Update to xeus 2.0

Author: SylvainCorlay

.appveyor.yml

@@ -33,7 +33,7 @@ install:
   - conda update -q conda
   - conda info -a
   # Install host dependencies
-  - conda install cppzmq xproperty xwidgets=0.24.1 -c conda-forge
+  - conda install cppzmq xproperty xwidgets=0.26 -c conda-forge
   # Install build dependencies
   - conda install cmake -c conda-forge
   - cmake -G "NMake Makefiles" -D CMAKE_INSTALL_PREFIX=%MINICONDA%\\LIBRARY -DDOWNLOAD_GTEST=ON .

.travis.yml

@@ -18,7 +18,7 @@ install:
     - conda config --set always_yes yes --set changeps1 no
     - conda update -q conda
     # Install host dependencies
-    - conda install cppzmq xproperty xwidgets=0.24.1 -c conda-forge
+    - conda install cppzmq xproperty xwidgets=0.26 -c conda-forge
     # Install build dependencies
     - conda install gtest cmake -c conda-forge
     - if [[ "$TRAVIS_OS_NAME" == "linux" ]]; then

CMakeLists.txt

@@ -60,10 +60,10 @@ message(STATUS "xwebrtc binary version: v${XWEBRTC_BINARY_VERSION}")
 # Dependencies
 # ============
 
-find_package(cppzmq 4.3.0 REQUIRED)
-find_package(xtl 0.6.8 REQUIRED)
-find_package(xeus 0.24.1 REQUIRED)
-find_package(xwidgets 0.23.0 REQUIRED)
+find_package(cppzmq 4.7.0 REQUIRED)
+find_package(xtl 0.7.2 REQUIRED)
+find_package(xeus 2.0.0 REQUIRED)
+find_package(xwidgets 0.26.0 REQUIRED)
 
 # Source files
 # ============

environment.yml

@@ -3,12 +3,12 @@ channels:
   - conda-forge
 dependencies:
   # Widgets 
-  - xwebrtc=0.6.0
-  - xwidgets=0.23.0
+  - xwebrtc=0.7.0
+  - xwidgets=0.26.0
   - widgetsnbextension >=3.0.0
-  - ipywebrtc=0.4.1
+  - ipywebrtc=0.6.0
   # Xtensor
-  - xtensor-io=0.9.0
+  - xtensor-io=0.12.9
   - xtensor-fftw=0.2.6
   # C++ kernel
-  - xeus-cling=0.10.0
+  - xeus-cling=0.13.0