use grobid_tei_xml for grobid unstructured lookups

4 files changed, 56 insertions, 277 deletions

diff --git a/fuzzycat/grobid2json.py b/fuzzycat/grobid2json.py
deleted file mode 100755
index c5aa0d2..0000000
--- a/fuzzycat/grobid2json.py
+++ /dev/null
@@ -1,213 +0,0 @@
-"""
-This file originally copied from the webgroup/sandcrawler repository.
-
-Parse GROBID TEI-XML and extract metadata into simple dict format. In
-particular, for fuzzycat, used with GROBID to parse raw ("unstructured")
-citation strings.
-"""
-
-import argparse
-import io
-import json
-import xml.etree.ElementTree as ET
-from typing import Any, AnyStr, Dict, List, Optional
-
-xml_ns = "http://www.w3.org/XML/1998/namespace"
-ns = "http://www.tei-c.org/ns/1.0"
-
-
-def all_authors(elem: Optional[ET.Element], ns: str = ns) -> List[Dict[str, Any]]:
-    if not elem:
-        return []
-    names = []
-    for author in elem.findall(".//{%s}author" % ns):
-        pn = author.find("./{%s}persName" % ns)
-        if not pn:
-            continue
-        given_name = pn.findtext("./{%s}forename" % ns) or None
-        surname = pn.findtext("./{%s}surname" % ns) or None
-        full_name = " ".join(pn.itertext()).strip()
-        full_name = " ".join(full_name.split())
-        obj: Dict[str, Any] = dict(name=full_name)
-        if given_name:
-            obj["given_name"] = given_name
-        if surname:
-            obj["surname"] = surname
-        ae = author.find("./{%s}affiliation" % ns)
-        if ae:
-            affiliation: Dict[str, Any] = dict()
-            for on in ae.findall("./{%s}orgName" % ns):
-                on_type = on.get("type")
-                if on_type:
-                    affiliation[on_type] = on.text
-            addr_e = ae.find("./{%s}address" % ns)
-            if addr_e:
-                address = dict()
-                for t in addr_e.getchildren():
-                    address[t.tag.split("}")[-1]] = t.text
-                if address:
-                    affiliation["address"] = address
-                # affiliation['address'] = {
-                #    'post_code': addr.findtext('./{%s}postCode' % ns) or None,
-                #    'settlement': addr.findtext('./{%s}settlement' % ns) or None,
-                #    'country': addr.findtext('./{%s}country' % ns) or None,
-                # }
-            obj["affiliation"] = affiliation
-        names.append(obj)
-    return names
-
-
-def journal_info(elem: ET.Element) -> Dict[str, Any]:
-    journal = dict()
-    journal["name"] = elem.findtext(f".//{{{ns}}}monogr/{{{ns}}}title")
-    journal["publisher"] = elem.findtext(f".//{{{ns}}}publicationStmt/{{{ns}}}publisher")
-    if journal["publisher"] == "":
-        journal["publisher"] = None
-    journal["issn"] = elem.findtext('.//{%s}idno[@type="ISSN"]' % ns)
-    journal["eissn"] = elem.findtext('.//{%s}idno[@type="eISSN"]' % ns)
-    journal["volume"] = elem.findtext('.//{%s}biblScope[@unit="volume"]' % ns)
-    journal["issue"] = elem.findtext('.//{%s}biblScope[@unit="issue"]' % ns)
-    keys = list(journal.keys())
-
-    # remove empty/null keys
-    for k in keys:
-        if not journal[k]:
-            journal.pop(k)
-    return journal
-
-
-def biblio_info(elem: ET.Element, ns: str = ns) -> Dict[str, Any]:
-    ref: Dict[str, Any] = dict()
-    ref["id"] = elem.attrib.get("{http://www.w3.org/XML/1998/namespace}id")
-    ref["unstructured"] = elem.findtext('.//{%s}note[@type="raw_reference"]' % ns)
-    # Title stuff is messy in references...
-    ref["title"] = elem.findtext(f".//{{{ns}}}analytic/{{{ns}}}title")
-    other_title = elem.findtext(f".//{{{ns}}}monogr/{{{ns}}}title")
-    if other_title:
-        if ref["title"]:
-            ref["journal"] = other_title
-        else:
-            ref["journal"] = None
-            ref["title"] = other_title
-    ref["authors"] = all_authors(elem, ns=ns)
-    ref["publisher"] = elem.findtext(f".//{{{ns}}}publicationStmt/{{{ns}}}publisher")
-    if not ref["publisher"]:
-        ref["publisher"] = elem.findtext(f".//{{{ns}}}imprint/{{{ns}}}publisher")
-    if ref["publisher"] == "":
-        ref["publisher"] = None
-    date = elem.find('.//{%s}date[@type="published"]' % ns)
-    ref["date"] = (date is not None) and date.attrib.get("when")
-    ref["volume"] = elem.findtext('.//{%s}biblScope[@unit="volume"]' % ns)
-    ref["issue"] = elem.findtext('.//{%s}biblScope[@unit="issue"]' % ns)
-    ref["doi"] = elem.findtext('.//{%s}idno[@type="DOI"]' % ns)
-    ref["arxiv_id"] = elem.findtext('.//{%s}idno[@type="arXiv"]' % ns)
-    if ref["arxiv_id"] and ref["arxiv_id"].startswith("arXiv:"):
-        ref["arxiv_id"] = ref["arxiv_id"][6:]
-    ref["pmcid"] = elem.findtext('.//{%s}idno[@type="PMCID"]' % ns)
-    ref["pmid"] = elem.findtext('.//{%s}idno[@type="PMID"]' % ns)
-    el = elem.find('.//{%s}biblScope[@unit="page"]' % ns)
-    if el is not None:
-        if el.attrib.get("from") and el.attrib.get("to"):
-            ref["pages"] = "{}-{}".format(el.attrib["from"], el.attrib["to"])
-        else:
-            ref["pages"] = el.text
-    el = elem.find(".//{%s}ptr[@target]" % ns)
-    if el is not None:
-        ref["url"] = el.attrib["target"]
-        # Hand correction
-        if ref["url"].endswith(".Lastaccessed"):
-            ref["url"] = ref["url"].replace(".Lastaccessed", "")
-        if ref["url"].startswith("<"):
-            ref["url"] = ref["url"][1:]
-        if ">" in ref["url"]:
-            ref["url"] = ref["url"].split(">")[0]
-    else:
-        ref["url"] = None
-    return ref
-
-
-def teixml2json(content: AnyStr, encumbered: bool = True) -> Dict[str, Any]:
-
-    if isinstance(content, str):
-        tree = ET.parse(io.StringIO(content))
-    elif isinstance(content, bytes):
-        tree = ET.parse(io.BytesIO(content))
-
-    info: Dict[str, Any] = dict()
-
-    # print(content)
-    # print(content.getvalue())
-    tei = tree.getroot()
-
-    header = tei.find(".//{%s}teiHeader" % ns)
-    if header is None:
-        raise ValueError("XML does not look like TEI format")
-    application_tag = header.findall(f".//{{{ns}}}appInfo/{{{ns}}}application")[0]
-    info["grobid_version"] = application_tag.attrib["version"].strip()
-    info["grobid_timestamp"] = application_tag.attrib["when"].strip()
-    info["title"] = header.findtext(f".//{{{ns}}}analytic/{{{ns}}}title")
-    info["authors"] = all_authors(header.find(f".//{{{ns}}}sourceDesc/{{{ns}}}biblStruct"))
-    info["journal"] = journal_info(header)
-    date = header.find('.//{%s}date[@type="published"]' % ns)
-    info["date"] = (date is not None) and date.attrib.get("when")
-    info["fatcat_release"] = header.findtext('.//{%s}idno[@type="fatcat"]' % ns)
-    info["doi"] = header.findtext('.//{%s}idno[@type="DOI"]' % ns)
-    if info["doi"]:
-        info["doi"] = info["doi"].lower()
-
-    refs = []
-    for (i, bs) in enumerate(tei.findall(f".//{{{ns}}}listBibl/{{{ns}}}biblStruct")):
-        ref = biblio_info(bs)
-        ref["index"] = i
-        refs.append(ref)
-    info["citations"] = refs
-
-    text = tei.find(".//{%s}text" % (ns))
-    # print(text.attrib)
-    if text and text.attrib.get("{%s}lang" % xml_ns):
-        info["language_code"] = text.attrib["{%s}lang" % xml_ns]  # xml:lang
-
-    if encumbered:
-        el = tei.find(f".//{{{ns}}}profileDesc/{{{ns}}}abstract")
-        info["abstract"] = (el or None) and " ".join(el.itertext()).strip()
-        el = tei.find(f".//{{{ns}}}text/{{{ns}}}body")
-        info["body"] = (el or None) and " ".join(el.itertext()).strip()
-        el = tei.find(f'.//{{{ns}}}back/{{{ns}}}div[@type="acknowledgement"]')
-        info["acknowledgement"] = (el or None) and " ".join(el.itertext()).strip()
-        el = tei.find(f'.//{{{ns}}}back/{{{ns}}}div[@type="annex"]')
-        info["annex"] = (el or None) and " ".join(el.itertext()).strip()
-
-    # remove empty/null keys
-    keys = list(info.keys())
-    for k in keys:
-        if not info[k]:
-            info.pop(k)
-    return info
-
-
-def main() -> None:  # pragma no cover
-    parser = argparse.ArgumentParser(
-        formatter_class=argparse.ArgumentDefaultsHelpFormatter,
-        description="GROBID TEI XML to JSON",
-        usage="%(prog)s [options] <teifile>...",
-    )
-    parser.add_argument(
-        "--no-encumbered",
-        action="store_true",
-        help="don't include ambiguously copyright encumbered fields (eg, abstract, body)",
-    )
-    parser.add_argument("teifiles", nargs="+")
-
-    args = parser.parse_args()
-
-    for filename in args.teifiles:
-        content = open(filename, "r").read()
-        print(
-            json.dumps(
-                teixml2json(content, encumbered=(not args.no_encumbered)),
-                sort_keys=True,
-            ))
-
-
-if __name__ == "__main__":  # pragma no cover
-    main()
diff --git a/fuzzycat/grobid_unstructured.py b/fuzzycat/grobid_unstructured.py
index 5462ae1..7470cd7 100644
--- a/fuzzycat/grobid_unstructured.py
+++ b/fuzzycat/grobid_unstructured.py
@@ -15,9 +15,9 @@ from typing import Optional
 
 import requests
 from fatcat_openapi_client import ReleaseContrib, ReleaseEntity, ReleaseExtIds
+from grobid_tei_xml import parse_citation_xml, GrobidBiblio
 
 from fuzzycat.config import settings
-from fuzzycat.grobid2json import biblio_info
 from fuzzycat.utils import clean_doi
 
 GROBID_API_BASE = settings.get("GROBID_API_BASE", "https://grobid.qa.fatcat.wiki")
@@ -55,52 +55,37 @@ def grobid_api_process_citation(raw_citation: str,
     return grobid_response.text or None
 
 
-def transform_grobid_ref_xml(raw_xml: str) -> Optional[dict]:
+def grobid_ref_to_release(ref: GrobidBiblio) -> ReleaseEntity:
     """
-    Parses GROBID XML for the case of a single reference/citation string (eg,
-    not a full/propper TEI-XML fulltext document), and returns a dict.
-    """
-    # first, remove any xmlns stuff, for consistent parsign
-    raw_xml = raw_xml.replace('xmlns="http://www.tei-c.org/ns/1.0"', "")
-    tree = ET.parse(io.StringIO(raw_xml))
-    root = tree.getroot()
-    ref = biblio_info(root, ns="")
-    if not any(ref.values()):
-        return None
-    return ref
-
-
-def grobid_ref_to_release(ref: dict) -> ReleaseEntity:
-    """
-    Takes the dict returned by transform_grobid_ref_xml() and returns a partial
+    Takes GrobidBiblio (parsed from TEI-XML) and returns a partial
     ReleaseEntity object (for use with fuzzycat)
     """
     contribs = []
-    for author in ref.get("authors") or []:
+    for author in ref.authors or []:
         contribs.append(
             ReleaseContrib(
-                raw_name=author.get("name"),
-                given_name=author.get("given_name"),
-                surname=author.get("surname"),
+                raw_name=author.full_name,
+                given_name=author.given_name,
+                surname=author.surname,
             ))
     release = ReleaseEntity(
-        title=ref.get("title"),
+        title=ref.title,
         contribs=contribs,
-        volume=ref.get("volume"),
-        issue=ref.get("issue"),
-        pages=ref.get("pages"),
+        volume=ref.volume,
+        issue=ref.issue,
+        pages=ref.pages,
         ext_ids=ReleaseExtIds(
-            doi=clean_doi(ref.get("doi")),
-            pmid=ref.get("pmid"),
-            pmcid=ref.get("pmcid"),
-            arxiv=ref.get("arxiv_id"),
+            doi=clean_doi(ref.doi),
+            pmid=ref.pmid,
+            pmcid=ref.pmcid,
+            arxiv=ref.arxiv_id,
         ),
     )
-    if ref.get("journal"):
-        release.extra = {"container_name": ref.get("journal")}
-    if ref.get("date"):
-        if len(ref["date"]) >= 4 and ref["date"][0:4].isdigit():
-            release.release_year = int(ref["date"][0:4])
+    if ref.journal:
+        release.extra = {"container_name": ref.journal}
+    if ref.date:
+        if len(ref.date) >= 4 and ref.date[0:4].isdigit():
+            release.release_year = int(ref.date[0:4])
         # TODO: try to parse 'date' into an ISO date format, and assign to release_date?
     return release
 
@@ -121,7 +106,7 @@ def grobid_parse_unstructured(raw_citation: str,
                                           timeout=timeout)
     if not ref_xml:
         return None
-    biblio_dict = transform_grobid_ref_xml(ref_xml)
-    if not biblio_dict:
+    ref = parse_citation_xml(ref_xml)
+    if not ref:
         return None
-    return grobid_ref_to_release(biblio_dict)
+    return grobid_ref_to_release(ref)
diff --git a/setup.py b/setup.py
index 040bbc6..cb95ef4 100644
--- a/setup.py
+++ b/setup.py
@@ -39,6 +39,7 @@ with open("README.md", "r") as fh:
             "toml",
             "unidecode>=0.10",
             "zstandard",
+            "grobid_tei_xml==0.1.*",
         ],
         extras_require={"dev": [
             "ipython",
diff --git a/tests/test_grobid_unstructured.py b/tests/test_grobid_unstructured.py
index dd69936..cf71f91 100644
--- a/tests/test_grobid_unstructured.py
+++ b/tests/test_grobid_unstructured.py
@@ -1,39 +1,43 @@
 import pytest
 
-from fuzzycat.grobid_unstructured import grobid_api_process_citation, grobid_parse_unstructured, grobid_ref_to_release, transform_grobid_ref_xml
+from grobid_tei_xml import parse_citation_xml
+from grobid_tei_xml.types import GrobidBiblio, GrobidAuthor
+
+from fuzzycat.grobid_unstructured import grobid_api_process_citation, grobid_parse_unstructured, grobid_ref_to_release
 
 
 def test_grobid_ref_to_release():
 
-    d = {
-        'title':
-        "some title",
-        'doi':
-        '10.1234/5678',
-        'journal':
-        'some journal',
-        'authors': [
-            {
-                'name': 'ahab sailor',
-                'given_name': 'ahab',
-                'surname': 'sailor'
-            },
-            {
-                'name': 'mary jane',
-                'given_name': 'mary',
-                'surname': 'jane'
-            },
+    d = GrobidBiblio(
+        title="some title",
+        doi='10.1234/5678',
+        journal='some journal',
+        authors=[
+            GrobidAuthor(
+                full_name='ahab sailor',
+                given_name='ahab',
+                surname='sailor',
+            ),
+            GrobidAuthor(
+                full_name='mary jane',
+                given_name='mary',
+                surname='jane'
+            ),
         ],
-    }
+    )
     r = grobid_ref_to_release(d)
-    assert r.title == d['title']
-    assert r.ext_ids.doi == d['doi']
-    assert r.extra['container_name'] == d['journal']
-    assert r.contribs[0].surname == d['authors'][0]['surname']
-    assert r.contribs[1].raw_name == d['authors'][1]['name']
+    assert r.title == d.title
+    assert r.ext_ids.doi == d.doi
+    assert r.extra['container_name'] == d.journal
+    assert r.contribs[0].surname == d.authors[0].surname
+    assert r.contribs[1].raw_name == d.authors[1].full_name
 
 
 def test_transform_grobid_ref_xml():
+    """
+    This used to be a test of the grobid2json file in this repository. Now it
+    is a backwards compatibility test for grobid_tei_xml
+    """
     citation_xml = """
 <biblStruct >
     <analytic>
@@ -83,7 +87,9 @@ def test_transform_grobid_ref_xml():
     </monogr>
 </biblStruct>"""
 
-    d = transform_grobid_ref_xml(citation_xml)
+    citation = parse_citation_xml(citation_xml)
+    assert citation
+    d = citation.to_legacy_dict()
     assert d['title'] == "Mesh migration following abdominal hernia repair: a comprehensive review"
     assert d['authors'][2]['given_name'] == "L"
     assert d['authors'][2]['surname'] == "Taveras"