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#!/usr/bin/env python3
"""
Helper script to
Takes either two args (release ident and archive.org item), or a stream of
tab-separated such pairs on stdin.
TODO:
- should this check the item type?
"""
import sys
import json
from typing import Any
import internetarchive
FORMAT_TO_MIMETYPE = {
'BZIP': 'application/x-bzip',
'BZIP2': 'application/x-bzip2',
'ZIP': 'application/zip',
'GZIP': 'application/gzip',
'RAR': 'application/vnd.rar',
'TAR': 'application/x-tar',
'7z': 'application/x-7z-compressed',
'HTML': 'text/html',
'Text': 'text/plain',
'PDF': 'application/pdf',
'CSV': 'text/csv',
'XML': 'application/xml',
'JSON': 'application/json',
#'application/msword (.doc)', # .doc
#'application/vnd.openxmlformats-officedocument.wordprocessingml.document', # .docx
#'application/vnd.ms-excel', # .xls
#'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet', # .xlsx
'MP3': 'audio/mpeg', # .mp3
'MP4': 'video/mp4', # .mp4
'MPEG': 'video/mpeg', # .mpeg
'JPEG': 'image/jpeg',
'GIF': 'image/gif',
'PNG': 'image/png',
'TIFF': 'image/tiff',
'Unknown': None,
}
def want_file(f: dict, item_name: str) -> bool:
"""
Filters IA API files
"""
if f.source != 'original':
return False
for suffix in [
'_meta.sqlite',
'_archive.torrent',
'_itemimage.jpg',
'_meta.xml',
'_thumb.png',
'_files.xml',
]:
if f.name == item_name + suffix or f.name == item_name.lower() + suffix:
return False
if f.name.startswith('_'):
return False
if item_name.startswith('academictorrents_'):
for suffix in ['_academictorrents.torrent', '_academictorrents_torrent.txt', '.bib']:
if f.name == item_name + suffix:
return False
return True
def parse_file(f: dict) -> dict:
"""
Takes an IA API file and turns it in to a fatcat fileset manifest file
"""
assert f.name and f.sha1 and f.md5
assert f.name is not None
mf = {
'path': f.name,
'size': int(f.size),
'sha1': f.sha1,
'md5': f.md5,
}
# TODO: will disable this hard check eventually and replace with:
#mimetype = FORMAT_TO_MIMETYPE.get(f.format)
mimetype = FORMAT_TO_MIMETYPE[f.format]
if mimetype:
mf['extra'] = dict(mimetype=mimetype)
return mf
def item_to_fileset(item_name: str, release_id: str, session: internetarchive.ArchiveSession):
print(f"processing item={item_name} release_id={release_id}", file=sys.stderr)
if release_id.startswith('release_'):
release_id = release_id[9:]
assert len(release_id) == 26
item = session.get_item(item_name)
assert item.metadata['mediatype'] not in ['collection', 'web']
item_files = item.get_files(on_the_fly=False)
manifest = [parse_file(f) for f in item_files if want_file(f, item_name)]
fileset = {
'manifest': manifest,
'urls': [
{
'rel': 'archive',
'url': f'https://archive.org/download/{item_name}/',
},
],
'release_ids': [release_id],
#extra={},
}
print(json.dumps(fileset))
return fileset
def main():
session = internetarchive.get_session()
if len(sys.argv) == 3:
item_name = sys.argv[1]
release_id = sys.argv[2]
item_to_fileset(item_name, release_id=release_id, session=session)
else:
for line in sys.stdin:
line = line.strip()
if not line:
continue
fields = line.split('\t')
assert len(fields) == 2
item_name = fields[0]
release_id = fields[1]
item_to_fileset(item_name, release_id=release_id, session=session)
if __name__ == '__main__':
main()
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