1.0.0

safemode/__init__.py

@@ -0,0 +1,6 @@
+#!/usr/bin/env python
+# -*- coding: utf-8 -*-
+
+from .safemode import *
+
+__version__ = '1.0.0'

safemode/safemode.py

@@ -0,0 +1,45 @@
+#!/usr/bin/env python
+# -*- coding: utf-8 -*-
+
+import time
+from threading import Thread
+import sys, tty, termios
+import os
+
+if 'SAFEMODE_GRACE_PERIOD' in os.environ:
+    SAFEMODE_GRACE_PERIOD = os.environ['SAFEMODE_GRACE_PERIOD']
+else:
+    SAFEMODE_GRACE_PERIOD = 5
+
+
+def configure_tty():
+    old_settings = termios.tcgetattr(sys.stdin.fileno())
+    tty.setraw(sys.stdin.fileno())
+    return old_settings
+
+
+def restore_tty(old_settings):
+    termios.tcsetattr(sys.stdin.fileno(), termios.TCSADRAIN, old_settings)
+
+
+def capture_key():
+    global key_pressed
+    key_pressed = sys.stdin.read(1)
+
+
+def launch_shell():
+    os.execv('/bin/sh', (' ', ))
+
+
+print('[safemode] To start a shell, '
+      f'press any key before {SAFEMODE_GRACE_PERIOD} seconds...')
+old_settings = configure_tty()
+key_pressed = False
+thread = Thread(target=capture_key, daemon=True).start()
+for _ in range(SAFEMODE_GRACE_PERIOD):
+    if key_pressed:
+        restore_tty(old_settings)
+        launch_shell()
+    time.sleep(1)
+restore_tty(old_settings)
+print(f'[safemode] Starting up normally...')

setup.py

@@ -3,15 +3,15 @@
 
 from setuptools import setup
 from setuptools import find_packages
-import package_name
+import safemode
 
 setup(
-    name='package_name',
-    version=package_name.__version__,
-    description='description_value',
-    url='url_value',
-    author='author_value',
-    author_email='email_value',
+    name='safemode',
+    version=safemode.__version__,
+    description='Open a terminal if any key is pressed during start up',
+    url='https://github.com/labteral/safemode',
+    author='Rodrigo Martínez Castaño',
+    author_email='[email protected]',
     license='GNU General Public License v3 (GPLv3)',
     packages=find_packages(),
     zip_safe=False,