예제 #1
0
파일: csw.py 프로젝트: open-data/OWSLib
    def getrecordbyid(self, id=[], esn='full', outputschema=namespaces['csw'], format=outputformat):
        """

        Construct and process a GetRecordById request

        Parameters
        ----------

        - id: the list of Ids
        - esn: the ElementSetName 'full', 'brief' or 'summary' (default is 'full')
        - outputschema: the outputSchema (default is 'http://www.opengis.net/cat/csw/2.0.2')
        - format: the outputFormat (default is 'application/xml')

        """

        # construct request
        data = {
            'service': self.service,
            'version': self.version,
            'request': 'GetRecordById',
            'outputFormat': format,
            'outputSchema': outputschema,
            'elementsetname': esn,
            'id': ','.join(id),
        }

        self.request = '%s%s' % (bind_url(self.url), urlencode(data))

        self._invoke()

        if self.exceptionreport is None:
            self.results = {}
            self.records = OrderedDict()
            self._parserecords(outputschema, esn)
예제 #2
0
파일: csw.py 프로젝트: Jonathankaoma/QGIS
    def getrecordbyid(self, id=[], esn="full", outputschema=namespaces["csw"], format=outputformat):
        """

        Construct and process a GetRecordById request

        Parameters
        ----------

        - id: the list of Ids
        - esn: the ElementSetName 'full', 'brief' or 'summary' (default is 'full')
        - outputschema: the outputSchema (default is 'http://www.opengis.net/cat/csw/2.0.2')
        - format: the outputFormat (default is 'application/xml')

        """

        # construct request
        data = {
            "service": self.service,
            "version": self.version,
            "request": "GetRecordById",
            "outputFormat": format,
            "outputSchema": outputschema,
            "elementsetname": esn,
            "id": "",
        }

        self.request = "%s%s%s" % (bind_url(self.url), urlencode(data), ",".join(id))

        self._invoke()

        if self.exceptionreport is None:
            self.results = {}
            self.records = {}
            self._parserecords(outputschema, esn)
예제 #3
0
파일: csw.py 프로젝트: AaronGaim/QGIS
    def getrecordbyid(self, id=[], esn='full', outputschema=namespaces['csw'], format=outputformat):
        """

        Construct and process a GetRecordById request

        Parameters
        ----------

        - id: the list of Ids
        - esn: the ElementSetName 'full', 'brief' or 'summary' (default is 'full')
        - outputschema: the outputSchema (default is 'http://www.opengis.net/cat/csw/2.0.2')
        - format: the outputFormat (default is 'application/xml')

        """

        # construct request
        data = {
            'service': self.service,
            'version': self.version,
            'request': 'GetRecordById',
            'outputFormat': format,
            'outputSchema': outputschema,
            'elementsetname': esn,
            'id': ','.join(id),
        }

        self.request = '%s%s' % (bind_url(self.url), urlencode(data))

        self._invoke()

        if self.exceptionreport is None:
            self.results = {}
            self.records = OrderedDict()
            self._parserecords(outputschema, esn)
예제 #4
0
 def get_capabilities_url(self):
     if self.resource_type.startswith('OGC:') \
             and self.resource_type != 'OGC:STA':
         url = '%s%s' % (bind_url(self.url),
                         RESOURCE_TYPES[self.resource_type]['capabilities'])
     else:
         url = self.url
     return url
예제 #5
0
 def get_capabilities_url(self):
     if self.resource_type.startswith('OGC:') \
             and self.resource_type != 'OGC:STA':
         url = '%s%s' % (bind_url(
             self.url), RESOURCE_TYPES[self.resource_type]['capabilities'])
     else:
         url = self.url
     return url
예제 #6
0
    def Subgetmap_url(self,
                      layers=None,
                      styles=None,
                      srs=None,
                      bbox=None,
                      format=None,
                      size=None,
                      time=None,
                      transparent=False,
                      bgcolor='#FFFFFF',
                      exceptions='application/vnd.ogc.se_xml',
                      method='Get',
                      timeout=None,
                      **kwargs):
        try:
            base_url = next((m.get('url')
                             for m in self.getOperationByName('GetMap').methods
                             if m.get('type').lower() == method.lower()))
        except StopIteration:
            base_url = self.url
        request = {'version': self.version, 'request': 'GetMap'}

        request = self.__build_getmap_request(layers=layers,
                                              styles=styles,
                                              srs=srs,
                                              bbox=bbox,
                                              format=format,
                                              size=size,
                                              time=time,
                                              transparent=transparent,
                                              bgcolor=bgcolor,
                                              exceptions=exceptions,
                                              **kwargs)

        data = urlencode(request)
        ##########
        #Replace + with %20
        ##########
        data = data.replace("+", "%20")
        request = bind_url(base_url) + data

        # GetMap validity
        u = openURL(base_url,
                    data,
                    method,
                    username=self.username,
                    password=self.password,
                    timeout=timeout or self.timeout)
        # check for service exceptions, and return
        if u.info()['Content-Type'].split(';')[0] in [
                'application/vnd.ogc.se_xml'
        ]:
            se_xml = u.read()
            se_tree = etree.fromstring(se_xml)
            err_message = six.text_type(
                se_tree.find('ServiceException').text).strip()
            raise ServiceException(err_message)
        return request
예제 #7
0
 def get_capabilities_url(self):
     if self.resource_type.startswith('OGC:') \
             and self.resource_type not in \
             ['OGC:STA', 'OGC:WFS3', 'ESRI:FS']:
         url = '%s%s' % (bind_url(
             self.url), RESOURCE_TYPES[self.resource_type]['capabilities'])
     else:
         url = self.url
     return url
예제 #8
0
파일: csw.py 프로젝트: open-data/OWSLib
    def __init__(self, url, lang='en-US', version='2.0.2', timeout=10, skip_caps=False,
                 username=None, password=None):
        """

        Construct and process a GetCapabilities request

        Parameters
        ----------

        - url: the URL of the CSW
        - lang: the language (default is 'en-US')
        - version: version (default is '2.0.2')
        - timeout: timeout in seconds
        - skip_caps: whether to skip GetCapabilities processing on init (default is False)
        - username: username for HTTP basic authentication
        - password: password for HTTP basic authentication

        """

        self.url = url
        self.lang = lang
        self.version = version
        self.timeout = timeout
        self.username = username
        self.password = password
        self.service = 'CSW'
        self.exceptionreport = None
        self.owscommon = ows.OwsCommon('1.0.0')

        if not skip_caps:  # process GetCapabilities
            # construct request

            data = {'service': self.service, 'version': self.version, 'request': 'GetCapabilities'}

            self.request = '%s%s' % (bind_url(self.url), urlencode(data))
    
            self._invoke()
    
            if self.exceptionreport is None:
                # ServiceIdentification
                val = self._exml.find(util.nspath_eval('ows:ServiceIdentification', namespaces))
                self.identification=ows.ServiceIdentification(val,self.owscommon.namespace)
                # ServiceProvider
                val = self._exml.find(util.nspath_eval('ows:ServiceProvider', namespaces))
                self.provider=ows.ServiceProvider(val,self.owscommon.namespace)
                # ServiceOperations metadata 
                self.operations=[]
                for elem in self._exml.findall(util.nspath_eval('ows:OperationsMetadata/ows:Operation', namespaces)):
                    self.operations.append(ows.OperationsMetadata(elem, self.owscommon.namespace))
        
                # FilterCapabilities
                val = self._exml.find(util.nspath_eval('ogc:Filter_Capabilities', namespaces))
                self.filters=fes.FilterCapabilities(val)
예제 #9
0
파일: csw.py 프로젝트: ERIN-LIST/OWSLib
    def __init__(self, url, lang='en-US', version='2.0.2', timeout=10, skip_caps=False,
                 username=None, password=None):
        """

        Construct and process a GetCapabilities request

        Parameters
        ----------

        - url: the URL of the CSW
        - lang: the language (default is 'en-US')
        - version: version (default is '2.0.2')
        - timeout: timeout in seconds
        - skip_caps: whether to skip GetCapabilities processing on init (default is False)
        - username: username for HTTP basic authentication
        - password: password for HTTP basic authentication

        """

        self.url = url
        self.lang = lang
        self.version = version
        self.timeout = timeout
        self.username = username
        self.password = password
        self.service = 'CSW'
        self.exceptionreport = None
        self.owscommon = ows.OwsCommon('1.0.0')

        if not skip_caps:  # process GetCapabilities
            # construct request

            data = {'service': self.service, 'version': self.version, 'request': 'GetCapabilities'}

            self.request = '%s%s' % (bind_url(self.url), urlencode(data))
    
            self._invoke()
    
            if self.exceptionreport is None:
                # ServiceIdentification
                val = self._exml.find(util.nspath_eval('ows:ServiceIdentification', namespaces))
                self.identification=ows.ServiceIdentification(val,self.owscommon.namespace)
                # ServiceProvider
                val = self._exml.find(util.nspath_eval('ows:ServiceProvider', namespaces))
                self.provider=ows.ServiceProvider(val,self.owscommon.namespace)
                # ServiceOperations metadata 
                self.operations=[]
                for elem in self._exml.findall(util.nspath_eval('ows:OperationsMetadata/ows:Operation', namespaces)):
                    self.operations.append(ows.OperationsMetadata(elem, self.owscommon.namespace))
        
                # FilterCapabilities
                val = self._exml.find(util.nspath_eval('ogc:Filter_Capabilities', namespaces))
                self.filters=fes.FilterCapabilities(val)
예제 #10
0
파일: csw.py 프로젝트: Jonathankaoma/QGIS
    def __init__(self, url, lang="en-US", version="2.0.2", timeout=10, skip_caps=False):
        """

        Construct and process a GetCapabilities request

        Parameters
        ----------

        - url: the URL of the CSW
        - lang: the language (default is 'en-US')
        - version: version (default is '2.0.2')
        - timeout: timeout in seconds
        - skip_caps: whether to skip GetCapabilities processing on init (default is False)

        """

        self.url = url
        self.lang = lang
        self.version = version
        self.timeout = timeout
        self.service = "CSW"
        self.exceptionreport = None
        self.owscommon = ows.OwsCommon("1.0.0")

        if not skip_caps:  # process GetCapabilities
            # construct request

            data = {"service": self.service, "version": self.version, "request": "GetCapabilities"}

            self.request = "%s%s" % (bind_url(self.url), urlencode(data))

            self._invoke()

            if self.exceptionreport is None:
                # ServiceIdentification
                val = self._exml.find(util.nspath_eval("ows:ServiceIdentification", namespaces))
                self.identification = ows.ServiceIdentification(val, self.owscommon.namespace)
                # ServiceProvider
                val = self._exml.find(util.nspath_eval("ows:ServiceProvider", namespaces))
                self.provider = ows.ServiceProvider(val, self.owscommon.namespace)
                # ServiceOperations metadata
                self.operations = []
                for elem in self._exml.findall(util.nspath_eval("ows:OperationsMetadata/ows:Operation", namespaces)):
                    self.operations.append(ows.OperationsMetadata(elem, self.owscommon.namespace))

                # FilterCapabilities
                val = self._exml.find(util.nspath_eval("ogc:Filter_Capabilities", namespaces))
                self.filters = fes.FilterCapabilities(val)
예제 #11
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    def _invoke(self):
        # do HTTP request

        request_url = self.url

        # Get correct URL based on Operation list.

        # If skip_caps=True, then self.operations has not been set, so use
        # default URL.
        if hasattr(self, 'operations'):
            caller = inspect.stack()[1][3]
            if caller == 'getrecords2': caller = 'getrecords'
            try:
                op = self.get_operation_by_name(caller)
                if isinstance(self.request, six.string_types):  # GET KVP
                    get_verbs = [
                        x for x in op.methods if x.get('type').lower() == 'get'
                    ]
                    request_url = get_verbs[0].get('url')
                else:
                    post_verbs = [
                        x for x in op.methods
                        if x.get('type').lower() == 'post'
                    ]
                    if len(post_verbs) > 1:
                        # Filter by constraints.  We must match a PostEncoding of "XML"
                        for pv in post_verbs:
                            for const in pv.get('constraints'):
                                if const.name.lower() == 'postencoding':
                                    values = [v.lower() for v in const.values]
                                    if 'xml' in values:
                                        request_url = pv.get('url')
                                        break
                        else:
                            # Well, just use the first one.
                            request_url = post_verbs[0].get('url')
                    elif len(post_verbs) == 1:
                        request_post_url = post_verbs[0].get('url')
            except:  # no such luck, just go with request_url
                pass

        if isinstance(self.request, six.string_types):  # GET KVP
            self.request = '%s%s' % (bind_url(request_url), self.request)
            self.response = openURL(self.request,
                                    None,
                                    'Get',
                                    username=self.username,
                                    password=self.password,
                                    timeout=self.timeout).read()
        else:
            self.request = cleanup_namespaces(self.request)
            # Add any namespaces used in the "typeNames" attribute of the
            # csw:Query element to the query's xml namespaces.
            for query in self.request.findall(
                    util.nspath_eval('csw:Query', namespaces)):
                ns = query.get("typeNames", None)
                if ns is not None:
                    # Pull out "gmd" from something like "gmd:MD_Metadata" from the list
                    # of typenames
                    ns_keys = [x.split(':')[0] for x in ns.split(' ')]
                    self.request = add_namespaces(self.request, ns_keys)

            self.request = util.element_to_string(self.request,
                                                  encoding='utf-8')

            self.response = util.http_post(request_url, self.request,
                                           self.lang, self.timeout,
                                           self.username, self.password)

        # parse result see if it's XML
        self._exml = etree.parse(BytesIO(self.response))

        # it's XML.  Attempt to decipher whether the XML response is CSW-ish """
        valid_xpaths = [
            util.nspath_eval('ows:ExceptionReport', namespaces),
            util.nspath_eval('csw:Capabilities', namespaces),
            util.nspath_eval('csw:DescribeRecordResponse', namespaces),
            util.nspath_eval('csw:GetDomainResponse', namespaces),
            util.nspath_eval('csw:GetRecordsResponse', namespaces),
            util.nspath_eval('csw:GetRecordByIdResponse', namespaces),
            util.nspath_eval('csw:HarvestResponse', namespaces),
            util.nspath_eval('csw:TransactionResponse', namespaces)
        ]

        if self._exml.getroot().tag not in valid_xpaths:
            raise RuntimeError('Document is XML, but not CSW-ish')

        # check if it's an OGC Exception
        val = self._exml.find(util.nspath_eval('ows:Exception', namespaces))
        if val is not None:
            raise ows.ExceptionReport(self._exml, self.owscommon.namespace)
        else:
            self.exceptionreport = None
예제 #12
0
    def getfeatureinfo(self,
                       layers=None,
                       styles=None,
                       srs=None,
                       bbox=None,
                       format=None,
                       size=None,
                       time=None,
                       elevation=None,
                       dimensions={},
                       transparent=False,
                       bgcolor='#FFFFFF',
                       exceptions='XML',
                       query_layers=None,
                       xy=None,
                       info_format=None,
                       feature_count=20,
                       method='Get',
                       timeout=None,
                       **kwargs):
        try:
            base_url = next(
                (m.get('url')
                 for m in self.getOperationByName('GetFeatureInfo').methods
                 if m.get('type').lower() == method.lower()))
        except StopIteration:
            base_url = self.url

        # GetMap-Request
        request = self.__build_getmap_request(layers=layers,
                                              styles=styles,
                                              srs=srs,
                                              bbox=bbox,
                                              dimensions=dimensions,
                                              elevation=elevation,
                                              format=format,
                                              size=size,
                                              time=time,
                                              transparent=transparent,
                                              bgcolor=bgcolor,
                                              exceptions=exceptions,
                                              kwargs=kwargs)

        # extend to GetFeatureInfo-Request
        request['request'] = 'GetFeatureInfo'

        if not query_layers:
            __str_query_layers = ','.join(layers)
        else:
            __str_query_layers = ','.join(query_layers)

        request['query_layers'] = __str_query_layers
        request['i'] = str(xy[0])
        request['j'] = str(xy[1])
        request['info_format'] = info_format
        request['feature_count'] = str(feature_count)

        data = urlencode(request)

        self.request = bind_url(base_url) + data

        u = openURL(base_url,
                    data,
                    method,
                    username=self.username,
                    password=self.password,
                    timeout=timeout or self.timeout)

        # check for service exceptions, and return
        if u.info()['Content-Type'] == 'XML':
            se_xml = u.read()
            se_tree = etree.fromstring(se_xml)
            err_message = six.text_type(
                se_tree.find('ServiceException').text).strip()
            raise ServiceException(err_message)
        return u
예제 #13
0
    def getmap(self,
               layers=None,
               styles=None,
               srs=None,
               bbox=None,
               format=None,
               size=None,
               time=None,
               elevation=None,
               dimensions={},
               transparent=False,
               bgcolor='#FFFFFF',
               exceptions='XML',
               method='Get',
               timeout=None,
               **kwargs):
        """Request and return an image from the WMS as a file-like object.

        Parameters
        ----------
        layers : list
            List of content layer names.
        styles : list
            Optional list of named styles, must be the same length as the
            layers list.
        srs : string
            A spatial reference system identifier.
            Note: this is an invalid query parameter key for 1.3.0 but is being
                  retained for standardization with 1.1.1.
            Note: throws exception if the spatial ref is ESRI's "no reference"
                  code (EPSG:0)
        bbox : tuple
            (left, bottom, right, top) in srs units (note, this order does not
                change depending on axis order of the crs).

            CRS:84: (long, lat)
            EPSG:4326: (lat, long)
        format : string
            Output image format such as 'image/jpeg'.
        size : tuple
            (width, height) in pixels.

        time : string or list or range
            Optional. Time value of the specified layer as ISO-8601 (per value)
        elevation : string or list or range
            Optional. Elevation value of the specified layer.
        dimensions: dict (dimension : string or list or range)
            Optional. Any other Dimension option, as specified in the GetCapabilities

        transparent : bool
            Optional. Transparent background if True.
        bgcolor : string
            Optional. Image background color.
        method : string
            Optional. HTTP DCP method name: Get or Post.
        **kwargs : extra arguments
            anything else e.g. vendor specific parameters

        Example
        -------
            wms = WebMapService('http://webservices.nationalatlas.gov/wms/1million',\
                                    version='1.3.0')
            img = wms.getmap(layers=['airports1m'],\
                                 styles=['default'],\
                                 srs='EPSG:4326',\
                                 bbox=(-176.646, 17.7016, -64.8017, 71.2854),\
                                 size=(300, 300),\
                                 format='image/jpeg',\
                                 transparent=True)
            out = open('example.jpg.jpg', 'wb')
            out.write(img.read())
            out.close()

        """

        try:
            base_url = next((m.get('url')
                             for m in self.getOperationByName('GetMap').methods
                             if m.get('type').lower() == method.lower()))
        except StopIteration:
            base_url = self.url

        request = self.__build_getmap_request(layers=layers,
                                              styles=styles,
                                              srs=srs,
                                              bbox=bbox,
                                              dimensions=dimensions,
                                              elevation=elevation,
                                              format=format,
                                              size=size,
                                              time=time,
                                              transparent=transparent,
                                              bgcolor=bgcolor,
                                              exceptions=exceptions,
                                              **kwargs)

        data = urlencode(request)

        self.request = bind_url(base_url) + data

        u = openURL(base_url,
                    data,
                    method,
                    username=self.username,
                    password=self.password,
                    timeout=timeout or self.timeout)

        # need to handle casing in the header keys
        headers = {}
        for k, v in six.iteritems(u.info()):
            headers[k.lower()] = v

        # handle the potential charset def
        if headers['content-type'].split(';')[0] in [
                'application/vnd.ogc.se_xml', 'text/xml'
        ]:
            se_xml = u.read()
            se_tree = etree.fromstring(se_xml)
            err_message = six.text_type(
                se_tree.find(nspath('ServiceException',
                                    OGC_NAMESPACE)).text).strip()
            raise ServiceException(err_message)
        return u
예제 #14
0
파일: wms130.py 프로젝트: KeyproOy/OWSLib
    def getfeatureinfo(self, layers=None,
                       styles=None,
                       srs=None,
                       bbox=None,
                       format=None,
                       size=None,
                       time=None,
                       elevation=None,
                       dimensions={},
                       transparent=False,
                       bgcolor='#FFFFFF',
                       exceptions='XML',
                       query_layers=None,
                       xy=None,
                       info_format=None,
                       feature_count=20,
                       method='Get',
                       timeout=None,
                       **kwargs
                       ):
        try:
            base_url = next((m.get('url') for m in self.getOperationByName('GetFeatureInfo').methods if m.get('type').lower() == method.lower()))
        except StopIteration:
            base_url = self.url

        # GetMap-Request
        request = self.__build_getmap_request(
            layers=layers,
            styles=styles,
            srs=srs,
            bbox=bbox,
            dimensions=dimensions,
            elevation=elevation,
            format=format,
            size=size,
            time=time,
            transparent=transparent,
            bgcolor=bgcolor,
            exceptions=exceptions,
            kwargs=kwargs)

        # extend to GetFeatureInfo-Request
        request['request'] = 'GetFeatureInfo'

        if not query_layers:
            __str_query_layers = ','.join(layers)
        else:
            __str_query_layers = ','.join(query_layers)

        request['query_layers'] = __str_query_layers
        request['i'] = str(xy[0])
        request['j'] = str(xy[1])
        request['info_format'] = info_format
        request['feature_count'] = str(feature_count)

        data = urlencode(request)
 
        self.request = bind_url(base_url) + data

        u = openURL(base_url, data, method, username=self.username, password=self.password, timeout=timeout or self.timeout)

        # check for service exceptions, and return
        if u.info()['Content-Type'] == 'XML':
            se_xml = u.read()
            se_tree = etree.fromstring(se_xml)
            err_message = six.text_type(se_tree.find('ServiceException').text).strip()
            raise ServiceException(err_message)
        return u
예제 #15
0
파일: wms130.py 프로젝트: KeyproOy/OWSLib
    def getmap(self, layers=None,
               styles=None,
               srs=None,
               bbox=None,
               format=None,
               size=None,
               time=None,
               elevation=None,
               dimensions={},
               transparent=False,
               bgcolor='#FFFFFF',
               exceptions='XML',
               method='Get',
               timeout=None,
               **kwargs
               ):
        """Request and return an image from the WMS as a file-like object.

        Parameters
        ----------
        layers : list
            List of content layer names.
        styles : list
            Optional list of named styles, must be the same length as the
            layers list.
        srs : string
            A spatial reference system identifier.
            Note: this is an invalid query parameter key for 1.3.0 but is being
                  retained for standardization with 1.1.1.
            Note: throws exception if the spatial ref is ESRI's "no reference"
                  code (EPSG:0)
        bbox : tuple
            (left, bottom, right, top) in srs units (note, this order does not
                change depending on axis order of the crs).

            CRS:84: (long, lat)
            EPSG:4326: (lat, long)
        format : string
            Output image format such as 'image/jpeg'.
        size : tuple
            (width, height) in pixels.

        time : string or list or range
            Optional. Time value of the specified layer as ISO-8601 (per value)
        elevation : string or list or range
            Optional. Elevation value of the specified layer.
        dimensions: dict (dimension : string or list or range)
            Optional. Any other Dimension option, as specified in the GetCapabilities

        transparent : bool
            Optional. Transparent background if True.
        bgcolor : string
            Optional. Image background color.
        method : string
            Optional. HTTP DCP method name: Get or Post.
        **kwargs : extra arguments
            anything else e.g. vendor specific parameters

        Example
        -------
            wms = WebMapService('http://webservices.nationalatlas.gov/wms/1million',\
                                    version='1.3.0')
            img = wms.getmap(layers=['airports1m'],\
                                 styles=['default'],\
                                 srs='EPSG:4326',\
                                 bbox=(-176.646, 17.7016, -64.8017, 71.2854),\
                                 size=(300, 300),\
                                 format='image/jpeg',\
                                 transparent=True)
            out = open('example.jpg.jpg', 'wb')
            out.write(img.read())
            out.close()

        """

        try:
            base_url = next((m.get('url') for m in
                            self.getOperationByName('GetMap').methods if
                            m.get('type').lower() == method.lower()))
        except StopIteration:
            base_url = self.url

        request = self.__build_getmap_request(
            layers=layers,
            styles=styles,
            srs=srs,
            bbox=bbox,
            dimensions=dimensions,
            elevation=elevation,
            format=format,
            size=size,
            time=time,
            transparent=transparent,
            bgcolor=bgcolor,
            exceptions=exceptions,
            **kwargs)

        data = urlencode(request)

        self.request = bind_url(base_url) + data

        u = openURL(base_url,
                    data,
                    method,
                    username=self.username,
                    password=self.password,
                    timeout=timeout or self.timeout)

        # need to handle casing in the header keys
        headers = {}
        for k, v in six.iteritems(u.info()):
            headers[k.lower()] = v

        # handle the potential charset def
        if headers['content-type'].split(';')[0] in ['application/vnd.ogc.se_xml', 'text/xml']:
            se_xml = u.read()
            se_tree = etree.fromstring(se_xml)
            err_message = six.text_type(se_tree.find(nspath('ServiceException', OGC_NAMESPACE)).text).strip()
            raise ServiceException(err_message)
        return u
예제 #16
0
파일: subwms130.py 프로젝트: ZelongY/forfun
    def getlegendgraphic(self,
                         layer=None,
                         styles=None,
                         format=None,
                         size=None,
                         time=None,
                         transparent=False,
                         bgcolor='#FFFFFF',
                         exceptions='application/vnd.ogc.se_xml',
                         method='Get',
                         timeout=None,
                         **kwargs):
        # Extract legend url from layer styles
        request = None
        request = self.contents[layer].getlegendgraphicrequest()

        # Construct legend url
        if request is None:
            try:
                base_url = next((m.get('url') for m in self.getOperationByName(
                    'GetLegendGraphic').methods
                                 if m.get('type').lower() == method.lower()))
            except StopIteration:
                base_url = self.url
            request = {'version': self.version, 'request': 'GetLegendGraphic'}

            request = self.__build_getlegendgraphic_request(
                layer=layer,
                styles=styles,
                format=format,
                size=size,
                time=time,
                transparent=transparent,
                bgcolor=bgcolor,
                exceptions=exceptions,
                **kwargs)

            data = urlencode(request)
            ##########
            #Replace + with %20
            ##########
            data = data.replace("+", "%20")

            request = bind_url(base_url) + data

        u = openURL(request,
                    method,
                    username=self.username,
                    password=self.password,
                    timeout=timeout or self.timeout)

        # check for service exceptions, and return
        if u.info()['Content-Type'].split(';')[0] in [
                'application/vnd.ogc.se_xml'
        ]:
            se_xml = u.read()
            se_tree = etree.fromstring(se_xml)
            err_message = six.text_type(
                se_tree.find('ServiceException').text).strip() + request
            raise ServiceException(err_message)
        return u, request
예제 #17
0
파일: wms111.py 프로젝트: yalaudah/OWSLib
    def getmap(self, layers=None, styles=None, srs=None, bbox=None,
               format=None, size=None, time=None, transparent=False,
               bgcolor='#FFFFFF',
               exceptions='application/vnd.ogc.se_xml',
               method='Get',
               timeout=None,
               **kwargs
               ):
        """Request and return an image from the WMS as a file-like object.

        Parameters
        ----------
        layers : list
            List of content layer names.
        styles : list
            Optional list of named styles, must be the same length as the
            layers list.
        srs : string
            A spatial reference system identifier.
        bbox : tuple
            (left, bottom, right, top) in srs units.
        format : string
            Output image format such as 'image/jpeg'.
        size : tuple
            (width, height) in pixels.
        transparent : bool
            Optional. Transparent background if True.
        bgcolor : string
            Optional. Image background color.
        method : string
            Optional. HTTP DCP method name: Get or Post.
        **kwargs : extra arguments
            anything else e.g. vendor specific parameters

        Example
        -------
            wms = WebMapService('http://giswebservices.massgis.state.ma.us/geoserver/wms', version='1.1.1')
            img = wms.getmap(layers=['massgis:GISDATA.SHORELINES_ARC'],\
                                 styles=[''],\
                                 srs='EPSG:4326',\
                                 bbox=(-70.8, 42, -70, 42.8),\
                                 size=(300, 300),\
                                 format='image/jpeg',\
                                 transparent=True)
            out = open('example.jpg', 'wb')
            bytes_written = out.write(img.read())
            out.close()

        """
        try:
            base_url = next((m.get('url') for m in self.getOperationByName('GetMap').methods if m.get('type').lower() == method.lower()))
        except StopIteration:
            base_url = self.url
        request = {'version': self.version, 'request': 'GetMap'}

        request = self.__build_getmap_request(
            layers=layers,
            styles=styles,
            srs=srs,
            bbox=bbox,
            format=format,
            size=size,
            time=time,
            transparent=transparent,
            bgcolor=bgcolor,
            exceptions=exceptions,
            **kwargs)

        data = urlencode(request)

        self.request = bind_url(base_url) + data

        u = openURL(base_url, data, method, timeout=timeout or self.timeout, auth=self.auth)

        # check for service exceptions, and return
        if u.info().get('Content-Type', '').split(';')[0] in ['application/vnd.ogc.se_xml']:
            se_xml = u.read()
            se_tree = etree.fromstring(se_xml)
            err_message = six.text_type(se_tree.find('ServiceException').text).strip()
            raise ServiceException(err_message)
        return u
예제 #18
0
    def getmap(self, layers=None, styles=None, srs=None, bbox=None,
               format=None, size=None, time=None, transparent=False,
               bgcolor='#FFFFFF',
               exceptions='application/vnd.ogc.se_xml',
               method='Get',
               timeout=None,
               **kwargs
               ):
        """Request and return an image from the WMS as a file-like object.

        Parameters
        ----------
        layers : list
            List of content layer names.
        styles : list
            Optional list of named styles, must be the same length as the
            layers list.
        srs : string
            A spatial reference system identifier.
        bbox : tuple
            (left, bottom, right, top) in srs units.
        format : string
            Output image format such as 'image/jpeg'.
        size : tuple
            (width, height) in pixels.
        transparent : bool
            Optional. Transparent background if True.
        bgcolor : string
            Optional. Image background color.
        method : string
            Optional. HTTP DCP method name: Get or Post.
        **kwargs : extra arguments
            anything else e.g. vendor specific parameters

        Example
        -------
            wms = WebMapService('http://giswebservices.massgis.state.ma.us/geoserver/wms', version='1.1.1')
            img = wms.getmap(layers=['massgis:GISDATA.SHORELINES_ARC'],\
                                 styles=[''],\
                                 srs='EPSG:4326',\
                                 bbox=(-70.8, 42, -70, 42.8),\
                                 size=(300, 300),\
                                 format='image/jpeg',\
                                 transparent=True)
            out = open('example.jpg', 'wb')
            bytes_written = out.write(img.read())
            out.close()

        """
        try:
            base_url = next((m.get('url') for m in self.getOperationByName('GetMap').methods if m.get('type').lower() == method.lower()))
        except StopIteration:
            base_url = self.url
        request = {'version': self.version, 'request': 'GetMap'}

        request = self.__build_getmap_request(
            layers=layers,
            styles=styles,
            srs=srs,
            bbox=bbox,
            format=format,
            size=size,
            time=time,
            transparent=transparent,
            bgcolor=bgcolor,
            exceptions=exceptions,
            **kwargs)

        data = urlencode(request)

        self.request = bind_url(base_url) + data

        u = openURL(base_url, data, method, username=self.username, password=self.password, timeout=timeout or self.timeout)

        # check for service exceptions, and return
        if u.info().get('Content-Type', '').split(';')[0] in ['application/vnd.ogc.se_xml']:
            se_xml = u.read()
            se_tree = etree.fromstring(se_xml)
            err_message = six.text_type(se_tree.find('ServiceException').text).strip()
            raise ServiceException(err_message)
        return u
예제 #19
0
파일: csw.py 프로젝트: meteogrid/OWSLib
    def _invoke(self):
        # do HTTP request

        request_url = self.url

        # Get correct URL based on Operation list.

        # If skip_caps=True, then self.operations has not been set, so use
        # default URL.
        if hasattr(self, 'operations'):
            caller = inspect.stack()[1][3]
            if caller == 'getrecords2': caller = 'getrecords'
            try:
                op = self.get_operation_by_name(caller)
                if isinstance(self.request, six.string_types):  # GET KVP
                    get_verbs = [x for x in op.methods if x.get('type').lower() == 'get']
                    request_url = get_verbs[0].get('url')
                else:
                    post_verbs = [x for x in op.methods if x.get('type').lower() == 'post']
                    if len(post_verbs) > 1:
                        # Filter by constraints.  We must match a PostEncoding of "XML"
                        for pv in post_verbs:
                            for const in pv.get('constraints'):
                                if const.name.lower() == 'postencoding':
                                    values = [v.lower() for v in const.values]
                                    if 'xml' in values:
                                        request_url = pv.get('url')
                                        break
                        else:
                            # Well, just use the first one.
                            request_url = post_verbs[0].get('url')
                    elif len(post_verbs) == 1:
                        request_url = post_verbs[0].get('url')
            except:  # no such luck, just go with request_url
                pass

        if isinstance(self.request, six.string_types):  # GET KVP
            self.request = '%s%s' % (bind_url(request_url), self.request)
            self.response = openURL(self.request, None, 'Get', username=self.username, password=self.password, timeout=self.timeout).read()
        else:
            self.request = cleanup_namespaces(self.request)
            # Add any namespaces used in the "typeNames" attribute of the
            # csw:Query element to the query's xml namespaces.
            for query in self.request.findall(util.nspath_eval('csw:Query', namespaces)):
                ns = query.get("typeNames", None)
                if ns is not None:
                    # Pull out "gmd" from something like "gmd:MD_Metadata" from the list
                    # of typenames
                    ns_keys = [x.split(':')[0] for x in ns.split(' ')]
                    self.request = add_namespaces(self.request, ns_keys)

            self.request = util.element_to_string(self.request, encoding='utf-8')

            self.response = util.http_post(request_url, self.request, self.lang, self.timeout, self.username, self.password)

        # parse result see if it's XML
        self._exml = etree.parse(BytesIO(self.response))

        # it's XML.  Attempt to decipher whether the XML response is CSW-ish """
        valid_xpaths = [
            util.nspath_eval('ows:ExceptionReport', namespaces),
            util.nspath_eval('csw:Capabilities', namespaces),
            util.nspath_eval('csw:DescribeRecordResponse', namespaces),
            util.nspath_eval('csw:GetDomainResponse', namespaces),
            util.nspath_eval('csw:GetRecordsResponse', namespaces),
            util.nspath_eval('csw:GetRecordByIdResponse', namespaces),
            util.nspath_eval('csw:HarvestResponse', namespaces),
            util.nspath_eval('csw:TransactionResponse', namespaces)
        ]

        if self._exml.getroot().tag not in valid_xpaths:
            raise RuntimeError('Document is XML, but not CSW-ish')

        # check if it's an OGC Exception
        val = self._exml.find(util.nspath_eval('ows:Exception', namespaces))
        if val is not None:
            raise ows.ExceptionReport(self._exml, self.owscommon.namespace)
        else:
            self.exceptionreport = None
예제 #20
0
파일: subwms130.py 프로젝트: ZelongY/forfun
    def Subgetmap_url(self,
                      layers=None,
                      styles=None,
                      srs=None,
                      bbox=None,
                      format=None,
                      size=None,
                      time=None,
                      elevation=None,
                      dimensions={},
                      transparent=False,
                      bgcolor='#FFFFFF',
                      exceptions='XML',
                      method='Get',
                      timeout=None,
                      **kwargs):

        try:
            base_url = next((m.get('url')
                             for m in self.getOperationByName('GetMap').methods
                             if m.get('type').lower() == method.lower()))
        except StopIteration:
            base_url = self.url

        request = self.__build_getmap_request(layers=layers,
                                              styles=styles,
                                              srs=srs,
                                              bbox=bbox,
                                              dimensions=dimensions,
                                              elevation=elevation,
                                              format=format,
                                              size=size,
                                              time=time,
                                              transparent=transparent,
                                              bgcolor=bgcolor,
                                              exceptions=exceptions,
                                              **kwargs)

        data = urlencode(request)
        data = data.replace("+", "%20")

        request = bind_url(base_url) + data

        u = openURL(base_url,
                    data,
                    method,
                    username=self.username,
                    password=self.password,
                    timeout=timeout or self.timeout)

        # need to handle casing in the header keys
        headers = {}
        for k, v in six.iteritems(u.info()):
            headers[k.lower()] = v

        # handle the potential charset def
        if headers['content-type'].split(';')[0] in [
                'application/vnd.ogc.se_xml', 'text/xml'
        ]:
            se_xml = u.read()
            se_tree = etree.fromstring(se_xml)
            err_message = six.text_type(
                se_tree.find(
                    subcommon.nspath('ServiceException',
                                     OGC_NAMESPACE)).text).strip()
            raise ServiceException(err_message)
        return request
예제 #21
0
    def _invoke(self, mock_requests_post, mock_requests_request):
        try:
            if self.auth.token is not None:
                self.auth.username = "******"
                self.auth.password = self.auth.token
        except AttributeError:
            pass

        # do HTTP request

        request_url = self.url

        # Get correct URL based on Operation list.

        # If skip_caps=True, then self.operations has not been set, so use
        # default URL.
        if hasattr(self, "operations"):
            caller = inspect.stack()[1][3]
            if caller == "getrecords2":
                caller = "getrecords"
            # noinspection PyBroadException
            try:
                op = self.get_operation_by_name(caller)
                if isinstance(self.request, str):  # GET KVP
                    get_verbs = [
                        x for x in op.methods if x.get("type").lower() == "get"
                    ]
                    request_url = get_verbs[0].get("url")
                else:
                    post_verbs = [
                        x for x in op.methods
                        if x.get("type").lower() == "post"
                    ]
                    if len(post_verbs) > 1:
                        # Filter by constraints.  We must match a PostEncoding of "XML"
                        for pv in post_verbs:
                            for const in pv.get("constraints"):
                                if const.name.lower() == "postencoding":
                                    values = [v.lower() for v in const.values]
                                    if "xml" in values:
                                        request_url = pv.get("url")
                                        break
                        else:
                            # Well, just use the first one.
                            request_url = post_verbs[0].get("url")
                    elif len(post_verbs) == 1:
                        request_url = post_verbs[0].get("url")
            except Exception:  # nosec
                # no such luck, just go with request_url
                pass

        # print("Echo")

        if isinstance(self.request, str):  # GET KVP
            # print("Foxtrot")

            self.request = "%s%s" % (bind_url(request_url), self.request)
            self.response = openURL(self.request,
                                    None,
                                    "Get",
                                    timeout=self.timeout,
                                    auth=self.auth).read()

            # debug
            # print("invoke")
            # print(self.response[0:100])
        else:
            # print("Golf")

            self.request = cleanup_namespaces(self.request)
            # Add any namespaces used in the "typeNames" attribute of the
            # csw:Query element to the query's xml namespaces.
            # noinspection PyUnresolvedReferences
            for query in self.request.findall(
                    util.nspath_eval("csw:Query", csw_namespaces)):
                ns = query.get("typeNames", None)
                if ns is not None:
                    # Pull out "gmd" from something like "gmd:MD_Metadata" from the list
                    # of typenames
                    ns_keys = [x.split(":")[0] for x in ns.split(" ")]
                    self.request = add_namespaces(self.request, ns_keys)
            self.request = add_namespaces(self.request, "ows")

            self.request = util.element_to_string(self.request,
                                                  encoding="utf-8")

            # print("Hotel")

            self.response = http_post(request_url,
                                      self.request,
                                      self.lang,
                                      self.timeout,
                                      auth=self.auth)

            # debug
            # print("invoke 2")
            # print(self.response[0:100])

        # debug
        # print("parse")
        # print(self.response[0:100])
        # print(self.response)

        # parse result see if it's XML
        self._exml = etree.parse(BytesIO(self.response))

        # it's XML.  Attempt to decipher whether the XML response is CSW-ish """
        valid_xpaths = [
            util.nspath_eval("ows:ExceptionReport", csw_namespaces),
            util.nspath_eval("csw:Capabilities", csw_namespaces),
            util.nspath_eval("csw:DescribeRecordResponse", csw_namespaces),
            util.nspath_eval("csw:GetDomainResponse", csw_namespaces),
            util.nspath_eval("csw:GetRecordsResponse", csw_namespaces),
            util.nspath_eval("csw:GetRecordByIdResponse", csw_namespaces),
            util.nspath_eval("csw:HarvestResponse", csw_namespaces),
            util.nspath_eval("csw:TransactionResponse", csw_namespaces),
        ]

        if self._exml.getroot().tag not in valid_xpaths:
            raise RuntimeError("Document is XML, but not CSW-ish")

        # check if it's an OGC Exception
        val = self._exml.find(util.nspath_eval("ows:Exception",
                                               csw_namespaces))
        if val is not None:
            raise ows.ExceptionReport(self._exml, self.owscommon.namespace)
        else:
            self.exceptionreport = None
예제 #22
0
파일: wms130.py 프로젝트: meteogrid/OWSLib
    def getlegendgraphic(self, layer=None,
               style=None,
               format=None,
               size=None,
               exceptions='XML',
               method='Get',
               timeout=None,
               **kwargs
               ):
        """Request and return an image from the WMS as a file-like object.

        Parameters
        ----------
        layer : string
            Content layer name.
        style : string
            Named style.
        format : string
            Output image format such as 'image/jpeg'.
        width : integer
            width in pixels.
        height : integer
            height in pixels.
        method : string
            Optional. HTTP DCP method name: Get or Post.
        **kwargs : extra arguments
            anything else e.g. vendor specific parameters

        Example
        -------
            wms = WebMapService('http://webservices.nationalatlas.gov/wms/1million',\
                                    version='1.3.0')
            img = wms.getlegendgraphic(layer='airports1m',\
                                 style='default',\
                                 size=[300, 300],\
                                 format='image/jpeg',\
            out = open('example.jpg', 'wb')
            out.write(img.read())
            out.close()

        """

        try:
            base_url = next((m.get('url') for m in
                            self.getOperationByName('GetMap').methods if
                            m.get('type').lower() == method.lower()))
        except StopIteration:
            base_url = self.url

        request = self.__build_getlegendgraphic_request(
            layer=layer,
            style=style,
            format=format,
            size=size,
            exceptions=exceptions,
            **kwargs)

        data = urlencode(request)

        self.request = bind_url(base_url) + data

        u = openURL(base_url,
                    data,
                    method,
                    username=self.username,
                    password=self.password,
                    timeout=timeout or self.timeout)

        # need to handle casing in the header keys
        headers = {}
        for k, v in six.iteritems(u.info()):
            headers[k.lower()] = v

        # handle the potential charset def
        if headers['content-type'].split(';')[0] in ['application/vnd.ogc.se_xml', 'text/xml']:
            se_xml = u.read()
            se_tree = etree.fromstring(se_xml)
            err_message = six.text_type(se_tree.find(nspath('ServiceException', OGC_NAMESPACE)).text).strip()
            raise ServiceException(err_message)
        return u