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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 json
import sys
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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