From f1bd12885ca515f0687afdd45b177f7dec8be3df Mon Sep 17 00:00:00 2001
From: Neythen <zcqsntr@ucl.ac.uk>
Date: Mon, 29 Nov 2021 15:17:55 +0000
Subject: [PATCH] hosts changed

---
 display_images/Crypto.ppm | Bin 67022 -> 67022 bytes
 log.txt                   |  15 ---------------
 server.py                 |  17 +++++++++++++++++
 3 files changed, 17 insertions(+), 15 deletions(-)

diff --git a/display_images/Crypto.ppm b/display_images/Crypto.ppm
index fc72427168a095a82df46b00ee46815775930bce..ecc1327e85dd648e39e7787db9a82c32ea8672e0 100755
GIT binary patch
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diff --git a/log.txt b/log.txt
index 72cbb6b..e69de29 100755
--- a/log.txt
+++ b/log.txt
@@ -1,15 +0,0 @@
-Expecting value: line 1 column 1 (char 0). file: api_caller.py. line: 658. type: <class 'json.decoder.JSONDecodeError'>
- Traceback (most recent call last):
-  File "api_caller.py", line 658, in <module>
-    if checkStocks(stock_time, stock_frequency) or msg == 's':
-  File "api_caller.py", line 571, in checkStocks
-    all_stocks_settings = json.load(f)
-  File "/usr/lib/python3.7/json/__init__.py", line 296, in load
-    parse_constant=parse_constant, object_pairs_hook=object_pairs_hook, **kw)
-  File "/usr/lib/python3.7/json/__init__.py", line 348, in loads
-    return _default_decoder.decode(s)
-  File "/usr/lib/python3.7/json/decoder.py", line 337, in decode
-    obj, end = self.raw_decode(s, idx=_w(s, 0).end())
-  File "/usr/lib/python3.7/json/decoder.py", line 355, in raw_decode
-    raise JSONDecodeError("Expecting value", s, err.value) from None
-json.decoder.JSONDecodeError: Expecting value: line 1 column 1 (char 0)
diff --git a/server.py b/server.py
index 8ce04b4..c08fa58 100644
--- a/server.py
+++ b/server.py
@@ -306,6 +306,21 @@ def wifi():
     # resstart netoworking
     os.system('wpa_cli -i wlan0 reconfigure')
     return index()
+
+def edit_hosts(hostname):
+    current_hosts = open('/etc/hosts')
+
+    hosts_lines = current_hosts.readlines()
+    print(hosts_lines[5])
+
+    hosts_lines[5] = '127.0.1.1       {}'.format(hostname)
+
+    current_hosts.close()
+    
+    hosts_string = ''.join(hosts_lines)
+    
+    current_hosts = open('/etc/hosts', 'w+')
+    current_hosts.write(hosts_string)
     
 @app.route("/hostname", methods = ['PUT', 'POST', 'GET'])
 def hostname():
@@ -313,6 +328,8 @@ def hostname():
     settings = json.loads(data)
     hostname = settings['hostname']
     print('hostname', hostname)
+    
+    edit_hosts(hostname)
     os.system("sudo hostnamectl set-hostname {}".format(hostname))
     os.system("sudo systemctl restart avahi-daemon")