add plotly version to data sent to server

Author: marthacryan

dash/dash-renderer/src/components/error/menu/VersionInfo.react.js

@@ -24,7 +24,8 @@ async function requestDashVersionInfo(config) {
         dash_version: currentDashVersion,
         dash_version_url: dashVersionUrl,
         python_version: pythonVersion,
-        ddk_version: ddkVersion
+        ddk_version: ddkVersion,
+        plotly_version: plotlyVersion
     } = config;
     const cachedVersionInfo = localStorage.getItem('cachedNewDashVersion');
     const cachedNewDashVersionLink = localStorage.getItem(
@@ -46,7 +47,8 @@ async function requestDashVersionInfo(config) {
             body: JSON.stringify({
                 dash_version: currentDashVersion,
                 python_version: pythonVersion,
-                ddk_version: ddkVersion
+                ddk_version: ddkVersion,
+                plotly_version: plotlyVersion
             }),
             headers: {
                 'Content-Type': 'application/json'

dash/dash.py

@@ -85,6 +85,14 @@
 except ImportError:
     pass
 
+plotly_version = None
+try:
+    import plotly
+
+    plotly_version = plotly.__version__
+except ImportError:
+    pass
+
 # Add explicit mapping for map files
 mimetypes.add_type("application/json", ".map", True)
 
@@ -780,6 +788,7 @@ def _config(self):
             "python_version": sys.version,
             "dash_version_url": DASH_VERSION_URL,
             "ddk_version": dash_design_kit_version,
+            "plotly_version": plotly_version,
         }
         if not self.config.serve_locally:
             config["plotlyjs_url"] = self._plotlyjs_url