From 06f46c5e6a620ad3fd66ecff7abb10fe06c656a7 Mon Sep 17 00:00:00 2001
From: Alex Root Junior <jroot.junior@gmail.com>
Date: Fri, 19 May 2017 22:55:29 +0300
Subject: [PATCH] Add markdown util.

---
 aiogram/utils/__init__.py |  0
 aiogram/utils/markdown.py | 37 +++++++++++++++++++++++++++++++++++++
 2 files changed, 37 insertions(+)
 create mode 100644 aiogram/utils/__init__.py
 create mode 100644 aiogram/utils/markdown.py

diff --git a/aiogram/utils/__init__.py b/aiogram/utils/__init__.py
new file mode 100644
index 00000000..e69de29b
diff --git a/aiogram/utils/markdown.py b/aiogram/utils/markdown.py
new file mode 100644
index 00000000..c3e83c1c
--- /dev/null
+++ b/aiogram/utils/markdown.py
@@ -0,0 +1,37 @@
+MD_SYMBOLS = '*_`'
+
+
+def _rst(symbol, *content, sep=' '):
+    start, end = (symbol, symbol) if isinstance(symbol, str) else (symbol[0], symbol[1])
+    return start + sep.join(map(str, content)) + end
+
+
+def text(*content, sep=' '):
+    return _rst('', *content, sep=sep)
+
+
+def bold(*content, sep=' '):
+    return _rst(MD_SYMBOLS[0], *content, sep=sep)
+
+
+def italic(*content, sep=' '):
+    return _rst(MD_SYMBOLS[1], *content, sep=sep)
+
+
+def code(*content, sep=' '):
+    return _rst(MD_SYMBOLS[2], *content, sep=sep)
+
+
+def pre(*content, sep='\n'):
+    return _rst(('```\n', '\n```'), *content, sep=sep)
+
+
+def link(title, url):
+    return f"[{title}]({url})"
+
+
+def escape_md(*content, sep=' '):
+    result = text(*content, sep=sep)
+    for symbol in MD_SYMBOLS + '[':
+        result = result.replace(symbol, '\\' + symbol)
+    return result