lbry-sdk/lbrynet/schema/legacy/migrate.py

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"""
migrate claim json schema (0.0.1-3) to protobuf (0.1.0)
"""
from lbrynet.schema.legacy import metadata_schemas
from lbrynet.schema.claim import ClaimDict
from .StructuredDict import StructuredDict
def migrate_001_to_002(metadata):
metadata['ver'] = '0.0.2'
metadata['nsfw'] = False
def migrate_002_to_003(metadata):
metadata['ver'] = '0.0.3'
if 'content-type' in metadata:
metadata['content_type'] = metadata['content-type']
del metadata['content-type']
class LegacyMetadata(StructuredDict):
current_version = '0.0.3'
_versions = [
('0.0.1', metadata_schemas.VER_001, None),
('0.0.2', metadata_schemas.VER_002, migrate_001_to_002),
('0.0.3', metadata_schemas.VER_003, migrate_002_to_003)
]
def __init__(self, metadata, migrate=True, target_version=None):
if not isinstance(metadata, dict):
raise TypeError("{} is not a dictionary".format(metadata))
starting_version = metadata.get('ver', '0.0.1')
StructuredDict.__init__(self, metadata, starting_version, migrate, target_version)
def migrate_003_to_010(value):
migrated_to_003 = LegacyMetadata(value)
metadata = {
"version": "_0_1_0"
}
for k in ["author", "description", "language", "license", "nsfw", "thumbnail", "title",
"preview"]:
if k in migrated_to_003:
metadata.update({k: migrated_to_003[k]})
if 'license_url' in migrated_to_003:
metadata['licenseUrl'] = migrated_to_003['license_url']
if "fee" in migrated_to_003:
fee = migrated_to_003["fee"]
currency = list(fee.keys())[0]
amount = fee[currency]['amount']
address = fee[currency]['address']
metadata.update(dict(fee={"currency": currency, "version": "_0_0_1",
"amount": amount, "address": address}))
source = {
"source": migrated_to_003['sources']['lbry_sd_hash'],
"contentType": migrated_to_003['content_type'],
"sourceType": "lbry_sd_hash",
"version": "_0_0_1"
}
migrated = {
"version": "_0_0_1",
"claimType": "streamType",
"stream": {
"version": "_0_0_1",
"metadata": metadata,
"source": source
}
}
return ClaimDict.load_dict(migrated)
def migrate(value):
return migrate_003_to_010(value)