def __init__(
self,
factory=None,
history=None,
request_class=None,
):
"""
Only named arguments should be passed to this constructor.
factory: object implementing the mechanize.Factory interface.
history: object implementing the mechanize.History interface. Note
this interface is still experimental and may change in future.
request_class: Request class to use. Defaults to mechanize.Request
by default for Pythons older than 2.4, urllib2.Request otherwise.
The Factory and History objects passed in are 'owned' by the Browser,
so they should not be shared across Browsers. In particular,
factory.set_response() should not be called except by the owning
Browser itself.
Note that the supplied factory's request_class is overridden by this
constructor, to ensure only one Request class is used.
"""
self._handle_referer = True
if history is None:
history = History()
self._history = history
if request_class is None:
if not hasattr(urllib2.Request, "add_unredirected_header"):
request_class = _request.Request
else:
request_class = urllib2.Request # Python >= 2.4
if factory is None:
factory = DefaultFactory()
factory.set_request_class(request_class)
self._factory = factory
self.request_class = request_class
self.request = None
self._set_response(None, False)
# do this last to avoid __getattr__ problems
UserAgentBase.__init__(self)
def _mech_open(self, url, data=None, update_history=True, visit=None,
timeout=_sockettimeout._GLOBAL_DEFAULT_TIMEOUT):
try:
url.get_full_url
except AttributeError:
# string URL -- convert to absolute URL if required
scheme, authority = _rfc3986.urlsplit(url)[:2]
if scheme is None:
# relative URL
if self._response is None:
raise BrowserStateError(
"can't fetch relative reference: "
"not viewing any document")
url = _rfc3986.urljoin(self._response.geturl(), url)
request = self._request(url, data, visit, timeout)
visit = request.visit
if visit is None:
visit = True
if visit:
self._visit_request(request, update_history)
success = True
try:
response = UserAgentBase.open(self, request, data)
except urllib2.HTTPError, error:
success = False
if error.fp is None: # not a response
raise
response = error
def _mech_open(self,
url,
data=None,
update_history=True,
visit=None,
timeout=_sockettimeout._GLOBAL_DEFAULT_TIMEOUT):
try:
url.get_full_url
except AttributeError:
# string URL -- convert to absolute URL if required
scheme, authority = _rfc3986.urlsplit(url)[:2]
if scheme is None:
# relative URL
if self._response is None:
raise BrowserStateError("can't fetch relative reference: "
"not viewing any document")
url = _rfc3986.urljoin(self._response.geturl(), url)
request = self._request(url, data, visit, timeout)
visit = request.visit
if visit is None:
visit = True
if visit:
self._visit_request(request, update_history)
success = True
try:
response = UserAgentBase.open(self, request, data)
except urllib2.HTTPError, error:
success = False
if error.fp is None: # not a response
raise
response = error
def __init__(self,
factory=None,
history=None,
request_class=None,
):
"""
Only named arguments should be passed to this constructor.
factory: object implementing the mechanize.Factory interface.
history: object implementing the mechanize.History interface. Note
this interface is still experimental and may change in future.
request_class: Request class to use. Defaults to mechanize.Request
by default for Pythons older than 2.4, urllib2.Request otherwise.
The Factory and History objects passed in are 'owned' by the Browser,
so they should not be shared across Browsers. In particular,
factory.set_response() should not be called except by the owning
Browser itself.
Note that the supplied factory's request_class is overridden by this
constructor, to ensure only one Request class is used.
"""
self._handle_referer = True
if history is None:
history = History()
self._history = history
if request_class is None:
if not hasattr(urllib2.Request, "add_unredirected_header"):
request_class = _request.Request
else:
request_class = urllib2.Request # Python >= 2.4
if factory is None:
factory = DefaultFactory()
factory.set_request_class(request_class)
self._factory = factory
self.request_class = request_class
self.request = None
self._set_response(None, False)
# do this last to avoid __getattr__ problems
UserAgentBase.__init__(self)
def close(self):
UserAgentBase.close(self)
if self._response is not None:
self._response.close()
if self._history is not None:
self._history.close()
self._history = None
# make use after .close easy to spot
self.form = None
self.request = self._response = None
self.request = self.response = self.set_response = None
self.geturl = self.reload = self.back = None
self.clear_history = self.set_cookie = self.links = self.forms = None
self.viewing_html = self.encoding = self.title = None
self.select_form = self.click = self.submit = self.click_link = None
self.follow_link = self.find_link = None
def close(self):
UserAgentBase.close(self)
if self._response is not None:
self._response.close()
if self._history is not None:
self._history.close()
self._history = None
# make use after .close easy to spot
self.form = None
self.request = self._response = None
self.request = self.response = self.set_response = None
self.geturl = self.reload = self.back = None
self.clear_history = self.set_cookie = self.links = self.forms = None
self.viewing_html = self.encoding = self.title = None
self.select_form = self.click = self.submit = self.click_link = None
self.follow_link = self.find_link = None
def _mech_open(self,
url,
data=None,
update_history=True,
visit=None,
timeout=_sockettimeout._GLOBAL_DEFAULT_TIMEOUT):
try:
url.get_full_url
except AttributeError:
# string URL -- convert to absolute URL if required
scheme, authority = _rfc3986.urlsplit(url)[:2]
if scheme is None:
# relative URL
if self._response is None:
raise BrowserStateError("can't fetch relative reference: "
"not viewing any document")
url = _rfc3986.urljoin(self._response.geturl(), url)
request = self._request(url, data, visit, timeout)
visit = request.visit
if visit is None:
visit = True
if visit:
self._visit_request(request, update_history)
success = True
try:
response = UserAgentBase.open(self, request, data)
except urllib2.HTTPError as error:
success = False
if error.fp is None: # not a response
raise
response = error
# except (IOError, socket.error, OSError), error:
# Yes, urllib2 really does raise all these :-((
# See test_urllib2.py for examples of socket.gaierror and OSError,
# plus note that FTPHandler raises IOError.
# XXX I don't seem to have an example of exactly socket.error being
# raised, only socket.gaierror...
# I don't want to start fixing these here, though, since this is a
# subclass of OpenerDirector, and it would break old code. Even in
# Python core, a fix would need some backwards-compat. hack to be
# acceptable.
# raise
if visit:
self._set_response(response, False)
response = copy.copy(self._response)
elif response is not None:
response = _response.upgrade_response(response)
if not success:
raise response
return response