1 # Copyright 2022 highstreet technologies GmbH
3 # Licensed under the Apache License, Version 2.0 (the "License");
4 # you may not use this file except in compliance with the License.
5 # You may obtain a copy of the License at
7 # http://www.apache.org/licenses/LICENSE-2.0
9 # Unless required by applicable law or agreed to in writing, software
10 # distributed under the License is distributed on an "AS IS" BASIS,
11 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 # See the License for the specific language governing permissions and
13 # limitations under the License.
17 Provides functions to convert the Network into different formats
21 from lxml import etree
22 from model.python.tapi_common_context import TapiCommonContext
27 This class contains all functions converting the Network into different formats
29 __network: TapiCommonContext = None
32 def __init__(self, network: TapiCommonContext):
33 self.__network = network
37 def json(self) -> 'NetworkViewer':
39 Getter returns the class as json object
40 :return The class itsself, as it is json serializable
44 def show_as_json(self) -> dict:
46 Method printing the class in json format.
48 print(self.__network.json())
52 Method printing the network
56 def save(self, filename: str, running: bool):
58 Method saving the class content to a file in json format.
59 :param filename: A valid path to a file on the system.
60 :type filename: string
62 with open(filename, "w", encoding='utf-8') as json_file:
63 output = self.__network.json(running)
64 json.dump(output, json_file,
65 ensure_ascii=False, indent=2)
67 for key in ["Node", "Link"]:
68 print(key + "s:", len(output
69 ["tapi-common:context"]
70 ["tapi-topology:topology-context"]
71 ["topology"][0][key.lower()])
73 print("File '" + filename + "' saved!")
75 def readStylesFromFile(self) -> str:
77 Method reading the css styles from known file
78 return: content of the file as string
80 with open('view/svg.style.css') as styles:
81 content = styles.read()
84 def svg(self, filename: str):
86 Method saving the class content to a file in xml/svg format.
88 :param filename: A valid path to a file on the system.
89 :type filename: string
91 root = self.__network.svg(0, 0)
92 # not preferred see OAM-257
94 # etree.ProcessingInstruction("xml-stylesheet",
95 # 'href="svg.style.css" type="text/css"')
97 style = etree.Element("style")
98 style.text = self.readStylesFromFile()
99 root.getchildren()[0].addnext(style)
100 etree.ElementTree(root).write(filename,
102 xml_declaration=True,
104 '<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN"\n'
105 ' "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">'
109 print("File '" + filename + "' saved!")