def test_document():
doc = Document(res('sample.pdf'))
assert len(doc) == 15
assert doc.meta['Title'] == 'Red Stork'
str(doc) # should not crash
def test_page_smoke():
doc = Document(res('sample.pdf'))
page = doc[0]
assert page.media_box == (0., 0., 612., 792.)
assert page.crop_box == (0., 0., 612., 792.)
def test_flatiter():
'''used to crash'''
doc = Document(res('arxiv1901.10092.pdf'))
text = []
for obj in doc[0].flat_iter():
if obj.type == PageObject.OBJ_TYPE_TEXT:
text.append(obj.text) # should not crash
assert ''.join(text)[-20:] == 're.com/naturephysics'
def test_document_save():
with tempfile.TemporaryDirectory() as d:
doc = Document(res('sample.pdf'))
fname = f'{d}/temp.pdf'
doc.save(fname)
doc2 = Document(fname)
assert len(doc) == len(doc2)
assert doc2.meta['Title'] == 'Red Stork'
def test_document_edit_meta():
with tempfile.TemporaryDirectory() as d:
doc = Document(res('sample.pdf'))
doc.meta['Title'] = 'Best PDF Parsing tool in this world!'
fname = f'{d}/temp.pdf'
doc.save(fname)
doc2 = Document(fname)
assert len(doc) == len(doc2)
assert doc2.meta['Title'] == 'Best PDF Parsing tool in this world!'
def test_page_label():
doc = Document(res('sample.pdf'))
assert doc[2].label == 'i'
assert doc[-3].label == '9'
from redstork import Document, PageObject, Glyph
from redstork.test import res
doc = Document(res('sample.pdf'))
print('Number of pages:', len(doc))
print('MediaBox of the first page is:', doc[0].media_box)
print('Rotation of the first page is:', doc[0].rotation)
print('Document title:', doc.meta['Title'])
print('First page has', len(doc[0]), 'objects')
doc[0].render('page-0.ppm', scale=2) # render page #1 as image
page = doc[0]
for o in page:
if o.type == PageObject.OBJ_TYPE_TEXT:
for code, _, _ in o:
print(o.font[code], end='')
print()
for fid, font in doc.fonts.items():
print(font.simple_name, fid)
# lets generate an SVG file of the first letter on page 1
text_object = [o for o in page
if o.type == PageObject.OBJ_TYPE_TEXT][0] # first text object
charcode, _, _ = text_object[0] # first character of the first text object