diff --git a/README.md b/README.md
index f7542c9..90c8fae 100644
--- a/README.md
+++ b/README.md
@@ -1,7 +1,8 @@
 ### API documentation
 
-##### ZTM API - realtime data (delays / positions)
+##### ZTM API docs
 https://www.ztm.poznan.pl/otwarte-dane/dla-deweloperow/
-
-##### Poznan PCSS API - static timetables / trips
-https://egov.psnc.pl/node/29#przystanki
+##### ZTM API - static data (routes)
+    curl 'https://www.ztm.poznan.pl/pl/dla-deweloperow/getGTFSFile' -o routes.pb
+##### ZTM API - realtime data (delays)
+    curl 'https://www.ztm.poznan.pl/pl/dla-deweloperow/getGtfsRtFile?file=trip_updates.pb' -o trip_updates.pb
diff --git a/pyproject.toml b/pyproject.toml
new file mode 100644
index 0000000..94b19f6
--- /dev/null
+++ b/pyproject.toml
@@ -0,0 +1,10 @@
+[project]
+name = "ha-poz-timetable"
+version = "0.1.0"
+description = "Poznan ZTM API integration"
+readme = "README.md"
+requires-python = ">=3.10"
+dependencies = [
+  "requests",
+  "gtfs-realtime-bindings"
+]
diff --git a/scripts/realtime.py b/scripts/realtime.py
index 52cda8a..0d3b024 100755
--- a/scripts/realtime.py
+++ b/scripts/realtime.py
@@ -2,8 +2,22 @@ from google.transit import gtfs_realtime_pb2
 import requests
 
 feed = gtfs_realtime_pb2.FeedMessage()
-response = requests.get('https://www.ztm.poznan.pl/pl/dla-deweloperow/getGtfsRtFile?file=trip_updates.pb')
-feed.ParseFromString(response.content)
+# response = requests.get('https://www.ztm.poznan.pl/pl/dla-deweloperow/getGtfsRtFile?file=trip_updates.pb')
+# response = ''
+# with open('trip_updates.pb', 'rb') as f:
+#   response = f.read()
+# feed.ParseFromString(response)
+# for entity in feed.entity:
+#   print(entity)
+#   if entity.HasField('trip_update'):
+#     print(entity.trip_update)
+
+    
+with open('feeds.pb', 'rb') as f:
+  response = f.read()
+feed = gtfs_realtime_pb2.FeedMessage()
+feed.ParseFromString(response)
 for entity in feed.entity:
-  if entity.HasField('trip_update'):
-    print(entity.trip_update)
+  print(entity)
+  # if entity.HasField('trip_update'):
+  #   print(entity.trip_update)