diff options
Diffstat (limited to 'python')
| -rw-r--r-- | python/sandcrawler/ia.py | 2 | ||||
| -rw-r--r-- | python/sandcrawler/pdf.py | 35 |
2 files changed, 22 insertions, 15 deletions
diff --git a/python/sandcrawler/ia.py b/python/sandcrawler/ia.py index 24ff619..49f5ad4 100644 --- a/python/sandcrawler/ia.py +++ b/python/sandcrawler/ia.py @@ -11,7 +11,7 @@ from collections import namedtuple import http.client # not sure this will really work. Should go before wayback imports. -http.client._MAXHEADERS = 1000 +http.client._MAXHEADERS = 1000 # type: ignore import wayback.exception from http.client import IncompleteRead diff --git a/python/sandcrawler/pdf.py b/python/sandcrawler/pdf.py index b55e2bb..b9baed7 100644 --- a/python/sandcrawler/pdf.py +++ b/python/sandcrawler/pdf.py @@ -16,15 +16,16 @@ from .ia import WaybackClient, WaybackError, PetaboxError class PdfExtractResult: sha1hex: str status: str - error_msg: Optional[str] - file_meta: Optional[Dict[str,Any]] - text: Optional[str] - page0_thumbnail: Optional[bytes] - meta_xml: Optional[str] - pdf_info: Optional[Dict[str,Any]] - pdf_extra: Optional[Dict[str,Any]] - - def to_text_dict(self) -> dict: + error_msg: Optional[str] = None + file_meta: Optional[Dict[str,Any]] = None + text: Optional[str] = None + page0_thumbnail: Optional[bytes] = None + meta_xml: Optional[str] = None + pdf_info: Optional[Dict[str,Any]] = None + pdf_extra: Optional[Dict[str,Any]] = None + source: Optional[Dict[str,Any]] = None + + def to_pdftext_dict(self) -> dict: """ Outputs a JSON string as would be published to Kafka text/info topic. """ @@ -38,6 +39,7 @@ class PdfExtractResult: 'meta_xml': self.meta_xml, 'pdf_info': self.pdf_info, 'pdf_extra': self.pdf_extra, + 'source': self.source, } @@ -71,9 +73,9 @@ def process_pdf(blob: bytes, thumb_size=(180,300), thumb_type="JPEG") -> PdfExtr img.thumbnail(thumb_size, Image.BICUBIC) buf = BytesIO() img.save(buf, thumb_type) - page0_thumbnail = buf.bytes.getvalue() + page0_thumbnail = buf.getvalue() # assuming that very small images mean something went wrong - if len(page0_thumbnail) < 50: + if page0_thumbnail is None or len(page0_thumbnail) < 50: page0_thumbnail = None except Exception as e: print(str(e), file=sys.stderr) @@ -116,7 +118,7 @@ class PdfExtractWorker(SandcrawlerFetchWorker): self.sink = sink self.thumbnail_sink = kwargs.get('thumbnail_sink') - def timeout_response(self, task): + def timeout_response(self, task) -> Dict: default_key = task['sha1hex'] return dict( status="error-timeout", @@ -137,7 +139,7 @@ class PdfExtractWorker(SandcrawlerFetchWorker): result.source = record if self.thumbnail_sink and result.page0_thumbnail is not None: self.thumbnail_sink.push_record(result.page0_thumbnail) - return result.to_thing() + return result.to_pdftext_dict() class PdfExtractBlobWorker(SandcrawlerWorker): """ @@ -148,10 +150,15 @@ class PdfExtractBlobWorker(SandcrawlerWorker): def __init__(self, sink=None, **kwargs): super().__init__() self.sink = sink + self.thumbnail_sink = kwargs.get('thumbnail_sink') - def process(self, blob): + def process(self, blob, key: Optional[str] = None): if not blob: return None + result = process_pdf(blob) + if self.thumbnail_sink and result.page0_thumbnail is not None: + self.thumbnail_sink.push_record(result.page0_thumbnail) + return result |