matplotlib
diff --git a/‎azure-pipelines.yml
Copy file name to clipboardExpand all lines: azure-pipelines.yml
+32Lines changed: 32 additions & 0 deletions b/‎azure-pipelines.yml
Copy file name to clipboardExpand all lines: azure-pipelines.yml
+32Lines changed: 32 additions & 0 deletions
@@ -78,6 +78,38 @@ stages:
               python -m pip install -r requirements/testing/all.txt -r requirements/testing/extra.txt
             displayName: 'Install dependencies with pip'
 
+          - bash: |
+              if [[ "$PYTHON_VERSION" != 'Pre' ]]; then
+                # GUI toolkits are pip-installable only for some versions of Python
+                # so don't fail if we can't install them.  Make it easier to check
+                # whether the install was successful by trying to import the
+                # toolkit (sometimes, the install appears to be successful but
+                # shared libraries cannot be loaded at runtime, so an actual import
+                # is a better check).
+                python -m pip install --upgrade pycairo cairocffi>=0.8
+                python -m pip install --upgrade 'PyGObject${{ matrix.pygobject-ver }}' &&
+                  (
+                    python -c 'import gi; gi.require_version("Gtk", "4.0"); from gi.repository import Gtk' &&
+                    echo 'PyGObject 4 is available' || echo 'PyGObject 4 is not available'
+                  ) && (
+                    python -c 'import gi; gi.require_version("Gtk", "3.0"); from gi.repository import Gtk' &&
+                    echo 'PyGObject 3 is available' || echo 'PyGObject 3 is not available'
+                  )
+                python -m pip install --upgrade pyqt5 &&
+                  python -c 'import PyQt5.QtCore' &&
+                  echo 'PyQt5 is available' ||
+                  echo 'PyQt5 is not available'
+                python -m pip install --upgrade pyside2 &&
+                  python -c 'import PySide2.QtCore' &&
+                  echo 'PySide2 is available' ||
+                  echo 'PySide2 is not available'
+                python -m pip install --upgrade --only-binary :all: wxPython &&
+                  python -c 'import wx' &&
+                  echo 'wxPython is available' ||
+                  echo 'wxPython is not available'
+              fi
+            displayName: 'Install GUI dependencies with pip'
+
           - bash: |
               CONFIG='--config-settings=setup-args=--vsenv'
               CONFIG="$CONFIG --config-settings=setup-args=-Dcpp_link_args=-PROFILE"