Python IIIFInfo.identifier方法代码示例

# 需要导入模块: from iiif.info import IIIFInfo [as 别名]
# 或者: from iiif.info.IIIFInfo import identifier [as 别名]
    def do_GET_body(self):
        """Create body of GET."""
        iiif = self.iiif
        if len(self.path) > 1024:
            raise IIIFError(code=414, text="URI Too Long: Max 1024 chars, got %d\n" % len(self.path))
        try:
            # self.path has leading / then identifier/params...
            self.path = self.path.lstrip("/")
            sys.stderr.write("path = %s" % (self.path))
            iiif.parse_url(self.path)
        except Exception as e:
            # Something completely unexpected => 500
            raise IIIFError(
                code=500, text="Internal Server Error: unexpected exception parsing request (" + str(e) + ")"
            )
        # Now we have a full iiif request
        if re.match("[\w\.\-]+$", iiif.identifier):
            file = os.path.join(TESTIMAGE_DIR, iiif.identifier)
            if not os.path.isfile(file):
                images_available = ""
                for image_file in os.listdir(TESTIMAGE_DIR):
                    if os.path.isfile(os.path.join(TESTIMAGE_DIR, image_file)):
                        images_available += "  " + image_file + "\n"
                raise IIIFError(
                    code=404,
                    parameter="identifier",
                    text="Image resource '"
                    + iiif.identifier
                    + "' not found. Local image files available:\n"
                    + images_available,
                )
        else:
            raise IIIFError(
                code=404,
                parameter="identifier",
                text="Image resource '"
                + iiif.identifier
                + "' not found. Only local test images and http: URIs for images are supported.\n",
            )
        # Now know image is OK
        manipulator = IIIFRequestHandler.manipulator_class()
        # Stash manipulator object so we can cleanup after reading file
        self.manipulator = manipulator
        self.compliance_uri = manipulator.compliance_uri
        if iiif.info:
            # get size
            manipulator.srcfile = file
            manipulator.do_first()
            # most of info.json comes from config, a few things
            # specific to image
            i = IIIFInfo()
            i.identifier = self.iiif.identifier
            i.width = manipulator.width
            i.height = manipulator.height
            import io

            return (io.StringIO(i.as_json()), "application/json")
        else:
            (outfile, mime_type) = manipulator.derive(file, iiif)
            return (open(outfile, "r"), mime_type)

# 需要导入模块: from iiif.info import IIIFInfo [as 别名]
# 或者: from iiif.info.IIIFInfo import identifier [as 别名]
 def image_information_response(self):
     """Parse image information request and create response."""
     dr = degraded_request(self.identifier)
     if (dr):
         self.logger.info("image_information: degraded %s -> %s" % (self.identifier,dr))
         self.degraded = self.identifier
         self.identifier = dr
     else:
         self.logger.info("image_information: %s" % (self.identifier))
     # get size
     self.manipulator.srcfile=self.file
     self.manipulator.do_first()
     # most of info.json comes from config, a few things specific to image
     info = { 'tile_height': self.config.tile_height,
              'tile_width': self.config.tile_width,
              'scale_factors' : self.config.scale_factors
            }
     i = IIIFInfo(conf=info,api_version=self.api_version)
     i.server_and_prefix = self.server_and_prefix
     i.identifier = self.iiif.identifier
     i.width = self.manipulator.width
     i.height = self.manipulator.height
     if (self.api_version>='2.0'):
         i.qualities = [ "default", "color", "gray" ] #FIXME - should come from manipulator
     else:
         i.qualities = [ "native", "color", "gray" ] #FIXME - should come from manipulator
     i.formats = [ "jpg", "png" ] #FIXME - should come from manipulator
     if (self.auth):
         self.auth.add_services(i)
     return self.make_response(i.as_json(),content_type=self.json_mime_type)

# 需要导入模块: from iiif.info import IIIFInfo [as 别名]
# 或者: from iiif.info.IIIFInfo import identifier [as 别名]
    def test02_id(self):
        """Test identifier handling."""
        i = IIIFInfo()
        # setter
        i.id = ""
        self.assertEqual(i.server_and_prefix, "")
        self.assertEqual(i.identifier, "")
        i.id = "a"
        self.assertEqual(i.server_and_prefix, "")
        self.assertEqual(i.identifier, "a")
        i.id = "a/b"
        self.assertEqual(i.server_and_prefix, "a")
        self.assertEqual(i.identifier, "b")
        i.id = "a/b/c"
        self.assertEqual(i.server_and_prefix, "a/b")
        self.assertEqual(i.identifier, "c")
        i.id = "a//b"
        self.assertEqual(i.server_and_prefix, "a/")
        self.assertEqual(i.identifier, "b")
        i.id = "/d"
        self.assertEqual(i.server_and_prefix, "")
        self.assertEqual(i.identifier, "d")

        def xx(value):  # FIXME - better way to test setter?
            i.id = value

        self.assertRaises(AttributeError, xx, None)
        self.assertRaises(AttributeError, xx, 123)
        # property
        i.server_and_prefix = ""
        i.identifier = ""
        self.assertEqual(i.id, "")
        i.identifier = "abc"
        self.assertEqual(i.id, "abc")
        i.server_and_prefix = "def"
        self.assertEqual(i.id, "def/abc")
        i.identifier = ""
        self.assertEqual(i.id, "def/")

# 需要导入模块: from iiif.info import IIIFInfo [as 别名]
# 或者: from iiif.info.IIIFInfo import identifier [as 别名]
    def test02_id(self):
        """Test identifier handling."""
        i = IIIFInfo()
        # setter
        i.id = ''
        self.assertEqual(i.server_and_prefix, '')
        self.assertEqual(i.identifier, '')
        i.id = 'a'
        self.assertEqual(i.server_and_prefix, '')
        self.assertEqual(i.identifier, 'a')
        i.id = 'a/b'
        self.assertEqual(i.server_and_prefix, 'a')
        self.assertEqual(i.identifier, 'b')
        i.id = 'a/b/c'
        self.assertEqual(i.server_and_prefix, 'a/b')
        self.assertEqual(i.identifier, 'c')
        i.id = 'a//b'
        self.assertEqual(i.server_and_prefix, 'a/')
        self.assertEqual(i.identifier, 'b')
        i.id = '/d'
        self.assertEqual(i.server_and_prefix, '')
        self.assertEqual(i.identifier, 'd')

        def xx(value):  # FIXME - better way to test setter?
            i.id = value
        self.assertRaises(AttributeError, xx, None)
        self.assertRaises(AttributeError, xx, 123)
        # property
        i.server_and_prefix = ''
        i.identifier = ''
        self.assertEqual(i.id, '')
        i.identifier = 'abc'
        self.assertEqual(i.id, 'abc')
        i.server_and_prefix = 'def'
        self.assertEqual(i.id, 'def/abc')
        i.identifier = ''
        self.assertEqual(i.id, 'def/')

# 需要导入模块: from iiif.info import IIIFInfo [as 别名]
# 或者: from iiif.info.IIIFInfo import identifier [as 别名]
 def image_information_response(self):
     """Parse image information request and create response."""
     dr = degraded_request(self.identifier)
     if dr:
         self.logger.info("image_information: degraded %s -> %s" % (self.identifier, dr))
         self.degraded = self.identifier
         self.identifier = dr
     else:
         self.logger.info("image_information: %s" % (self.identifier))
     # get size
     self.manipulator.srcfile = self.file
     self.manipulator.do_first()
     # most of info.json comes from config, a few things specific to image
     info = {
         "tile_height": self.config.tile_height,
         "tile_width": self.config.tile_width,
         "scale_factors": self.config.scale_factors,
     }
     # calculate scale factors if not hard-coded
     if "auto" in self.config.scale_factors:
         info["scale_factors"] = self.manipulator.scale_factors(self.config.tile_width, self.config.tile_height)
     i = IIIFInfo(conf=info, api_version=self.api_version)
     i.server_and_prefix = self.server_and_prefix
     i.identifier = self.iiif.identifier
     i.width = self.manipulator.width
     i.height = self.manipulator.height
     if self.api_version >= "2.0":
         # FIXME - should come from manipulator
         i.qualities = ["default", "color", "gray"]
     else:
         # FIXME - should come from manipulator
         i.qualities = ["native", "color", "gray"]
     i.formats = ["jpg", "png"]  # FIXME - should come from manipulator
     if self.auth:
         self.auth.add_services(i)
     return self.make_response(i.as_json(), headers={"Content-Type": self.json_mime_type})

# 需要导入模块: from iiif.info import IIIFInfo [as 别名]
# 或者: from iiif.info.IIIFInfo import identifier [as 别名]
    def do_GET_body(self):
        iiif=self.iiif
        if (len(self.path)>1024):
            raise IIIFError(code=414,
                            text="URI Too Long: Max 1024 chars, got %d\n" % len(self.path))
        #print "GET " + self.path
        try:
            iiif.parse_url(self.path)
        except IIIFRequestBaseURI as e:
            info_uri = self.server_and_prefix + '/' + urllib.quote(self.iiif.identifier) + '/info.json'
            raise IIIFError(code=303, 
                            headers={'Location': info_uri})
        except IIIFError as e:
            # Pass through
            raise e
        except Exception as e:
            # Something completely unexpected => 500
            raise IIIFError(code=500,
                            text="Internal Server Error: unexpected exception parsing request (" + str(e) + ")")
        # URL path parsed OK, now determine how to handle request
        if (re.match('[\w\.\-]+$',iiif.identifier)):
            file = os.path.join(IIIFRequestHandler.IMAGE_DIR,iiif.identifier)
            if (not os.path.isfile(file)):
                images_available=""
                for image_file in os.listdir(IIIFRequestHandler.IMAGE_DIR):
                    if (os.path.isfile(os.path.join(IIIFRequestHandler.IMAGE_DIR,image_file))):
                        images_available += "  "+image_file+"\n"
                raise IIIFError(code=404,parameter="identifier",
                                text="Image resource '"+iiif.identifier+"' not found. Local image files available:\n" + images_available)
        else:
            raise IIIFError(code=404,parameter="identifier",
                            text="Image resource '"+iiif.identifier+"' not found. Only local test images and http: URIs for images are supported.\n")
        # 
        self.compliance_level=self.manipulator.complianceLevel

        # Do we have auth?
        if (self.auth_type == 'basic'):
            auth_map = parse_authorization_header(self.headers.get('Authorization',''))
            if (auth_map and auth_map['type']=='basic' and
                auth_map['username']+':'+auth_map['password']==IIIFRequestHandler.USER_PASS):
                # authz, continue
                pass
            else:
                # failed, send 401 with null image info, no service link for auth as
                # basic auth is all done via the WWW-Authenticate header
                i = IIIFInfo(api_version=self.api_version)
                i.identifier = 'null'
                i.width = 0
                i.height = 0
                return self.send_json_response(json=i.as_json(),status=401)

        if (self.iiif.info):
            # get size
            self.manipulator.srcfile=file
            self.manipulator.do_first()
            # most of info.json comes from config, a few things specific to image
            i = IIIFInfo(conf=IIIFRequestHandler.INFO,api_version=self.api_version)
            i.server_and_prefix = self.server_and_prefix
            i.identifier = self.iiif.identifier
            i.width = self.manipulator.width
            i.height = self.manipulator.height 
            i.qualities = [ "native", "color" ] #FIXME - should come from manipulator
            i.formats = [ "jpg", "png" ] #FIXME - should come from manipulator
            return self.send_json_response(i.as_json(),200)
        else:
            if (self.api_version<'2.0' and
                self.iiif.format is None and
                'Accept' in self.headers):
                # In 1.0 and 1.1 conneg was specified as an alternative to format, see:
                # http://iiif.io/api/image/1.0/#format
                # http://iiif.io/api/image/1.1/#parameters-format
                formats = { 'image/jpeg': 'jpg', 'image/tiff': 'tif',
                            'image/png': 'png', 'image/gif': 'gif',
                            'image/jp2': 'jps', 'application/pdf': 'pdf' }
                accept = do_conneg( self.headers['Accept'], formats.keys() )
                # Ignore Accept header if not recognized, should this be an error instead?
                if (accept in formats):
                    self.iiif.format = formats[accept]
            (outfile,mime_type)=self.manipulator.derive(file,iiif)
            return self.send_good_response(open(outfile,'r'),mime_type)

# 需要导入模块: from iiif.info import IIIFInfo [as 别名]
# 或者: from iiif.info.IIIFInfo import identifier [as 别名]
    def do_GET(self):
        """Implement the HTTP GET method

        The bulk of this code is wrapped in a big try block and anywhere
        within the code may raise an IIIFError which then results in an
        IIIF error response (section 5 of spec).
        """
        self.compliance_level=None
        # We take prefix to see whe implementation to use, / is special info
        if (self.path == '/'):
            return self.send_top_level_index_page()
        
        # Test code...
        m = re.match(r'/response_test/(\d\d\d)$', self.path)
        if (m):
            status=int(m.group(1))
            # WHAT DOES NULL info.json look like?
            # https://github.com/IIIF/auth/issues/2
            self.api_version='2.0'
            i = IIIFInfo(api_version=self.api_version)
            i.identifier = 'abc'
            i.width = 0
            i.height = 0
            i.service = { '@context': 'http://example.org/auth_context.json',
                          '@id': "http://example.com/authn_here",
                          'label': "Authenticate here" }
            return self.send_json_response(json=i.as_json(),status=status)

        # Is this a request for a prefix index page?
        m = re.match(r'/([\w\._]+)$', self.path)
        if (m and m.group(1) in IIIFRequestHandler.MANIPULATORS):
            return self.send_prefix_index_page(m.group(1))

        # Is this a request for a test page?
        m = re.match(r'/([\w\._]+)$', self.path)
        if (m):
            page_path = os.path.join(IIIFRequestHandler.PAGES_DIR,m.group(1))
            if (os.path.isfile(page_path)):
                return self.send_html_file(page_path)

        # Now assume we have an iiif request
        m = re.match(r'/([\w\._]+)/(.*)$', self.path)
        if (m):
            self.prefix = m.group(1)
            self.path = m.group(2)
            if (self.prefix in IIIFRequestHandler.MANIPULATORS):
                self.api_version = IIIFRequestHandler.MANIPULATORS[self.prefix]['api_version']
                self.iiif = IIIFRequest(baseurl='/'+self.prefix+'/',api_version=self.api_version)
                self.manipulator = IIIFRequestHandler.MANIPULATORS[self.prefix]['klass'](api_version=self.api_version)
                self.auth_type = IIIFRequestHandler.MANIPULATORS[self.prefix]['auth_type']
            else:
                # 404 - unrecognized prefix
                self.send_404_response("Not Found - prefix /%s/ is not known" % (self.prefix))
                return
        else:
            # 404 - unrecognized path structure
            self.send_404_response("Not Found - path structure not recognized")
            return
        try:
            self.do_GET_body()
        except IIIFError as e:
            e.text += " Request parameters: "+str(self.iiif)
            self.write_error_response(e)
        except Exception as ue:
            # Anything else becomes a 500 Internal Server Error
            sys.stderr.write(str(ue)+"\n")
            self.write_error_response(IIIFError(code=500,text="Something went wrong... %s.\n"%(str(ue))))