Try again to make temporary fix for backend case-sensitivity

efiring · efiring · commit 1e7b473c5d51 · 2008-06-09T17:13:29.000Z
svn path=/trunk/matplotlib/; revision=5435
diff --git a/lib/matplotlib/__init__.py b/lib/matplotlib/__init__.py
@@ -772,7 +772,10 @@ def use(arg, warn=True):
         rcParams['cairo.format'] = validate_cairo_format(be_parts[1])
 
 def get_backend():
-    return rcParams['backend'].lower()
+    # Validation is needed because the rcParams entry might have
+    # been set directly rather than via "use()".
+    return validate_backend(rcParams['backend'])
+    #return rcParams['backend'].lower()
 
 def interactive(b):
     """
diff --git a/lib/matplotlib/backends/__init__.py b/lib/matplotlib/backends/__init__.py
@@ -1,19 +1,21 @@
 
 import matplotlib
 from matplotlib.rcsetup import interactive_bk
+from matplotlib.rcsetup import non_interactive_bk
+from matplotlib.rcsetup import all_backends
 from matplotlib.rcsetup import validate_backend
 
 __all__ = ['backend','show','draw_if_interactive',
            'new_figure_manager', 'backend_version']
 
-backend = matplotlib.get_backend()   # makes sure it is lower case
-validate_backend(backend)
+backend = matplotlib.get_backend() # validates, to match all_backends
 
 def pylab_setup():
     'return new_figure_manager, draw_if_interactive and show for pylab'
     # Import the requested backend into a generic module object
 
     backend_name = 'backend_'+backend
+    backend_name = backend_name.lower() # until we banish mixed case
     backend_mod = __import__('matplotlib.backends.'+backend_name,
                              globals(),locals(),[backend_name])
 
@@ -36,7 +38,7 @@ def show(): pass
 
     # Additional imports which only happen for certain backends.  This section
     # should probably disappear once all backends are uniform.
-    if backend in ['wx','wxagg']:
+    if backend.lower() in ['wx','wxagg']:
         Toolbar = backend_mod.Toolbar
         __all__.append('Toolbar')
 
diff --git a/lib/matplotlib/pyplot.py b/lib/matplotlib/pyplot.py
@@ -185,7 +185,7 @@ def figure(num=None, # autoincrement if None, else integer from 1-N
 
     figManager = _pylab_helpers.Gcf.get_fig_manager(num)
     if figManager is None:
-        if get_backend()=='PS':  dpi = 72
+        if get_backend().lower() == 'ps':  dpi = 72
 
         figManager = new_figure_manager(num, figsize=figsize,
                                              dpi=dpi,
