Replace single-threaded model with producer/consumer multithreaded model
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parent
63dd730986
commit
49408b075b
241
server.py
241
server.py
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@ -7,148 +7,165 @@ from http.server import HTTPServer, BaseHTTPRequestHandler
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from io import BytesIO
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import string
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import base64
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from queue import Queue
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from threading import Thread
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NULL_CHAR = chr(0)
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file = open('/dev/hidg0', 'rb+')
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alphabet_lower = set(string.ascii_lowercase)
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alphabet_upper = set(string.ascii_uppercase)
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colors = {
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"Z": "a", # Black
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"B": "b", # Blue
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"G": "c", # Green
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"M": "d", # Magenta
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"R": "e", # Red
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"P": "f", # Pink
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"Y": "g", # Yellow
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"W": "h", # White
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"z": "i", # Light/blink Black
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"b": "j", # Light/blink Blue
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"g": "k", # Light/blink Green
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"m": "l", # Light/blink Magenta
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"r": "m", # Light/blink Red
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"p": "n", # Light/blink Pink
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"y": "o", # Light/blink Yellow
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"w": "p" # Light/blink White
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}
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special_chars = {
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' ': [NULL_CHAR, chr(44)],
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'\n': [NULL_CHAR, chr(40)],
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'\\': [NULL_CHAR, chr(0x31)],
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'.': [NULL_CHAR, chr(0x37)],
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'/': [NULL_CHAR, chr(0x38)],
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';': [NULL_CHAR, chr(0x33)],
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'-': [NULL_CHAR, chr(0x2d)],
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'=': [NULL_CHAR, chr(0x2e)],
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'[': [NULL_CHAR, chr(0x2f)],
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']': [NULL_CHAR, chr(0x30)],
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'*': [NULL_CHAR, chr(0x55)],
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',': [NULL_CHAR, chr(0x36)],
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'!': [chr(32), chr(0x1e)],
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'<': [chr(32), chr(0x36)],
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'>': [chr(32), chr(0x37)],
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'?': [chr(32), chr(0x38)],
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':': [chr(32), chr(0x33)],
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'(': [chr(32), chr(0x26)],
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')': [chr(32), chr(0x27)],
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'&': [chr(32), chr(0x24)],
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'%': [chr(32), chr(0x22)],
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'#': [chr(32), chr(0x20)],
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'@': [chr(32), chr(0x1f)],
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'$': [chr(32), chr(0x21)],
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'_': [chr(32), chr(0x2d)],
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'+': [chr(32), chr(0x2e)],
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'{': [chr(32), chr(0x2f)],
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'}': [chr(32), chr(0x30)],
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'|': [chr(32), chr(0x31)],
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'~': [chr(32), chr(0x35)],
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}
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def write_report(report):
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file.write(report.encode())
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class KeyboardHandler:
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def __init__(self, hidfile='/dev/hidg0'):
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# Open keyboard device for binary appending
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self.file = open(hidfile, 'ba')
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colors = {
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"Z": "a", # Black
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"B": "b", # Blue
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"G": "c", # Green
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"M": "d", # Magenta
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"R": "e", # Red
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"P": "f", # Pink
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"Y": "g", # Yellow
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"W": "h", # White
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"z": "i", # Light/blink Black
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"b": "j", # Light/blink Blue
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"g": "k", # Light/blink Green
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"m": "l", # Light/blink Magenta
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"r": "m", # Light/blink Red
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"p": "n", # Light/blink Pink
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"y": "o", # Light/blink Yellow
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"w": "p" # Light/blink White
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}
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special_chars = {
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' ': [NULL_CHAR, chr(44)],
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'\n': [NULL_CHAR, chr(40)],
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'\\': [NULL_CHAR, chr(0x31)],
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'.': [NULL_CHAR, chr(0x37)],
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'/': [NULL_CHAR, chr(0x38)],
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';': [NULL_CHAR, chr(0x33)],
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'-': [NULL_CHAR, chr(0x2d)],
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'=': [NULL_CHAR, chr(0x2e)],
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'[': [NULL_CHAR, chr(0x2f)],
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']': [NULL_CHAR, chr(0x30)],
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'*': [NULL_CHAR, chr(0x55)],
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',': [NULL_CHAR, chr(0x36)],
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'!': [chr(32), chr(0x1e)],
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'<': [chr(32), chr(0x36)],
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'>': [chr(32), chr(0x37)],
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'?': [chr(32), chr(0x38)],
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':': [chr(32), chr(0x33)],
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'(': [chr(32), chr(0x26)],
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')': [chr(32), chr(0x27)],
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'&': [chr(32), chr(0x24)],
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'%': [chr(32), chr(0x22)],
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'#': [chr(32), chr(0x20)],
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'@': [chr(32), chr(0x1f)],
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'$': [chr(32), chr(0x21)],
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'_': [chr(32), chr(0x2d)],
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'+': [chr(32), chr(0x2e)],
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'{': [chr(32), chr(0x2f)],
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'}': [chr(32), chr(0x30)],
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'|': [chr(32), chr(0x31)],
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'~': [chr(32), chr(0x35)],
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}
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alphabet_lower = set(string.ascii_lowercase)
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alphabet_upper = set(string.ascii_uppercase)
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def release_keys():
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write_report(NULL_CHAR * 8)
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def write_report(self, report):
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self.file.write(report.encode())
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def printchar(c):
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if c in alphabet_lower:
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write_report(NULL_CHAR * 2 + chr(4 + ord(c) - ord('a')) + NULL_CHAR * 5)
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elif c in alphabet_upper:
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write_report(chr(32) + NULL_CHAR + chr(4 + ord(c) - ord('A')) + NULL_CHAR * 5)
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elif c.isdigit():
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write_report(NULL_CHAR * 2 + chr(0x1e + ((ord(c) - ord('0') - 1) % 10)) + NULL_CHAR * 5)
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elif c in special_chars:
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write_report(special_chars[c][0] + NULL_CHAR + special_chars[c][1] + NULL_CHAR * 5)
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else:
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write_report(chr(32) + NULL_CHAR + chr(0x38) + NULL_CHAR * 5)
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release_keys()
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def release_keys(self):
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self.write_report(NULL_CHAR * 8)
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def printchar(self, c):
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if c in self.alphabet_lower:
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self.write_report(NULL_CHAR * 2 + chr(4 + ord(c) - ord('a')) + NULL_CHAR * 5)
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elif c in self.alphabet_upper:
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self.write_report(chr(32) + NULL_CHAR + chr(4 + ord(c) - ord('A')) + NULL_CHAR * 5)
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elif c.isdigit():
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self.write_report(NULL_CHAR * 2 + chr(0x1e + ((ord(c) - ord('0') - 1) % 10)) + NULL_CHAR * 5)
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elif c in self.special_chars:
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self.write_report(self.special_chars[c][0] + NULL_CHAR + self.special_chars[c][1] + NULL_CHAR * 5)
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else:
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self.write_report(chr(32) + NULL_CHAR + chr(0x38) + NULL_CHAR * 5)
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self.release_keys()
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def change_color(background, foreground):
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if background in colors and foreground in colors:
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# DELETE keypress
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write_report(NULL_CHAR * 2 + chr(0x2a) + NULL_CHAR * 5)
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release_keys()
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write_report(NULL_CHAR * 2 + chr(4 + ord(colors[background]) - ord('a')) + NULL_CHAR * 5)
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release_keys()
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write_report(NULL_CHAR * 2 + chr(4 + ord(colors[foreground]) - ord('a')) + NULL_CHAR * 5)
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else:
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print('Malformed Color code: §' + background + foreground)
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write_report(chr(32) + NULL_CHAR + chr(0x38) + NULL_CHAR * 5)
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release_keys()
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def change_color(self, background, foreground):
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if background in self.colors and foreground in self.colors:
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# DELETE keypress
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self.write_report(NULL_CHAR * 2 + chr(0x2a) + NULL_CHAR * 5)
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self.release_keys()
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self.write_report(NULL_CHAR * 2 + chr(4 + ord(self.colors[background]) - ord('a')) + NULL_CHAR * 5)
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self.release_keys()
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self.write_report(NULL_CHAR * 2 + chr(4 + ord(self.colors[foreground]) - ord('a')) + NULL_CHAR * 5)
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else:
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print('Malformed Color code: §' + background + foreground)
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self.write_report(chr(32) + NULL_CHAR + chr(0x38) + NULL_CHAR * 5)
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self.release_keys()
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def printstring(s):
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last_c = ''
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last_last_c = ''
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for c in s:
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if last_last_c == '§':
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change_color(last_c, c)
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elif c != '§' and last_c != '§':
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printchar(c)
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last_c, last_last_c = c, last_c
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def printstring(self, s):
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last_c = ''
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last_last_c = ''
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for c in s:
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if last_last_c == '§':
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self.change_color(last_c, c)
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elif c != '§' and last_c != '§':
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self.printchar(c)
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last_c, last_last_c = c, last_c
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def reset_color():
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change_color('Z', 'g')
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release_keys()
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def reset_color(self):
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self.change_color('Z', 'g')
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self.release_keys()
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def beep(code='fff'):
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write_report(NULL_CHAR * 2 + chr(0x29) + NULL_CHAR * 5)
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release_keys()
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for char in code:
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printchar(char)
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def beep(self, code='fff'):
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self.write_report(NULL_CHAR * 2 + chr(0x29) + NULL_CHAR * 5)
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self.release_keys()
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for char in code:
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self.printchar(char)
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class SimpleHTTPRequestHandler(BaseHTTPRequestHandler):
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def __init__(self, request, client_address, server):
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self.messagequeue = server.messagequeue
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super().__init__(request, client_address, server)
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def do_GET(self):
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self.send_response(200)
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self.end_headers()
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self.wfile.write(b'Hello, world!')
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self.wfile.write(b'TAp reporting for duty!')
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def do_POST(self):
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print(self.headers)
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message = base64.b64decode(self.headers['X-Messages']).decode('utf8')
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self.send_response(200)
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self.end_headers()
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response = BytesIO()
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response.write(b'This is POST request. ')
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response.write(b'Received: ')
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self.wfile.write(response.getvalue())
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self.messagequeue.put_nowait(message)
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self.wfile.write(b'Received message')
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def message_collector(messagequeue):
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keyboard = KeyboardHandler()
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while True:
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message = messagequeue.get()
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if message == 'reset':
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printstring('\n' * 32)
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keyboard.printstring('\n' * 32)
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else:
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printstring(message + '\n')
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beep()
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reset_color()
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file.flush()
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keyboard.printstring(message + '\n')
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keyboard.beep()
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keyboard.reset_color()
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keyboard.file.flush()
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shared_messagequeue = Queue()
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httpd = HTTPServer(('0.0.0.0', 8000), SimpleHTTPRequestHandler)
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httpd.messagequeue = shared_messagequeue
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thread = Thread(target = message_collector, args = (shared_messagequeue, ))
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thread.start()
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httpd.serve_forever()
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