def open(self, url, data=None):
code = None
result = None
try:
start_time = time.time()
result = self.req_session.get(url)
except (requests.exceptions.RequestException, Exception), e:
reraise_exception(HTTPClientError('Internal HTTP error "%s": %r'
% (url, e)), sys.exc_info())
def get_map(self, query):
if self.res_range and not self.res_range.contains(query.bbox, query.size,
query.srs):
raise BlankImage()
if self.coverage and not self.coverage.intersects(query.bbox, query.srs):
raise BlankImage()
try:
resp = self.render(query)
except RuntimeError, ex:
log.error('could not render Mapnik map: %s', ex)
reraise_exception(SourceError(ex.args[0]), sys.exc_info())
def get_map(self, query):
if self.res_range and not self.res_range.contains(query.bbox, query.size,
query.srs):
raise BlankImage()
if self.coverage and not self.coverage.intersects(query.bbox, query.srs):
raise BlankImage()
try:
resp = self.render(query)
except RuntimeError, ex:
log.error('could not render Mapnik map: %s', ex)
reraise_exception(SourceError(ex.args[0]), sys.exc_info())
def get_map(self, query):
if self.res_range and not self.res_range.contains(query.bbox, query.size, query.srs):
raise BlankImage()
if self.coverage and not self.coverage.intersects(query.bbox, query.srs):
raise BlankImage()
try:
resp = self._get_map(query)
if self.transparent_color:
resp = make_transparent(resp, self.transparent_color, self.transparent_color_tolerance)
resp.opacity = self.opacity
return resp
except HTTPClientError, e:
log.warn("could not retrieve WMS map: %s", e)
reraise_exception(SourceError(e.args[0]), sys.exc_info())
def open(self, url, data=None):
code = None
result = None
req = urllib2.Request(url, data=data)
for key, value in self.header_list:
req.add_header(key, value)
try:
start_time = time.time()
if self._timeout is not None:
result = self.opener.open(req, timeout=self._timeout)
else:
result = self.opener.open(req)
except HTTPError, e:
code = e.code
reraise_exception(HTTPClientError('HTTP Error "%s": %d'
% (url, e.code), response_code=code), sys.exc_info())
def get_map(self, query):
if self.res_range and not self.res_range.contains(query.bbox, query.size,
query.srs):
raise BlankImage()
if self.coverage and not self.coverage.intersects(query.bbox, query.srs):
raise BlankImage()
try:
resp = self._get_map(query)
if self.transparent_color:
resp = make_transparent(resp, self.transparent_color,
self.transparent_color_tolerance)
resp.opacity = self.opacity
return resp
except HTTPClientError, e:
log.warn('could not retrieve WMS map: %s', e)
reraise_exception(SourceError(e.args[0]), sys.exc_info())
def open(self, url, data=None):
code = None
result = None
req = urllib2.Request(url, data=data)
for key, value in self.header_list:
req.add_header(key, value)
try:
start_time = time.time()
if self._timeout is not None:
result = self.opener.open(req, timeout=self._timeout)
else:
result = self.opener.open(req)
except HTTPError, e:
code = e.code
reraise_exception(
HTTPClientError('HTTP Error "%s": %d' % (url, e.code),
response_code=code), sys.exc_info())
def get_map(self, query):
if self.grid.tile_size != query.size:
ex = InvalidSourceQuery(
'tile size of cache and tile source do not match: %s != %s'
% (self.grid.tile_size, query.size)
)
log_config.error(ex)
raise ex
if self.grid.srs != query.srs:
ex = InvalidSourceQuery(
'SRS of cache and tile source do not match: %r != %r'
% (self.grid.srs, query.srs)
)
log_config.error(ex)
raise ex
if self.res_range and not self.res_range.contains(query.bbox, query.size,
query.srs):
raise BlankImage()
if self.coverage and not self.coverage.intersects(query.bbox, query.srs):
raise BlankImage()
_bbox, grid, tiles = self.grid.get_affected_tiles(query.bbox, query.size)
if grid != (1, 1):
raise InvalidSourceQuery('BBOX does not align to tile')
tile_coord = tiles.next()
log.info("tile_coord request: "+ str(tile_coord))
try:
return self.client.get_tile(tile_coord, format=query.format)
except HTTPClientError, e:
if self.error_handler:
resp = self.error_handler.handle(e.response_code, query)
if resp:
return resp
log.warn('could not retrieve tile: %s', e)
reraise_exception(SourceError(e.args[0]), sys.exc_info())
def get_map(self, query):
if self.grid.tile_size != query.size:
ex = InvalidSourceQuery(
'tile size of cache and tile source do not match: %s != %s' %
(self.grid.tile_size, query.size))
log_config.error(ex)
raise ex
if self.grid.srs != query.srs:
ex = InvalidSourceQuery(
'SRS of cache and tile source do not match: %r != %r' %
(self.grid.srs, query.srs))
log_config.error(ex)
raise ex
if self.coverage and not self.coverage.intersects(
query.bbox, query.srs):
raise BlankImage()
_bbox, grid, tiles = self.grid.get_affected_tiles(
query.bbox, query.size)
if grid != (1, 1):
raise InvalidSourceQuery('BBOX does not align to tile')
tile_coord = tiles.next()
try:
return self.client.get_tile(tile_coord, format=query.format)
except HTTPClientError, e:
if self.error_handler:
resp = self.error_handler.handle(e.response_code, query)
if resp:
return resp
log.warn('could not retrieve tile: %s', e)
reraise_exception(SourceError(e.args[0]), sys.exc_info())
self.req_session = requests.Session(timeout=timeout)
def open(self, url, data=None):
code = None
result = None
try:
start_time = time.time()
result = self.req_session.get(url)
except (requests.exceptions.RequestException, Exception), e:
reraise_exception(HTTPClientError('Internal HTTP error "%s": %r'
% (url, e)), sys.exc_info())
else:
code = result.status_code
if not (200 <= code < 300):
reraise_exception(HTTPClientError('HTTP Error "%s": %d'
% (url, code), response_code=code), sys.exc_info())
if code == 204:
raise HTTPClientError('HTTP Error "204 No Content"', response_code=204)
return result
finally:
log_request(url, code, result, duration=time.time()-start_time, method='GET')
def open_image(self, url, data=None):
resp = self.open(url, data=data)
if 'content-type' in resp.headers:
if not resp.headers['content-type'].lower().startswith('image'):
raise HTTPClientError('response is not an image: (%s)' % (resp.content))
return ImageSource(StringIO(resp.content))
class HTTPClient(object):
def __init__(self,
url=None,
username=None,
password=None,
insecure=False,
ssl_ca_certs=None,
timeout=None,
headers=None):
if _urllib2_has_timeout:
self._timeout = timeout
else:
self._timeout = None
_set_global_socket_timeout(timeout)
if url and url.startswith('https'):
if insecure:
ssl_ca_certs = None
else:
if ssl is None:
raise ImportError(
'No ssl module found. SSL certificate '
'verification requires Python 2.6 or ssl module. Upgrade '
'or disable verification with http.ssl_no_cert_checks option.'
)
if ssl_ca_certs is None:
raise HTTPClientError(
'No ca_certs file set (http.ssl_ca_certs). '
'Set file or disable verification with http.ssl_no_cert_checks option.'
)
self.opener = create_url_opener(ssl_ca_certs, url, username, password)
self.header_list = headers.items() if headers else []
def open(self, url, data=None):
code = None
result = None
req = urllib2.Request(url, data=data)
for key, value in self.header_list:
req.add_header(key, value)
try:
start_time = time.time()
if self._timeout is not None:
result = self.opener.open(req, timeout=self._timeout)
else:
result = self.opener.open(req)
except HTTPError, e:
code = e.code
reraise_exception(
HTTPClientError('HTTP Error "%s": %d' % (url, e.code),
response_code=code), sys.exc_info())
except URLError, e:
if ssl and isinstance(e.reason, ssl.SSLError):
e = HTTPClientError(
'Could not verify connection to URL "%s": %s' %
(url, e.reason.args[1]))
reraise_exception(e, sys.exc_info())
try:
reason = e.reason.args[1]
except (AttributeError, IndexError):
reason = e.reason
reraise_exception(
HTTPClientError('No response from URL "%s": %s' %
(url, reason)), sys.exc_info())
except URLError, e:
if ssl and isinstance(e.reason, ssl.SSLError):
e = HTTPClientError(
'Could not verify connection to URL "%s": %s' %
(url, e.reason.args[1]))
reraise_exception(e, sys.exc_info())
try:
reason = e.reason.args[1]
except (AttributeError, IndexError):
reason = e.reason
reraise_exception(
HTTPClientError('No response from URL "%s": %s' %
(url, reason)), sys.exc_info())
except ValueError, e:
reraise_exception(
HTTPClientError('URL not correct "%s": %s' % (url, e.args[0])),
sys.exc_info())
except Exception, e:
reraise_exception(
HTTPClientError('Internal HTTP error "%s": %r' % (url, e)),
sys.exc_info())
else:
code = getattr(result, 'code', 200)
if code == 204:
raise HTTPClientError('HTTP Error "204 No Content"',
response_code=204)
return result
finally:
log_request(url,
code,
result,
code = e.code
reraise_exception(HTTPClientError('HTTP Error "%s": %d'
% (url, e.code), response_code=code), sys.exc_info())
except URLError, e:
if ssl and isinstance(e.reason, ssl.SSLError):
e = HTTPClientError('Could not verify connection to URL "%s": %s'
% (url, e.reason.args[1]))
reraise_exception(e, sys.exc_info())
try:
reason = e.reason.args[1]
except (AttributeError, IndexError):
reason = e.reason
reraise_exception(HTTPClientError('No response from URL "%s": %s'
% (url, reason)), sys.exc_info())
except ValueError, e:
reraise_exception(HTTPClientError('URL not correct "%s": %s'
% (url, e.args[0])), sys.exc_info())
except Exception, e:
reraise_exception(HTTPClientError('Internal HTTP error "%s": %r'
% (url, e)), sys.exc_info())
else:
code = getattr(result, 'code', 200)
if code == 204:
raise HTTPClientError('HTTP Error "204 No Content"', response_code=204)
return result
finally:
log_request(url, code, result, duration=time.time()-start_time, method=req.get_method())
def open_image(self, url, data=None):
resp = self.open(url, data=data)
if 'content-type' in resp.headers:
if not resp.headers['content-type'].lower().startswith('image'):
