forked from LBRYCommunity/lbry-sdk
86 lines
3 KiB
Python
86 lines
3 KiB
Python
import logging
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from lbrynet.metadata.Validator import Validator, skip_validate
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from lbrynet.metadata.Fee import FeeValidator, verify_supported_currency
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from lbrynet.conf import SOURCE_TYPES
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log = logging.getLogger(__name__)
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NAME_ALLOWED_CHARSET = 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0987654321-'
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def verify_name_characters(name):
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for c in name:
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assert c in NAME_ALLOWED_CHARSET, "Invalid character"
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return True
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def validate_sources(sources):
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for source in sources:
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assert source in SOURCE_TYPES, "Unknown source type: %s" % str(source)
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return True
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class Metadata(Validator):
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MV001 = "0.0.1"
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MV002 = "0.0.2"
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MV003 = "0.0.3"
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CURRENT_METADATA_VERSION = MV003
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METADATA_REVISIONS = {}
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METADATA_REVISIONS[MV001] = [
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(Validator.REQUIRE, 'title', skip_validate),
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(Validator.REQUIRE, 'description', skip_validate),
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(Validator.REQUIRE, 'author', skip_validate),
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(Validator.REQUIRE, 'language', skip_validate),
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(Validator.REQUIRE, 'license', skip_validate),
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(Validator.REQUIRE, 'content-type', skip_validate),
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(Validator.REQUIRE, 'sources', validate_sources),
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(Validator.OPTIONAL, 'thumbnail', skip_validate),
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(Validator.OPTIONAL, 'preview', skip_validate),
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(Validator.OPTIONAL, 'fee', verify_supported_currency),
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(Validator.OPTIONAL, 'contact', skip_validate),
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(Validator.OPTIONAL, 'pubkey', skip_validate),
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]
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METADATA_REVISIONS[MV002] = [
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(Validator.REQUIRE, 'nsfw', skip_validate),
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(Validator.REQUIRE, 'ver', skip_validate),
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(Validator.OPTIONAL, 'license_url', skip_validate),
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]
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METADATA_REVISIONS[MV003] = [
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(Validator.REQUIRE, 'content_type', skip_validate),
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(Validator.SKIP, 'content-type'),
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(Validator.OPTIONAL, 'sig', skip_validate),
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(Validator.IF_KEY, 'sig', (Validator.REQUIRE, 'pubkey', skip_validate), Validator.DO_NOTHING),
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(Validator.IF_KEY, 'pubkey', (Validator.REQUIRE, 'sig', skip_validate), Validator.DO_NOTHING),
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]
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MIGRATE_MV001_TO_MV002 = [
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(Validator.IF_KEY, 'nsfw', Validator.DO_NOTHING, (Validator.LOAD, 'nsfw', False)),
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(Validator.IF_KEY, 'ver', Validator.DO_NOTHING, (Validator.LOAD, 'ver', MV002)),
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]
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MIGRATE_MV002_TO_MV003 = [
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(Validator.IF_KEY, 'content-type', (Validator.UPDATE, 'content-type', 'content_type'), Validator.DO_NOTHING),
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(Validator.IF_VAL, 'ver', MV002, (Validator.LOAD, 'ver', MV003), Validator.DO_NOTHING),
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]
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METADATA_MIGRATIONS = [
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MIGRATE_MV001_TO_MV002,
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MIGRATE_MV002_TO_MV003,
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]
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current_version = CURRENT_METADATA_VERSION
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versions = METADATA_REVISIONS
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migrations = METADATA_MIGRATIONS
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def __init__(self, metadata, process_now=True):
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Validator.__init__(self, metadata, process_now)
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self.meta_version = self.get('ver', Metadata.MV001)
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self._load_fee()
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def _load_fee(self):
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if 'fee' in self:
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self.update({'fee': FeeValidator(self['fee'])})
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