Programmation PYTHON - Zenk - Security - Repository

eturn ''.join(self._result)
def handle_data(self, data):
self._result.append(data)
def handle_comment(self, comment):
self._result.append('' % comment)
def handle_entyref(self, ref):
x = ';' * ref in self.entitydefs
self._result.append('&%s%s' % (ref, x))
def handle_charref(self, ref):
self._result.append('&#%s' % ref)
class WebPage(object):
"""Pointe une page web et permet sa sérialisation
"""
def __init__(self, url):
self.url = url
def _get_content(self, url):
req = urllib2.Request(url)
try:
return urllib2.urlopen(req).read()
except urllib2.URLError:
return ''
Exercices corrigés
CHAPITRE 11
def _clean_url(self, url):
scheme, netloc, path, query, fragment = urlsplit(url)
if scheme == '':
scheme = 'http'
return urlunsplit((scheme, netloc, path, query, fragment))
def _replace_source(self, source):
source = self._clean_url(source)
if source not in self._media:
filename = join('_files', 'file_%s' % self._count)
self._media[source] = filename
content = self._get_content(source)
with open(filename, 'w') as f:
f.write(content)
self._count += 1
return self._media[source]
def _media_needed(self, tag, attribut, valeur):
"""Téléchargement et modification du lien si nécessaire."""
if (tag.lower() in ('img', 'link', 'script') and
attribut.lower() in ('href', 'src')):
return self._replace_source(valeur)
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