John 9500d04791
detect document language across all partitioners (#1627)
### Summary
Closes #1534 and #1535
Detects document language using `langdetect` package. 
Creates new kwargs for user to set the document language (`languages`)
or detect the language at the element level instead of the default
document level (`detect_language_per_element`)

---------

Co-authored-by: shreyanid <42684285+shreyanid@users.noreply.github.com>
Co-authored-by: ryannikolaidis <1208590+ryannikolaidis@users.noreply.github.com>
Co-authored-by: Coniferish <Coniferish@users.noreply.github.com>
Co-authored-by: cragwolfe <crag@unstructured.io>
Co-authored-by: Austin Walker <austin@unstructured.io>
2023-10-11 01:47:56 +00:00

171 lines
5.6 KiB
Python

from unstructured.chunking.title import chunk_by_title
from unstructured.cleaners.core import clean_extra_whitespace
from unstructured.documents.elements import Title
from unstructured.partition.json import partition_json
from unstructured.partition.rst import partition_rst
from unstructured.staging.base import elements_to_json
def test_partition_rst_from_filename(filename="example-docs/README.rst"):
elements = partition_rst(filename=filename)
assert elements[0] == Title("Example Docs")
assert elements[0].metadata.filetype == "text/x-rst"
for element in elements:
assert element.metadata.filename == "README.rst"
def test_partition_rst_from_filename_returns_uns_elements(filename="example-docs/README.rst"):
elements = partition_rst(filename=filename)
assert isinstance(elements[0], Title)
def test_partition_rst_from_filename_with_metadata_filename(
filename="example-docs/README.rst",
):
elements = partition_rst(filename=filename, metadata_filename="test")
assert all(element.metadata.filename == "test" for element in elements)
def test_partition_rst_from_file(filename="example-docs/README.rst"):
with open(filename, "rb") as f:
elements = partition_rst(file=f)
assert elements[0] == Title("Example Docs")
assert elements[0].metadata.filetype == "text/x-rst"
for element in elements:
assert element.metadata.filename is None
def test_partition_rst_from_file_with_metadata_filename(
filename="example-docs/README.rst",
):
with open(filename, "rb") as f:
elements = partition_rst(file=f, metadata_filename="test")
assert elements[0] == Title("Example Docs")
for element in elements:
assert element.metadata.filename == "test"
def test_partition_rst_from_filename_exclude_metadata(
filename="example-docs/README.rst",
):
elements = partition_rst(filename=filename, include_metadata=False)
for i in range(len(elements)):
assert elements[i].metadata.to_dict() == {}
def test_partition_rst_from_file_exclude_metadata(filename="example-docs/README.rst"):
with open(filename, "rb") as f:
elements = partition_rst(file=f, include_metadata=False)
for i in range(len(elements)):
assert elements[i].metadata.to_dict() == {}
def test_partition_rst_metadata_date(
mocker,
filename="example-docs/README.rst",
):
mocked_last_modification_date = "2029-07-05T09:24:28"
mocker.patch(
"unstructured.partition.html.get_last_modified_date",
return_value=mocked_last_modification_date,
)
elements = partition_rst(
filename=filename,
)
assert elements[0].metadata.last_modified == mocked_last_modification_date
def test_partition_rst_with_custom_metadata_date(
mocker,
filename="example-docs/README.rst",
):
mocked_last_modification_date = "2029-07-05T09:24:28"
expected_last_modification_date = "2020-07-05T09:24:28"
mocker.patch(
"unstructured.partition.html.get_last_modified_date",
return_value=mocked_last_modification_date,
)
elements = partition_rst(
filename=filename,
metadata_last_modified=expected_last_modification_date,
)
assert elements[0].metadata.last_modified == expected_last_modification_date
def test_partition_rst_from_file_metadata_date(
mocker,
filename="example-docs/README.rst",
):
mocked_last_modification_date = "2029-07-05T09:24:28"
mocker.patch(
"unstructured.partition.html.get_last_modified_date_from_file",
return_value=mocked_last_modification_date,
)
with open(filename, "rb") as f:
elements = partition_rst(
file=f,
)
assert elements[0].metadata.last_modified == mocked_last_modification_date
def test_partition_rst_from_file_with_custom_metadata_date(
mocker,
filename="example-docs/README.rst",
):
mocked_last_modification_date = "2029-07-05T09:24:28"
expected_last_modification_date = "2020-07-05T09:24:28"
mocker.patch(
"unstructured.partition.html.get_last_modified_date_from_file",
return_value=mocked_last_modification_date,
)
with open(filename, "rb") as f:
elements = partition_rst(file=f, metadata_last_modified=expected_last_modification_date)
assert elements[0].metadata.last_modified == expected_last_modification_date
def test_partition_rst_with_json(filename="example-docs/README.rst"):
elements = partition_rst(filename=filename)
test_elements = partition_json(text=elements_to_json(elements))
assert len(elements) == len(test_elements)
assert clean_extra_whitespace(elements[0].text) == clean_extra_whitespace(test_elements[0].text)
assert elements[0].metadata.filename == test_elements[0].metadata.filename
for i in range(len(elements)):
assert elements[i] == test_elements[i]
def test_add_chunking_strategy_on_partition_rst(filename="example-docs/README.rst"):
elements = partition_rst(filename=filename)
chunk_elements = partition_rst(filename, chunking_strategy="by_title")
chunks = chunk_by_title(elements)
assert chunk_elements != elements
assert chunk_elements == chunks
def test_partition_rst_element_metadata_has_languages():
filename = "example-docs/README.rst"
elements = partition_rst(filename=filename)
assert elements[0].metadata.languages == ["eng"]
def test_partition_rst_respects_detect_language_per_element():
filename = "example-docs/language-docs/eng_spa_mult.rst"
elements = partition_rst(filename=filename, detect_language_per_element=True)
langs = [element.metadata.languages for element in elements]
assert langs == [["eng"], ["spa", "eng"], ["eng"], ["eng"], ["spa"]]