Roman Isecke ebf0722dcc
roman/ingest continue on error (#1736)
### Description
Add flag to raise an error on failure but default to only log it and
continue with other docs
2023-10-12 21:33:10 +00:00

997 lines
31 KiB
Python

import os
from tempfile import SpooledTemporaryFile
from unittest import mock
import pytest
from PIL import Image
from unstructured_inference.inference import layout
from test_unstructured.unit_utils import assert_round_trips_through_JSON, example_doc_path
from unstructured.chunking.title import chunk_by_title
from unstructured.documents.coordinates import PixelSpace
from unstructured.documents.elements import (
CoordinatesMetadata,
ElementMetadata,
ListItem,
NarrativeText,
Text,
Title,
)
from unstructured.partition import ocr, pdf, strategies
from unstructured.partition.utils.constants import UNSTRUCTURED_INCLUDE_DEBUG_METADATA
class MockResponse:
def __init__(self, status_code, response):
self.status_code = status_code
self.response = response
def json(self):
return self.response
def mock_healthy_get(url, **kwargs):
return MockResponse(status_code=200, response={})
def mock_unhealthy_get(url, **kwargs):
return MockResponse(status_code=500, response={})
def mock_unsuccessful_post(url, **kwargs):
return MockResponse(status_code=500, response={})
def mock_successful_post(url, **kwargs):
response = {
"pages": [
{
"number": 0,
"elements": [
{"type": "Title", "text": "Charlie Brown and the Great Pumpkin"},
],
},
{
"number": 1,
"elements": [{"type": "Title", "text": "A Charlie Brown Christmas"}],
},
],
}
return MockResponse(status_code=200, response=response)
class MockPageLayout(layout.PageLayout):
def __init__(self, number: int, image: Image):
self.number = number
self.image = image
@property
def elements(self):
return [
layout.LayoutElement(
type="Title",
x1=0,
y1=0,
x2=2,
y2=2,
text="Charlie Brown and the Great Pumpkin",
),
]
class MockDocumentLayout(layout.DocumentLayout):
@property
def pages(self):
return [
MockPageLayout(number=0, image=Image.new("1", (1, 1))),
MockPageLayout(number=1, image=Image.new("1", (1, 1))),
]
@pytest.mark.parametrize(
("filename", "file"),
[
("example-docs/layout-parser-paper-fast.pdf", None),
(None, b"0000"),
],
)
def test_partition_pdf_local(monkeypatch, filename, file):
monkeypatch.setattr(
layout,
"process_data_with_model",
lambda *args, **kwargs: MockDocumentLayout(),
)
monkeypatch.setattr(
layout,
"process_file_with_model",
lambda *args, **kwargs: MockDocumentLayout(),
)
monkeypatch.setattr(
ocr,
"process_data_with_ocr",
lambda *args, **kwargs: MockDocumentLayout(),
)
monkeypatch.setattr(
ocr,
"process_data_with_ocr",
lambda *args, **kwargs: MockDocumentLayout(),
)
partition_pdf_response = pdf._partition_pdf_or_image_local(filename, file)
assert partition_pdf_response[0].text == "Charlie Brown and the Great Pumpkin"
def test_partition_pdf_local_raises_with_no_filename():
with pytest.raises(FileNotFoundError):
pdf._partition_pdf_or_image_local(filename="", file=None, is_image=False)
@pytest.mark.parametrize("file_mode", ["filename", "rb", "spool"])
@pytest.mark.parametrize(
("strategy", "expected", "origin"),
# fast: can't capture the "intentionally left blank page" page
# others: will ignore the actual blank page
[("fast", {1, 4}, "pdfminer"), ("hi_res", {1, 3, 4}, "pdf"), ("ocr_only", {1, 3, 4}, "OCR")],
)
def test_partition_pdf(
file_mode,
strategy,
expected,
origin,
filename="example-docs/layout-parser-paper-with-empty-pages.pdf",
):
# Test that the partition_pdf function can handle filename
def _test(result):
# validate that the result is a non-empty list of dicts
assert len(result) > 10
# check that the pdf has multiple different page numbers
assert {element.metadata.page_number for element in result} == expected
if UNSTRUCTURED_INCLUDE_DEBUG_METADATA:
assert {element.metadata.detection_origin for element in result} == {origin}
if file_mode == "filename":
result = pdf.partition_pdf(filename=filename, strategy=strategy)
_test(result)
elif file_mode == "rb":
with open(filename, "rb") as f:
result = pdf.partition_pdf(file=f, strategy=strategy)
_test(result)
else:
with open(filename, "rb") as test_file:
spooled_temp_file = SpooledTemporaryFile()
spooled_temp_file.write(test_file.read())
spooled_temp_file.seek(0)
result = pdf.partition_pdf(file=spooled_temp_file, strategy=strategy)
_test(result)
@mock.patch.dict(os.environ, {"UNSTRUCTURED_HI_RES_MODEL_NAME": "checkbox"})
def test_partition_pdf_with_model_name_env_var(
monkeypatch,
filename="example-docs/layout-parser-paper-fast.pdf",
):
monkeypatch.setattr(pdf, "extractable_elements", lambda *args, **kwargs: [])
with mock.patch.object(
layout,
"process_file_with_model",
mock.MagicMock(),
) as mock_process:
pdf.partition_pdf(filename=filename, strategy="hi_res")
mock_process.assert_called_once_with(
filename,
is_image=False,
pdf_image_dpi=200,
extract_tables=False,
model_name="checkbox",
)
def test_partition_pdf_with_model_name(
monkeypatch,
filename="example-docs/layout-parser-paper-fast.pdf",
):
monkeypatch.setattr(pdf, "extractable_elements", lambda *args, **kwargs: [])
with mock.patch.object(
layout,
"process_file_with_model",
mock.MagicMock(),
) as mock_process:
pdf.partition_pdf(filename=filename, strategy="hi_res", model_name="checkbox")
mock_process.assert_called_once_with(
filename,
is_image=False,
pdf_image_dpi=200,
extract_tables=False,
model_name="checkbox",
)
def test_partition_pdf_with_auto_strategy(
filename="example-docs/layout-parser-paper-fast.pdf",
):
elements = pdf.partition_pdf(filename=filename, strategy="auto")
title = "LayoutParser: A Unified Toolkit for Deep Learning Based Document Image Analysis"
assert elements[6].text == title
assert elements[6].metadata.filename == "layout-parser-paper-fast.pdf"
assert elements[6].metadata.file_directory == "example-docs"
def test_partition_pdf_with_page_breaks(
filename="example-docs/layout-parser-paper-fast.pdf",
):
elements = pdf.partition_pdf(filename=filename, url=None, include_page_breaks=True)
assert "PageBreak" in [elem.category for elem in elements]
def test_partition_pdf_with_no_page_breaks(
filename="example-docs/layout-parser-paper-fast.pdf",
):
elements = pdf.partition_pdf(filename=filename, url=None)
assert "PageBreak" not in [elem.category for elem in elements]
def test_partition_pdf_with_fast_strategy(
filename="example-docs/layout-parser-paper-fast.pdf",
):
elements = pdf.partition_pdf(filename=filename, url=None, strategy="fast")
assert len(elements) > 10
# check that the pdf has multiple different page numbers
assert {element.metadata.page_number for element in elements} == {1, 2}
for element in elements:
assert element.metadata.filename == "layout-parser-paper-fast.pdf"
def test_partition_pdf_with_fast_neg_coordinates():
filename = "example-docs/negative-coords.pdf"
elements = pdf.partition_pdf(filename=filename, url=None, strategy="fast")
assert len(elements) == 5
assert elements[0].metadata.coordinates.points[0][0] < 0
assert elements[0].metadata.coordinates.points[1][0] < 0
def test_partition_pdf_with_fast_groups_text(
filename="example-docs/layout-parser-paper-fast.pdf",
):
elements = pdf.partition_pdf(filename=filename, url=None, strategy="fast")
first_narrative_element = None
for element in elements:
if isinstance(element, NarrativeText):
first_narrative_element = element
break
assert len(first_narrative_element.text) > 1000
assert first_narrative_element.text.startswith("Abstract. Recent advances")
assert first_narrative_element.text.endswith("https://layout-parser.github.io.")
assert first_narrative_element.metadata.filename == "layout-parser-paper-fast.pdf"
def test_partition_pdf_with_fast_strategy_from_file(
filename="example-docs/layout-parser-paper-fast.pdf",
):
with open(filename, "rb") as f:
elements = pdf.partition_pdf(file=f, url=None, strategy="fast")
assert len(elements) > 10
def test_partition_pdf_with_fast_strategy_and_page_breaks(
caplog,
filename="example-docs/layout-parser-paper-fast.pdf",
):
elements = pdf.partition_pdf(
filename=filename,
url=None,
strategy="fast",
include_page_breaks=True,
)
assert len(elements) > 10
assert "PageBreak" in [elem.category for elem in elements]
assert "unstructured_inference is not installed" not in caplog.text
for element in elements:
assert element.metadata.filename == "layout-parser-paper-fast.pdf"
def test_partition_pdf_raises_with_bad_strategy(
filename="example-docs/layout-parser-paper-fast.pdf",
):
with pytest.raises(ValueError):
pdf.partition_pdf(filename=filename, url=None, strategy="made_up")
def test_partition_pdf_falls_back_to_fast(
monkeypatch,
caplog,
filename="example-docs/layout-parser-paper-fast.pdf",
):
def mock_exists(dep):
return dep not in ["unstructured_inference", "pytesseract"]
monkeypatch.setattr(strategies, "dependency_exists", mock_exists)
mock_return = [Text("Hello there!")]
with mock.patch.object(
pdf,
"extractable_elements",
return_value=mock_return,
) as mock_partition:
pdf.partition_pdf(filename=filename, url=None, strategy="hi_res")
mock_partition.assert_called_once()
assert "unstructured_inference is not installed" in caplog.text
def test_partition_pdf_falls_back_to_fast_from_ocr_only(
monkeypatch,
caplog,
filename="example-docs/layout-parser-paper-fast.pdf",
):
def mock_exists(dep):
return dep not in ["pytesseract"]
monkeypatch.setattr(strategies, "dependency_exists", mock_exists)
mock_return = [Text("Hello there!")]
with mock.patch.object(
pdf,
"extractable_elements",
return_value=mock_return,
) as mock_partition, mock.patch.object(
pdf,
"_partition_pdf_or_image_with_ocr",
) as mock_partition_ocr:
pdf.partition_pdf(filename=filename, url=None, strategy="ocr_only")
mock_partition.assert_called_once()
mock_partition_ocr.assert_not_called()
assert "pytesseract is not installed" in caplog.text
def test_partition_pdf_falls_back_to_hi_res_from_ocr_only(
monkeypatch,
caplog,
filename="example-docs/layout-parser-paper-fast.pdf",
):
def mock_exists(dep):
return dep not in ["pytesseract"]
monkeypatch.setattr(strategies, "dependency_exists", mock_exists)
monkeypatch.setattr(pdf, "extractable_elements", lambda *args, **kwargs: [])
mock_return = [Text("Hello there!")]
with mock.patch.object(
pdf,
"_partition_pdf_or_image_local",
return_value=mock_return,
) as mock_partition:
pdf.partition_pdf(filename=filename, url=None, strategy="ocr_only")
mock_partition.assert_called_once()
assert "pytesseract is not installed" in caplog.text
def test_partition_pdf_falls_back_to_ocr_only(
monkeypatch,
caplog,
filename="example-docs/layout-parser-paper-fast.pdf",
):
def mock_exists(dep):
return dep not in ["unstructured_inference"]
monkeypatch.setattr(strategies, "dependency_exists", mock_exists)
mock_return = [Text("Hello there!")]
with mock.patch.object(
pdf,
"_partition_pdf_or_image_with_ocr",
return_value=mock_return,
) as mock_partition:
pdf.partition_pdf(filename=filename, url=None, strategy="hi_res")
mock_partition.assert_called_once()
assert "unstructured_inference is not installed" in caplog.text
def test_partition_pdf_uses_table_extraction():
filename = "example-docs/layout-parser-paper-fast.pdf"
with mock.patch(
"unstructured_inference.inference.layout.process_file_with_model",
) as mock_process_file_with_model:
pdf.partition_pdf(filename, infer_table_structure=True)
assert mock_process_file_with_model.call_args[1]["extract_tables"]
def test_partition_pdf_with_copy_protection():
filename = os.path.join("example-docs", "copy-protected.pdf")
elements = pdf.partition_pdf(filename=filename, strategy="hi_res")
title = "LayoutParser: A Unified Toolkit for Deep Learning Based Document Image Analysis"
idx = 3
assert elements[idx].text == title
assert {element.metadata.page_number for element in elements} == {1, 2}
assert elements[idx].metadata.detection_class_prob is not None
assert isinstance(elements[idx].metadata.detection_class_prob, float)
def test_partition_pdf_with_dpi():
filename = os.path.join("example-docs", "copy-protected.pdf")
with mock.patch.object(layout, "process_file_with_model", mock.MagicMock()) as mock_process:
pdf.partition_pdf(filename=filename, strategy="hi_res", pdf_image_dpi=100)
mock_process.assert_called_once_with(
filename,
is_image=False,
extract_tables=False,
model_name=pdf.default_hi_res_model(),
pdf_image_dpi=100,
)
def test_partition_pdf_requiring_recursive_text_grab(filename="example-docs/reliance.pdf"):
elements = pdf.partition_pdf(filename=filename, strategy="fast")
assert len(elements) > 50
assert elements[0].metadata.page_number == 1
assert elements[-1].metadata.page_number == 3
def test_partition_pdf_with_copy_protection_fallback_to_hi_res(caplog):
filename = os.path.join("example-docs", "loremipsum-flat.pdf")
elements = pdf.partition_pdf(filename=filename, strategy="fast")
elements[0] == Title(
"LayoutParser: A Unified Toolkit for Deep Based Document Image Analysis",
)
assert "PDF text is not extractable" in caplog.text
def test_partition_pdf_fails_if_pdf_not_processable(
monkeypatch,
filename="example-docs/layout-parser-paper-fast.pdf",
):
def mock_exists(dep):
return dep not in ["unstructured_inference", "pytesseract"]
monkeypatch.setattr(strategies, "dependency_exists", mock_exists)
monkeypatch.setattr(pdf, "extractable_elements", lambda *args, **kwargs: [])
with pytest.raises(ValueError):
pdf.partition_pdf(filename=filename)
def test_partition_pdf_fast_groups_text_in_text_box():
filename = os.path.join("example-docs", "chevron-page.pdf")
elements = pdf.partition_pdf(filename=filename, strategy="fast")
expected_coordinate_points_0 = (
(193.1741, 71.94000000000005),
(193.1741, 91.94000000000005),
(418.6881, 91.94000000000005),
(418.6881, 71.94000000000005),
)
expected_coordinate_system_0 = PixelSpace(width=612, height=792)
expected_elem_metadata_0 = ElementMetadata(
coordinates=CoordinatesMetadata(
points=expected_coordinate_points_0,
system=expected_coordinate_system_0,
),
)
assert elements[0] == Title(
"eastern mediterranean",
metadata=expected_elem_metadata_0,
)
assert isinstance(elements[1], NarrativeText)
assert str(elements[1]).startswith("We")
assert str(elements[1]).endswith("Jordan and Egypt.")
expected_coordinate_points_3 = (
(95.6683, 181.16470000000004),
(95.6683, 226.16470000000004),
(166.7908, 226.16470000000004),
(166.7908, 181.16470000000004),
)
expected_coordinate_system_3 = PixelSpace(width=612, height=792)
expected_elem_metadata_3 = ElementMetadata(
coordinates=CoordinatesMetadata(
points=expected_coordinate_points_3,
system=expected_coordinate_system_3,
),
)
assert elements[2] == Text("2.5", metadata=expected_elem_metadata_3)
def test_partition_pdf_with_metadata_filename(
filename="example-docs/layout-parser-paper-fast.pdf",
):
elements = pdf.partition_pdf(
filename=filename,
url=None,
include_page_breaks=True,
metadata_filename="test",
)
for element in elements:
assert element.metadata.filename == "test"
def test_partition_pdf_with_fast_strategy_from_file_with_metadata_filename(
filename="example-docs/layout-parser-paper-fast.pdf",
):
with open(filename, "rb") as f:
elements = pdf.partition_pdf(
file=f,
url=None,
strategy="fast",
metadata_filename="test",
)
for element in elements:
assert element.metadata.filename == "test"
def test_partition_pdf_with_auto_strategy_exclude_metadata(
filename="example-docs/layout-parser-paper-fast.pdf",
):
elements = pdf.partition_pdf(
filename=filename,
strategy="auto",
include_metadata=False,
)
title = "LayoutParser: A Unified Toolkit for Deep Learning Based Document Image Analysis"
assert elements[6].text == title
for i in range(len(elements)):
assert elements[i].metadata.to_dict() == {}
def test_partition_pdf_with_fast_strategy_from_file_exclude_metadata(
filename="example-docs/layout-parser-paper-fast.pdf",
):
with open(filename, "rb") as f:
elements = pdf.partition_pdf(
file=f,
url=None,
strategy="fast",
include_metadata=False,
)
for i in range(len(elements)):
assert elements[i].metadata.to_dict() == {}
def test_partition_pdf_with_auto_strategy_metadata_date(
mocker,
filename="example-docs/copy-protected.pdf",
):
mocked_last_modification_date = "2029-07-05T09:24:28"
mocker.patch(
"unstructured.partition.pdf.get_last_modified_date",
return_value=mocked_last_modification_date,
)
elements = pdf.partition_pdf(
filename=filename,
)
assert elements[0].metadata.last_modified == mocked_last_modification_date
def test_partition_pdf_with_auto_strategy_custom_metadata_date(
mocker,
filename="example-docs/copy-protected.pdf",
):
mocked_last_modification_date = "2029-07-05T09:24:28"
expected_last_modification_date = "2020-07-05T09:24:28"
mocker.patch(
"unstructured.partition.pdf.get_last_modified_date",
return_value=mocked_last_modification_date,
)
elements = pdf.partition_pdf(
filename=filename,
metadata_last_modified=expected_last_modification_date,
)
assert elements[0].metadata.last_modified == expected_last_modification_date
def test_partition_pdf_with_orc_only_strategy_metadata_date(
mocker,
filename="example-docs/copy-protected.pdf",
):
mocked_last_modification_date = "2029-07-05T09:24:28"
mocker.patch(
"unstructured.partition.pdf.get_last_modified_date",
return_value=mocked_last_modification_date,
)
elements = pdf.partition_pdf(filename=filename, strategy="ocr_only")
assert elements[0].metadata.last_modified == mocked_last_modification_date
def test_partition_pdf_with_ocr_only_strategy_custom_metadata_date(
mocker,
filename="example-docs/copy-protected.pdf",
):
mocked_last_modification_date = "2029-07-05T09:24:28"
expected_last_modification_date = "2020-07-05T09:24:28"
mocker.patch(
"unstructured.partition.pdf.get_last_modified_date",
return_value=mocked_last_modification_date,
)
elements = pdf.partition_pdf(
filename=filename,
metadata_last_modified=expected_last_modification_date,
strategy="ocr_only",
)
assert elements[0].metadata.last_modified == expected_last_modification_date
def test_partition_pdf_with_hi_res_strategy_metadata_date(
mocker,
filename="example-docs/copy-protected.pdf",
):
mocked_last_modification_date = "2029-07-05T09:24:28"
mocker.patch(
"unstructured.partition.pdf.get_last_modified_date",
return_value=mocked_last_modification_date,
)
elements = pdf.partition_pdf(filename=filename, strategy="hi_res")
assert elements[0].metadata.last_modified == mocked_last_modification_date
def test_partition_pdf_with_hi_res_strategy_custom_metadata_date(
mocker,
filename="example-docs/copy-protected.pdf",
):
mocked_last_modification_date = "2029-07-05T09:24:28"
expected_last_modification_date = "2020-07-05T09:24:28"
mocker.patch(
"unstructured.partition.pdf.get_last_modified_date",
return_value=mocked_last_modification_date,
)
elements = pdf.partition_pdf(
filename=filename,
metadata_last_modified=expected_last_modification_date,
strategy="hi_res",
)
assert elements[0].metadata.last_modified == expected_last_modification_date
def test_partition_pdf_from_file_with_auto_strategy_metadata_date(
mocker,
filename="example-docs/copy-protected.pdf",
):
mocked_last_modification_date = "2029-07-05T09:24:28"
mocker.patch(
"unstructured.partition.pdf.get_last_modified_date_from_file",
return_value=mocked_last_modification_date,
)
with open(filename, "rb") as f:
elements = pdf.partition_pdf(
file=f,
)
assert elements[0].metadata.last_modified == mocked_last_modification_date
def test_partition_pdf_from_file_with_auto_strategy_custom_metadata_date(
mocker,
filename="example-docs/copy-protected.pdf",
):
mocked_last_modification_date = "2029-07-05T09:24:28"
expected_last_modification_date = "2020-07-05T09:24:28"
mocker.patch(
"unstructured.partition.pdf.get_last_modified_date_from_file",
return_value=mocked_last_modification_date,
)
with open(filename, "rb") as f:
elements = pdf.partition_pdf(
file=f,
metadata_last_modified=expected_last_modification_date,
)
assert elements[0].metadata.last_modified == expected_last_modification_date
def test_partition_pdf_from_file_with_ocr_only_strategy_metadata_date(
mocker,
filename="example-docs/copy-protected.pdf",
):
mocked_last_modification_date = "2029-07-05T09:24:28"
mocker.patch(
"unstructured.partition.pdf.get_last_modified_date_from_file",
return_value=mocked_last_modification_date,
)
with open(filename, "rb") as f:
elements = pdf.partition_pdf(file=f, strategy="ocr_only")
assert elements[0].metadata.last_modified == mocked_last_modification_date
def test_partition_pdf_from_file_with_ocr_only_strategy_custom_metadata_date(
mocker,
filename="example-docs/copy-protected.pdf",
):
mocked_last_modification_date = "2029-07-05T09:24:28"
expected_last_modification_date = "2020-07-05T09:24:28"
mocker.patch(
"unstructured.partition.pdf.get_last_modified_date_from_file",
return_value=mocked_last_modification_date,
)
with open(filename, "rb") as f:
elements = pdf.partition_pdf(
file=f,
metadata_last_modified=expected_last_modification_date,
strategy="ocr_only",
)
assert elements[0].metadata.last_modified == expected_last_modification_date
def test_partition_pdf_from_file_with_hi_res_strategy_metadata_date(
mocker,
filename="example-docs/copy-protected.pdf",
):
mocked_last_modification_date = "2029-07-05T09:24:28"
mocker.patch(
"unstructured.partition.pdf.get_last_modified_date_from_file",
return_value=mocked_last_modification_date,
)
with open(filename, "rb") as f:
elements = pdf.partition_pdf(file=f, strategy="hi_res")
assert elements[0].metadata.last_modified == mocked_last_modification_date
def test_partition_pdf_from_file_with_hi_res_strategy_custom_metadata_date(
mocker,
filename="example-docs/copy-protected.pdf",
):
mocked_last_modification_date = "2029-07-05T09:24:28"
expected_last_modification_date = "2020-07-05T09:24:28"
mocker.patch(
"unstructured.partition.pdf.get_last_modified_date_from_file",
return_value=mocked_last_modification_date,
)
with open(filename, "rb") as f:
elements = pdf.partition_pdf(
file=f,
metadata_last_modified=expected_last_modification_date,
strategy="hi_res",
)
assert elements[0].metadata.last_modified == expected_last_modification_date
@pytest.mark.parametrize("strategy", ["fast", "hi_res"])
def test_partition_pdf_with_json(strategy: str):
elements = pdf.partition_pdf(
example_doc_path("layout-parser-paper-fast.pdf"),
strategy=strategy,
)
assert_round_trips_through_JSON(elements)
def test_partition_pdf_with_ocr_has_coordinates_from_filename(
filename="example-docs/chevron-page.pdf",
):
elements = pdf.partition_pdf(filename=filename, strategy="ocr_only")
assert elements[0].metadata.coordinates.points == (
(657.0, 2144.0),
(657.0, 2106.0),
(1043.0, 2106.0),
(1043.0, 2144.0),
)
def test_partition_pdf_with_ocr_has_coordinates_from_file(
filename="example-docs/chevron-page.pdf",
):
with open(filename, "rb") as f:
elements = pdf.partition_pdf(
file=f,
strategy="ocr_only",
)
assert elements[0].metadata.coordinates.points == (
(657.0, 2144.0),
(657.0, 2106.0),
(1043.0, 2106.0),
(1043.0, 2144.0),
)
@pytest.mark.parametrize(
("filename"),
[
("example-docs/multi-column-2p.pdf"),
("example-docs/layout-parser-paper-fast.pdf"),
("example-docs/list-item-example.pdf"),
],
)
def test_partition_pdf_with_ocr_coordinates_are_not_nan_from_file(
filename,
):
import math
with open(filename, "rb") as f:
elements = pdf.partition_pdf(
file=f,
strategy="ocr_only",
)
for element in elements:
if element.metadata.coordinates:
for point in element.metadata.coordinates.points:
if point[0] and point[1]:
assert point[0] is not math.nan
assert point[1] is not math.nan
def test_add_chunking_strategy_by_title_on_partition_pdf(
filename="example-docs/layout-parser-paper-fast.pdf",
):
elements = pdf.partition_pdf(filename=filename)
chunk_elements = pdf.partition_pdf(filename, chunking_strategy="by_title")
chunks = chunk_by_title(elements)
assert chunk_elements != elements
assert chunk_elements == chunks
def test_partition_pdf_formats_languages_for_tesseract():
filename = "example-docs/DA-1p.pdf"
with mock.patch.object(layout, "process_file_with_model", mock.MagicMock()) as mock_process:
pdf.partition_pdf(filename=filename, strategy="hi_res", languages=["en"])
mock_process.assert_called_once_with(
filename,
is_image=False,
pdf_image_dpi=200,
extract_tables=False,
model_name=pdf.default_hi_res_model(),
)
def test_partition_pdf_warns_with_ocr_languages(caplog):
filename = "example-docs/chevron-page.pdf"
pdf.partition_pdf(filename=filename, strategy="hi_res", ocr_languages="eng")
assert "The ocr_languages kwarg will be deprecated" in caplog.text
def test_partition_pdf_or_image_warns_with_ocr_languages(caplog):
filename = "example-docs/DA-1p.pdf"
pdf.partition_pdf_or_image(filename=filename, strategy="hi_res", ocr_languages="eng")
assert "The ocr_languages kwarg will be deprecated" in caplog.text
def test_partition_categorization_backup():
text = "This is Clearly a Title"
with mock.patch.object(pdf, "_partition_pdf_or_image_local", return_value=[Text(text)]):
elements = pdf.partition_pdf_or_image(
"example-docs/layout-parser-paper-fast.pdf",
strategy="hi_res",
)
# Should have changed the element class from Text to Title
assert isinstance(elements[0], Title)
assert elements[0].text == text
@pytest.mark.parametrize(
"filename",
["example-docs/layout-parser-paper-fast.pdf"],
)
def test_combine_numbered_list(filename):
elements = pdf.partition_pdf(filename=filename, strategy="auto")
first_list_element = None
for element in elements:
if isinstance(element, ListItem):
first_list_element = element
break
assert len(elements) < 28
assert len([element for element in elements if isinstance(element, ListItem)]) == 4
assert first_list_element.text.endswith(
"character recognition, and other DIA tasks (Section 3)",
)
@pytest.mark.parametrize(
"filename",
["example-docs/layout-parser-paper-fast.pdf"],
)
def test_partition_pdf_hyperlinks(filename):
elements = pdf.partition_pdf(filename=filename, strategy="auto")
links = [
{
"text": "8",
"url": "cite.gardner2018allennlp",
"start_index": 138,
},
{
"text": "34",
"url": "cite.wolf2019huggingface",
"start_index": 141,
},
{
"text": "35",
"url": "cite.wu2019detectron2",
"start_index": 168,
},
]
assert elements[-1].metadata.links == links
@pytest.mark.parametrize(
"filename",
["example-docs/embedded-link.pdf"],
)
def test_partition_pdf_hyperlinks_multiple_lines(filename):
elements = pdf.partition_pdf(filename=filename, strategy="auto")
assert elements[-1].metadata.links[-1]["text"] == "capturing"
assert len(elements[-1].metadata.links) == 2
def test_partition_pdf_uses_model_name():
with mock.patch.object(
pdf,
"_partition_pdf_or_image_local",
) as mockpartition:
pdf.partition_pdf(
"example-docs/layout-parser-paper-fast.pdf",
model_name="test",
strategy="hi_res",
)
mockpartition.assert_called_once()
assert "model_name" in mockpartition.call_args.kwargs
assert mockpartition.call_args.kwargs["model_name"]
def test_partition_pdf_word_bbox_not_char(
filename="example-docs/interface-config-guide-p93.pdf",
):
try:
elements = pdf.partition_pdf(filename=filename)
except Exception as e:
raise ("Partitioning fail: %s" % e)
assert len(elements) == 17
def test_partition_pdf_raises_TypeError_for_invalid_languages():
filename = "example-docs/chevron-page.pdf"
with pytest.raises(TypeError):
pdf.partition_pdf(filename=filename, strategy="hi_res", languages="eng")
@pytest.mark.parametrize(
("threshold", "expected"),
[
(0.4, [True, False, False, False, False]),
(0.1, [True, True, False, False, False]),
],
)
def test_check_annotations_within_element(threshold, expected):
annotations = [
{"bbox": [0, 0, 1, 1], "page_number": 1},
{"bbox": [0, 0, 3, 1], "page_number": 1},
{"bbox": [0, 0, 1, 1], "page_number": 2},
{"bbox": [0, 0, 0, 1], "page_number": 1},
{"bbox": [3, 0, 4, 1], "page_number": 1},
]
element_bbox = (0, 0, 1, 1)
filtered = pdf.check_annotations_within_element(annotations, element_bbox, 1, threshold)
results = [annotation in filtered for annotation in annotations]
assert results == expected