From ad31512b7e47d79528b9f27a6f94f4886593355d Mon Sep 17 00:00:00 2001
From: Breno Ribeiro do Valle <28983571+brenordv@users.noreply.github.com>
Date: Sun, 3 Dec 2023 02:06:40 -0500
Subject: [PATCH 1/4] Added IP info to sys_info.py

Added IP info to the sys_info.py example. Also included a caching (default: 4 hours) since IP address is not something that changes frequently.
---
 examples/sys_info.py | 29 +++++++++++++++++++++++++++++
 1 file changed, 29 insertions(+)

diff --git a/examples/sys_info.py b/examples/sys_info.py
index e42f7cd..2bbf0ba 100755
--- a/examples/sys_info.py
+++ b/examples/sys_info.py
@@ -16,6 +16,7 @@
 import os
 import sys
 import time
+import socket
 from pathlib import Path
 from datetime import datetime
 
@@ -37,6 +38,32 @@
 # TODO: Load histogram
 
 
+class IPAddressChecker:
+    def __init__(self, cache_duration_in_seconds=14400):
+        """
+        :param cache_duration_in_seconds: The duration in seconds to cache the IP address for. Default is 4 hours.
+        """
+        self._ip_address = None
+        self._last_checked = None
+        self._cache_duration = cache_duration_in_seconds
+
+    def get_ip_address(self):
+        if self._last_checked is None or time.time() - self._last_checked > self._cache_duration:
+            self._ip_address = self._retrieve_ip_address()
+            self._last_checked = time.time()
+        return self._ip_address
+
+    @staticmethod
+    def _retrieve_ip_address():
+        try:
+            with socket.socket(socket.AF_INET, socket.SOCK_DGRAM) as s:
+                s.connect(("8.8.8.8", 80)) # Google DNS. Probably will never be down.
+                return s.getsockname()[0]
+        except Exception as e:
+            print(f"Error: {e}")
+            return None
+
+
 def bytes2human(n):
     """
     >>> bytes2human(10000)
@@ -95,6 +122,7 @@ def stats(device):
             draw.text((0, 26), disk_usage('/'), font=font2, fill="white")
             try:
                 draw.text((0, 38), network('wlan0'), font=font2, fill="white")
+                draw.text((0, 50), ip_address_checker.get_ip_address(), font=font2, fill="white")
             except KeyError:
                 # no wifi enabled/available
                 pass
@@ -109,6 +137,7 @@ def main():
 if __name__ == "__main__":
     try:
         device = get_device()
+        ip_address_checker = IPAddressChecker()
         main()
     except KeyboardInterrupt:
         pass

From a1fb02eca148c11ca24056740fd82b901e162a87 Mon Sep 17 00:00:00 2001
From: Breno Ribeiro do Valle <28983571+brenordv@users.noreply.github.com>
Date: Sun, 3 Dec 2023 02:09:50 -0500
Subject: [PATCH 2/4] Update CONTRIBUTING.rst

---
 CONTRIBUTING.rst | 1 +
 1 file changed, 1 insertion(+)

diff --git a/CONTRIBUTING.rst b/CONTRIBUTING.rst
index ca71a77..ec39bff 100644
--- a/CONTRIBUTING.rst
+++ b/CONTRIBUTING.rst
@@ -20,3 +20,4 @@ Contributors
 * Tomislav Kopić (@Tkopic001)
 * Maciej Sokolowski (@matemaciek)
 * Sangho Kim (@rlaace423)
+* Breno RdV (@brenordv)

From 90f4266981d941f4e7a0ceeef4ae4348efd955e3 Mon Sep 17 00:00:00 2001
From: Breno Ribeiro do Valle <28983571+brenordv@users.noreply.github.com>
Date: Sun, 3 Dec 2023 02:14:27 -0500
Subject: [PATCH 3/4] Update sys_info.py

Changed the strategy for failure cases. Now returning an empty string and (hopefully) ensuring nothing else will go wrong (like failing to display None).
---
 examples/sys_info.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/examples/sys_info.py b/examples/sys_info.py
index 2bbf0ba..07500a4 100755
--- a/examples/sys_info.py
+++ b/examples/sys_info.py
@@ -61,7 +61,7 @@ def _retrieve_ip_address():
                 return s.getsockname()[0]
         except Exception as e:
             print(f"Error: {e}")
-            return None
+            return ""
 
 
 def bytes2human(n):

From 06bb4918f4ffca98669b89fe05000e9b70a68123 Mon Sep 17 00:00:00 2001
From: Breno RdV <brenordv@users.noreply.github.com>
Date: Wed, 10 Sep 2025 19:09:18 -0400
Subject: [PATCH 4/4] Added dependency for psutil package.

---
 setup.cfg | 1 +
 1 file changed, 1 insertion(+)

diff --git a/setup.cfg b/setup.cfg
index a7b5b4a..3ccd3f0 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -32,6 +32,7 @@ install_requires =
     luma.lcd>=2.5.0
     luma.led_matrix>=1.5.0
     argcomplete
+    psutil = "==7.0.0"
 tests_require =
     pytest
     pytest-cov