From ab75a63b173792a6b89215d6e2cf743649b05057 Mon Sep 17 00:00:00 2001
From: Arctic Ice Studio <development@arcticicestudio.com>
Date: Sat, 7 Jan 2017 13:51:22 +0100
Subject: [PATCH 1/3] GHI-#4 Implement the "with_metaclass(meta, *bases)"
 method

---
 snowsaw/util/__init__.py | 3 +++
 snowsaw/util/compat.py   | 5 +++++
 2 files changed, 8 insertions(+)
 create mode 100644 snowsaw/util/__init__.py
 create mode 100644 snowsaw/util/compat.py

diff --git a/snowsaw/util/__init__.py b/snowsaw/util/__init__.py
new file mode 100644
index 0000000..2ada516
--- /dev/null
+++ b/snowsaw/util/__init__.py
@@ -0,0 +1,3 @@
+"""
+Provides project utils.
+"""
\ No newline at end of file
diff --git a/snowsaw/util/compat.py b/snowsaw/util/compat.py
new file mode 100644
index 0000000..29a29e9
--- /dev/null
+++ b/snowsaw/util/compat.py
@@ -0,0 +1,5 @@
+def with_metaclass(meta, *bases):
+    class metaclass(meta):
+        def __new__(cls, name, this_bases, d):
+            return meta(name, bases, d)
+    return type.__new__(metaclass, 'metaclass', (), {})

From b85c0d3b7fb89716609edcd07c95f36495c68136 Mon Sep 17 00:00:00 2001
From: Arctic Ice Studio <development@arcticicestudio.com>
Date: Sat, 7 Jan 2017 13:52:12 +0100
Subject: [PATCH 2/3] GHI-#4 Implement the "load(path)" method

---
 snowsaw/util/module.py | 48 ++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 48 insertions(+)
 create mode 100644 snowsaw/util/module.py

diff --git a/snowsaw/util/module.py b/snowsaw/util/module.py
new file mode 100644
index 0000000..a7768d1
--- /dev/null
+++ b/snowsaw/util/module.py
@@ -0,0 +1,48 @@
+import os.path
+import sys
+
+loaded_modules = []
+
+
+def load(path):
+    """
+    Loads the module from the specified path.
+
+    :param path: The path to load the module of
+    :return: The loaded module
+    """
+    basename = os.path.basename(path)
+    module_name, extension = os.path.splitext(basename)
+    plugin = load_module(module_name, path)
+    loaded_modules.append(plugin)
+
+
+if sys.version_info >= (3, 5):
+    import importlib.util
+
+
+    def load_module(module_name, path):
+        """
+        Loads the module with the specified name from the path.
+
+        :param module_name: The name of the module to load
+        :param path: The path to load the module of
+        :return: The loaded module
+        """
+        spec = importlib.util.spec_from_file_location(module_name, path)
+        module = importlib.util.module_from_spec(spec)
+        spec.loader.exec_module(module)
+        return module
+elif sys.version_info >= (3, 3):
+    from importlib.machinery import SourceFileLoader
+
+
+    def load_module(module_name, path):
+        """
+        Loads the module with the specified name from the path.
+
+        :param module_name: The name of the module to load
+        :param path: The path to load the module of
+        :return: The loaded module
+        """
+        return SourceFileLoader(module_name, path).load_module()

From 30241545d256eaba2eaa5195d706061b68aa93c0 Mon Sep 17 00:00:00 2001
From: Arctic Ice Studio <development@arcticicestudio.com>
Date: Sat, 7 Jan 2017 13:52:55 +0100
Subject: [PATCH 3/3] =?UTF-8?q?GHI-#4=C2=B7Implement=C2=B7the=20"Singleton?=
 =?UTF-8?q?(type)"=C2=B7class?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 snowsaw/util/singleton.py | 7 +++++++
 1 file changed, 7 insertions(+)
 create mode 100644 snowsaw/util/singleton.py

diff --git a/snowsaw/util/singleton.py b/snowsaw/util/singleton.py
new file mode 100644
index 0000000..3776cb9
--- /dev/null
+++ b/snowsaw/util/singleton.py
@@ -0,0 +1,7 @@
+class Singleton(type):
+    _instances = {}
+
+    def __call__(cls, *args, **kwargs):
+        if cls not in cls._instances:
+            cls._instances[cls] = super(Singleton, cls).__call__(*args, **kwargs)
+        return cls._instances[cls]