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818 lines
28 KiB
Python
818 lines
28 KiB
Python
# This file is part of the musicbrainzngs library
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# Copyright (C) Alastair Porter, Adrian Sampson, and others
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# This file is distributed under a BSD-2-Clause type license.
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# See the COPYING file for more information.
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import re
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import xml.etree.ElementTree as ET
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import logging
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from . import util
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def fixtag(tag, namespaces):
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# given a decorated tag (of the form {uri}tag), return prefixed
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# tag and namespace declaration, if any
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if isinstance(tag, ET.QName):
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tag = tag.text
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namespace_uri, tag = tag[1:].split("}", 1)
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prefix = namespaces.get(namespace_uri)
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if prefix is None:
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prefix = "ns%d" % len(namespaces)
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namespaces[namespace_uri] = prefix
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if prefix == "xml":
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xmlns = None
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else:
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xmlns = ("xmlns:%s" % prefix, namespace_uri)
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else:
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xmlns = None
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return "%s:%s" % (prefix, tag), xmlns
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NS_MAP = {"http://musicbrainz.org/ns/mmd-2.0#": "ws2",
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"http://musicbrainz.org/ns/ext#-2.0": "ext"}
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_log = logging.getLogger("musicbrainzngs")
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def get_error_message(error):
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""" Given an error XML message from the webservice containing
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<error><text>x</text><text>y</text></error>, return a list
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of [x, y]"""
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try:
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tree = util.bytes_to_elementtree(error)
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root = tree.getroot()
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errors = []
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if root.tag == "error":
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for ch in root:
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if ch.tag == "text":
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errors.append(ch.text)
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return errors
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except ET.ParseError:
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return None
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def make_artist_credit(artists):
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names = []
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for artist in artists:
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if isinstance(artist, dict):
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if "name" in artist:
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names.append(artist.get("name", ""))
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else:
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names.append(artist.get("artist", {}).get("name", ""))
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else:
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names.append(artist)
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return "".join(names)
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def parse_elements(valid_els, inner_els, element):
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""" Extract single level subelements from an element.
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For example, given the element:
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<element>
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<subelement>Text</subelement>
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</element>
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and a list valid_els that contains "subelement",
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return a dict {'subelement': 'Text'}
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Delegate the parsing of multi-level subelements to another function.
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For example, given the element:
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<element>
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<subelement>
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<a>Foo</a><b>Bar</b>
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</subelement>
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</element>
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and a dictionary {'subelement': parse_subelement},
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call parse_subelement(<subelement>) and
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return a dict {'subelement': <result>}
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if parse_subelement returns a tuple of the form
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(True, {'subelement-key': <result>})
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then merge the second element of the tuple into the
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result (which may have a key other than 'subelement' or
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more than 1 key)
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"""
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result = {}
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for sub in element:
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t = fixtag(sub.tag, NS_MAP)[0]
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if ":" in t:
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t = t.split(":")[1]
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if t in valid_els:
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result[t] = sub.text or ""
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elif t in inner_els.keys():
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inner_result = inner_els[t](sub)
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if isinstance(inner_result, tuple) and inner_result[0]:
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result.update(inner_result[1])
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else:
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result[t] = inner_result
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# add counts for lists when available
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m = re.match(r'([a-z0-9-]+)-list', t)
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if m and "count" in sub.attrib:
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result["%s-count" % m.group(1)] = int(sub.attrib["count"])
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else:
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_log.info("in <%s>, uncaught <%s>",
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fixtag(element.tag, NS_MAP)[0], t)
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return result
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def parse_attributes(attributes, element):
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""" Extract attributes from an element.
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For example, given the element:
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<element type="Group" />
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and a list attributes that contains "type",
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return a dict {'type': 'Group'}
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"""
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result = {}
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for attr in element.attrib:
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if "{" in attr:
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a = fixtag(attr, NS_MAP)[0]
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else:
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a = attr
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if a in attributes:
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result[a] = element.attrib[attr]
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else:
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_log.info("in <%s>, uncaught attribute %s", fixtag(element.tag, NS_MAP)[0], attr)
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return result
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def parse_message(message):
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tree = util.bytes_to_elementtree(message)
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root = tree.getroot()
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result = {}
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valid_elements = {"area": parse_area,
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"artist": parse_artist,
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"instrument": parse_instrument,
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"label": parse_label,
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"place": parse_place,
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"event": parse_event,
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"release": parse_release,
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"release-group": parse_release_group,
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"series": parse_series,
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"recording": parse_recording,
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"work": parse_work,
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"url": parse_url,
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"disc": parse_disc,
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"cdstub": parse_cdstub,
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"isrc": parse_isrc,
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"annotation-list": parse_annotation_list,
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"area-list": parse_area_list,
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"artist-list": parse_artist_list,
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"label-list": parse_label_list,
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"place-list": parse_place_list,
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"event-list": parse_event_list,
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"instrument-list": parse_instrument_list,
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"release-list": parse_release_list,
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"release-group-list": parse_release_group_list,
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"series-list": parse_series_list,
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"recording-list": parse_recording_list,
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"work-list": parse_work_list,
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"url-list": parse_url_list,
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"collection-list": parse_collection_list,
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"collection": parse_collection,
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"message": parse_response_message
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}
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result.update(parse_elements([], valid_elements, root))
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return result
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def parse_response_message(message):
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return parse_elements(["text"], {}, message)
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def parse_collection_list(cl):
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return [parse_collection(c) for c in cl]
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def parse_collection(collection):
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result = {}
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attribs = ["id", "type", "entity-type"]
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elements = ["name", "editor"]
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inner_els = {"release-list": parse_release_list,
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"artist-list": parse_artist_list,
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"event-list": parse_event_list,
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"place-list": parse_place_list,
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"recording-list": parse_recording_list,
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"work-list": parse_work_list}
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result.update(parse_attributes(attribs, collection))
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result.update(parse_elements(elements, inner_els, collection))
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return result
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def parse_annotation_list(al):
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return [parse_annotation(a) for a in al]
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def parse_annotation(annotation):
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result = {}
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attribs = ["type", "ext:score"]
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elements = ["entity", "name", "text"]
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result.update(parse_attributes(attribs, annotation))
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result.update(parse_elements(elements, {}, annotation))
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return result
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def parse_lifespan(lifespan):
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parts = parse_elements(["begin", "end", "ended"], {}, lifespan)
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return parts
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def parse_area_list(al):
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return [parse_area(a) for a in al]
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def parse_area(area):
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result = {}
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attribs = ["id", "type", "ext:score"]
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elements = ["name", "sort-name", "disambiguation"]
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inner_els = {"life-span": parse_lifespan,
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"alias-list": parse_alias_list,
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"relation-list": parse_relation_list,
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"annotation": parse_annotation,
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"iso-3166-1-code-list": parse_element_list,
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"iso-3166-2-code-list": parse_element_list,
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"iso-3166-3-code-list": parse_element_list}
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result.update(parse_attributes(attribs, area))
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result.update(parse_elements(elements, inner_els, area))
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return result
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def parse_artist_list(al):
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return [parse_artist(a) for a in al]
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def parse_artist(artist):
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result = {}
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attribs = ["id", "type", "ext:score"]
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elements = ["name", "sort-name", "country", "user-rating",
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"disambiguation", "gender", "ipi"]
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inner_els = {"area": parse_area,
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"begin-area": parse_area,
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"end-area": parse_area,
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"life-span": parse_lifespan,
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"recording-list": parse_recording_list,
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"relation-list": parse_relation_list,
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"release-list": parse_release_list,
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"release-group-list": parse_release_group_list,
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"work-list": parse_work_list,
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"tag-list": parse_tag_list,
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"user-tag-list": parse_tag_list,
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"rating": parse_rating,
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"ipi-list": parse_element_list,
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"isni-list": parse_element_list,
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"alias-list": parse_alias_list,
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"annotation": parse_annotation}
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result.update(parse_attributes(attribs, artist))
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result.update(parse_elements(elements, inner_els, artist))
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return result
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def parse_coordinates(c):
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return parse_elements(['latitude', 'longitude'], {}, c)
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def parse_place_list(pl):
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return [parse_place(p) for p in pl]
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def parse_place(place):
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result = {}
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attribs = ["id", "type", "ext:score"]
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elements = ["name", "address",
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"ipi", "disambiguation"]
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inner_els = {"area": parse_area,
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"coordinates": parse_coordinates,
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"life-span": parse_lifespan,
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"tag-list": parse_tag_list,
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"user-tag-list": parse_tag_list,
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"alias-list": parse_alias_list,
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"relation-list": parse_relation_list,
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"annotation": parse_annotation}
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result.update(parse_attributes(attribs, place))
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result.update(parse_elements(elements, inner_els, place))
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return result
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def parse_event_list(el):
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return [parse_event(e) for e in el]
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def parse_event(event):
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result = {}
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attribs = ["id", "type", "ext:score"]
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elements = ["name", "time", "setlist", "cancelled", "disambiguation", "user-rating"]
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inner_els = {"life-span": parse_lifespan,
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"relation-list": parse_relation_list,
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"alias-list": parse_alias_list,
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"tag-list": parse_tag_list,
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"user-tag-list": parse_tag_list,
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"rating": parse_rating}
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result.update(parse_attributes(attribs, event))
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result.update(parse_elements(elements, inner_els, event))
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return result
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def parse_instrument(instrument):
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result = {}
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attribs = ["id", "type", "ext:score"]
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elements = ["name", "description", "disambiguation"]
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inner_els = {"relation-list": parse_relation_list,
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"tag-list": parse_tag_list,
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"alias-list": parse_alias_list,
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"annotation": parse_annotation}
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result.update(parse_attributes(attribs, instrument))
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result.update(parse_elements(elements, inner_els, instrument))
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return result
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def parse_label_list(ll):
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return [parse_label(l) for l in ll]
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def parse_label(label):
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result = {}
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attribs = ["id", "type", "ext:score"]
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elements = ["name", "sort-name", "country", "label-code", "user-rating",
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"ipi", "disambiguation"]
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inner_els = {"area": parse_area,
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"life-span": parse_lifespan,
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"release-list": parse_release_list,
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"tag-list": parse_tag_list,
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"user-tag-list": parse_tag_list,
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"rating": parse_rating,
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"ipi-list": parse_element_list,
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"alias-list": parse_alias_list,
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"relation-list": parse_relation_list,
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"annotation": parse_annotation}
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result.update(parse_attributes(attribs, label))
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result.update(parse_elements(elements, inner_els, label))
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return result
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def parse_relation_target(tgt):
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attributes = parse_attributes(['id'], tgt)
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if 'id' in attributes:
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return (True, {'target-id': attributes['id']})
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else:
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return (True, {'target-id': tgt.text})
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def parse_relation_list(rl):
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attribs = ["target-type"]
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ttype = parse_attributes(attribs, rl)
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key = "%s-relation-list" % ttype["target-type"]
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return (True, {key: [parse_relation(r) for r in rl]})
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def parse_relation(relation):
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result = {}
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attribs = ["type", "type-id"]
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elements = ["target", "direction", "begin", "end", "ended", "ordering-key"]
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inner_els = {"area": parse_area,
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"artist": parse_artist,
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"instrument": parse_instrument,
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"label": parse_label,
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"place": parse_place,
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"event": parse_event,
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"recording": parse_recording,
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"release": parse_release,
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"release-group": parse_release_group,
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"series": parse_series,
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"attribute-list": parse_element_list,
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"work": parse_work,
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"target": parse_relation_target
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}
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result.update(parse_attributes(attribs, relation))
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result.update(parse_elements(elements, inner_els, relation))
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# We parse attribute-list again to get attributes that have both
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# text and attribute values
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result.update(parse_elements(['target-credit'], {"attribute-list": parse_relation_attribute_list}, relation))
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return result
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def parse_relation_attribute_list(attributelist):
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ret = []
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for attribute in attributelist:
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ret.append(parse_relation_attribute_element(attribute))
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return (True, {"attributes": ret})
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def parse_relation_attribute_element(element):
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# Parses an attribute into a dictionary containing an element
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# {"attribute": <text value>} and also an additional element
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# containing any xml attributes.
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# e.g <attribute value="BuxWV 1">number</attribute>
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# -> {"attribute": "number", "value": "BuxWV 1"}
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result = {}
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for attr in element.attrib:
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if "{" in attr:
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a = fixtag(attr, NS_MAP)[0]
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else:
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a = attr
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result[a] = element.attrib[attr]
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result["attribute"] = element.text
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return result
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def parse_release(release):
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result = {}
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attribs = ["id", "ext:score"]
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elements = ["title", "status", "disambiguation", "quality", "country",
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"barcode", "date", "packaging", "asin"]
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inner_els = {"text-representation": parse_text_representation,
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"artist-credit": parse_artist_credit,
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"label-info-list": parse_label_info_list,
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"medium-list": parse_medium_list,
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"release-group": parse_release_group,
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"tag-list": parse_tag_list,
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"user-tag-list": parse_tag_list,
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"relation-list": parse_relation_list,
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"annotation": parse_annotation,
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"cover-art-archive": parse_caa,
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"release-event-list": parse_release_event_list}
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result.update(parse_attributes(attribs, release))
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result.update(parse_elements(elements, inner_els, release))
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if "artist-credit" in result:
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result["artist-credit-phrase"] = make_artist_credit(
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result["artist-credit"])
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return result
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def parse_medium_list(ml):
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"""medium-list results from search have an additional
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<track-count> element containing the number of tracks
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over all mediums. Optionally add this"""
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medium_list = []
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track_count = None
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for m in ml:
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tag = fixtag(m.tag, NS_MAP)[0]
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if tag == "ws2:medium":
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medium_list.append(parse_medium(m))
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elif tag == "ws2:track-count":
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track_count = int(m.text)
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ret = {"medium-list": medium_list}
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if track_count is not None:
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ret["medium-track-count"] = track_count
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return (True, ret)
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def parse_release_event_list(rel):
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return [parse_release_event(re) for re in rel]
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def parse_release_event(event):
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result = {}
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elements = ["date"]
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inner_els = {"area": parse_area}
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result.update(parse_elements(elements, inner_els, event))
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return result
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def parse_medium(medium):
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result = {}
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elements = ["position", "format", "title"]
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inner_els = {"disc-list": parse_disc_list,
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"pregap": parse_track,
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"track-list": parse_track_list,
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"data-track-list": parse_track_list}
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result.update(parse_elements(elements, inner_els, medium))
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return result
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def parse_disc_list(dl):
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return [parse_disc(d) for d in dl]
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def parse_text_representation(textr):
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return parse_elements(["language", "script"], {}, textr)
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def parse_release_group(rg):
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result = {}
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attribs = ["id", "type", "ext:score"]
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elements = ["title", "user-rating", "first-release-date", "primary-type",
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"disambiguation"]
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inner_els = {"artist-credit": parse_artist_credit,
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"release-list": parse_release_list,
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"tag-list": parse_tag_list,
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"user-tag-list": parse_tag_list,
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"secondary-type-list": parse_element_list,
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"relation-list": parse_relation_list,
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"rating": parse_rating,
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"annotation": parse_annotation}
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result.update(parse_attributes(attribs, rg))
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result.update(parse_elements(elements, inner_els, rg))
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if "artist-credit" in result:
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result["artist-credit-phrase"] = make_artist_credit(result["artist-credit"])
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return result
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def parse_recording(recording):
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result = {}
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attribs = ["id", "ext:score"]
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elements = ["title", "length", "user-rating", "disambiguation", "video"]
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inner_els = {"artist-credit": parse_artist_credit,
|
|
"release-list": parse_release_list,
|
|
"tag-list": parse_tag_list,
|
|
"user-tag-list": parse_tag_list,
|
|
"rating": parse_rating,
|
|
"isrc-list": parse_external_id_list,
|
|
"relation-list": parse_relation_list,
|
|
"annotation": parse_annotation}
|
|
|
|
result.update(parse_attributes(attribs, recording))
|
|
result.update(parse_elements(elements, inner_els, recording))
|
|
if "artist-credit" in result:
|
|
result["artist-credit-phrase"] = make_artist_credit(result["artist-credit"])
|
|
|
|
return result
|
|
|
|
def parse_series_list(sl):
|
|
return [parse_series(s) for s in sl]
|
|
|
|
def parse_series(series):
|
|
result = {}
|
|
attribs = ["id", "type", "ext:score"]
|
|
elements = ["name", "disambiguation"]
|
|
inner_els = {"alias-list": parse_alias_list,
|
|
"relation-list": parse_relation_list,
|
|
"annotation": parse_annotation}
|
|
|
|
result.update(parse_attributes(attribs, series))
|
|
result.update(parse_elements(elements, inner_els, series))
|
|
|
|
return result
|
|
|
|
def parse_external_id_list(pl):
|
|
return [parse_attributes(["id"], p)["id"] for p in pl]
|
|
|
|
def parse_element_list(el):
|
|
return [e.text for e in el]
|
|
|
|
def parse_work_list(wl):
|
|
return [parse_work(w) for w in wl]
|
|
|
|
def parse_work(work):
|
|
result = {}
|
|
attribs = ["id", "ext:score", "type"]
|
|
elements = ["title", "user-rating", "language", "iswc", "disambiguation"]
|
|
inner_els = {"tag-list": parse_tag_list,
|
|
"user-tag-list": parse_tag_list,
|
|
"rating": parse_rating,
|
|
"alias-list": parse_alias_list,
|
|
"iswc-list": parse_element_list,
|
|
"relation-list": parse_relation_list,
|
|
"annotation": parse_response_message,
|
|
"attribute-list": parse_work_attribute_list
|
|
}
|
|
|
|
result.update(parse_attributes(attribs, work))
|
|
result.update(parse_elements(elements, inner_els, work))
|
|
|
|
return result
|
|
|
|
def parse_work_attribute_list(wal):
|
|
return [parse_work_attribute(wa) for wa in wal]
|
|
|
|
def parse_work_attribute(wa):
|
|
attribs = ["type"]
|
|
typeinfo = parse_attributes(attribs, wa)
|
|
result = {}
|
|
if typeinfo:
|
|
result = {"attribute": typeinfo["type"],
|
|
"value": wa.text}
|
|
|
|
return result
|
|
|
|
|
|
def parse_url_list(ul):
|
|
return [parse_url(u) for u in ul]
|
|
|
|
def parse_url(url):
|
|
result = {}
|
|
attribs = ["id"]
|
|
elements = ["resource"]
|
|
inner_els = {"relation-list": parse_relation_list}
|
|
|
|
result.update(parse_attributes(attribs, url))
|
|
result.update(parse_elements(elements, inner_els, url))
|
|
|
|
return result
|
|
|
|
def parse_disc(disc):
|
|
result = {}
|
|
attribs = ["id"]
|
|
elements = ["sectors"]
|
|
inner_els = {"release-list": parse_release_list,
|
|
"offset-list": parse_offset_list
|
|
}
|
|
|
|
result.update(parse_attributes(attribs, disc))
|
|
result.update(parse_elements(elements, inner_els, disc))
|
|
|
|
return result
|
|
|
|
def parse_cdstub(cdstub):
|
|
result = {}
|
|
attribs = ["id"]
|
|
elements = ["title", "artist", "barcode"]
|
|
inner_els = {"track-list": parse_track_list}
|
|
|
|
result.update(parse_attributes(attribs, cdstub))
|
|
result.update(parse_elements(elements, inner_els, cdstub))
|
|
|
|
return result
|
|
|
|
def parse_offset_list(ol):
|
|
return [int(o.text) for o in ol]
|
|
|
|
def parse_instrument_list(rl):
|
|
result = []
|
|
for r in rl:
|
|
result.append(parse_instrument(r))
|
|
return result
|
|
|
|
def parse_release_list(rl):
|
|
result = []
|
|
for r in rl:
|
|
result.append(parse_release(r))
|
|
return result
|
|
|
|
def parse_release_group_list(rgl):
|
|
result = []
|
|
for rg in rgl:
|
|
result.append(parse_release_group(rg))
|
|
return result
|
|
|
|
def parse_isrc(isrc):
|
|
result = {}
|
|
attribs = ["id"]
|
|
inner_els = {"recording-list": parse_recording_list}
|
|
|
|
result.update(parse_attributes(attribs, isrc))
|
|
result.update(parse_elements([], inner_els, isrc))
|
|
|
|
return result
|
|
|
|
def parse_recording_list(recs):
|
|
result = []
|
|
for r in recs:
|
|
result.append(parse_recording(r))
|
|
return result
|
|
|
|
def parse_artist_credit(ac):
|
|
result = []
|
|
for namecredit in ac:
|
|
result.append(parse_name_credit(namecredit))
|
|
join = parse_attributes(["joinphrase"], namecredit)
|
|
if "joinphrase" in join:
|
|
result.append(join["joinphrase"])
|
|
return result
|
|
|
|
def parse_name_credit(nc):
|
|
result = {}
|
|
elements = ["name"]
|
|
inner_els = {"artist": parse_artist}
|
|
|
|
result.update(parse_elements(elements, inner_els, nc))
|
|
|
|
return result
|
|
|
|
def parse_label_info_list(lil):
|
|
result = []
|
|
|
|
for li in lil:
|
|
result.append(parse_label_info(li))
|
|
return result
|
|
|
|
def parse_label_info(li):
|
|
result = {}
|
|
elements = ["catalog-number"]
|
|
inner_els = {"label": parse_label}
|
|
|
|
result.update(parse_elements(elements, inner_els, li))
|
|
return result
|
|
|
|
def parse_track_list(tl):
|
|
result = []
|
|
for t in tl:
|
|
result.append(parse_track(t))
|
|
return result
|
|
|
|
def parse_track(track):
|
|
result = {}
|
|
attribs = ["id"]
|
|
elements = ["number", "position", "title", "length"]
|
|
inner_els = {"recording": parse_recording,
|
|
"artist-credit": parse_artist_credit}
|
|
|
|
result.update(parse_attributes(attribs, track))
|
|
result.update(parse_elements(elements, inner_els, track))
|
|
if "artist-credit" in result.get("recording", {}) and "artist-credit" not in result:
|
|
result["artist-credit"] = result["recording"]["artist-credit"]
|
|
if "artist-credit" in result:
|
|
result["artist-credit-phrase"] = make_artist_credit(result["artist-credit"])
|
|
# Make a length field that contains track length or recording length
|
|
track_or_recording = None
|
|
if "length" in result:
|
|
track_or_recording = result["length"]
|
|
elif result.get("recording", {}).get("length"):
|
|
track_or_recording = result.get("recording", {}).get("length")
|
|
if track_or_recording:
|
|
result["track_or_recording_length"] = track_or_recording
|
|
return result
|
|
|
|
def parse_tag_list(tl):
|
|
return [parse_tag(t) for t in tl]
|
|
|
|
def parse_tag(tag):
|
|
result = {}
|
|
attribs = ["count"]
|
|
elements = ["name"]
|
|
|
|
result.update(parse_attributes(attribs, tag))
|
|
result.update(parse_elements(elements, {}, tag))
|
|
|
|
return result
|
|
|
|
def parse_rating(rating):
|
|
result = {}
|
|
attribs = ["votes-count"]
|
|
|
|
result.update(parse_attributes(attribs, rating))
|
|
result["rating"] = rating.text
|
|
|
|
return result
|
|
|
|
def parse_alias_list(al):
|
|
return [parse_alias(a) for a in al]
|
|
|
|
def parse_alias(alias):
|
|
result = {}
|
|
attribs = ["locale", "sort-name", "type", "primary",
|
|
"begin-date", "end-date"]
|
|
|
|
result.update(parse_attributes(attribs, alias))
|
|
result["alias"] = alias.text
|
|
|
|
return result
|
|
|
|
def parse_caa(caa_element):
|
|
result = {}
|
|
elements = ["artwork", "count", "front", "back", "darkened"]
|
|
|
|
result.update(parse_elements(elements, {}, caa_element))
|
|
return result
|
|
|
|
|
|
###
|
|
|
|
def make_barcode_request(release2barcode):
|
|
NS = "http://musicbrainz.org/ns/mmd-2.0#"
|
|
root = ET.Element("{%s}metadata" % NS)
|
|
rel_list = ET.SubElement(root, "{%s}release-list" % NS)
|
|
for release, barcode in release2barcode.items():
|
|
rel_xml = ET.SubElement(rel_list, "{%s}release" % NS)
|
|
bar_xml = ET.SubElement(rel_xml, "{%s}barcode" % NS)
|
|
rel_xml.set("{%s}id" % NS, release)
|
|
bar_xml.text = barcode
|
|
|
|
return ET.tostring(root, "utf-8")
|
|
|
|
def make_tag_request(**kwargs):
|
|
NS = "http://musicbrainz.org/ns/mmd-2.0#"
|
|
root = ET.Element("{%s}metadata" % NS)
|
|
for entity_type in ['artist', 'label', 'place', 'recording', 'release', 'release_group', 'work']:
|
|
entity_tags = kwargs.pop(entity_type + '_tags', None)
|
|
if entity_tags is not None:
|
|
e_list = ET.SubElement(root, "{%s}%s-list" % (NS, entity_type.replace('_', '-')))
|
|
for e, tags in entity_tags.items():
|
|
e_xml = ET.SubElement(e_list, "{%s}%s" % (NS, entity_type.replace('_', '-')))
|
|
e_xml.set("{%s}id" % NS, e)
|
|
taglist = ET.SubElement(e_xml, "{%s}user-tag-list" % NS)
|
|
for tag in tags:
|
|
usertag_xml = ET.SubElement(taglist, "{%s}user-tag" % NS)
|
|
name_xml = ET.SubElement(usertag_xml, "{%s}name" % NS)
|
|
name_xml.text = tag
|
|
if kwargs.keys():
|
|
raise TypeError("make_tag_request() got an unexpected keyword argument '%s'" % kwargs.popitem()[0])
|
|
|
|
return ET.tostring(root, "utf-8")
|
|
|
|
def make_rating_request(**kwargs):
|
|
NS = "http://musicbrainz.org/ns/mmd-2.0#"
|
|
root = ET.Element("{%s}metadata" % NS)
|
|
for entity_type in ['artist', 'label', 'recording', 'release_group', 'work']:
|
|
entity_ratings = kwargs.pop(entity_type + '_ratings', None)
|
|
if entity_ratings is not None:
|
|
e_list = ET.SubElement(root, "{%s}%s-list" % (NS, entity_type.replace('_', '-')))
|
|
for e, rating in entity_ratings.items():
|
|
e_xml = ET.SubElement(e_list, "{%s}%s" % (NS, entity_type.replace('_', '-')))
|
|
e_xml.set("{%s}id" % NS, e)
|
|
rating_xml = ET.SubElement(e_xml, "{%s}user-rating" % NS)
|
|
rating_xml.text = str(rating)
|
|
if kwargs.keys():
|
|
raise TypeError("make_rating_request() got an unexpected keyword argument '%s'" % kwargs.popitem()[0])
|
|
|
|
return ET.tostring(root, "utf-8")
|
|
|
|
def make_isrc_request(recording2isrcs):
|
|
NS = "http://musicbrainz.org/ns/mmd-2.0#"
|
|
root = ET.Element("{%s}metadata" % NS)
|
|
rec_list = ET.SubElement(root, "{%s}recording-list" % NS)
|
|
for rec, isrcs in recording2isrcs.items():
|
|
if len(isrcs) > 0:
|
|
rec_xml = ET.SubElement(rec_list, "{%s}recording" % NS)
|
|
rec_xml.set("{%s}id" % NS, rec)
|
|
isrc_list_xml = ET.SubElement(rec_xml, "{%s}isrc-list" % NS)
|
|
isrc_list_xml.set("{%s}count" % NS, str(len(isrcs)))
|
|
for isrc in isrcs:
|
|
isrc_xml = ET.SubElement(isrc_list_xml, "{%s}isrc" % NS)
|
|
isrc_xml.set("{%s}id" % NS, isrc)
|
|
return ET.tostring(root, "utf-8")
|