[refactor]migrate serialize_env_list_wschema and lazy_read

Author: shouldsee

py/visdom/__init__.py

@@ -5,6 +5,7 @@
 #
 # This source code is licensed under the license found in the
 # LICENSE file in the root directory of this source tree.
+# __version__ = 'test'
 
 import os.path
 import requests
@@ -405,7 +406,7 @@ def __init__(
             'base_url should not end with / as it is appended automatically'
 
         self.ipv6 = ipv6
-        self.env = env      
+        self.env = env
         self.env_list={f'{env}'}      # default env
         self.send = send
         self.event_handlers = {}  # Haven't registered any events
@@ -801,7 +802,7 @@ def get_env_list(self):
         This function returns a list of all of the env names that are currently
         in the server.
         """
-        if self.offline:        
+        if self.offline:
             return list(self.env_list)
         else:
             return json.loads(self._send({}, endpoint='env_state', quiet=True))
@@ -1694,7 +1695,7 @@ def line(self, Y, X=None, win=None, env=None, opts=None, update=None,
             assert X.ndim == 1 or X.ndim == 2, 'X should have 1 or 2 dim'
         else:
             X = np.linspace(0, 1, Y.shape[0])
-     
+
         if Y.ndim == 2 and X.ndim == 1:
             X = np.tile(X, (Y.shape[1], 1)).transpose()
 
@@ -2180,7 +2181,7 @@ def sunburst(self, labels, parents, values=None, win=None, env=None, opts=None):
         line_width=opts.get("marker_width")
 
         assert len(parents.tolist())==len(labels.tolist()), "length of parents and labels should be equal"
-        
+
         data_dict=[{
                 'labels': labels.tolist(),
                 "parents":parents.tolist(),
@@ -2196,7 +2197,7 @@ def sunburst(self, labels, parents, values=None, win=None, env=None, opts=None):
 
             data_dict[0]['values']=values.tolist()
 
-        data=data_dict          
+        data=data_dict
         return self._send({
             'data': data,
             'win': win,
@@ -2397,7 +2398,7 @@ def graph(self, edges, edgeLabels = None, nodeLabels = None, opts=dict(), env=No
         """
         This function draws interactive network graphs. It takes list of edges as one of the arguments.
         The user can also provide custom edge Labels and node Labels in edgeLabels and nodeLabels respectively.
-        Along with that we have different parameters in opts for making it more user friendly. 
+        Along with that we have different parameters in opts for making it more user friendly.
 
         Args:
             edges : list, required
@@ -2419,7 +2420,7 @@ def graph(self, edges, edgeLabels = None, nodeLabels = None, opts=dict(), env=No
         except:
             raise RuntimeError(
                 "networkx must be installed to plot Graph figures")
-        
+
         G = nx.Graph()
         G.add_edges_from(edges)
         node_data = list(G.nodes())
@@ -2434,7 +2435,7 @@ def graph(self, edges, edgeLabels = None, nodeLabels = None, opts=dict(), env=No
         if nodeLabels is not None:
             assert len(nodeLabels) == len(node_data),\
             "length of nodeLabels does not match with the length of nodes {len1} != {len2}".format(len1 = len(nodeLabels), len2 = len(node_data))
-        
+
         for i in range(len(node_data)):
             if i != node_data[i]:
                 raise RuntimeError("The nodes should be numbered from 0 to n-1 for n nodes! {} node is missing!".format(i))
@@ -2455,15 +2456,15 @@ def graph(self, edges, edgeLabels = None, nodeLabels = None, opts=dict(), env=No
             edge["target"] = int(link_data[i][1])
             edge["label"] = str(edgeLabels[i]) if edgeLabels is not None else str(link_data[i][0])+"-"+str(link_data[i][1])
             edges.append(edge)
-        
+
         for i in range(len(node_data)):
             node = {}
             node["name"] = int(node_data[i])
             node["label"] = str(nodeLabels[i]) if nodeLabels is not None else str(node_data[i])
             if opts['scheme'] == 'different':
                 node["club"] = int(i)
             nodes.append(node)
-       
+
 
         data = [{
             'content': {"nodes": nodes, "edges": edges},