小编use*_*097的帖子

背景:

列出IAM用户的AWS操作默认返回最大值50.

阅读下面的文档(链接),我运行了以下代码,并通过将"MaxItems"设置为1000来返回完整的设置数据.

paginator = client.get_paginator('list_users')
response_iterator = paginator.paginate(
 PaginationConfig={
     'MaxItems': 1000,
     'PageSize': 123})
for page in response_iterator:
    u = page['Users']
    for user in u:
        print(user['UserName'])

http://boto3.readthedocs.io/en/latest/guide/paginators.html https://boto3.readthedocs.io/en/latest/reference/services/iam.html#IAM.Paginator.ListUsers

题:

例如,如果将"MaxItems"设置为10,那么循环结果的最佳方法是什么？该

我测试了以下但是它只在'IsTruncated'== False之前循环2次迭代并导致"KeyError:'Marker'".不知道为什么会这样,因为我知道有超过200个结果.

marker = None

while True:
    paginator = client.get_paginator('list_users')
    response_iterator = paginator.paginate( 
        PaginationConfig={
            'MaxItems': 10,
            'StartingToken': marker})
    #print(response_iterator)
    for page in response_iterator:
        u = page['Users']
        for user in u:
            print(user['UserName'])
            print(page['IsTruncated'])
            marker = page['Marker']
            print(marker)
        else:
            break

谢谢.

使用 Flask-wtf 时应该如何实现日期选择器？

已尝试使用网络上的各种示例，但似乎没有一个起作用。

请参阅代码以了解最新尝试。

from flask import Flask, render_template, session, redirect, url_for, flash
from flask_bootstrap import Bootstrap
from flask_moment import Moment
from flask_wtf import FlaskForm, Form
from wtforms.fields.html5 import DateField
from wtforms import StringField, SubmitField
from wtforms.validators import DataRequired
from wtforms.fields import DateField
from flask_datepicker import datepicker

app = Flask(__name__)
app.config['SECRET_KEY'] = 'hard to guess string'

bootstrap = Bootstrap(app)
moment = Moment(app)

class LoginForm(FlaskForm):
    entrydate = DateField('entrydate')
    submit = SubmitField('Submit')


@app.route('/date', methods=['GET', 'POST'])
def datep():
    form = LoginForm()
    if …