diff options
Diffstat (limited to 'python')
| -rw-r--r-- | python/sandcrawler/fileset_platforms.py | 100 |
1 files changed, 100 insertions, 0 deletions
diff --git a/python/sandcrawler/fileset_platforms.py b/python/sandcrawler/fileset_platforms.py index 79f4033..73b1676 100644 --- a/python/sandcrawler/fileset_platforms.py +++ b/python/sandcrawler/fileset_platforms.py @@ -289,6 +289,105 @@ class FigshareHelper(DatasetPlatformHelper): extra=dict(version=dataset_version), ) +class ZenodoHelper(DatasetPlatformHelper): + + def __init__(self): + self.platform_name = 'zenodo' + self.session = requests.Session() + + def match_request(self, request: dict , resource: Optional[ResourceResult], html_biblio: Optional[BiblioMetadata]) -> bool: + + if resource and resource.terminal_url: + url = resource.terminal_url + else: + url = request['base_url'] + + components = urllib.parse.urlparse(url) + platform_domain = components.netloc.split(':')[0].lower() + if platform_domain == 'zenodo.org' and '/record/' in components.path: + return True + return False + + def process_request(self, request: dict, resource: Optional[ResourceResult], html_biblio: Optional[BiblioMetadata]) -> DatasetPlatformItem: + """ + Fetch platform-specific metadata for this request (eg, via API calls) + """ + + if resource and resource.terminal_url: + url = resource.terminal_url + else: + url = request['base_url'] + + # 1. extract identifier from URL + # eg: https://zenodo.org/record/5230255 + components = urllib.parse.urlparse(url) + platform_domain = components.netloc.split(':')[0].lower() + if len(components.path.split('/')) < 2: + raise ValueError("Expected a complete, versioned figshare URL") + + platform_id = components.path.split('/')[2] + assert platform_id.isdigit(), f"expected numeric: {platform_id}" + + if not 'zenodo.org' in platform_domain: + raise ValueError(f"unexpected zenodo.org domain: {platform_domain}") + + # 2. API fetch + obj = self.session.get(f"https://zenodo.org/api/records/{platform_id}").json() + + assert obj['id'] == int(platform_id) + work_id = obj['conceptdoi'] + if work_id == obj['id']: + raise ValueError("got a work-level zenodo record, not a versioned record: {work_id}") + + zenodo_type = obj['metadata']['resource_type']['type'] + + manifest = [] + for row in obj['files']: + mf = FilesetManifestFile( + path=row['key'], + size=row['size'], + platform_url=row['links']['self'], + #extra=dict(), + ) + checksum = row['checksum'] + # eg: md5:35ffcab905f8224556dba76648cb7dad + if checksum.startswith('md5:'): + mf.md5 = checksum[4:] + elif checksum.startswith('sha1:'): + mf.sha1 = checksum[45] + manifest.append(mf) + + authors = [] + for author in obj['metadata']['creators']: + authors.append(author['name']) + archiveorg_item_name = f"{platform_domain}-{platform_id}" + archiveorg_item_meta = dict( + # XXX: collection=platform_domain, + collection="datasets", + creator=authors, + doi=obj['doi'], + title=obj['metadata']['title'], + date=obj['metadata']['publication_date'], + source=obj['links']['html'], + description=obj['metadata']['description'], + license=obj['metadata']['license']['id'], + version=obj['revision'], + # obj['metadata']['version'] is, eg, git version tag + ) + + return DatasetPlatformItem( + platform_name=self.platform_name, + platform_status='success', + manifest=manifest, + platform_domain=platform_domain, + platform_id=platform_id, + archiveorg_item_name=archiveorg_item_name, + archiveorg_item_meta=archiveorg_item_meta, + #web_bundle_url=f"https://ndownloader.figshare.com/articles/{platform_id}/versions/{dataset_version}", + # TODO: web_base_url= (for GWB downloading, in lieu of platform_url on individual files) + extra=dict(version=obj['revision']), + ) + class ArchiveOrgHelper(DatasetPlatformHelper): @@ -436,5 +535,6 @@ class ArchiveOrgHelper(DatasetPlatformHelper): DATASET_PLATFORM_HELPER_TABLE = { 'dataverse': DataverseHelper(), 'figshare': FigshareHelper(), + 'zenodo': ZenodoHelper(), 'archiveorg': ArchiveOrgHelper(), } |