jinja2

问题 I'm working on a project wherein I load a .csv file into a pandas dataframe and make a .PDF report, using Python 3.6 + pandas + jinja2 + weasyprint. csv -> pandas -> jinja2 -> weasyprint Here's my challenge: One of pandas dataframes contains info that I want to split by the unique entries in one of its columns, and then display separate tables in jinja2 for each of those splits. Sample dataframe: Clothing Color Size 0 Shirt Blue M 1 Shirt Blue L 2 Shirt Black L 3 Pants Black L 4 Pants Blue XL

问题 I'm aware than ansible supports loops in templates in this form: {% for host in groups['all'] %} "{{ host }}"{% if not loop.last %},{% endif %} {% endfor %} When I run ansible, this loops over everything in the hosts file, as one might expect. When I run ansible with the --limit command line argument, I would like to loop over only the hosts that match the limit. Is there a way to express that loop in jinja2 templates? 回答1: You can use play_hosts variable from vars , for example: {% for host

问题 I want a submit button that displays an icon rather than text. The button is a field in a WTForms form. I am using Bootstrap and Open Iconic for styling and icons. How do I set the submit field to display an icon? class MyForm(Form): submit = SubmitField('') {{ form.submit }} This post refers to an icon method, but I can't find any more information on it. 回答1: The example you linked is using macros provided by Flask-Bootstrap. The macros make it easy to construct forms with Bootstrap, but

问题 I tried to use pip list and pip freeze without success. It might be something obvious but I am not able to find it so far. 回答1: Drop this file as ./action_plugins/jin_ver.py : from ansible.plugins.action import ActionBase import jinja2 class ActionModule(ActionBase): def run(self, tmp=None, task_vars=None): result = super(ActionModule, self).run(tmp, task_vars) return dict(msg=jinja2.__version__) And execute this playbook ./test_jin.yaml : --- - hosts: localhost gather_facts: no tasks: -

问题 I'm building a blog from start for a homework assignment in Google App Engine in python and I'm using jinja2 to render my html. My problem is that like every blog when an entry is too long; the blog just renders a part of the entry in the main page. I want to do that, when the main page is rendered I took the post from the database and pasted it to jinja. Are there any filters or functions to tell jinja, for example, this string can not be longer than x number? 回答1: Look at docs Jinja2 has

问题 I'm building a blog from start for a homework assignment in Google App Engine in python and I'm using jinja2 to render my html. My problem is that like every blog when an entry is too long; the blog just renders a part of the entry in the main page. I want to do that, when the main page is rendered I took the post from the database and pasted it to jinja. Are there any filters or functions to tell jinja, for example, this string can not be longer than x number? 回答1: Look at docs Jinja2 has

问题 I want to display the Port status dynamically. I don't want to reload the page to see a new value. I know how to get the Port status in Python(using uiApi() ). Right now I render a template with the value and show the values in HTML table. How can I continually update the table with a value from Flask? I have the AJAX and jquery available. The Flask Code is give below: @app.route('/') def show_auth(): tData = uiApi() .. return render_template('show_auth.html', tMain=tData) The {{field}} in

问题 I am trying to build a website with Flask and I have been encountered a jinja2.exceptions.TemplateSyntaxError: Encountered unknown tag 'endfor'. Jinja was looking for the following tags: 'endblock'. The innermost block that needs to be closed is 'block' error. When I try to log into my local webpage with localhost:5000 I get the above error. I have read through the traceback error and it seems to be occurring on line 21 of my index.html file. {% block content %} <h1>Hi, {{ current_user

问题 I am trying to iterate a list ["abc","def","ghi"] & each iteration generates a list which i need to set it to a variable in ansible. here is my current script: - name: add checks set_fact: CHECKS: "{% for cKey in checkKey %} {{ CHECKS|default([]) }} + {{ CHECKSMAP | map(attribute=cKey ) | list |join(',')}} {% endfor %}" which generates the following output which is a string & not a list how can i append to the single list similar to list += temp_list in a for loop ok: [127.0.0.1] => { "msg":

问题 I am templating a file with a set of variables in Ansible. A few entries in my defaults/main.yaml file are : jenkins_plugins: 'ant': '1.8' 'antisamy-markup-formatter': '1.5' 'apache-httpcomponents-client-4-api': '4.5.3-2.1' 'kubernetes': '1.3' One of this key-value pair is supposed to be injected in this line in my template file config.xml.j2 : <markupFormatter class="hudson.markup.RawHtmlMarkupFormatter" plugin="antisamy-markup-formatter@{{ jenkins_plugins.antisamy-markup-formatter }}"> So