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test_basics.py
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#!/usr/bin/env python
import logging
import os
import unittest
import pytest
import pdfplumber
logging.disable(logging.ERROR)
HERE = os.path.abspath(os.path.dirname(__file__))
class Test(unittest.TestCase):
@classmethod
def setup_class(self):
path = os.path.join(HERE, "pdfs/nics-background-checks-2015-11.pdf")
self.pdf = pdfplumber.open(path)
@classmethod
def teardown_class(self):
self.pdf.close()
def test_metadata(self):
metadata = self.pdf.metadata
assert isinstance(metadata["Producer"], str)
def test_pagecount(self):
assert len(self.pdf.pages) == 1
def test_page_number(self):
assert self.pdf.pages[0].page_number == 1
assert str(self.pdf.pages[0]) == "<Page:1>"
def test_objects(self):
assert len(self.pdf.chars)
assert len(self.pdf.rects)
assert len(self.pdf.lines)
assert len(self.pdf.rect_edges)
# Ensure that caching is working:
assert id(self.pdf._rect_edges) == id(self.pdf.rect_edges)
assert id(self.pdf.pages[0]._layout) == id(self.pdf.pages[0].layout)
def test_annots(self):
# via http://www.pdfill.com/example/pdf_drawing_new.pdf
path = os.path.join(HERE, "pdfs/pdffill-demo.pdf")
with pdfplumber.open(path) as pdf:
assert len(pdf.annots)
assert len(pdf.hyperlinks) == 17
uri = "http://www.pdfill.com/pdf_drawing.html"
assert pdf.hyperlinks[0]["uri"] == uri
path = os.path.join(HERE, "pdfs/annotations.pdf")
with pdfplumber.open(path) as pdf:
assert len(pdf.annots)
def test_crop_and_filter(self):
def test(obj):
return obj["object_type"] == "char"
bbox = (0, 0, 200, 200)
original = self.pdf.pages[0]
cropped = original.crop(bbox)
assert id(cropped.chars) == id(cropped._objects["char"])
assert cropped.width == 200
assert len(cropped.rects) > 0
assert len(cropped.chars) < len(original.chars)
within_bbox = original.within_bbox(bbox)
assert len(within_bbox.chars) < len(cropped.chars)
assert len(within_bbox.chars) > 0
filtered = cropped.filter(test)
assert id(filtered.chars) == id(filtered._objects["char"])
assert len(filtered.rects) == 0
def test_relative_crop(self):
page = self.pdf.pages[0]
cropped = page.crop((10, 10, 40, 40))
recropped = cropped.crop((10, 15, 20, 25), relative=True)
target_bbox = (20, 25, 30, 35)
assert recropped.bbox == target_bbox
recropped_wi = cropped.within_bbox((10, 15, 20, 25), relative=True)
assert recropped_wi.bbox == target_bbox
# via issue #245, should not throw error when using `relative=True`
bottom = page.crop((0, 0.8 * float(page.height), page.width, page.height))
bottom.crop((0, 0, 0.5 * float(bottom.width), bottom.height), relative=True)
bottom.crop(
(0.5 * float(bottom.width), 0, bottom.width, bottom.height), relative=True
)
def test_invalid_crops(self):
page = self.pdf.pages[0]
with pytest.raises(ValueError):
page.crop((0, 0, 0, 0))
with pytest.raises(ValueError):
page.crop((0, 0, 10000, 10))
with pytest.raises(ValueError):
page.crop((-10, 0, 10, 10))
with pytest.raises(ValueError):
page.crop((100, 0, 0, 100))
with pytest.raises(ValueError):
page.crop((0, 100, 100, 0))
# via issue #245
bottom = page.crop((0, 0.8 * float(page.height), page.width, page.height))
with pytest.raises(ValueError):
bottom.crop((0, 0, 0.5 * float(bottom.width), bottom.height))
with pytest.raises(ValueError):
bottom.crop((0.5 * float(bottom.width), 0, bottom.width, bottom.height))
def test_rotation(self):
assert self.pdf.pages[0].width == 1008
assert self.pdf.pages[0].height == 612
path = os.path.join(HERE, "pdfs/nics-background-checks-2015-11-rotated.pdf")
with pdfplumber.open(path) as rotated:
assert rotated.pages[0].width == 612
assert rotated.pages[0].height == 1008
assert rotated.pages[0].cropbox == self.pdf.pages[0].cropbox
assert rotated.pages[0].bbox != self.pdf.pages[0].bbox
def test_password(self):
path = os.path.join(HERE, "pdfs/password-example.pdf")
with pdfplumber.open(path, password="test") as pdf:
assert len(pdf.chars) > 0
def test_colors(self):
path = os.path.join(HERE, "pdfs/nics-background-checks-2015-11.pdf")
with pdfplumber.open(path) as pdf:
rect = pdf.pages[0].rects[0]
assert rect["non_stroking_color"] == [0.8, 1, 1]
def test_text_colors(self):
path = os.path.join(HERE, "pdfs/nics-background-checks-2015-11.pdf")
with pdfplumber.open(path) as pdf:
char = pdf.pages[0].chars[3358]
assert char["non_stroking_color"] == [1, 0, 0]
def test_load_with_custom_laparams(self):
# See https://github.com/jsvine/pdfplumber/issues/168
path = os.path.join(HERE, "pdfs/cupertino_usd_4-6-16.pdf")
laparams = dict(line_margin=0.2)
with pdfplumber.open(path, laparams=laparams) as pdf:
assert round(pdf.pages[0].chars[0]["top"], 3) == 66.384
def test_loading_pathobj(self):
from pathlib import Path
path = os.path.join(HERE, "pdfs/nics-background-checks-2015-11.pdf")
path_obj = Path(path)
with pdfplumber.open(path_obj) as pdf:
assert len(pdf.metadata)
def test_loading_fileobj(self):
path = os.path.join(HERE, "pdfs/nics-background-checks-2015-11.pdf")
with open(path, "rb") as f:
with pdfplumber.open(f) as pdf:
assert len(pdf.metadata)
assert not f.closed