James R. Barlow
9748208e68
Closes #1615. The token 'end' (case-insensitive) is now accepted as an alias for the document's last page, e.g. --pages 3-end. Resolution is deferred until the page count is known from the input PDF.
123 lines
3.2 KiB
Python
123 lines
3.2 KiB
Python
# SPDX-FileCopyrightText: 2022 James R. Barlow
|
|
# SPDX-License-Identifier: MPL-2.0
|
|
|
|
from __future__ import annotations
|
|
|
|
import pytest
|
|
|
|
import ocrmypdf
|
|
from ocrmypdf._options import _pages_from_ranges
|
|
from ocrmypdf.exceptions import BadArgsError
|
|
from ocrmypdf.pdfinfo import PdfInfo
|
|
|
|
|
|
@pytest.mark.parametrize(
|
|
'pages, result',
|
|
[
|
|
['1', {0}],
|
|
['1,2', {0, 1}],
|
|
['1-3', {0, 1, 2}],
|
|
['2,5,6', {1, 4, 5}],
|
|
['11-15, 18, ', {10, 11, 12, 13, 14, 17}],
|
|
[',,3', {2}],
|
|
['3, 3, 3, 3,', {2}],
|
|
['3, 2, 1, 42', {0, 1, 2, 41}],
|
|
['-1', BadArgsError],
|
|
['1,3,-11', BadArgsError],
|
|
['1-,', BadArgsError],
|
|
['start-end', BadArgsError],
|
|
['1-0', BadArgsError],
|
|
['99-98', BadArgsError],
|
|
['0-0', BadArgsError],
|
|
['1-0,3-4', BadArgsError],
|
|
[',', BadArgsError],
|
|
['', BadArgsError],
|
|
],
|
|
)
|
|
def test_pages(pages, result):
|
|
if isinstance(result, type):
|
|
with pytest.raises(result):
|
|
_pages_from_ranges(pages)
|
|
else:
|
|
assert _pages_from_ranges(pages) == result
|
|
|
|
|
|
@pytest.mark.parametrize(
|
|
'pages, total_pages, result',
|
|
[
|
|
['end', 10, {9}],
|
|
['END', 10, {9}],
|
|
['1-end', 3, {0, 1, 2}],
|
|
['3-end', 5, {2, 3, 4}],
|
|
['end-end', 7, {6}],
|
|
['1,end', 4, {0, 3}],
|
|
['2-4,end', 10, {1, 2, 3, 9}],
|
|
['end,end,end', 5, {4}],
|
|
['end-1', 5, BadArgsError], # empty range when end > 1
|
|
],
|
|
)
|
|
def test_pages_end_alias(pages, total_pages, result):
|
|
if isinstance(result, type):
|
|
with pytest.raises(result):
|
|
_pages_from_ranges(pages, total_pages=total_pages)
|
|
else:
|
|
assert _pages_from_ranges(pages, total_pages=total_pages) == result
|
|
|
|
|
|
def test_end_alias_requires_total_pages():
|
|
with pytest.raises(BadArgsError, match="total page count"):
|
|
_pages_from_ranges('1-end')
|
|
with pytest.raises(BadArgsError, match="total page count"):
|
|
_pages_from_ranges('end')
|
|
|
|
|
|
def test_nonmonotonic_warning(caplog):
|
|
pages = _pages_from_ranges('1, 3, 2')
|
|
assert pages == {0, 1, 2}
|
|
assert 'out of order' in caplog.text
|
|
|
|
|
|
def test_limited_pages(multipage, outpdf):
|
|
ocrmypdf.ocr(
|
|
multipage,
|
|
outpdf,
|
|
pages='5-6',
|
|
optimize=0,
|
|
output_type='pdf',
|
|
plugins=['tests/plugins/tesseract_cache.py'],
|
|
)
|
|
pi = PdfInfo(outpdf)
|
|
assert not pi.pages[0].has_text
|
|
assert pi.pages[4].has_text
|
|
assert pi.pages[5].has_text
|
|
|
|
|
|
def test_limited_pages_end_alias(multipage, outpdf):
|
|
# multipage has 6 pages; 5-end == pages 5..6
|
|
ocrmypdf.ocr(
|
|
multipage,
|
|
outpdf,
|
|
pages='5-end',
|
|
optimize=0,
|
|
output_type='pdf',
|
|
plugins=['tests/plugins/tesseract_cache.py'],
|
|
)
|
|
pi = PdfInfo(outpdf)
|
|
assert not pi.pages[0].has_text
|
|
assert pi.pages[4].has_text
|
|
assert pi.pages[5].has_text
|
|
|
|
|
|
def test_pages_end_alone(multipage, outpdf):
|
|
ocrmypdf.ocr(
|
|
multipage,
|
|
outpdf,
|
|
pages='end',
|
|
optimize=0,
|
|
output_type='pdf',
|
|
plugins=['tests/plugins/tesseract_cache.py'],
|
|
)
|
|
pi = PdfInfo(outpdf)
|
|
assert not pi.pages[0].has_text
|
|
assert pi.pages[5].has_text
|