🚀 Added Website Blocker

scripts/Website Blocker/README.md

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+### About
+
+A Python3 script to block certain websites.
+
+### Setup
+
+* Install Python3 from [here](https://python.org).
+* Open cmd/terminal
+* Navigate inside the ```scripts\Website Blocker``` directory.
+* Run using Python
+  ```bash
+  sudo python admin.py
+  ```
+Note: Add your end time in the `admin.py` file. 
+
+Blocking:
+![img.png](assets/img.png)
+![img_2.png](assets/img_2.png)
+
+Unblocking:
+![img_1.png](assets/img_1.png)
+![img_3.png](assets/img_3.png)

scripts/Website Blocker/admin.py

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+from datetime import datetime
+from start_website_blocker import Blocker
+
+end_time = datetime(2021, 10, 1, 20)  # y, m, d, h, min
+sites_to_block = ['www.facebook.com', 'facebook.com']
+block = Blocker(end_time, sites_to_block)
+block.block_websites()

scripts/Website Blocker/start_website_blocker.py

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+# a simple script to block websites
+from datetime import datetime
+import sys
+
+if sys.platform == 'win32':
+    hosts_path = r"C:\Windows\System32\drivers\etc\hosts"
+else:
+    hosts_path = '/private/etc/hosts'
+
+redirect = "127.0.0.1"
+
+
+class Blocker:
+    def __init__(self, time, block):
+        self.time = time
+        self.block = block
+
+    def block_websites(self):
+        if datetime.now() < self.time:
+            print("Block sites")
+            with open(hosts_path, 'r+') as hostfile:
+                hosts_content = hostfile.read()
+                for site in self.block:
+                    if site not in hosts_content:
+                        hostfile.write(redirect + "  " + site + "\n")
+        else:
+            print('Unblock sites')
+            with open(hosts_path, 'r+') as hostfile:
+                lines = hostfile.readlines()
+                hostfile.seek(0)
+                for line in lines:
+                    if not any(site in line for site in self.block):
+                        hostfile.write(line)
+                hostfile.truncate()
+
+
+# sudo python main.py
+if __name__ == '__main__':
+    end_time = datetime(2021, 10, 1, 20)  # y, m, d, h, min
+    sites_to_block = ['www.facebook.com', 'facebook.com']
+    block = Blocker(end_time, sites_to_block)
+    block.block_websites()