from pywebio.input import *
inp = input("请填写一下信息")
sle = select("选择按钮", ['Option1', 'Option2'])
ckb = checkbox("Multiple Choices!", options=["a",'b','c','d'])
radio = radio("Select any one", options=['1', '2', '3'])
tar = textarea('Text Area', rows=3, placeholder='Multiple line text input')
# 输入框
input_res = input("please input your name:")
print('browser input is:', input_res)
# 密码框
pwd_res = input("please input your password:", type=PASSWORD)
print('password:', pwd_res)
# 下拉框
select_res = select("please select your city:", ['北京', '西安', '成都'])
print('your city is:', select_res)
# checkbox
checkbox_res = checkbox("please confirm the checkbox:",
options=['agree', 'disagree'])
print('checkbox:', checkbox_res)
# 文本框
text_res = textarea("please input what you want to say:",
rows=3, placeholder='...')
print('what you said is:', text_res)
# 文件上传
upload_res = file_upload(
"please upload what you want to upload:", accept="image/*")
with open(upload_res.get('filename'), mode='wb') as f: # 因为读取的图片内容是二进制，所以要以wb模式打开
f.write(upload_res.get('content'))
print('what you uploaded is:', upload_res.get('filename'))
# 滑动条
sld = slider('这是滑动条', help_text='请滑动选择') # 缺点是不能显示当前滑动的值
toast('提交成功')
print(sld)
# 单选选项
radio_res = radio(
'这是单选',
options=['西安', '北京', '成都']
)
print(radio_res)
# 更新输入项
Country2City = {
'China': ['西安', '北京', '成都'],
'USA': ['纽约', '芝加哥', '佛罗里达'],
}
countries = list(Country2City.keys())
update_res = input_group(
"国家和城市联动",
[
# 当国家发生变化的时候，onchange触发input_update方法去更新name=city的选项，更新内容为Country2City[c]，c代表国家的选项值
select('国家', options=countries, name='country',
onchange=lambda c: input_update('city', options=Country2City[c])),
select('城市', options=Country2City[countries[0]], name='city')
]
)
print(update_res)
print(inp)
print(sle)
print(ckb)
print(radio)
print(tar)---------------------------------------------------------------------------
SessionClosedException Traceback (most recent call last)
/var/folders/w6/9k4dzqlj617f06dfby_vk1pr0000gn/T/ipykernel_4568/3387241143.py in <module>
1 from pywebio.input import *
2
----> 3 inp = input("请填写一下信息")
4 sle = select("选择按钮", ['Option1', 'Option2'])
5 ckb = checkbox("Multiple Choices!", options=["a",'b','c','d'])
/usr/local/anaconda3/envs/py39/lib/python3.9/site-packages/pywebio/input.py in input(label, type, validate, name, value, action, onchange, placeholder, required, readonly, datalist, help_text, **other_html_attrs)
254 return d
255
--> 256 return single_input(item_spec, valid_func, preprocess_func, onchange_func)
257
258
/usr/local/anaconda3/envs/py39/lib/python3.9/site-packages/pywebio/session/__init__.py in inner(*args, **kwargs)
281 return to_coroutine(gen)
282 else:
--> 283 return run_as_function(gen)
284
285 return inner
/usr/local/anaconda3/envs/py39/lib/python3.9/site-packages/pywebio/utils.py in run_as_function(gen)
294 while 1:
295 try:
--> 296 res = gen.send(res)
297 except StopIteration as e:
298 if len(e.args) == 1:
/usr/local/anaconda3/envs/py39/lib/python3.9/site-packages/pywebio/io_ctrl.py in single_input(item_spec, valid_func, preprocess_func, onchange_func)
247
248 spec = dict(label=label, inputs=[item_spec])
--> 249 data = yield input_control(spec=spec,
250 preprocess_funcs={name: preprocess_func},
251 item_valid_funcs={name: valid_func},
/usr/local/anaconda3/envs/py39/lib/python3.9/site-packages/pywebio/session/__init__.py in inner(*args, **kwargs)
281 return to_coroutine(gen)
282 else:
--> 283 return run_as_function(gen)
284
285 return inner
/usr/local/anaconda3/envs/py39/lib/python3.9/site-packages/pywebio/utils.py in run_as_function(gen)
294 while 1:
295 try:
--> 296 res = gen.send(res)
297 except StopIteration as e:
298 if len(e.args) == 1:
/usr/local/anaconda3/envs/py39/lib/python3.9/site-packages/pywebio/io_ctrl.py in input_control(spec, preprocess_funcs, item_valid_funcs, onchange_funcs, form_valid_funcs)
265 :return:
266 """
--> 267 send_msg('input_group', spec)
268
269 data = yield input_event_handle(item_valid_funcs, form_valid_funcs, preprocess_funcs, onchange_funcs)
/usr/local/anaconda3/envs/py39/lib/python3.9/site-packages/pywebio/io_ctrl.py in send_msg(cmd, spec, task_id)
203
204 def send_msg(cmd, spec=None, task_id=None):
--> 205 msg = dict(command=cmd, spec=spec, task_id=task_id or get_current_task_id())
206 get_current_session().send_task_command(msg)
207
/usr/local/anaconda3/envs/py39/lib/python3.9/site-packages/pywebio/session/__init__.py in get_current_task_id()
239
240 def get_current_task_id():
--> 241 return get_session_implement().get_current_task_id()
242
243
/usr/local/anaconda3/envs/py39/lib/python3.9/site-packages/pywebio/session/threadbased.py in get_current_task_id(cls)
306 def get_current_task_id(cls):
307 task_id = super().get_current_task_id()
--> 308 session = cls.get_current_session()
309 if task_id not in session.task_mqs:
310 session.register_thread(threading.current_thread())
/usr/local/anaconda3/envs/py39/lib/python3.9/site-packages/pywebio/session/threadbased.py in get_current_session(cls)
300 raise SessionNotFoundException("Can't find current session. It might be a bug.")
301 if cls.instance.closed():
--> 302 raise SessionClosedException()
303 return cls.instance
304
SessionClosedException:
from pywebio.output import *
from pywebio import session
# 网页上显示纯文本
put_text("Hello friend!")
# 网页上显示表格
put_table([
['Object', 'Unit'],
['A', '55'],
['B', '73'],
])
# 网页上显示 MarkDown
put_markdown('~~PyWebIO~~')
# 网页上显示下载文件的链接
put_file('text.txt', b'You can put anything here')
# 网页上显示图片
put_image(open('test.png', 'rb').read())
# 下载内容
put_button('Click to download', lambda: session.download(
'./text.txt', b'hello world!'))
# 按钮输出
put_buttons(
buttons=['A', 'B'],
onclick=toast
)
# 网页上显示弹窗
# popup('popup title', 'popup text content')
---------------------------------------------------------------------------
SessionClosedException Traceback (most recent call last)
/var/folders/w6/9k4dzqlj617f06dfby_vk1pr0000gn/T/ipykernel_4568/3179816299.py in <module>
3
4 # 网页上显示纯文本
----> 5 put_text("Hello friend!")
6
7 # 网页上显示表格
/usr/local/anaconda3/envs/py39/lib/python3.9/site-packages/pywebio/output.py in put_text(sep, inline, scope, position, *texts)
383 """
384 content = sep.join(str(i) for i in texts)
--> 385 spec = _get_output_spec('text', content=content, inline=inline, scope=scope, position=position)
386 return Output(spec)
387
/usr/local/anaconda3/envs/py39/lib/python3.9/site-packages/pywebio/output.py in _get_output_spec(type, scope, position, **other_spec)
358
359 if not scope:
--> 360 scope_name = get_scope()
361 else:
362 scope_name = scope
/usr/local/anaconda3/envs/py39/lib/python3.9/site-packages/pywebio/output.py in get_scope(stack_idx)
298 """
299 try:
--> 300 return get_current_session().get_scope_name(stack_idx)
301 except IndexError:
302 logger.exception("Scope stack index error")
/usr/local/anaconda3/envs/py39/lib/python3.9/site-packages/pywebio/session/__init__.py in get_current_session()
235
236 def get_current_session() -> "Session":
--> 237 return get_session_implement().get_current_session()
238
239
/usr/local/anaconda3/envs/py39/lib/python3.9/site-packages/pywebio/session/threadbased.py in get_current_session(cls)
300 raise SessionNotFoundException("Can't find current session. It might be a bug.")
301 if cls.instance.closed():
--> 302 raise SessionClosedException()
303 return cls.instance
304
SessionClosedException:
import time
# ========================== 1-输入框的参数 ==============================
# input的更多参数
ipt = input(
'This is label',
type=TEXT,
placeholder='This is placeholder', # 占位
help_text='This is help text', # 提示
required=True, # 必填
datalist=['a1', 'b2', 'c3']) # 常驻输入联想
print('what you input is:',ipt)
# =========================== 2-输入框自定义校验 =============================
# input的合法性校验
# 自定义校验函数
def check_age(n):
if n<1:
return "Too Small!@"
if n>100:
return "Too Big!@"
else:
pass
myAge = input('please input your age:',type=NUMBER,validate=check_age,help_text='must in 1,100')
print('myAge is:',myAge)
# ============================ 3-代码编辑 ============================
# textare的代码模式
code = textarea(
label='这是代码模式',
code={
'mode':'python',
'theme':'darcula',
},
value='import time\n\ntime.sleep(2)'
)
print('code is:',code)
# ============================== 4-输入组 ==========================
def check_age(n):
if n<1:
return "Too Small!@"
if n>100:
return "Too Big!@"
else:
pass
def check_form(datas):
print(datas)
if datas.get("age")==1:
#return 'you are only one years old!'
return ('age','you are only one years old!')
if len(datas.get("name"))<=3:
return ('name','Name Too short!!!')
# 输入组
datas = input_group(
"It's input groups...",
inputs=[
input('please input name',name='name'),
input('please input age',name='age',type=NUMBER,validate=check_age)
],
validate=check_form
)
# ====================================== 5-输入框的action =========================================
def set_today(set_value):
set_value(time.time())
print(time.time())
tt = input('选择时间',action=('Today',set_today),readonly=True)
print(tt)
# ====================================== 5-输入框的弹窗 =========================================
def set_some(set_value): # 此方法可以将选择的英文转换为中文
with popup('It is popup'): # popup 是 output 模块中的方法
put_buttons(['Today','Tomorrow'],onclick=[lambda: set_value('今天','Today1'),lambda:set_value('明天','Tomorrow2')]) # set_value('今天','Today') 按Today的按钮输入Today1，实际对应：今天
put_buttons(['Exit'],onclick=lambda _: close_popup())
pp = input('go popup',type=TEXT,action=('按钮弹窗',set_some))
print(pp)---------------------------------------------------------------------------
SessionClosedException Traceback (most recent call last)
/var/folders/w6/9k4dzqlj617f06dfby_vk1pr0000gn/T/ipykernel_4568/1531760145.py in <module>
4
5 # input的更多参数
----> 6 ipt = input(
7 'This is label',
8 type=TEXT,
/usr/local/anaconda3/envs/py39/lib/python3.9/site-packages/pywebio/input.py in input(label, type, validate, name, value, action, onchange, placeholder, required, readonly, datalist, help_text, **other_html_attrs)
254 return d
255
--> 256 return single_input(item_spec, valid_func, preprocess_func, onchange_func)
257
258
/usr/local/anaconda3/envs/py39/lib/python3.9/site-packages/pywebio/session/__init__.py in inner(*args, **kwargs)
281 return to_coroutine(gen)
282 else:
--> 283 return run_as_function(gen)
284
285 return inner
/usr/local/anaconda3/envs/py39/lib/python3.9/site-packages/pywebio/utils.py in run_as_function(gen)
294 while 1:
295 try:
--> 296 res = gen.send(res)
297 except StopIteration as e:
298 if len(e.args) == 1:
/usr/local/anaconda3/envs/py39/lib/python3.9/site-packages/pywebio/io_ctrl.py in single_input(item_spec, valid_func, preprocess_func, onchange_func)
247
248 spec = dict(label=label, inputs=[item_spec])
--> 249 data = yield input_control(spec=spec,
250 preprocess_funcs={name: preprocess_func},
251 item_valid_funcs={name: valid_func},
/usr/local/anaconda3/envs/py39/lib/python3.9/site-packages/pywebio/session/__init__.py in inner(*args, **kwargs)
281 return to_coroutine(gen)
282 else:
--> 283 return run_as_function(gen)
284
285 return inner
/usr/local/anaconda3/envs/py39/lib/python3.9/site-packages/pywebio/utils.py in run_as_function(gen)
294 while 1:
295 try:
--> 296 res = gen.send(res)
297 except StopIteration as e:
298 if len(e.args) == 1:
/usr/local/anaconda3/envs/py39/lib/python3.9/site-packages/pywebio/io_ctrl.py in input_control(spec, preprocess_funcs, item_valid_funcs, onchange_funcs, form_valid_funcs)
265 :return:
266 """
--> 267 send_msg('input_group', spec)
268
269 data = yield input_event_handle(item_valid_funcs, form_valid_funcs, preprocess_funcs, onchange_funcs)
/usr/local/anaconda3/envs/py39/lib/python3.9/site-packages/pywebio/io_ctrl.py in send_msg(cmd, spec, task_id)
203
204 def send_msg(cmd, spec=None, task_id=None):
--> 205 msg = dict(command=cmd, spec=spec, task_id=task_id or get_current_task_id())
206 get_current_session().send_task_command(msg)
207
/usr/local/anaconda3/envs/py39/lib/python3.9/site-packages/pywebio/session/__init__.py in get_current_task_id()
239
240 def get_current_task_id():
--> 241 return get_session_implement().get_current_task_id()
242
243
/usr/local/anaconda3/envs/py39/lib/python3.9/site-packages/pywebio/session/threadbased.py in get_current_task_id(cls)
306 def get_current_task_id(cls):
307 task_id = super().get_current_task_id()
--> 308 session = cls.get_current_session()
309 if task_id not in session.task_mqs:
310 session.register_thread(threading.current_thread())
/usr/local/anaconda3/envs/py39/lib/python3.9/site-packages/pywebio/session/threadbased.py in get_current_session(cls)
300 raise SessionNotFoundException("Can't find current session. It might be a bug.")
301 if cls.instance.closed():
--> 302 raise SessionClosedException()
303 return cls.instance
304
SessionClosedException:
from pywebio.input import *
from pywebio.output import *
from pywebio.pin import *
from pywebio import start_server
def input_input():
# input的合法性校验
# 自定义校验函数
def check_age(n):
if n<1:
return "Too Small!@"
if n>100:
return "Too Big!@"
else:
pass
myAge = input('please input your age:',type=NUMBER,validate=check_age,help_text='must in 1,100')
print('myAge is:',myAge)
if __name__ == '__main__':
start_server(
applications=[input_input,],
debug=True,
auto_open_webbrowser=True,
remote_access=True,
)---------------------------------------------------------------------------
RuntimeError Traceback (most recent call last)
/var/folders/w6/9k4dzqlj617f06dfby_vk1pr0000gn/T/ipykernel_4568/1331053308.py in <module>
20
21 if __name__ == '__main__':
---> 22 start_server(
23 applications=[input_input,],
24 debug=True,
/usr/local/anaconda3/envs/py39/lib/python3.9/site-packages/pywebio/platform/tornado.py in start_server(applications, port, host, debug, cdn, static_dir, remote_access, reconnect_timeout, allowed_origins, check_origin, auto_open_webbrowser, max_payload_size, **tornado_app_settings)
352 tornado_app_settings['websocket_max_message_size'])
353 tornado_app_settings['debug'] = debug
--> 354 handler = webio_handler(applications, cdn, allowed_origins=allowed_origins, check_origin=check_origin,
355 reconnect_timeout=reconnect_timeout)
356 _, port = _setup_server(webio_handler=handler, port=port, host=host, static_dir=static_dir,
/usr/local/anaconda3/envs/py39/lib/python3.9/site-packages/pywebio/platform/tornado.py in webio_handler(applications, cdn, reconnect_timeout, allowed_origins, check_origin)
235 applications = make_applications(applications)
236 for target in applications.values():
--> 237 register_session_implement_for_target(target)
238
239 cdn = cdn_validation(cdn, 'error') # if CDN is not available, raise error
/usr/local/anaconda3/envs/py39/lib/python3.9/site-packages/pywebio/session/__init__.py in register_session_implement_for_target(target_func)
197
198 if ScriptModeSession in _active_session_cls:
--> 199 raise RuntimeError("Already in script mode, can't start server")
200
201 if cls not in _active_session_cls:
RuntimeError: Already in script mode, can't start server