name) dataset.blurb = "XML data" else: dataset.peek = "file does not exist" dataset.blurb = "file purged from disk"
def _has_root_element_in_prefix(self, file_prefix: FilePrefix, root: str) -> bool: for line in file_prefix.line_iterator(): if not line.startswith("<?"): break # pattern match <root or <ns:root for any ns string pattern = r"^<(\w*:)?%s" % root return re.match(pattern, line) is not None
[docs] def sniff_prefix(self, file_prefix: FilePrefix) -> bool: """ Determines whether the file is XML or not >>> from galaxy.datatypes.sniff import get_test_fname >>> fname = get_test_fname( 'megablast_xml_parser_test1.blastxml' ) >>> GenericXml().sniff( fname ) True >>> fname = get_test_fname( 'interval.interval' ) >>> GenericXml().sniff( fname ) False """ return file_prefix.startswith("<?xml ")
[docs] @staticmethod def merge(split_files: List[str], output_file: str) -> None: """Merging multiple XML files is non-trivial and must be done in subclasses.""" if len(split_files) > 1: raise NotImplementedError( "Merging multiple XML files is non-trivial and must be implemented for each XML type" ) # For one file only, use base class method (move/copy) data.Text.merge(split_files, output_file)
[docs] @dataproviders.decorators.dataprovider_factory("xml", XMLDataProvider.settings) def xml_dataprovider(self, dataset: "DatasetInstance", **settings) -> XMLDataProvider: dataset_source = DatasetDataProvider(dataset) return XMLDataProvider(dataset_source, **settings)
[docs]@disable_parent_class_sniffing class MEMEXml(GenericXml): """MEME XML Output data""" file_ext = "memexml"
[docs] def set_peek(self, dataset: "DatasetInstance", **kwd) -> None: """Set the peek and blurb text""" if not dataset.dataset.purged: dataset.peek = data.get_file_peek(dataset.file_name) dataset.blurb = "MEME XML data" else: dataset.peek = "file does not exist" dataset.blurb = "file purged from disk"
[docs]@disable_parent_class_sniffing class CisML(GenericXml): """CisML XML data""" # see: http://www.ncbi.nlm.nih.gov/pubmed/15001475 file_ext = "cisml"
[docs] def set_peek(self, dataset: "DatasetInstance", **kwd) -> None: """Set the peek and blurb text""" if not dataset.dataset.purged: dataset.peek = data.get_file_peek(dataset.file_name) dataset.blurb = "CisML data" else: dataset.peek = "file does not exist" dataset.blurb = "file purged from disk"
[docs]class Dzi(GenericXml): """ Deep zoom image format, see https://github.com/openseadragon/openseadragon/wiki/The-DZI-File-Format """ # General elements. MetadataElement( name="base_name", desc="Base name for this dataset", default="DeepZoomImage", readonly=True, set_in_upload=True ) MetadataElement(name="format", desc="File format of the tiles", default=None, readonly=True, visible=True) MetadataElement(name="tile_size", desc="Size of tiles", default=None, readonly=True, visible=True) # Collection elements. MetadataElement( name="max_level", desc="Max pyramid level", default=None, readonly=True, optional=True, visible=True ) MetadataElement(name="quality", desc="Quality", default=None, readonly=True, optional=True, visible=True) # Image elements. MetadataElement(name="height", desc="Size height", default=None, readonly=True, optional=True, visible=True) MetadataElement( name="overlap", desc="Overlap of all four sides of tiles", default=None, readonly=True, optional=True, visible=True, ) MetadataElement(name="width", desc="Size width", default=None, readonly=True, optional=True, visible=True) file_ext = "dzi"
[docs] def __init__(self, **kwd): super().__init__(**kwd)
[docs] def set_meta(self, dataset: "DatasetInstance", overwrite: bool = True, **kwd) -> None: tree = util.parse_xml(dataset.file_name) root = tree.getroot() dataset.metadata.format = root.get("Format") dataset.metadata.tile_size = root.get("TileSize") # DeepZoom image files can include # xml namespace attributes. if root.tag.find("Collection") >= 0: dataset.metadata.max_level = root.get("MaxLevel") dataset.metadata.quality = root.get("Quality") elif root.tag.find("Image") >= 0: dataset.metadata.overlap = root.get("Overlap") for elem in root: if elem.tag.find("Size") >= 0: dataset.metadata.width = elem.get("Width") dataset.metadata.height = elem.get("Height")
[docs] def set_peek(self, dataset: "DatasetInstance", **kwd) -> None: if not dataset.dataset.purged: dataset.peek = data.get_file_peek(dataset.file_name) dataset.blurb = "Deep Zoom Image" else: dataset.peek = "file does not exist" dataset.blurb = "file purged from disc"
[docs] def sniff_prefix(self, file_prefix: FilePrefix) -> bool: """ Checking for keyword - 'Collection' or 'Image' in the first 200 lines. >>> from galaxy.datatypes.sniff import get_test_fname >>> fname = get_test_fname('1.dzi') >>> Dzi().sniff(fname) True >>> fname = get_test_fname('megablast_xml_parser_test1.blastxml') >>> Dzi().sniff(fname) False """ for line in file_prefix.line_iterator(): line = line.lower() if line.find("<collection") >= 0 or line.find("<image") >= 0: return True return False
[docs]class Phyloxml(GenericXml): """Format for defining phyloxml data http://www.phyloxml.org/""" edam_data = "data_0872" edam_format = "format_3159" file_ext = "phyloxml"
[docs] def set_peek(self, dataset: "DatasetInstance", **kwd) -> None: """Set the peek and blurb text""" if not dataset.dataset.purged: dataset.peek = data.get_file_peek(dataset.file_name) dataset.blurb = "Phyloxml data" else: dataset.peek = "file does not exist" dataset.blurb = "file purged from disk"
[docs] def sniff_prefix(self, file_prefix: FilePrefix) -> bool: """ "Checking for keyword - 'phyloxml' always in lowercase in the first few lines. >>> from galaxy.datatypes.sniff import get_test_fname >>> fname = get_test_fname( '1.phyloxml' ) >>> Phyloxml().sniff( fname ) True >>> fname = get_test_fname( 'interval.interval' ) >>> Phyloxml().sniff( fname ) False >>> fname = get_test_fname( 'megablast_xml_parser_test1.blastxml' ) >>> Phyloxml().sniff( fname ) False """ return self._has_root_element_in_prefix(file_prefix, "phyloxml")
[docs]class Owl(GenericXml): """ Web Ontology Language OWL format description http://www.w3.org/TR/owl-ref/ """ edam_format = "format_3262" file_ext = "owl"
[docs] def set_peek(self, dataset: "DatasetInstance", **kwd) -> None: if not dataset.dataset.purged: dataset.peek = data.get_file_peek(dataset.file_name) dataset.blurb = "Web Ontology Language OWL" else: dataset.peek = "file does not exist" dataset.blurb = "file purged from disc"
[docs] def sniff_prefix(self, file_prefix: FilePrefix) -> bool: """ Checking for keyword - '<owl' in the first 200 lines. """ return file_prefix.search(OWL_MARKER)
[docs]class Sbml(GenericXml): """ System Biology Markup Language http://sbml.org """ file_ext = "sbml" edam_data = "data_2024" edam_format = "format_2585"
[docs] def set_peek(self, dataset: "DatasetInstance", **kwd) -> None: if not dataset.dataset.purged: dataset.peek = data.get_file_peek(dataset.file_name) dataset.blurb = "System Biology Markup Language SBML" else: dataset.peek = "file does not exist" dataset.blurb = "file purged from disc"
[docs] def sniff_prefix(self, file_prefix: FilePrefix) -> bool: """ Checking for keyword - '<sbml' in the first 200 lines. """ return file_prefix.search(SBML_MARKER)