limour/b.limour.top @ 82d627282ea53346b8a3bad72b75acd9d3b78a5e

title: 多线程模块threading的简单使用 tags:

threading
选课 id: '154' categories:

Python练习

date: 2020-06-19 12:36:19

from aip import AipOcr
import requests, time, re, random, threading

space = re.compile(r'\s+')
htag = re.compile(r'<[^>]+>')

""" 你的 APPID AK SK """
APP_ID = ''
API_KEY = ''
SECRET_KEY = ''

client = AipOcr(APP_ID, API_KEY, SECRET_KEY)
options = {}
options["language_type"] = "CHN_ENG"
options["detect_direction"] = "true"
options["detect_language"] = "true"

def BaiduOCR(image, options=options):
if isinstance(image, str):
results = client.basicGeneralUrl(image, options)
else:
results = client.basicGeneral(image, options)
if 'error_code' in results:
print (f'BaiduOCR error {results["error_code"]} {results["error_msg"]}')
return ''
return ''.join(line['words'] for line in results['words_result'] if 'words' in line)
    
def jsonfy(s:str)->object:
#此函数将不带双引号的json的key标准化
if s[0] not in ('{','['): print(s + '\n' + 'jsonfy 登录失效,请重新获取Cookie!')
try:
obj = eval(s, type('js', (dict,), dict(__getitem__=lambda s, n: n))())
return obj
except Exception:
return {}
    

def getScLc(d):
return (int(d['sc']), int(d['lc']))

def getXkList(r):
a = r.text.find('[')
b = r.text.find(r';/*sc 当前人数, lc 人数上限*/')
c = r.text.find('{', b)
print(f'getXkList {a} {b} {c}')
if b==-1 or c==-1: print(r.text); time.sleep(0.5); return
j = jsonfy(r.text[a:b])
j2 = jsonfy(r.text[c:])
return [(one['id'], one['no'], one['name'], getScLc(j2[str(one['id'])])) for one in j]

def getData(Form = None):
if Form:
r = requests.post('', data = Form, headers=headers)
else:
r = requests.get(r''
print(f'getData status_code {r.status_code}')
if '请不要过快点击' in r.text: time.sleep(random.randint(3,9)/3)
return r

def getTimestamp(size = 1000):
t = time.time()
return int(round(t * size))

def getCaptcha():
r = requests.get(f'', headers=headers)
print(f'getCaptcha status_code {r.status_code}')
img = r.content
text = BaiduOCR(img)
print(f'getCaptcha results {text}')
return text.replace(' ','')

def Xk(CourseId, lock):
print(f'Xk 怎么会死锁? {lock.locked()}')
with lock:
data = {
"optype": "true",
"operator0": f"{CourseId}:true:0",
"captcha_response": getCaptcha()
}
r = requests.post(r'', data = data, headers=headers)
print(f'Xk status_code {r.status_code}')
return htag.sub(' ', space.sub('', r.text))

def Xk2S(CourseId, lock):
i = 3
ord = 1
while i >= 0:
st = Xk(CourseId, lock)
if '选课成功' in st:
    print(f'Xk2S 第{ord}次选课成功!')
    return True
else:
    print(f'Xk2S 第{ord}次选课:')
    print(st)
    assert '选课失败:公选人数已满' not in st, 'Xk2S 公选人数已满 无法继续'
    assert '选课失败:你已经选过' not in st, 'Xk2S 选课成功 无需继续'
    if '操作失败:验证码错误' not in st: i -= 1
ord += 1
else:
return False
#PHPM110047.01

from headers import headers

def getCourse(Form):
Courses = getXkList(getData(Form))
while not Courses:
print(f'getCourse 想必是要死循环了 {Courses}')
time.sleep(random.randint(5,16)/2)
Courses = getXkList(getData(Form))
        
print (Courses)
for Course in Courses:
if Course[1] in Form['lessonNo']:
    print (Course)
    return Course
assert False, 'getCourse 出现未知错误,请重试!'

def isSuccessful(Form):
time.sleep(5)
Courses = getXkList(getData())
print (Courses)
for Course in Courses:
if Course[1] == Form['lessonNo']:
    print (Course)
    return True
return False

#Form['lessonNo'] = 'PEDU110091.19'

def start(lessonNo, lock, event):
Form = {
"lessonNo": lessonNo,
"courseCode": "",
"courseName": ""
}
time.sleep(random.randint(0,50)/10)
print(f'start {lessonNo} {id(lock)} {id(event)}')
while True:
try :
    Course = getCourse(Form)
    if Course[3][0] < Course[3][1]:
        if Xk2S(Course[0], lock) and isSuccessful(Form):
            print(f'主循环 选课成功 {time.ctime(time.time())}')
            break
        else:
            print(f'主循环 选课失败 继续尝试 {time.ctime(time.time())}')
    else:
        print(f'主循环 人数已达上限 继续等待 {time.ctime(time.time())}')
    event.set()
    time.sleep(random.randint(20,50)/5)
except requests.ConnectionError:
    print('网络超时, 延时等待1分钟')
    for i in range(6):
        event.set()
        time.sleep(10)

printf = print
def wrapprint(*args, **kw):
printf(threading.current_thread().name, ":",end='')
printf(*args, **kw)
print = wrapprint

import threading, time, ctypes, inspect

def _async_raise(tid, exctype):
"""raises the exception, performs cleanup if needed"""
tid = ctypes.c_long(tid)
if not inspect.isclass(exctype):
exctype = type(exctype)
res = ctypes.pythonapi.PyThreadState_SetAsyncExc(tid, ctypes.py_object(exctype))
if res == 0:
#raise ValueError("invalid thread id")
return "ValueError: invalid thread id"
elif res != 1:
# """if it returns a number greater than one, you're in trouble,
# and you should call it again with exc=NULL to revert the effect"""
ctypes.pythonapi.PyThreadState_SetAsyncExc(tid, None)
#raise SystemError("PyThreadState_SetAsyncExc failed")
return "SystemError: PyThreadState_SetAsyncExc failed"
return "success!"
def startThread(tasks, timeout=35):
lock = threading.Lock()
tasks = [(target, args, threading.Event()) for target,args in tasks]
#for task in tasks: task['args'] = task.get('args',()) + (lock, watchdog)
threads = [[threading.Thread(target=target, args=args+(lock, event)), event] for target,args,event in tasks]
#if threads: timeout = timeout // len(threads) + 1
for t,event in threads: t.setDaemon(True)
for t,event in threads: t.start()
print('startThread 守护线程开始执行!')
counter = 1
while any(t.is_alive() for t,event in threads):
print(f'startThread 守护线程第{counter}轮 开始 {time.ctime(time.time())}')
time.sleep(timeout)
for t,event in threads:
    if not event.isSet() and t.is_alive(): break
    time.sleep(0.1)
else: print(f'startThread 守护线程第{counter}轮 正常 {time.ctime(time.time())}'); counter += 1;continue
print(f'startThread 守护线程第{counter}轮 发生异常,准备重启... {time.ctime(time.time())}')
lock = threading.Lock()
restart = []
for i,one in enumerate(threads):
    t, event = one
    if not t.is_alive(): print(f'startThread 线程自然退出,忽略 {t.name}'); continue
    if event.isSet(): event.clear()
    else:
        print(f'startThread 正在结束线程 {t.name} {_async_raise(t.ident, SystemExit)}')
        target,args,event = tasks[i]
        t = threads[i][0] = threading.Thread(target=target, args=args+(lock, event))
        t.setDaemon(True)
        restart.append(t) 
for t in restart: t.start(); print(f'startThread 启动替代线程 {t.name}')
del restart
print('startThread 守护线程准备退出中...')
for t,event in threads:
if t.is_alive(): print(f'startThread 正在结束线程 {t.name} {_async_raise(t.ident, SystemExit)}')
print('startThread 守护线程已退出!')

from FDUxk1 import start

cl = [] 
#cl.append('PEDU110091.19') #乒乓球
cl.append('PHPM110047.01') #医院经营管理
#cl.append('TOUR110001.01') #旅游与经济管理
cl.append('PTSS110016.01') #当代世界经济与政治
cl.append('PHIL119056.01') #哲学视野中的人工智能

多线程模块threading的简单使用.md 8.1 KB História Raw

date: 2020-06-19 12:36:19

多线程模块threading的简单使用.md 8.1 KB

História Raw