Merge pull request #128 from pacohope/use-system-random

Use underlying system random instead of homebrew random

3dspin/main.py

@@ -3,7 +3,7 @@
 ___name___         = "3D Spin"
 ___license___      = "MIT"
 ___categories___   = ["Demo"]
-___dependencies___ = ["app", "ugfx_helper", "random", "sleep", "buttons"]
+___dependencies___ = ["app", "ugfx_helper", "sleep", "buttons"]
 
 import ugfx
 from tilda import Buttons

breakout/main.py

@@ -3,7 +3,7 @@
 ___name___         = "Breakout"
 ___license___      = "MIT"
 ___categories___   = ["Games"]
-___dependencies___ = ["app", "ugfx_helper", "random", "buttons"]
+___dependencies___ = ["app", "ugfx_helper", "buttons"]
 
 from tilda import Buttons
 import ugfx, ugfx_helper, dialogs

game-of-life/main.py

@@ -3,7 +3,7 @@
 ___name___         = "Conway game of life"
 ___license___      = "MIT"
 ___categories___   = ["Games"]
-___dependencies___ = ["app", "ugfx_helper", "random", "sleep", "buttons"]
+___dependencies___ = ["app", "ugfx_helper", "sleep", "buttons"]
 
 import app, ugfx, ugfx_helper, buttons, sleep, time, random
 from tilda import Buttons

lib/homescreen.py

@@ -17,7 +17,7 @@ They also *may*:
 """
 
 ___license___      = "MIT"
-___dependencies___ = ["database", "buttons", "random", "app", "sleep", "ugfx_helper", "wifi", "sim800"]
+___dependencies___ = ["database", "buttons", "app", "sleep", "ugfx_helper", "wifi", "sim800"]
 
 import database, ugfx, random, buttons, tilda, sleep, ugfx_helper, wifi, time, sim800
 from app import App

lib/random.py

@@ -1,41 +0,0 @@
-"""Library to generate random numbers
-
-Warning! Don't use this for anything important, it's probably biased
-"""
-
-___license___ = "MIT"
-
-# todo: simplify this by using "urandom"
-import os
-
-_bigrand_bytes = 10
-_bigrand_max = pow(256, _bigrand_bytes)
-
-def _bigrand():
-    """generates a random number between 0 (incl) and _bigrand_max (excl)"""
-    base = 0
-    for b in os.urandom(_bigrand_bytes):
-        base = (base << 8) + b
-    return base
-
-def random():
-    """Return the next random floating point number in the range [0.0, 1.0)."""
-    return _bigrand() / _bigrand_max
-
-def randrange(start, stop=None):
-    """Return a randomly selected element from range(start, stop)"""
-    if stop is None:
-        stop = start
-        start = 0
-    return start + (_bigrand() * (stop - start) // _bigrand_max)
-
-def randint(start, stop):
-    """Return a random integer N such that a <= N <= b."""
-    return randrange(start, stop + 1)
-
-def shuffle(seq):
-    """Shuffle the sequence x in place."""
-    l = len(seq)
-    for i in range(l):
-        j = randrange(l)
-        seq[i], seq[j] = seq[j], seq[i]

lib/test_random.py

@@ -1,7 +1,7 @@
 """Tests for random lib"""
 
 ___license___      = "MIT"
-___dependencies___ = ["upip:unittest", "random"]
+___dependencies___ = ["upip:unittest"]
 
 import unittest
 from random import *

screendisco/main.py

@@ -3,7 +3,7 @@
 """
 ___name___         = "Screen Party"
 ___license___      = "MIT"
-___dependencies___ = ["ugfx_helper", "sleep", "random"]
+___dependencies___ = ["ugfx_helper", "sleep"]
 ___categories___   = ["Homescreens"]
 ___bootstrapped___ = False
 

snake/main.py

@@ -3,9 +3,9 @@
 ___name___         = "Snake"
 ___license___      = "MIT"
 ___categories___   = ["Games"]
-___dependencies___ = ["dialogs", "app", "ugfx_helper", "random", "sleep", "buttons"]
+___dependencies___ = ["dialogs", "app", "ugfx_helper", "sleep", "buttons"]
 
-import math, ugfx, ugfx_helper, random, sleep, buttons
+import app, math, ugfx, ugfx_helper, random, sleep, buttons
 from tilda import Buttons
 
 ugfx_helper.init()