enh(python) Added python-repl for Python REPL sessions (#2413)

CHANGES.md

@@ -2,7 +2,7 @@
 
 New languages:
 
-- none.
+- enh(python) Added `python-repl` for Python REPL sessions
 
 New themes:
 

src/languages/python-repl.js

@@ -0,0 +1,29 @@
+/*
+Language: Python REPL
+Requires: python.js
+Author: Josh Goebel <hello@joshgoebel.com>
+Category: common
+*/
+
+export default function(hljs) {
+  return {
+    aliases: ['pycon'],
+    contains: [
+      {
+        className: 'meta',
+        starts: {
+          // a space separates the REPL prefix from the actual code
+          // this is purely for cleaner HTML output
+          end: / |$/,
+          starts: {
+            end: '$', subLanguage: 'python'
+          }
+        },
+        variants: [
+          { begin: /^>>>(?=[ ]|$)/ },
+          { begin: /^\.\.\.(?=[ ]|$)/ }
+        ]
+      },
+    ]
+  }
+}

test/detect/python-repl/default.txt

@@ -0,0 +1,15 @@
+>>> v = "foo = 42"
+>>> v
+"foo = 42"
+>>> print(v)
+foo = 42
+>>> print(repr(v).rstrip('"'))
+"foo = 42
+>>> print(repr(v).lstrip('"'))
+foo = 42"
+
+>>> """
+... abc
+... """
+>>> def test():
+...     pass

test/markup/python-repl/sample.expect.txt

@@ -0,0 +1,17 @@
+<span class="hljs-meta">&gt;&gt;&gt;</span> <span class="python">v = <span class="hljs-string">"foo = 42"</span></span>
+<span class="hljs-meta">&gt;&gt;&gt;</span> <span class="python">v</span>
+"foo = 42"
+<span class="hljs-meta">&gt;&gt;&gt;</span> <span class="python">print(v)</span>
+foo = 42
+<span class="hljs-meta">&gt;&gt;&gt;</span> <span class="python">print(repr(v).rstrip(<span class="hljs-string">'"'</span>))</span>
+"foo = 42
+<span class="hljs-meta">&gt;&gt;&gt;</span> <span class="python">print(repr(v).lstrip(<span class="hljs-string">'"'</span>))</span>
+foo = 42"
+
+<span class="hljs-meta">&gt;&gt;&gt;</span> <span class="python"><span class="hljs-string">"""</span></span>
+<span class="hljs-meta">...</span> <span class="python"><span class="hljs-string">abc</span></span>
+<span class="hljs-meta">...</span> <span class="python"><span class="hljs-string">"""</span></span>
+<span class="hljs-meta">&gt;&gt;&gt;</span> <span class="python"><span class="hljs-function"><span class="hljs-keyword">def</span> <span class="hljs-title">test</span><span class="hljs-params">()</span>:</span></span>
+<span class="hljs-meta">...</span> <span class="python">    <span class="hljs-keyword">pass</span></span>
+<span class="hljs-meta">&gt;&gt;&gt;</span>
+<span class="hljs-meta">&gt;&gt;&gt;</span>

test/markup/python-repl/sample.txt

@@ -0,0 +1,17 @@
+>>> v = "foo = 42"
+>>> v
+"foo = 42"
+>>> print(v)
+foo = 42
+>>> print(repr(v).rstrip('"'))
+"foo = 42
+>>> print(repr(v).lstrip('"'))
+foo = 42"
+
+>>> """
+... abc
+... """
+>>> def test():
+...     pass
+>>>
+>>>