update random walk so it can be used with multiple users

.travis.yml

@@ -8,31 +8,26 @@ cache:
 addons:
   chrome:
     stable
+  apt:
+    packages:
+      - libenchant-dev
 
 python:
   # We don't actually use the Travis Python, but this keeps it organized.
   - "3.5"
   - "3.6"
 
-before_script:
-  - "export DISPLAY=:99.0"
-  - "sh -e /etc/init.d/xvfb start"
-  - sleep 3 # give xvfb some time to start
-
 before_install:
   - docker pull lukasmartinelli/hadolint
+  - nvm install node
+  - curl -o- -L https://yarnpkg.com/install.sh | bash
+  - export PATH="$HOME/.yarn/bin:$PATH"
 
 install:
-  - curl -sS https://dl.yarnpkg.com/debian/pubkey.gpg | sudo apt-key add -
-  - echo "deb https://dl.yarnpkg.com/debian/ stable main" | sudo tee /etc/apt/sources.list.d/yarn.list
-  - docker run --rm -i lukasmartinelli/hadolint hadolint --ignore DL3008 --ignore DL3013 - < Dockerfile
-  - google-chrome --version
   - google-chrome-stable --version
-  - sudo apt-get update 
-  - sudo apt-get install xvfb libenchant1c2a yarn
+  - node --version
   - yarn --version
   - yarn global add eslint babel-eslint eslint-plugin-react
-  - make eslint
   - export PATH="$HOME/miniconda/bin:$PATH"
   - if ! hash conda 2>/dev/null; then
     wget https://repo.continuum.io/miniconda/Miniconda3-latest-Linux-x86_64.sh -O miniconda.sh;
@@ -53,11 +48,13 @@ install:
   - wget https://chromedriver.storage.googleapis.com/2.40/chromedriver_linux64.zip
   - unzip chromedriver_linux64.zip
   - chmod +x chromedriver
-  - sudo mv -f chromedriver /usr/local/bin
+  - mv -f chromedriver $HOME/.yarn/bin
   - wget https://github.com/errata-ai/vale/releases/download/v0.11.2/vale_0.11.2_Linux_64-bit.tar.gz
   - tar xvf vale_0.11.2_Linux_64-bit.tar.gz
 
 script:
+  - docker run --rm -i lukasmartinelli/hadolint hadolint --ignore DL3008 --ignore DL3013 - < Dockerfile
+  - make eslint
   - cd doc && make spelling && cd ..
   - ./vale --glob='*.rst' doc
   - make checkdocs

bowtie/_app.py

@@ -1,4 +1,3 @@
-# -*- coding: utf-8 -*-
 """Defines the App class."""
 
 from typing import (  # pylint: disable=unused-import

bowtie/_cache.py

@@ -1,4 +1,3 @@
-# -*- coding: utf-8 -*-
 """Bowtie cache functions."""
 
 import flask

bowtie/_command.py

@@ -1,4 +1,3 @@
-# -*- coding: utf-8 -*-
 """
 Decorates a function for Bowtie.
 

bowtie/_component.py

@@ -1,4 +1,3 @@
-# -*- coding: utf-8 -*-
 """Bowtie abstract component classes.
 
 All visual and control components inherit these.

bowtie/_magic.py

@@ -1,4 +1,3 @@
-# -*- coding: utf-8 -*-
 """Jupyter Integration."""
 
 import ast

bowtie/_progress.py

@@ -1,4 +1,3 @@
-# -*- coding: utf-8 -*-
 """Progress component.
 
 Not for direct use by user.

bowtie/_typing.py

@@ -1,4 +1,3 @@
-# -*- coding: utf-8 -*-
 """Bowtie types."""
 
 from typing import Any, Union, Mapping, List

bowtie/_utils.py

@@ -1,4 +1,3 @@
-# -*- coding: utf-8 -*-
 """Utility functions."""
 
 import inspect

bowtie/control.py

@@ -1,4 +1,3 @@
-# -*- coding: utf-8 -*-
 """Control components."""
 
 from typing import Callable, Optional, List, Union, Tuple

bowtie/exceptions.py

@@ -1,4 +1,3 @@
-# -*- coding: utf-8 -*-
 """Bowtie exceptions."""
 
 

bowtie/feedback/message.py

@@ -1,4 +1,3 @@
-# -*- coding: utf-8 -*-
 """Messages provide a temporary message that will disappear after a few seconds.
 
 Reference

bowtie/html.py

@@ -1,4 +1,3 @@
-# -*- coding: utf-8 -*-
 """Static HTML Components."""
 
 from flask import Markup

bowtie/pager.py

@@ -1,4 +1,3 @@
-# -*- coding: utf-8 -*-
 """Bowtie pager."""
 
 import flask

bowtie/templates/server.py.j2

@@ -1,5 +1,4 @@
 #!/usr/bin/env python
-# -*- coding: utf-8 -*-
 
 import os
 import sys

bowtie/tests/conftest.py

@@ -1,5 +1,4 @@
 #!/usr/bin/env python
-# -*- coding: utf-8 -*-
 """Pytest configuration."""
 
 from sys import platform

bowtie/tests/test_cache.py

@@ -1,4 +1,3 @@
-# -*- coding: utf-8 -*-
 """Test markdown and text widgets."""
 
 import time

bowtie/tests/test_command.py

@@ -1,5 +1,4 @@
 #!/usr/bin/env python
-# -*- coding: utf-8 -*-
 """Command testing."""
 
 from bowtie._command import numargs

bowtie/tests/test_compile.py

@@ -1,5 +1,4 @@
 #!/usr/bin/env python
-# -*- coding: utf-8 -*-
 """Compile tests."""
 
 from bowtie import App

bowtie/tests/test_components.py

@@ -1,5 +1,4 @@
 #!/usr/bin/env python
-# -*- coding: utf-8 -*-
 """Test all components for instatiation issues."""
 
 import os

bowtie/tests/test_editor.py

@@ -1,4 +1,3 @@
-# -*- coding: utf-8 -*-
 """Test markdown and text widgets."""
 
 import os

bowtie/tests/test_layout.py

@@ -1,4 +1,3 @@
-# -*- coding: utf-8 -*-
 """Test layout functionality."""
 # pylint: disable=redefined-outer-name,protected-access
 

bowtie/tests/test_multiple.py

@@ -1,5 +1,4 @@
 #!/usr/bin/env python
-# -*- coding: utf-8 -*-
 # pylint: disable=unused-argument,invalid-name
 """Multiple views testing."""
 

bowtie/tests/test_plotly.py

@@ -1,5 +1,4 @@
 #!/usr/bin/env python
-# -*- coding: utf-8 -*-
 """Plotly testing."""
 
 import os

bowtie/tests/test_serialize.py

@@ -1,5 +1,4 @@
 #!/usr/bin/env python
-# -*- coding: utf-8 -*-
 """Serialization testing."""
 
 import numpy as np

bowtie/tests/test_tags.py

@@ -1,4 +1,3 @@
-# -*- coding: utf-8 -*-
 """Test tag instantation for components."""
 
 from bowtie.html import Markdown

bowtie/tests/test_utils.py

@@ -1,5 +1,4 @@
 #!/usr/bin/env python
-# -*- coding: utf-8 -*-
 """Compat testing."""
 
 from bowtie._utils import func_name

bowtie/tests/utils.py

@@ -1,4 +1,3 @@
-# -*- coding: utf-8 -*-
 """Utility functions for testing only."""
 
 import os

bowtie/visual.py

@@ -1,4 +1,3 @@
-# -*- coding: utf-8 -*-
 """Visual components."""
 
 from typing import Dict, Optional, List, Union, Tuple

doc/spelling_wordlist.txt

@@ -14,16 +14,20 @@ app
 backend
 conda
 config
+decrement
 draggable
 dropdown
 frontend
 func
+getter
+getters
 iframe
 indices
 io
 matplotlib
 metaclass
 metaclasses
+minified
 minmax
 npm
 popup

examples/random_walk.py

@@ -1,29 +1,35 @@
 #!/usr/bin/env python
-# -*- coding: utf-8 -*-
-"""
-Example Bowtie App.
-"""
+"""Example Bowtie App."""
 
 from bowtie.control import Nouislider
 from bowtie.visual import Plotly
-from bowtie import command
+from bowtie import Pager, cache, command
 
 import numpy as np
 from numpy import random as rng
 import plotlywrapper as pw
 
 
-sigma = Nouislider(caption='Sigma', start=1, minimum=0.1, maximum=50)
+pager = Pager()
+sigma = Nouislider(caption='Sigma', start=0., minimum=0.1, maximum=50.)
 mainplot = Plotly()
 
-data = np.zeros(100).tolist()
 
+def initialize():
+    cache.save('data', [0.] * 100)
 
-def walk():
+
+def upgraph():
+    data = cache.load('data')
     value = float(sigma.get())
     data.pop(0)
     data.append(value * rng.randn() + data[-1])
     mainplot.do_all(pw.line(data).to_json())
+    cache.save('data', data)
+
+
+def walk():
+    pager.notify()
 
 
 @command
@@ -33,4 +39,5 @@ def main():
     app.add_sidebar(sigma)
     app.add(mainplot)
     app.schedule(0.1, walk)
+    app.respond(pager, upgraph)
     return app