Add more code examples.

example-code/program.py

@@ -0,0 +1,34 @@
+import typing
+
+
+def passthrough(method: typing.Callable) -> typing.Callable:
+    return method
+
+
+class ExampleClass:
+    """This class has a docstring."""
+
+    def __init__(self, item):
+        self._item = item
+
+    @passthrough
+    def print_item(self):
+        print(self._item)
+
+    def try_except(self):
+        try:
+            frozenset({self._item})
+        except Exception as ex:
+            print(f'Format string: conversion error: {ex}')
+        finally:
+            pass
+
+
+def main():
+    example = ExampleClass([1, 2, 3])
+    example.print_item()
+    example.try_except()
+
+
+if __name__ == '__main__':
+    main()

example-code/script.sh

@@ -0,0 +1,13 @@
+#!/bin/bash
+
+set -e
+
+PYTHON_PROGRAM="program.py"
+# Prepending `pwd` doesn't do much, it is here for demonstrating highlighting
+# of backticks, and a comment.
+input_file=`pwd`/$PYTHON_PROGRAM
+
+cat $input_file | while read line
+do
+   echo "| Python | $line"
+done

tox.ini

@@ -21,5 +21,10 @@ deps =
     Pillow
 commands =
     # TODO(vytas): Make font name (auto-) configurable, not hardcoded.
-    pygmentize example-code/document.md -O 'font_name=SourceCodePro-Medium,font_size=24,style=falconry-dark' -o examples-dark/document.png
-    pygmentize example-code/document.md -O 'font_name=SourceCodePro-Medium,font_size=24,style=falconry-light' -o examples-light/document.png
+    pygmentize example-code/document.md -O 'font_name=Ubuntu Mono,font_size=24,style=falconry-dark' -o examples-dark/document.png
+    pygmentize example-code/program.py -O 'font_name=Ubuntu Mono,font_size=24,style=falconry-dark' -o examples-dark/program.png
+    pygmentize example-code/script.sh -O 'font_name=Ubuntu Mono,font_size=24,style=falconry-dark' -o examples-dark/script.png
+
+    pygmentize example-code/document.md -O 'font_name=Ubuntu Mono,font_size=24,style=falconry-light' -o examples-light/document.png
+    pygmentize example-code/program.py -O 'font_name=Ubuntu Mono,font_size=24,style=falconry-light' -o examples-light/program.png
+    pygmentize example-code/script.sh -O 'font_name=Ubuntu Mono,font_size=24,style=falconry-light' -o examples-light/script.png