Better handling of matplotlib rc settings.

replot/__init__.py

@@ -2,6 +2,8 @@
 The :mod:`replot` module is a (sane) Python plotting module, abstracting on top
 of Matplotlib.
 """
+import shutil
+
 import matplotlib.pyplot as plt
 import numpy as np
 import seaborn.apionly as sns
@@ -17,9 +19,23 @@ DEFAULT_X_INTERVAL = np.linspace(-10, 10,
                                  DEFAULT_NB_SAMPLES)
 
 
-# TODO: Remove it, this is interfering with matplotlib
+def mpl_custom_rc_context():
-plt.rcParams['figure.figsize'] = (10.0, 8.0)  # Larger figures by default
+    """
-plt.rcParams['text.usetex'] = True  # Use LaTeX rendering
+    Overload ``matplotlib.rcParams`` to enable advanced features if \
+            available. In particular, use LaTeX if available.
+
+    :returns: A ``matplotlib.rc_context`` object to use in a ``with`` \
+            statement.
+    """
+    custom_rc = {}
+    # Add LaTeX in rc if available
+    if(shutil.which("latex") is not None and
+       shutil.which("gs") is not None and
+       shutil.which("dvipng") is not None):
+        # LateX dependencies are all available
+        custom_rc["text.usetex"] = True
+        custom_rc["text.latex.unicode"] = True
+    return plt.rc_context(rc=custom_rc)
 
 
 class Figure():
@@ -69,17 +85,20 @@ class Figure():
         """
         Actually render and show the :class:`Figure` object.
         """
+        # Use custom matplotlib context
+        with mpl_custom_rc_context():
             # Tweak matplotlib to use seaborn
             sns.set()
             # Plot using specified color palette
-        with sns.color_palette(palette=self.palette, n_colors=self.max_colors):
+            with sns.color_palette(palette=self.palette,
+                                   n_colors=self.max_colors):
                 # Create figure
                 figure, axes = plt.subplots()
                 # Add plots
                 for plot_ in self.plots:
                     tmp_plots = axes.plot(*(plot_[0]), **(plot_[1]))
-                # Do not clip line at the axes boundaries to prevent extremas
+                    # Do not clip line at the axes boundaries to prevent
-                # from being cropped.
+                    # extremas from being cropped.
                     for tmp_plot in tmp_plots:
                         tmp_plot.set_clip_on(False)
                 # Set properties
@@ -89,8 +108,8 @@ class Figure():
                 self._legend(axes)
                 # Draw figure
                 figure.show()
-        # Do not forget to restore matplotlib state, in order not to interfere
+            # Do not forget to restore matplotlib state, in order not to
-        # with it.
+            # interfere with it.
             sns.reset_orig()
 
     def plot(self, *args, **kwargs):

requirements.txt

@@ -1,2 +1,3 @@
 matplotlib>=1.5.1
+numpy>=1.10.4
 seaborn>=0.7.0