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it/main.py

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+# it, a shITtier version of ed
+import importlib
+import sys
+
+oldinput = input
+
+def input(*args, **kwargs):
+	message = args[0] if len(args) > 0 else ""
+	while 1:
+		try:
+			user_input = str(oldinput(message))
+		except KeyboardInterrupt:
+			pass
+		except EOFError:
+			sys.exit(0)
+	return user_input
+
+def parsecommand(command):
+	casesensitive = True
+	escapes = ["\\"]
+	quotes = ["'", '"']
+	spaces = [" ", "\t"]
+
+	command = command.rstrip().lstrip()
+
+	inQuotes = 0
+	word = ""
+	parsed_command = []
+
+	for i in range(len(command)):
+		if (command[i] in quotes) and inQuotes == 0\
+				and (i == 0 \
+				or (i > 0 and command[i-1] != escape)):
+			inQuotes = command[i]
+
+		elif command[i] == inQuotes \
+				and (i > 0 and command[i-1] != escape):
+			inQuotes = 0
+
+		elif command[i] in space and inQuotes == 0\
+				and (i > 0 and command[i-1] != escape):
+			parsed_command += [word]
+			word = ""
+
+		elif command[i] != "\\" or (i == len(command) - 1) \
+				or not(command[i+1] in space + quotes):
+			word += command[i]
+
+	parsed_command += [word]
+	if parsed_command == ['']: return []
+	return parsed_command
+
+class buffer: # all the information about the current file
+	content = []
+	dot = -1
+	filename = ""
+	saved = 0
+
+def main(argc, argv):
+	file = buffer()
+	modules = {}
+	while True:
+		command = parsecommand(input())
+		if(command == []):
+			continue
+		try:
+			modules[command[0]] = importlib.import_module(command[0])
+		except ModuleNotFoundError as err:
+			print(err)
+		else:
+			file = modules[command[0]].main(len(command), command, file)
+
+if __name__ == "__main__":
+	return main(len(sys.argv), sys.argv)