From d9f752c3bdfc06198dc4f685521c371c3a4963f2 Mon Sep 17 00:00:00 2001
From: Rossen Georgiev <rossen@rgp.io>
Date: Wed, 25 May 2016 00:33:24 +0100
Subject: [PATCH] implemented GlobalID

---
 docs/api/steam.globalid.rst |  7 +++
 docs/api/steam.rst          |  1 +
 steam/__init__.py           |  1 +
 steam/globalid.py           | 93 +++++++++++++++++++++++++++++++++++++
 4 files changed, 102 insertions(+)
 create mode 100644 docs/api/steam.globalid.rst
 create mode 100644 steam/globalid.py

diff --git a/docs/api/steam.globalid.rst b/docs/api/steam.globalid.rst
new file mode 100644
index 0000000..b29d042
--- /dev/null
+++ b/docs/api/steam.globalid.rst
@@ -0,0 +1,7 @@
+globalid
+========
+
+.. automodule:: steam.globalid
+    :members:
+    :undoc-members:
+    :show-inheritance:
diff --git a/docs/api/steam.rst b/docs/api/steam.rst
index 69bc0e5..70479c6 100644
--- a/docs/api/steam.rst
+++ b/docs/api/steam.rst
@@ -5,6 +5,7 @@ steam
     steam.client
     steam.core
     steam.enums
+    steam.globalid
     steam.steamid
     steam.webapi
     steam.webauth
diff --git a/steam/__init__.py b/steam/__init__.py
index cf2c5fb..4d5ab89 100644
--- a/steam/__init__.py
+++ b/steam/__init__.py
@@ -4,6 +4,7 @@ __author__ = "Rossen Georgiev"
 version_info = (0, 8, 0)
 
 from steam.steamid import SteamID
+from steam.globalid import GlobalID
 from steam.webapi import WebAPI
 from steam.webauth import WebAuth
 
diff --git a/steam/globalid.py b/steam/globalid.py
new file mode 100644
index 0000000..9d99760
--- /dev/null
+++ b/steam/globalid.py
@@ -0,0 +1,93 @@
+import sys
+from datetime import datetime, timedelta
+
+if sys.version_info < (3,):
+    intBase = long
+else:
+    intBase = int
+
+
+class GlobalID(intBase):
+    """
+    Represents a globally unique identifier within the Steam network.
+    Guaranteed to be unique across all racks and servers for a given Steam universe.
+    """
+    def __new__(cls, *args, **kwargs):
+        if len(args) == 1:
+            return super(GlobalID, cls).__new__(cls, *args)
+
+        gid = GlobalID.new(*args, **kwargs)
+        return super(GlobalID, cls).__new__(cls, gid)
+
+    @staticmethod
+    def new(sequence_count, start_time, process_id, box_id):
+        """Make new GlobalID
+
+        :param sequence_count: sequence count
+        :type sequence_count: :class:`int`
+        :param start_time: start date time of server (must be after 2005-01-01)
+        :type start_time: :class:`str`, :class:`datetime`
+        :param process_id: process id
+        :type process_id: :class:`int`
+        :param box_id: box id
+        :type box_id: :class:`int`
+        :return: Global ID integer
+        :rtype: :class:`int`
+        """
+        if not isinstance(start_time, datetime):
+            start_time = datetime.strptime(start_time, '%Y-%m-%d %H:%M:%S')
+        start_time_seconds = int((start_time - datetime(2005, 1, 1)).total_seconds())
+
+        return (box_id << 54) | (process_id << 50) | (start_time_seconds << 20) | sequence_count
+
+    def __init__(self, *args, **kwargs):
+        pass
+
+    def __repr__(self):
+        return "%s(sequence_count=%s, start_time=%s, process_id=%s, box_id=%s)" % (
+            self.__class__.__name__,
+            self.sequence_count,
+            repr(str(self.start_time)),
+            self.process_id,
+            self.box_id,
+            )
+
+    @property
+    def sequence_count(self):
+        """
+        :return: sequence count for GID
+        :rtype: :class:`int`
+        """
+        return self & 0xFFFFF
+
+    @property
+    def start_time_seconds(self):
+        """
+        :return: seconds since 2005-01-01
+        :rtype: :class:`int`
+        """
+        return (self >> 20) & 0x3FFFFFFF
+
+    @property
+    def start_time(self):
+        """
+        :return: start time of the server that generated this GID
+        :rtype: :class:`datetime`
+        """
+        return datetime(2005, 1, 1) + timedelta(seconds=self.start_time_seconds)
+
+    @property
+    def process_id(self):
+        """
+        :return: process id of server
+        :rtype: :class:`int`
+        """
+        return (self >> 50) & 0xF
+
+    @property
+    def box_id(self):
+        """
+        :return: box id of server
+        :rtype: :class:`int`
+        """
+        return (self >> 54) & 0x3FF