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107 lines
3.7 KiB
107 lines
3.7 KiB
9 months ago
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import re, sys
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from cppy.cp_util import *
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stops = get_stopwords()
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data = {}
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# 路径问题，测试输入 test.txt ，演示当前目录下这个文件的处理
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#################################################################################
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# 服务端
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def error_state():
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return "Something wrong", ["get", "default", None]
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def quit_handler(args):
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sys.exit(" ... ")
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def upload_get_handler(args):
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return "Name of file to upload?", ["post", "file"]
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def default_get_handler(args):
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rep = "What would you like to do?"
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rep += "\n1 - Quit" + "\n2 - Upload file"
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links = {"1" : ["post", "execution", None],
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"2" : ["get", "file_form", None]}
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return rep, links
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def upload_post_handler(args):
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def create_data(fn):
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if fn in data: return
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word_freqs = {}
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with open(fn) as f:
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for w in [x.lower() for x in re.split("[^a-zA-Z]+", f.read()) if len(x) > 0 and x.lower() not in stops]:
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word_freqs[w] = word_freqs.get(w, 0) + 1
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wf = list(word_freqs.items())
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data[fn] = sorted(wf,key=lambda x: x[1],reverse=True)
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if args == None: return error_state()
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filename = args[0]
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try:
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script_dir = os.path.dirname(os.path.abspath(__file__))
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filename = os.path.join(script_dir, filename)
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create_data(filename)
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except:
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print("Unexpected error: %s" % sys.exc_info()[0])
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return error_state()
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return word_get_handler([filename, 0])
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def word_get_handler(args):
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def get_word(filename, word_index):
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if word_index < len(data[filename]):
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return data[filename][word_index]
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else:
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return ("no more words", 0)
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filename = args[0]; word_index = args[1]
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word_info = get_word(filename, word_index)
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rep = '\n#{0}: {1} - {2}'.format(word_index+1, word_info[0], word_info[1])
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rep += "\n\nWhat would you like to do next?"
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rep += "\n1 - Quit" + "\n2 - Upload file"
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rep += "\n3 - See next most-frequently occurring word"
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links = {"1" : ["post", "execution", None],
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"2" : ["get", "file_form", None],
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"3" : ["get", "word", [filename, word_index+1]]}
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return rep, links
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# Handler registration
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handlers = {"post_execution" : quit_handler,
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"get_default" : default_get_handler,
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"get_file_form" : upload_get_handler,
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"post_file" : upload_post_handler,
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"get_word" : word_get_handler }
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# The "server" core
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def handle_request(verb, uri, args):
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def handler_key(verb, uri):
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return verb + "_" + uri
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if handler_key(verb, uri) in handlers:
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return handlers[handler_key(verb, uri)](args)
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else:
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return handlers[handler_key("get", "default")](args)
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#################################################################################
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# 仿真简单的浏览器客户端动作
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def render_and_get_input(state_representation, links):
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print(state_representation)
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sys.stdout.flush()
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if type(links) is dict:
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input = sys.stdin.readline().strip()
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if input in links:
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return links[input]
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else:
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return ["get", "default", None]
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elif type(links) is list:
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if links[0] == "post": # get "form" data
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input = sys.stdin.readline().strip()
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links.append([input]) # add the data at the end
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return links
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else: # get action, don't get user input
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return links
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else:
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return ["get", "default", None]
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if __name__ == "__main__":
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request = ["get", "default", None]
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while True:
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state_representation, links = handle_request(*request) # "server"
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request = render_and_get_input(state_representation, links) # "client"
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