def test_css_scraper_reject_type(self):
scraper = CSSScraper()
request = Request('http://example.com/styles.css')
response = Response(200, 'OK')
response.body = Body()
with wpull.util.reset_file_offset(response.body):
html_file_path = os.path.join(ROOT_PATH,
'testing', 'samples', 'styles.css')
with open(html_file_path, 'rb') as in_file:
shutil.copyfileobj(in_file, response.body)
scrape_result = scraper.scrape(request, response,
link_type=LinkType.html)
self.assertFalse(scrape_result)
def test_css_scraper_reject_type(self):
scraper = CSSScraper()
request = Request('http://example.com/styles.css')
response = Response(200, 'OK')
response.body = Body()
with wpull.util.reset_file_offset(response.body):
html_file_path = os.path.join(ROOT_PATH, 'testing', 'samples',
'styles.css')
with open(html_file_path, 'rb') as in_file:
shutil.copyfileobj(in_file, response.body)
scrape_result = scraper.scrape(request,
response,
link_type=LinkType.html)
self.assertFalse(scrape_result)
def test_html_not_quite_charset(self):
element_walker = ElementWalker(
css_scraper=CSSScraper(), javascript_scraper=JavaScriptScraper())
scraper = HTMLScraper(self.get_html_parser(), element_walker)
request = Request('http://example.com/')
response = Response(200, '')
response.body = Body()
with wpull.util.reset_file_offset(response.body):
html_file_path = os.path.join(ROOT_PATH,
'testing', 'samples',
'videogame_top.htm')
with open(html_file_path, 'rb') as in_file:
shutil.copyfileobj(in_file, response.body)
scrape_result = scraper.scrape(request, response)
inline_urls = scrape_result.inline_links
linked_urls = scrape_result.linked_links
self.assertIn(
'http://example.com/copyright_2001_2006_rtype.gif',
inline_urls
)
self.assertIn(
'http://www.geocities.jp/gamehouse_grindcrusher/',
linked_urls
)
def test_xhtml_converter(self):
url_table = URLTable()
image_filename = os.path.join(self.temp_dir.name, 'image.png')
tubes_filename = os.path.join(self.temp_dir.name, 'tubes.html')
ferret_filename = os.path.join(self.temp_dir.name, 'ferret.jpg')
url_table.add_many([
AddURLInfo('http://example.com/styles.css', None, None),
AddURLInfo('http://example.com/image.png', None, None),
AddURLInfo('http://example.com/cat.jpg', None, None),
AddURLInfo('http://example.com/fox.jpg', None, None),
AddURLInfo('http://example.com/ferret.jpg', None, None),
AddURLInfo('http://example.com/tubes.html', None, None),
])
url_table.update_one('http://example.com/styles.css',
status=Status.done.value,
link_type='css')
url_table.update_one('http://example.com/image.png',
status=Status.done.value,
filename=os.path.relpath(image_filename,
self.temp_dir.name))
url_table.update_one('http://example.com/tubes.html',
status=Status.done.value,
filename=os.path.relpath(tubes_filename,
self.temp_dir.name))
url_table.update_one('http://example.com/ferret.jpg',
status=Status.done.value,
filename=os.path.relpath(ferret_filename,
self.temp_dir.name))
html_filename = os.path.join(self.temp_dir.name, 'index.html')
new_html_filename = os.path.join(self.temp_dir.name, 'index.html-new')
with open(html_filename, 'w') as out_file:
out_file.write(XHTML_TEXT)
for filename in [image_filename, tubes_filename, ferret_filename]:
with open(filename, 'wb'):
pass
element_walker = ElementWalker(css_scraper=CSSScraper())
converter = HTMLConverter(self.get_html_parser(), element_walker,
url_table)
converter.convert(html_filename,
new_html_filename,
base_url='http://example.com/index.html')
with open(new_html_filename, 'r') as in_file:
converted_text = in_file.read()
self.assertIn("url('image.png')", converted_text)
self.assertIn("url('http://example.com/cat.jpg')", converted_text)
self.assertIn('"tubes.html"', converted_text)
self.assertIn('"http://example.com/lol.html"', converted_text)
self.assertIn("url('http://example.com/fox.jpg')", converted_text)
self.assertIn("url('ferret.jpg')", converted_text)
self.assertIn("hello world!!", converted_text)
self.assertIn("<hr/>", converted_text)
def test_html_soup(self):
element_walker = ElementWalker(css_scraper=CSSScraper(),
javascript_scraper=JavaScriptScraper())
scraper = HTMLScraper(HTMLParser(), element_walker)
request = Request('http://example.com/')
response = Response(200, '')
response.body = Body()
response.fields['Refresh'] = 'yes'
with wpull.util.reset_file_offset(response.body):
html_file_path = os.path.join(ROOT_PATH, 'testing', 'samples',
'soup.html')
with open(html_file_path, 'rb') as in_file:
shutil.copyfileobj(in_file, response.body)
scrape_result = scraper.scrape(request, response)
inline_urls = scrape_result.inline_links
linked_urls = scrape_result.linked_links
self.assertEqual({'http://example.com/ABOUTM~1.JPG'}, inline_urls)
self.assertEqual(
{
'http://example.com/BLOG',
'http://example.com/web ring/Join.htm',
}, linked_urls)
def test_html_scraper_links_base_href(self):
element_walker = ElementWalker(css_scraper=CSSScraper(),
javascript_scraper=JavaScriptScraper())
scraper = HTMLScraper(HTMLParser(), element_walker)
request = Request('http://example.com/')
response = Response(200, 'OK')
response.body = Body()
with wpull.util.reset_file_offset(response.body):
html_file_path = os.path.join(ROOT_PATH, 'testing', 'samples',
'basehref.html')
with open(html_file_path, 'rb') as in_file:
shutil.copyfileobj(in_file, response.body)
scrape_result = scraper.scrape(request, response)
inline_urls = scrape_result.inline_links
linked_urls = scrape_result.linked_links
self.assertEqual('utf-8', scrape_result.encoding)
self.assertEqual(
{
'http://cdn.example.com/stylesheet1.css',
'http://www.example.com/stylesheet2.css',
'http://example.com/a/stylesheet3.css',
'http://example.com/a/dir/image1.png',
'http://example.com/dir/image2.png',
'http://example.net/image3.png',
'http://example.com/dir/image4.png',
}, inline_urls)
self.assertEqual({'http://example.com/a/'}, linked_urls)
def test_scrape_import_urls(self):
text = '''
@import url("fineprint.css") print;
@import url("bluish.css") projection, tv;
@import 'custom.css';
@import url("chrome://communicator/skin/");
@import "common.css" screen, projection;
@import url('landscape.css') screen and (orientation:landscape);
@import url(cool.css);
@import warm.css;
''' + '@import url("' + ('a' * 1000) + '");'
urls = set(CSSScraper().scrape_links(text))
self.assertEqual(
{
'fineprint.css',
'bluish.css',
'chrome://communicator/skin/',
'landscape.css',
'cool.css',
'custom.css',
'common.css',
'warm.css',
}, urls)
def test_xhtml_invalid(self):
element_walker = ElementWalker(
css_scraper=CSSScraper(), javascript_scraper=JavaScriptScraper())
scraper = HTMLScraper(self.get_html_parser(), element_walker)
request = Request('http://example.com/')
response = Response(200, '')
response.body = Body()
with wpull.util.reset_file_offset(response.body):
html_file_path = os.path.join(ROOT_PATH,
'testing', 'samples',
'xhtml_invalid.html')
with open(html_file_path, 'rb') as in_file:
shutil.copyfileobj(in_file, response.body)
scrape_result = scraper.scrape(request, response)
inline_urls = scrape_result.inline_links
linked_urls = scrape_result.linked_links
self.assertEqual(
{
'http://example.com/image.png',
'http://example.com/script.js',
},
inline_urls
)
self.assertEqual(
{
'http://example.com/link'
},
linked_urls
)
def test_html_krokozyabry(self):
element_walker = ElementWalker(
css_scraper=CSSScraper(), javascript_scraper=JavaScriptScraper())
scraper = HTMLScraper(self.get_html_parser(), element_walker)
request = Request('http://example.com/')
response = Response(200, '')
response.body = Body()
response.fields['content-type'] = 'text/html; charset=KOI8-R'
with wpull.util.reset_file_offset(response.body):
html_file_path = os.path.join(ROOT_PATH,
'testing', 'samples',
'krokozyabry.html')
with open(html_file_path, 'rb') as in_file:
shutil.copyfileobj(in_file, response.body)
scrape_result = scraper.scrape(request, response)
inline_urls = scrape_result.inline_links
linked_urls = scrape_result.linked_links
self.assertEqual('koi8-r', scrape_result.encoding)
self.assertEqual(
set(),
inline_urls
)
self.assertEqual(
{'http://example.com/Кракозябры'},
linked_urls
)
def test_rss_as_html(self):
element_walker = ElementWalker(css_scraper=CSSScraper(),
javascript_scraper=JavaScriptScraper())
scraper = HTMLScraper(HTMLParser(), element_walker)
request = Request('http://example.com/')
response = Response(200, '')
response.body = Body()
response.fields['content-type'] = 'application/rss+xml'
with wpull.util.reset_file_offset(response.body):
html_file_path = os.path.join(ROOT_PATH, 'testing', 'samples',
'rss.xml')
with open(html_file_path, 'rb') as in_file:
shutil.copyfileobj(in_file, response.body)
scrape_result = scraper.scrape(request, response)
self.assertTrue(scrape_result)
inline_urls = scrape_result.inline_links
linked_urls = scrape_result.linked_links
self.assertFalse(inline_urls)
self.assertEqual(
{
'http://www.someexamplerssdomain.com/main.html',
'http://www.wikipedia.org/'
}, linked_urls)
def test_css_scraper_mojibake(self):
scraper = CSSScraper()
request = Request('http://example.com/styles.css')
response = Response(200, 'OK')
response.body = Body()
with wpull.util.reset_file_offset(response.body):
html_file_path = os.path.join(ROOT_PATH, 'testing', 'samples',
'mojibake.css')
with open(html_file_path, 'rb') as in_file:
shutil.copyfileobj(in_file, response.body)
scrape_result = scraper.scrape(request, response)
inline_urls = scrape_result.inline_links
linked_urls = scrape_result.linked_links
self.assertEqual({
'http://example.com/文字化け.png',
}, inline_urls)
self.assertFalse(linked_urls)
def test_css_scraper_mojibake(self):
scraper = CSSScraper()
request = Request('http://example.com/styles.css')
response = Response(200, 'OK')
response.body = Body()
with wpull.util.reset_file_offset(response.body):
html_file_path = os.path.join(ROOT_PATH,
'testing', 'samples', 'mojibake.css')
with open(html_file_path, 'rb') as in_file:
shutil.copyfileobj(in_file, response.body)
scrape_result = scraper.scrape(request, response)
inline_urls = scrape_result.inline_links
linked_urls = scrape_result.linked_links
self.assertEqual({
'http://example.com/文字化け.png',
},
inline_urls
)
self.assertFalse(linked_urls)
def test_bad_xml(self):
element_walker = ElementWalker(css_scraper=CSSScraper(),
javascript_scraper=JavaScriptScraper())
scraper = HTMLScraper(HTMLParser(), element_walker)
request = Request('http://example.com/')
response = Response(200, 'OK')
response.body = Body()
with wpull.util.reset_file_offset(response.body):
html_file_path = os.path.join(ROOT_PATH, 'testing', 'samples',
'foxstripcomics_bad_xml.html')
with open(html_file_path, 'rb') as in_file:
shutil.copyfileobj(in_file, response.body)
# No crash
scraper.scrape(request, response, link_type=LinkType.html)
def convert_by_record(self, url_record):
'''Convert using given URL Record.'''
filename = url_record.filename
if not os.path.exists(filename):
return
if url_record.link_type:
if url_record.link_type not in ('css', 'html'):
return
else:
link_type = url_record.link_type
else:
with open(filename, 'rb') as in_file:
if HTMLScraper.is_supported(file=in_file,
url_info=url_record.url_info):
link_type = 'html'
elif CSSScraper.is_supported(file=in_file,
url_info=url_record.url_info):
link_type = 'css'
else:
link_type = None
_logger.info(
__(_('Converting links in file ‘{filename}’ (type={type}).'),
filename=filename,
type=link_type))
if self._backup_enabled:
shutil.copy2(filename, filename + '.orig')
temp_filename = filename + '-new'
if link_type == 'css':
self._css_converter.convert(filename,
temp_filename,
base_url=url_record.url)
elif link_type == 'html':
self._html_converter.convert(filename,
temp_filename,
base_url=url_record.url)
else:
raise Exception('Unknown link type.')
os.remove(filename)
os.rename(temp_filename, filename)
def test_html_encoding_lxml_name_mismatch(self):
'''It should accept encoding names with underscore.'''
element_walker = ElementWalker(css_scraper=CSSScraper(),
javascript_scraper=JavaScriptScraper())
scraper = HTMLScraper(HTMLParser(), element_walker)
request = Request('http://example.com/')
response = Response(200, '')
response.body = Body()
response.fields['content-type'] = 'text/html; charset=EUC_KR'
with wpull.util.reset_file_offset(response.body):
response.body.write('힖'.encode('euc_kr'))
scrape_info = scraper.scrape(request, response)
self.assertTrue(scrape_info)
self.assertEqual('euc_kr', scrape_info['encoding'])
def test_html_garbage(self):
element_walker = ElementWalker(css_scraper=CSSScraper(),
javascript_scraper=JavaScriptScraper())
scraper = HTMLScraper(HTMLParser(), element_walker)
request = Request('http://example.com/')
response = Response(200, '')
response.body = Body()
response.fields['content-type'] = 'text/html'
with wpull.util.reset_file_offset(response.body):
response.body.write(
b'\x01\x00\x01\x00l~Z\xff\x0f`y\x80\x00p<\x7f'
b'\xffndo\xff\xff-\x83{d\xec</\xfe\x80\x00\xb4Bo'
b'\x7f\xff\xff\xffV\xc1\xff\x7f\xff7')
scrape_info = scraper.scrape(request, response)
self.assertTrue(scrape_info)
def test_html_scraper_reject_type(self):
element_walker = ElementWalker(css_scraper=CSSScraper(),
javascript_scraper=JavaScriptScraper())
scraper = HTMLScraper(HTMLParser(), element_walker)
request = Request('http://example.com/')
response = Response(200, 'OK')
response.body = Body()
with wpull.util.reset_file_offset(response.body):
html_file_path = os.path.join(ROOT_PATH, 'testing', 'samples',
'many_urls.html')
with open(html_file_path, 'rb') as in_file:
shutil.copyfileobj(in_file, response.body)
scrape_result = scraper.scrape(request,
response,
link_type=LinkType.css)
self.assertFalse(scrape_result)
def convert_by_record(self, url_record):
'''Convert using given URL Record.'''
filename = url_record.filename
if not os.path.exists(filename):
return
if url_record.link_type:
if url_record.link_type not in ('css', 'html'):
return
else:
link_type = url_record.link_type
else:
with open(filename, 'rb') as in_file:
if HTMLScraper.is_supported(
file=in_file, url_info=url_record.url_info):
link_type = 'html'
elif CSSScraper.is_supported(
file=in_file, url_info=url_record.url_info):
link_type = 'css'
else:
link_type = None
_logger.info(__(
_('Converting links in file ‘{filename}’ (type={type}).'),
filename=filename, type=link_type
))
if self._backup_enabled:
shutil.copy2(filename, filename + '.orig')
temp_filename = filename + '-new'
if link_type == 'css':
self._css_converter.convert(
filename, temp_filename, base_url=url_record.url)
elif link_type == 'html':
self._html_converter.convert(
filename, temp_filename, base_url=url_record.url)
else:
raise Exception('Unknown link type.')
os.remove(filename)
os.rename(temp_filename, filename)
def test_html_wrong_charset(self):
element_walker = ElementWalker(
css_scraper=CSSScraper(), javascript_scraper=JavaScriptScraper())
scraper = HTMLScraper(self.get_html_parser(), element_walker)
request = Request('http://example.com/')
response = Response(200, '')
response.body = Body()
with wpull.util.reset_file_offset(response.body):
html_file_path = os.path.join(ROOT_PATH,
'testing', 'samples', 'kcna.html')
with open(html_file_path, 'rb') as in_file:
shutil.copyfileobj(in_file, response.body)
scrape_result = scraper.scrape(request, response)
inline_urls = scrape_result.inline_links
linked_urls = scrape_result.linked_links
self.assertEqual('utf-16-le', scrape_result.encoding)
self.assertEqual(
{
'http://example.com/utm/__utm.js',
'http://example.com/Knewskage.gif',
'http://example.com/Lline.gif',
'http://example.com/Sline.gif',
'http://example.com/korean01.gif',
'http://example.com/korean02.gif',
'http://example.com/english01.gif',
'http://example.com/english02.gif',
'http://example.com/Tongsinkage.gif',
'http://example.com/Knewskage.gif',
},
inline_urls
)
self.assertEqual(
{
'http://example.com/index-k.htm',
'http://example.com/index-e.htm',
},
linked_urls
)
def test_html_serious_bad_encoding(self):
element_walker = ElementWalker(css_scraper=CSSScraper(),
javascript_scraper=JavaScriptScraper())
scraper = HTMLScraper(HTMLParser(),
element_walker,
encoding_override='utf8')
request = Request('http://example.com/')
response = Response(200, '')
response.body = Body()
response.fields['content-type'] = 'text/html; charset=utf8'
with wpull.util.reset_file_offset(response.body):
html_file_path = os.path.join(ROOT_PATH, 'testing', 'samples',
'xkcd_1_evil.html')
with open(html_file_path, 'rb') as in_file:
shutil.copyfileobj(in_file, response.body)
scrape_info = scraper.scrape(request, response)
self.assertTrue(scrape_info)
def test_html_scraper_links(self):
element_walker = ElementWalker(css_scraper=CSSScraper(),
javascript_scraper=JavaScriptScraper())
scraper = HTMLScraper(HTMLParser(), element_walker)
request = Request('http://example.com/')
response = Response(200, 'OK')
response.body = Body()
response.fields['Refresh'] = '3; url=header_refresh.html'
with wpull.util.reset_file_offset(response.body):
html_file_path = os.path.join(ROOT_PATH, 'testing', 'samples',
'many_urls.html')
with open(html_file_path, 'rb') as in_file:
shutil.copyfileobj(in_file, response.body)
scrape_result = scraper.scrape(request, response)
inline_urls = scrape_result.inline_links
linked_urls = scrape_result.linked_links
self.assertEqual('utf-8', scrape_result.encoding)
self.assertEqual(
frozenset({
'http://example.com/style_import_url.css',
'http://example.com/style_import_quote_url.css',
'http://example.com/style_single_quote_import.css',
'http://example.com/style_double_quote_import.css',
'http://example.com/bg.png',
'http://example.com/link_href.css',
'http://example.com/script.js',
'http://example.com/body_background.png',
'http://example.com/images/table_background.png',
'http://example.com/images/td_background.png',
'http://example.com/images/th_background.png',
'http://example.com/style_url1.png',
'http://example.com/style_url2.png',
'http://example.com/applet/', # returned by lxml
'http://example.com/applet/applet_code.class',
'http://example.com/applet/applet_src.class',
'http://example.com/bgsound.mid',
'http://example.com/audio_src.wav',
'http://example.com/audio_poster.jpeg',
'http://example.net/source_src.wav',
'http://example.com/video_src.webm',
'http://example.com/video_poster.jpeg',
'http://example.net/track_src.vtt',
'http://example.net/source_src.webm',
'http://example.com/embed_src.mov',
'http://example.com/fig_src.png',
'http://example.com/frame_src.html',
'http://example.com/iframe_src.html',
'http://example.com/img_href.png',
'http://example.com/img_lowsrc.png',
'http://example.com/img_src.png',
'http://example.com/img_data.png',
'http://example.com/img_srcset_1.jpeg',
'http://example.com/img_srcset_2.jpeg',
'http://example.com/img_srcset_3.jpeg',
'http://example.com/input_src.png',
'http://example.com/layer_src.png',
'http://example.com/object/', # returned by lxml
'http://example.com/object/object_data.swf',
'http://example.com/object/object_archive.dat',
'mailto:internet',
'object_not_url_codebase',
'http://example.com/param_ref_value.php',
'http://example.com/overlay_src.html',
'http://example.com/script_variable.png',
}),
inline_urls)
self.assertEqual(
frozenset({
'http://example.com/og_image.png',
'http://example.com/og_url.html',
'http://example.com/og_audio.mp3',
'http://example.com/og_video.webm',
'http://example.com/twitter_image.png',
'http://example.com/twitter_image0.png',
'http://example.com/twitter_image1.png',
'http://example.com/twitter_image2.png',
'http://example.com/twitter_image3.png',
'http://example.com/twitter_player.html',
'http://example.com/twitter_stream.mp4',
'http://example.net/soup.html',
'http://example.com/a_href.html',
'http://example.com/area_href.html',
'http://example.com/frame_src.html',
'http://example.com/embed_href.html',
'http://example.com/embed_src.mov',
'http://example.com/form_action.html',
'http://example.com/iframe_src.html',
'http://example.com/layer_src.png',
'http://example.com/overlay_src.html',
'ftp://ftp.protocol.invalid/',
'mailto:[email protected]',
'http://a-double-slash.example',
'http://example.com/header_refresh.html',
'https://[2001:db8:85a3:8d3:1319:8a2e:370:7348]:8080/ipv6',
'http://example.com/document_write.html',
'http://example.com/http_document_write.html',
'http://example.com/http_document_write2.html',
'http://example.com/http document write.html',
'http://example.com/script_variable.html',
'http://example.com/http_script_variable.html',
'https://example.com/https_script_variable.html',
'ftp://example.com/ftp_script_variable.html',
'http://example.com/end_dir_script_variable/',
'http://example.com/start_dir_script_variable',
'http://example.com/../relative_dir_script_variable'
if sys.version_info <
(3, 5) else 'http://example.com/relative_dir_script_variable',
'http://example.com/script_json.html',
'http://example.com/http_script_json.html?a=b',
'http://example.com/a_javascript_link.html',
'http://example.com/a_onclick_link.html',
}), linked_urls)
for url in inline_urls | linked_urls:
self.assertIsInstance(url, str)