lbry-sdk/lbrynet/metadata/Metadata.py

38 lines
1.1 KiB
Python
Raw Normal View History

import logging
from lbrynet.metadata.StructuredDict import StructuredDict
import metadata_schemas
log = logging.getLogger(__name__)
NAME_ALLOWED_CHARSET = 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0987654321-'
def verify_name_characters(name):
for c in name:
assert c in NAME_ALLOWED_CHARSET, "Invalid character"
return True
2016-10-14 21:31:32 +02:00
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 Metadata(StructuredDict):
current_version = '0.0.3'
2016-10-14 21:31:32 +02:00
_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)
]
2016-10-14 21:31:32 +02:00
def __init__(self, metadata, migrate=True, target_version=None):
starting_version = metadata.get('ver', '0.0.1')
2016-10-14 21:31:32 +02:00
StructuredDict.__init__(self, metadata, starting_version, migrate, target_version)