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from enum import Enum
from typing import Optional, List
from pydantic import BaseModel
from fatcat_openapi_client import ReleaseEntity
class AccessType(str, Enum):
"""describes type of access URL"""
wayback = "wayback"
ia_file = "ia_file"
ia_microfilm = "ia_microfilm"
repository = "repository"
openlibrary = "openlibrary"
wikipedia = "wikipedia"
class AccessOption(BaseModel):
access_type: AccessType
# note: for `target_url` refs, would do a CDX lookup and this URL would be
# a valid/HTTP-200 web.archive.org capture URL
access_url: str
# application/pdf, text/html, etc
# blank for landing pages
mimetype: Optional[str]
size_bytes: Optional[int]
thumbnail_url: Optional[str]
def release_access_options(release: ReleaseEntity) -> List[AccessOption]:
"""
Extracts access options from a release.
TODO: proper implementation
"""
options = []
for f in (release.files or []):
for u in (f.urls or []):
if '://web.archive.org/' in u.url:
return [AccessOption(
access_type="wayback",
access_url=u.url,
mimetype=f.mimetype,
size_bytes=f.size,
thumbnail_url=None
)]
elif '://archive.org/' in u.url:
return [AccessOption(
access_type="ia_file",
access_url=u.url,
mimetype=f.mimetype,
size_bytes=f.size,
thumbnail_url=None
)]
return options
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