Merge pull request #343 from plotly/fix-assets-x2

Only create an assets blueprint if it's not registered.
plotly · Aug 27, 2018 · 2c1d39f · 2c1d39f
2 parents 8d1c9ce + c51f2c3
commit 2c1d39f
Show file tree

Hide file tree

Showing 3 changed files with 10 additions and 5 deletions.
diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -1,3 +1,7 @@
+## 0.26.2 - 2018-08-26
+## Fixed
+- Only create the assets blueprint once for app that provide the same flask instance to multiple dash instance. [#343](https://github.com/plotly/dash/pull/343)
+
 ## 0.26.1 - 2018-08-26
 ## Fixed
 - Fix bug in `_validate_layout` which would not let a user set `app.layout` to be a function that returns a layout [(fixes #334)](https://github.com/plotly/dash/issues/334). [#336](https://github.com/plotly/dash/pull/336)

diff --git a/dash/dash.py b/dash/dash.py
@@ -104,10 +104,11 @@ def __init__(
         # allow users to supply their own flask server
         self.server = server or Flask(name, static_folder=static_folder)
 
-        self.server.register_blueprint(
-            flask.Blueprint('assets', 'assets',
-                            static_folder=self._assets_folder,
-                            static_url_path=assets_url_path))
+        if 'assets' not in self.server.blueprints:
+            self.server.register_blueprint(
+                flask.Blueprint('assets', 'assets',
+                                static_folder=self._assets_folder,
+                                static_url_path=assets_url_path))
 
         env_configs = _configs.env_configs()
 

diff --git a/dash/version.py b/dash/version.py
@@ -1 +1 @@
-__version__ = '0.26.1'
+__version__ = '0.26.2'