From 0b160bf8c9a5cc1eccf22f1d9c37c261b709b678 Mon Sep 17 00:00:00 2001
From: Danny Staple <danny@orionrobots.co.uk>
Date: Tue, 30 Aug 2022 09:30:23 +0100
Subject: [PATCH] Delete ch-11/pc-live-graph directory

---
 ch-11/pc-live-graph/live_graph.py    | 59 ----------------------------
 ch-11/pc-live-graph/requirements.txt |  2 -
 2 files changed, 61 deletions(-)
 delete mode 100644 ch-11/pc-live-graph/live_graph.py
 delete mode 100644 ch-11/pc-live-graph/requirements.txt

diff --git a/ch-11/pc-live-graph/live_graph.py b/ch-11/pc-live-graph/live_graph.py
deleted file mode 100644
index aeb6ea4..0000000
--- a/ch-11/pc-live-graph/live_graph.py
+++ /dev/null
@@ -1,59 +0,0 @@
-""" Turn JSON data stream into graphs"""
-import requests
-import json
-
-import matplotlib.pyplot as plt
-from matplotlib.animation import FuncAnimation
-
-url = "http://192.168.1.128"
-
-
-class AnimatedGraph:
-    def __init__(self):
-        self.fields = {}
-        self.samples = 100
-        self.reset()
-        print("getting source to iterate over")
-        self.source = self._graph_source()
-        print("init completed")
-
-    def reset(self):
-        for field in self.fields:
-            self.fields[field] = []
-
-    def _graph_source(self):
-        while True:
-            try:
-                with requests.get(url, timeout=1, stream=True) as response:
-                    print(f"status: {response.status_code}")
-                    yield from response.iter_lines()
-            except requests.exceptions.RequestException:
-                pass
-
-    def make_frame(self, frame):
-        print("loading next item")
-        item = json.loads(next(self.source))
-        print("item loaded")
-        if 'time' in self.fields and item["time"] < self.fields['time'][-1]:
-            self.reset()
-        for field in item:
-            if field not in self.fields:
-                self.fields[field] = []
-            self.fields[field].append(item[field])
-
-        if len(self.fields['time'] ) > self.samples:
-            for field in self.fields:
-                self.fields[field] = self.fields[field][-self.samples:]
-
-        plt.cla()  # clear axes.
-        # plot the items
-        for field in self.fields:
-            if field != "time":
-                plt.plot("time", field, data=self.fields)
-
-        plt.legend(loc="upper right")
-
-# Create the animation. gcf - get current figure. random_stream - callback func.
-animation = FuncAnimation(plt.gcf(), AnimatedGraph().make_frame, interval=200)
-plt.tight_layout()
-plt.show()
diff --git a/ch-11/pc-live-graph/requirements.txt b/ch-11/pc-live-graph/requirements.txt
deleted file mode 100644
index 66ed226..0000000
--- a/ch-11/pc-live-graph/requirements.txt
+++ /dev/null
@@ -1,2 +0,0 @@
-matplotlib
-requests