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-rw-r--r--fatcat_scholar/sandcrawler.py9
-rw-r--r--fatcat_scholar/schema.py9
-rw-r--r--fatcat_scholar/transform.py34
-rw-r--r--fatcat_scholar/work_pipeline.py63
4 files changed, 72 insertions, 43 deletions
diff --git a/fatcat_scholar/sandcrawler.py b/fatcat_scholar/sandcrawler.py
index 6f0f85c..9c48cd9 100644
--- a/fatcat_scholar/sandcrawler.py
+++ b/fatcat_scholar/sandcrawler.py
@@ -16,6 +16,15 @@ class SandcrawlerPostgrestClient:
else:
return None
+ def get_pdf_meta(self, sha1: str) -> Optional[Dict[str, Any]]:
+ resp = requests.get(self.api_url + "/pdf_meta", params=dict(sha1hex="eq." + sha1))
+ resp.raise_for_status()
+ resp_json = resp.json()
+ if resp_json:
+ return resp_json[0]
+ else:
+ return None
+
class SandcrawlerMinioClient(object):
def __init__(
diff --git a/fatcat_scholar/schema.py b/fatcat_scholar/schema.py
index d74f018..cf88011 100644
--- a/fatcat_scholar/schema.py
+++ b/fatcat_scholar/schema.py
@@ -7,7 +7,7 @@ auto-conversion of datetime objects.
import re
import datetime
from enum import Enum
-from typing import Optional, List, Any
+from typing import Optional, List, Any, Dict
import ftfy
from bs4 import BeautifulSoup
@@ -30,9 +30,10 @@ class IntermediateBundle(BaseModel):
doc_type: DocType
releases: List[ReleaseEntity]
biblio_release_ident: Optional[str]
- grobid_fulltext: Optional[Any]
- pdftotext_fulltext: Optional[Any]
- sim_fulltext: Optional[Any]
+ grobid_fulltext: Optional[Dict[str, Any]]
+ pdftotext_fulltext: Optional[Dict[str, Any]]
+ pdf_meta: Optional[Dict[str, Any]]
+ sim_fulltext: Optional[Dict[str, Any]]
class Config:
arbitrary_types_allowed = True
diff --git a/fatcat_scholar/transform.py b/fatcat_scholar/transform.py
index 847cc6e..7e7ef56 100644
--- a/fatcat_scholar/transform.py
+++ b/fatcat_scholar/transform.py
@@ -127,7 +127,7 @@ def es_biblio_from_sim(sim: Dict[str, Any]) -> ScholarBiblio:
def _add_file_release_meta(
- fulltext: ScholarFulltext, re: ReleaseEntity, fe: FileEntity
+ fulltext: ScholarFulltext, pdf_meta: Optional[dict], re: ReleaseEntity, fe: FileEntity
) -> ScholarFulltext:
best_url = None
best_url_type = None
@@ -150,11 +150,14 @@ def _add_file_release_meta(
fulltext.file_mimetype = fe.mimetype
fulltext.access_url = best_url
fulltext.access_type = best_url_type
+ if pdf_meta is not None and pdf_meta.get("has_page0_thumbnail"):
+ # eg: https://blobs.fatcat.wiki/thumbnail/pdf/32/29/322909fe57cef73b10a166996a4528d337026d16.180px.jpg
+ fulltext.thumbnail_url = f"https://blobs.fatcat.wiki/thumbnail/pdf/{ fe.sha1[0:2] }/{ fe.sha1[2:4] }/{ fe.sha1 }.180px.jpg"
return fulltext
def es_fulltext_from_grobid(
- tei_xml: str, re: ReleaseEntity, fe: FileEntity
+ tei_xml: str, pdf_meta: Optional[dict], re: ReleaseEntity, fe: FileEntity
) -> Optional[ScholarFulltext]:
obj = teixml2json(tei_xml)
if not obj.get("body"):
@@ -164,23 +167,21 @@ def es_fulltext_from_grobid(
body=obj.get("body"),
acknowledgement=obj.get("acknowledgement"),
annex=obj.get("annex"),
- thumbnail_url=None, # TODO: sandcrawler thumbnails
)
- return _add_file_release_meta(ret, re, fe)
+ return _add_file_release_meta(ret, pdf_meta, re, fe)
def es_fulltext_from_pdftotext(
- pdftotext: Any, re: ReleaseEntity, fe: FileEntity
+ raw_text: str, pdf_meta: Optional[dict], re: ReleaseEntity, fe: FileEntity
) -> Optional[ScholarFulltext]:
ret = ScholarFulltext(
lang_code=re.language,
- body=pdftotext["raw_text"],
+ body=raw_text,
acknowledgement=None,
annex=None,
- thumbnail_url=None, # TODO: sandcrawler thumbnails
)
- return _add_file_release_meta(ret, re, fe)
+ return _add_file_release_meta(ret, pdf_meta, re, fe)
def transform_heavy(heavy: IntermediateBundle) -> Optional[ScholarDoc]:
@@ -199,10 +200,11 @@ def transform_heavy(heavy: IntermediateBundle) -> Optional[ScholarDoc]:
if heavy.doc_type == DocType.sim_page:
assert ia_sim is not None
+ assert heavy.sim_fulltext is not None
key = f"page_{ia_sim.issue_item}_{ia_sim.first_page}"
sim_issue = ia_sim.issue_item
biblio = es_biblio_from_sim(heavy.sim_fulltext)
- fulltext = es_fulltext_from_sim(heavy.sim_fulltext)
+ # fulltext extracted from heavy.sim_fulltext above
elif heavy.doc_type == DocType.work:
work_ident = heavy.releases[0].work_id
key = f"work_{work_ident}"
@@ -229,19 +231,9 @@ def transform_heavy(heavy: IntermediateBundle) -> Optional[ScholarDoc]:
if f.ident == heavy.grobid_fulltext["file_ident"]
][0]
fulltext = es_fulltext_from_grobid(
- heavy.grobid_fulltext["tei_xml"], fulltext_release, fulltext_file
+ heavy.grobid_fulltext["tei_xml"], heavy.pdf_meta, fulltext_release, fulltext_file
)
- # hack to pull through thumbnail from local pdftotext
- if (
- fulltext
- and fulltext.file_sha1
- and not fulltext.thumbnail_url
- and heavy.pdftotext_fulltext
- ):
- # https://covid19.fatcat.wiki/fulltext_web/thumbnail/c9/c9e87f843b3cf7dc47881fa3d3ccb4693d7d9521.png
- fulltext.thumbnail_url = f"https://covid19.fatcat.wiki/fulltext_web/thumbnail/{fulltext.file_sha1[:2]}/{fulltext.file_sha1}.png"
-
if not fulltext and heavy.pdftotext_fulltext:
fulltext_release = [
r
@@ -254,7 +246,7 @@ def transform_heavy(heavy: IntermediateBundle) -> Optional[ScholarDoc]:
if f.ident == heavy.pdftotext_fulltext["file_ident"]
][0]
fulltext = es_fulltext_from_pdftotext(
- heavy.pdftotext_fulltext, fulltext_release, fulltext_file
+ heavy.pdftotext_fulltext["raw_text"], heavy.pdf_meta, fulltext_release, fulltext_file
)
# TODO: additional access list
diff --git a/fatcat_scholar/work_pipeline.py b/fatcat_scholar/work_pipeline.py
index 09ae02f..e3a0d8d 100644
--- a/fatcat_scholar/work_pipeline.py
+++ b/fatcat_scholar/work_pipeline.py
@@ -106,11 +106,11 @@ class WorkPipeline:
# print(grobid_meta)
try:
grobid_xml = self.sandcrawler_s3_client.get_blob(
+ bucket="sandcrawler",
+ prefix="",
folder="grobid",
sha1hex=fe.sha1,
extension=".tei.xml",
- prefix="",
- bucket="sandcrawler",
)
# print(grobid_xml)
except minio.error.NoSuchKey:
@@ -119,28 +119,50 @@ class WorkPipeline:
tei_xml=grobid_xml, release_ident=release_ident, file_ident=fe.ident,
)
+ def fetch_pdf_meta(self, fe: FileEntity, release_ident: str) -> Optional[Dict[str, Any]]:
+ """
+ Fetches pdftext metadata from sandcrawler-db via postgrest HTTP
+ interface.
+
+ Returns a JSON object on success, or None if not found.
+
+ raw_text: str
+ release_ident: Optional[str]
+ file_ident: Optional[str]
+ """
+ if not fe.sha1:
+ return None
+ pdf_meta = self.sandcrawler_db_client.get_pdf_meta(fe.sha1)
+ if not pdf_meta or pdf_meta["status"] != "success":
+ return None
+ return dict(
+ pdf_meta=pdf_meta, release_ident=release_ident, file_ident=fe.ident,
+ )
+
def fetch_file_pdftotext(self, fe: FileEntity, release_ident: str) -> Optional[Any]:
"""
raw_text: str
release_ident: Optional[str]
file_ident: Optional[str]
"""
- # HACK: look for local pdftotext output
- if self.fulltext_cache_dir:
- local_txt_path = (
- f"{self.fulltext_cache_dir}/pdftotext/{fe.sha1[:2]}/{fe.sha1}.txt"
+ if not fe.sha1:
+ return None
+ if not fe.urls:
+ return None
+ try:
+ raw_text = self.sandcrawler_s3_client.get_blob(
+ bucket="sandcrawler",
+ prefix="",
+ folder="text",
+ sha1hex=fe.sha1,
+ extension=".txt",
)
- try:
- with open(local_txt_path, "r") as txt_file:
- raw_text = txt_file.read()
- return dict(
- raw_text=raw_text, release_ident=release_ident, file_ident=fe.ident,
- )
- except FileNotFoundError:
- pass
- except UnicodeDecodeError:
- pass
- return None
+ # print(raw_text)
+ except minio.error.NoSuchKey:
+ return None
+ return dict(
+ raw_text=raw_text, release_ident=release_ident, file_ident=fe.ident,
+ )
def lookup_sim(self, release: ReleaseEntity) -> Optional[SimIssueRow]:
"""
@@ -250,6 +272,7 @@ class WorkPipeline:
# find best accessible fatcat file
grobid_fulltext: Optional[Any] = None
+ pdf_meta: Optional[Any] = None
pdftotext_fulltext: Optional[Any] = None
for ident in pref_idents:
release = release_dict[ident]
@@ -259,7 +282,10 @@ class WorkPipeline:
if not fe.sha1 or fe.mimetype not in (None, "application/pdf"):
continue
grobid_fulltext = self.fetch_file_grobid(fe, ident)
- pdftotext_fulltext = self.fetch_file_pdftotext(fe, ident)
+ pdf_meta = self.fetch_pdf_meta(fe, ident)
+ pdftotext_fulltext = None
+ if pdf_meta:
+ pdftotext_fulltext = self.fetch_file_pdftotext(fe, ident)
if grobid_fulltext or pdftotext_fulltext:
break
if grobid_fulltext or pdftotext_fulltext:
@@ -301,6 +327,7 @@ class WorkPipeline:
biblio_release_ident=pref_idents[0],
grobid_fulltext=grobid_fulltext,
pdftotext_fulltext=pdftotext_fulltext,
+ pdf_meta=pdf_meta,
sim_fulltext=sim_fulltext,
)