code within 78 chars

build/conf.py

@@ -18,6 +18,17 @@ import os
 from recommonmark.parser import CommonMarkParser
 from recommonmark.transform import AutoStructify
 
+# Use footnote size for code block.
+from sphinx.highlighting import PygmentsBridge
+from pygments.formatters.latex import LatexFormatter
+
+class CustomLatexFormatter(LatexFormatter):
+    def __init__(self, **options):
+        super(CustomLatexFormatter, self).__init__(**options)
+        self.verboptions = r"formatcom=\footnotesize"
+
+PygmentsBridge.latex_formatter = CustomLatexFormatter
+
 
 # If extensions (or modules to document with autodoc) are in another directory,
 # add these directories to sys.path here. If the directory is relative to the
@@ -80,7 +91,7 @@ release = '0.6'
 #
 # This is also used if you do content translation via gettext catalogs.
 # Usually you set "language" from the command line for these cases.
-language = None
+language = zh_CN
 
 # There are two options for replacing |today|: either, you set today to some
 # non-false value, then it is used:
@@ -225,6 +236,7 @@ htmlhelp_basename = 'TheStraightDopedoc'
 
 # -- Options for LaTeX output ---------------------------------------------
 
+
 latex_elements = {
     # 'papersize' : 'a4paper',
     'utf8extra' : '',

chapter_optimization/optimization-intro.md

@@ -57,9 +57,9 @@ x = np.arange(-1.0, 2.0, 0.1)
 fig = plt.figure()
 subplt = fig.add_subplot(111)
 subplt.annotate('local minimum', xy=(-0.3, -0.25), xytext=(-0.77, -1.0),
-            arrowprops=dict(facecolor='black', shrink=0.05))
+                arrowprops=dict(facecolor='black', shrink=0.05))
 subplt.annotate('global minimum', xy=(1.1, -0.9), xytext=(0.6, 0.8),
-            arrowprops=dict(facecolor='black', shrink=0.05))
+                arrowprops=dict(facecolor='black', shrink=0.05))
 plt.plot(x, f(x))
 plt.xlabel('x')
 plt.ylabel('f(x)')
@@ -81,8 +81,8 @@ $$f(x) = x^3$$
 x = np.arange(-2.0, 2.0, 0.1)
 fig = plt.figure()
 subplt = fig.add_subplot(111)
-subplt.annotate('saddle point', xy=(0, -0.2), xytext=(-0.52, -5.0), 
-            arrowprops=dict(facecolor='black', shrink=0.05))
+subplt.annotate('saddle point', xy=(0, -0.2), xytext=(-0.52, -5.0),
+                arrowprops=dict(facecolor='black', shrink=0.05))
 plt.plot(x, x**3)
 plt.xlabel('x')
 plt.ylabel('f(x)')