jinja2

问题 I have the following code that is not rendering the way I would like on the html front end. {% for image in images %} {% for title in titles %} <div class="card" style="width: 18rem;"> <img src="{{image}}" class="card-img-top" alt="..."> <div class="card-body"> <h5 class="card-title">{{title}}</h5> <p class="card-text">Some quick example text to build on the card title and make up the bulk of the card's content.</p> <a href="#" class="btn btn-primary">Go somewhere</a> </div> {% endfor %} {%

问题 I'm writing some Jinja2 templates that I'd like to be able to reuse as painlessly as possible in tangentially related projects. I have a set of custom convenience filters that I'd like the templates to "carry around" with them. Is there a Jinja2 syntax for embedding filter definitions into a template itself? Or a mechanism for embedding any kind of pure Python function into a Jinja2 template that can act on variables passed into the template? I used to use mako, and there it was trivial to do

问题 I'm using flask/jinja in order to make a simple web application. I have a table of records which is taken from a db table, and is called by a webpage which loads the list of records. On each row there is a dropdown list (done using the select HTML tag) on a column. I realize the below code doesn't do what its supposed to, currently the last option (fourth) is automatically selected because of the selected tag. I've left it in to try show what I'm trying to implement. Ideally I'd want it to

问题 I'm using flask/jinja in order to make a simple web application. I have a table of records which is taken from a db table, and is called by a webpage which loads the list of records. On each row there is a dropdown list (done using the select HTML tag) on a column. I realize the below code doesn't do what its supposed to, currently the last option (fourth) is automatically selected because of the selected tag. I've left it in to try show what I'm trying to implement. Ideally I'd want it to

问题 $ pip3 install Jinja Collecting Jinja Using cached https://files.pythonhosted.org/packages/df/50/70f41c599cf0ace6c554b07108916513c70d0e950b0abb18c27a865df7a2/Jinja-1.2.tar.gz Complete output from command python setup.py egg_info: Traceback (most recent call last): File "", line 1, in File "/tmp/pip-build-zmxr6gb7/Jinja/setup.py", line 28 except DistutilsError, e: ^ SyntaxError: invalid syntax ---------------------------------------- Command "python setup.py egg_info" failed with error code 1

问题 $ pip3 install Jinja Collecting Jinja Using cached https://files.pythonhosted.org/packages/df/50/70f41c599cf0ace6c554b07108916513c70d0e950b0abb18c27a865df7a2/Jinja-1.2.tar.gz Complete output from command python setup.py egg_info: Traceback (most recent call last): File "", line 1, in File "/tmp/pip-build-zmxr6gb7/Jinja/setup.py", line 28 except DistutilsError, e: ^ SyntaxError: invalid syntax ---------------------------------------- Command "python setup.py egg_info" failed with error code 1

问题 $ pip3 install Jinja Collecting Jinja Using cached https://files.pythonhosted.org/packages/df/50/70f41c599cf0ace6c554b07108916513c70d0e950b0abb18c27a865df7a2/Jinja-1.2.tar.gz Complete output from command python setup.py egg_info: Traceback (most recent call last): File "", line 1, in File "/tmp/pip-build-zmxr6gb7/Jinja/setup.py", line 28 except DistutilsError, e: ^ SyntaxError: invalid syntax ---------------------------------------- Command "python setup.py egg_info" failed with error code 1

问题 Webscraping https://www.nike.com/w/mens-shoes-nik1zy7ok for shoes. Right now I can retrieve the shoes that initially load, and also the shoes that load as you scroll to the next page with the following code: import re import json import requests from bs4 import BeautifulSoup url = 'https://www.nike.com/gb/w/womens-shoes-5e1x6zy7ok' html_data = requests.get(url).text data = json.loads(re.search(r'window.INITIAL_REDUX_STATE=(\{.*?\});', html_data).group(1)) for p in data['Wall']['products']:

问题 I am using WTForms in conjunction with Flask and I would like to integrate the Bootstrap Form Validation for errors in my form. I have a basic login form setup something like this: class LoginForm(FlaskForm): """Login form.""" email = EmailField( "Email Address", validators=[DataRequired(), Email(), Length(min=6, max=40)] ) password = PasswordField( "Password", validators=[DataRequired()] ) def __init__(self, *args, **kwargs): """Create instance.""" super(LoginForm, self).__init__(*args, *

问题 I am using WTForms in conjunction with Flask and I would like to integrate the Bootstrap Form Validation for errors in my form. I have a basic login form setup something like this: class LoginForm(FlaskForm): """Login form.""" email = EmailField( "Email Address", validators=[DataRequired(), Email(), Length(min=6, max=40)] ) password = PasswordField( "Password", validators=[DataRequired()] ) def __init__(self, *args, **kwargs): """Create instance.""" super(LoginForm, self).__init__(*args, *