Merge pull request #245 from paxtonfitzpatrick/master

full control over plotting backend, non-animated interactive plots, and plotting-related bug fixes

hypertools/__init__.py

@@ -1,6 +1,7 @@
 #!/usr/bin/env python
 from .config import __version__
 from .plot.plot import plot
+from .plot.backend import set_interactive_backend
 from .tools.load import load
 from .tools.analyze import analyze
 from .tools.reduce import reduce

hypertools/_shared/exceptions.py

@@ -0,0 +1,8 @@
+class HypertoolsError(Exception):
+    pass
+
+
+class HypertoolsBackendError(HypertoolsError):
+    def __init__(self, message):
+        super().__init__(message)
+        self.message = message

hypertools/plot/__init__.py

@@ -2,9 +2,7 @@
 import warnings
 import matplotlib as mpl
 
-try:
-    with warnings.catch_warnings():
-        warnings.simplefilter("ignore")
-        mpl.use('TkAgg')
-except:
-    warnings.warn('Could not switch backend to TkAgg.  This may impact performance of the plotting functions.')
+from .backend import _init_backend
+
+
+_init_backend()