48 lines
1.5 KiB
Python
48 lines
1.5 KiB
Python
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import machine
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import sdcard
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import uos
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import random
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class Storage:
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def __init__(self):
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self.cs = machine.Pin(17, machine.Pin.OUT)
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self.spi = machine.SPI(0,
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baudrate=1000000,
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polarity=0,
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phase=0,
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bits=8,
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firstbit=machine.SPI.MSB,
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sck=machine.Pin(18),
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mosi=machine.Pin(19),
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miso=machine.Pin(16))
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self.sd = None
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self.vfs = None
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self.sd_path = "/sd"
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def mount(self):
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self.sd = sdcard.SDCard(self.spi, self.cs)
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self.vfs = uos.VfsFat(self.sd)
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uos.mount(self.vfs, self.sd_path)
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def umount(self):
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uos.umount(self.sd_path)
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def get_root_path(self):
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return self.sd_path
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def load_joke(root):
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filename = root + "/jokes.json"
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num_lines = sum(1 for line in open(filename))
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with open(filename, mode="r") as f:
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joke = None
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start_pattern = "\"joke\": \""
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end_pattern = "\""
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for i in range(random.randrange(num_lines)):
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line = f.readline()
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for i in range(10):
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line = f.readline()
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joke_start = line.find(start_pattern)
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joke_end = line.rfind(end_pattern)
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if joke_start >= 0 and joke_end >= 0:
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joke = line[joke_start+len(start_pattern):joke_end]
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return joke
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return None
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