Jinja list of dictionaries Aug 2, 2018 · Ended up making my own groupby() custom function and passing it into inja2. template: Jul 20, 2022 · I'm working on a backend flask/jinja2 app and I know how to join a list of strings; however, I need to join a list of dictionaries. Get items from Ansible dictionary by key. I've tried using loop|dict2items (the structure isn't a dictionary, & it tells m Dec 13, 2024 · Jinja: Efficient Data Grouping with groupby() 2024-12-13. inside a dictionary using forloop Nov 10, 2013 · How to pass dictionary from Jinja2 (using Python) to Javascript ? I have dictionary in Python and when I render template I need to use that dictionary with Javascript, I passed from Python . ) {{ primaries. Apr 4, 2019 · I'm using Django Version 2. Apr 26, 2017 · Jinja has (at least?) two different ways of sorting the dictionaries. Merging Ansible dictionaries. Mar 30, 2019 · I'm getting different results when using loop vs with_items when trying to iterate over a list of dictionaries. TableName. Filtering: Json containing array of Json objects. Environment(loader=jinja2. recursive. jinja-filters Dec 8, 2016 · I'm trying to retrieve entries from a python dictionary in jinja2, but the problem is I don't know what key I want to access ahead of time - the key is stored in a variable called s. html') self. 4. Jan 7, 2022 · The next option is to iterate the first list. Ansible Jinja template with lists of dictionaries. Follow asked May 5, 2015 at 15:02. Ansible Variable Precedence Hashes. render(values=values)) May 18, 2021 · I have a list of dictionaries like so: [{ submarket: <*submarket_name*>, projects: [{ *list of dictionaries containing project details* }] }] Bascially, each entry in my dictionary is a submarket name followed by a list of that submarket's projects; each project is its own dictionary. If it was a string the returned list will be a list of characters. Mar 23, 2021 · You can also directly use the dictionary's values() method, which is slightly less flexible (the extract approach allows you to filter the keys beforehand, which you can't do here. I would like to use Jinja2 filters to lookup each list item in the dictionary and return the corresponding value, in a list. 1 Dec 1, 2016 · Ansible Jinja template combined list into dict. 2. Here's a sample playbook. Dec 5, 2019 · you could use the map filter on the item. Feb 15, 2021 · I have a list of items, which all appear as keys in a certain dictionary. Template variables are defined by the context dictionary passed to the template. Context object, which is essentially a dictionary of the global variables/functions Jinja - Loop over a dictionary by Jeremy Canfield | Updated: January 16 2024 | Jinja articles Or like this, if the dictionary is in a list, using items(). This said, using loop. One is dictsort and the other is sort. Example data yaml:--- conn: - id: asd peers: - name: r1 - name: r2 - id: dsa peers: - name: r1 - name: r3 - id: sad peers: - name: r2 - name: r4 The output should be [r2,r3] as r1 only has r2 and r3 as peers. upper() %} {{ dict_containing_df. here you can modified few little changes. 3. How to iterate through a list of dictionaries in Jinja template? 3. list_merge Dec 13, 2024 · Jinja Errors and Troubleshooting: When iterating over Dictionaries . Hey all any idea how to access a list of dict ? In Flask: users = [{ 'username': 'john', 'city': 'Toronto' }, { 'username': 'James', 'city': 'Montreal' }] return Feb 20, 2023 · Your outer loop loops over a the net_neighbors dictionary. 1' } Sep 26, 2023 · To iterate through a list of dictionaries in Jinja template with Python Flask, we use a for loop. In those cases, please see the answer by tshalif. iteritems(): # or . Say list contains harry, male, 1994 samuel, male, 1998 it will print Aug 17, 2018 · team_resource is the dictionary that I pass to the template, and in the first loop I can access the first part of the dictionary and print out like Team Starwars and Team helloworld', but can't access the rest of the dict. Add a comment | Related questions. The dictionary where the name is Total should be the last element of the list. I want to join all the dictionaries values, which are strings, into one string I'm not quite sure of the syntax in Jinja2 for this. Input: targets: ["abc", "qwe", "def"] I know that the server will always be xyz. PLAYBOOK: Mar 20, 2019 · I am fairly new to Jinja2 and I have an issue I can't seem to resolve no matter what I try. Iterating over a list of dictionaries in Jinja2 Aug 22, 2017 · comparing length of dictionary in jinja flask template. groupby(Dict, key=itemgetter(group_filter)): Key_list. Final Sep 14, 2022 · Wondering if anyone can help with some Jinja looping! I have a dataset called game_hints_list which is an object property of a ‘game’ class. py def func1(): data = filter() #returns a list of dictionaries return render_template("template1. cards|map(attribute='slot')|list }} Which gives me: ['1', '1', '1', '2', '2'] However, I don't seem to be able to find a way to get a unique list. Given the task: Aug 3, 2010 · Technically, because context is not passed as a named dictionary, a little work is required to generate a list of the context variables from inside a template. This example has val1 and val2: with the content — 1. last , you could conditionally add the comma or not: Jul 9, 2020 · I get stuck and hope you can help me I want to build file based on the following yml file with vars: --- users: - name: "user1" db: - name: ";main" Dec 10, 2021 · Below is my variable list hostlist: - { name: 'host1', ip_addr: '192. So im trying to create an HTML table using Jinja2 from a list of dictionaries (as returned by a Flask SQL select statement). May 12, 2022 · There is, sadly, no such a filter in native Jinja to filter a dictionary or to make a list out of a dictionary, like the answers you found for Ansible, that are using dict2items. 1. items(). : ['1', '2'] So far, I've managed to apply the following: {{ bri. items()[0] ('Fc Paris', {'id': 1538051, 'rank': 2, 'totalpts': 396}) # = x So now we sort the tuples usingx[1]['totalpts'], using reverse=True for a decreasing order. How to lookup a dictionary using a variable key within Jinja template? Here is an example: {% set key = target_db. Ansible. By using loops and accessing dictionary keys, we can easily extract and present information from complex data structures. Jinja2 looping over list of dictionary items. env = jinja2. Then, if you want to work with your catalog data in Jinja, you can create a list of dictionaries or even a dictionary of dictionaries with the keys being the ids of the rows and the values being the rows themselves. Oct 7, 2012 · To sort the dict, we convert it into a list of tuples of (key ,value) using . write(template. 10. Schema. an example of the dict is below. Share. Is a boolean, default to false. native_eval, which is called by NativeTemplate. course. Merge two complex dictionaries in an ansible playbook. Feb 25, 2019 · My Jinja for loop prints the first values of my list the right amount of times, but it is just not getting the right values. Contemplate how creating movies as a list of dictionaries, one dictionary per movie, (think stock holdings in finance?) would significantly simplify the code. render(). Apply map filter to value of dictionary with ansible/jinja2. The idea being: fetch the values from the database that you want to have included in your SELECT query Apr 23, 2024 · Jinja built in map filter can get just one attribute for you, so making a list of dicts into just a list. html", data=data) I have a list of dictionaries where each dict has a boolean entry. I'm trying to use this code snippet in a Django project. items() in Python 3 temp = [] temp. Feb 22, 2023 · I have list of dictionaries i want to count how many times "P" appears in that dictionaries and update total as key and give value count {% set my_list = [ {'key1': "P",'key2': & Mar 7, 2022 · I am newbie to DBT and Jinja. This answer might help if your use case is similar. Jul 31, 2023 · How to iterate through a list of dictionaries in Jinja template? 1. Environment. I am not able to make the list of tuples unique with Jinja. dictsort {% for key, value in dictionary|dictsort %} This way of doing it gives you the key, value pairs directly, without . html ] PYTHO What I want to do is to iterate through the dictionary and show the files as dictionary keys in hyperlink using the corresponding links in the dictionary's values. Apr 27, 2016 · pretty is a function that you define somewhere visible to the code that instantiates the jinja environment. The expression below gives the same result However I am having trouble accessing each dictionary element and its respective key-value pairs in the list in javascript. do extension to your Jinja environment. 168. Ansible filter by attribute contains a value. Example below: - { device: 'spine1', interface: 'GigabitEthernet0/0', ip: '10. Is it possible? key Nov 19, 2021 · You could split the dictionary ansible_facts. globals. general. gene|join(',', attribute='gene')@}}@ @{@ endfor @}@} However, each gene belongs to a dictionary in an array of dictionaries in python, such as Oct 8, 2020 · In my setup, I'd like for a value to either be a string or list of strings coming into the Jinja template. Ansible appears to have a "unique" filter that can do this. please see below. If any of the items contains a space, the output will be broken, and if one of them is " ><script>alert('pwned');</script> "then you'll be XSSed. May 31, 2019 · How parse a list of dictionary and out the values in Ansible? 1. How can I access each key's value (the list)? And show the list items? I want to display a table like this using Jinja. So my problem is I need to double-substitute this variable. The first adapts dasmy's rejectattr-from-list-of-tuples approach to use the dict global function rather than the list filter. template = JINJA_ENVIRONMENT. Dec 12, 2013 · I have a Jinja template with a list of dictionaries. e. com Jun 6, 2024 · Iterating through a list of dictionaries in a Jinja template allows us to dynamically display data in a structured manner. Nov 16, 2016 · The outer loop iterates over the dictionary and the inner loop iterates over the array values. Code to loop on the list of dicts in the j2 template: Sep 25, 2015 · The problem is you are using {% for occurrence in occurrences %}, but you have not set occurrences anywhere. iterate over a len of list in Django Template. Assuming x is one such tuple, x[1] contains the dictionary with the 'totalpts' key. update({'location': node. import jinja2 import itertools from operator import itemgetter def custom_jinja_groupby(Dict, Key_list, Val_list, group_filter, parse_filter): temp_array = [] for key, value in itertools. Flask Jinja2 template dictionary in a dictionary. So I use Jinja2 for an Ansible task as a template to create a file, I have a dictionary defined in the Default Variable Nov 11, 2021 · Big thing to remember is that the main thing that dbt-jinja does is create a string of SQL. Sep 29, 2024 · In this article, we’ll explore these structures, their usage, and how to render them using Jinja2. Provide details and share your research! But avoid …. Please note the variable is set_fact in the ansible playbook. One key/value pair is static and always the same, the other changes value. lists_mergeby filter recursively merge nested hashes. Perfect for pulling out IPs, interfaces, or other attributes within your Jinja templates or Ansible playbooks. I have tried variations of loops but jinja always prints out the entire dictionary:. How to get max/min of a list in a Jinja template? 1. Thus, put HTML in a separate file, such as, top. Mar 29, 2021 · How to iterate through a list of dictionaries in Jinja template? – OrangeDog. What does groupby() do? Groups data This function is used to group a sequence of items (like a list or dictionary) based on a specific criterion. How to loop through dictionary in jinja template. This is far from perfect and has its own limitations. 2024-12-13 {% for key, value in data. Therefor I had to use the sort | uniq | while read loop in Bash. In python this would be: [my_dict[x] for x in my_list] What is the Jinja equivalent? my_list | map(my_dict) does not work. That said, there is clever functionality that lets you query a database before jinja starts to put the string together. So, I want a list of dictionaries each with the contents of that key. 4. Filtering a json dictionary by values Python. general 4. Nov 3, 2021 · I'm trying to create a list of dictionaries, from a list of dictionaries which contains a key with a dictionary as a value. How to get a Python dict into an HTML template using Flask/Jinja2. upper()+"__"+target_db. Commented Feb 6, 2022 at 11:12. sort {% for key, value in dictionary. That's why I changed to one dictionary with lists; I thought would be easier to work with this format, but it wasn't. You can add the new item to the data dictionary by using the {% do %} tag: {% do data. But the template doesn't render any of the data. update() as follows:. 1 "Flattening" a list into dictionary key/value in ansible. I am trying to create a config file for a device using a Jinja2 template and some variable files I have created. items() %} {% endfor %} This code snippet loops through each key-value pair in the data dictionary. How to make the list of tuples unique in Jinja instead? Oct 29, 2020 · How to apply dictionary to list of items with Jinja filter? 0. >>> league. How to Use dict() in Jinja. 0. Nov 4, 2024 · Jinja Tip! Use selectattr to filter a list of dictionaries based on a matching condition. [{key:'value'},{key:'secondValue'}] How to iterate through a list of dictionaries in Jinja template? 9. results -@}@ @{{@ row. 31', hostgrp: 'physical_workstation' } - { name: 'host2', ip_addr: '192. This list has a total of three items, each of which is a dictionary: How to apply dictionary to list of items with Jinja filter? 1. Note: It does not depend on the value of the hash_behaviour setting in ansible. 5. ansible - join pairs of attributes from list of dictionaries Merging two list of dictionaries according to a May 29, 2020 · ChainMap is used to merge a list of dictionaries to a single dictionary. Define a Jinja context function to return the jinja2. items(), and sorts the dictionaries by key. myProperty %} note: Nov 20, 2018 · How to extract and build list of dictionary items using jinja2 filter in ansible. env is the Environment object, e. Nov 25, 2022 · I am installing list of packages in ansible registering variable and outputting it with debug: community. values() | flatten }} Mar 2, 2020 · You dont need to be write extra code for access each item. S. Dec 13, 2024 · Creating Dictionaries dict() is a built-in function in Jinja that allows you to create dictionaries within your templates. That is, for each iteration of your outer loop, interface will be a string like Ethernet0/0, Ethernet0/1, etc. I'm using the selectattr filter, but it returns a I am attempting to use Jinja2 to get a unique list of slots, i. Right now test_list has stored a list of dictionaries (with the key's being the DB columns). I am trying to below variables as String and want to convert it to dictionary/json and iterate over it as a list command to run: dbt --debug run --models run_model --v Oct 21, 2013 · How to iterate through a list of dictionaries in Jinja template? 100. The key variable will hold the dictionary key, and the value variable will hold the corresponding value. However it is treating the list of dict as string and printing the individual characters. Should the community. g. 5. The second approach renders characters that will be interpreted as a dictionary by ast. Right now im using this: Mar 28, 2023 · On occasion, the data you're working with is actually a list of dictionaries. Otherwise, with SaltStack (for example), you will get this error: Unable to manage file: Jinja variable 'dict object' has no attribute '[attributeName]' if you use this approach: {% if settings. start. Basic Usage {% set my_dict = {'key1': 'value1', 'key2': 42, 'key3': ['a', 'list']} %} This creates a dictionary named my_dict with three key-value pairs: key1 is associated with the string 'value1' Apr 30, 2010 · Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question. Nov 15, 2022 · I am trying to make a template for the following yml to jinja template but the list inside the dict is not able to make it can someone help --- documentDB_secgroup: description: " Document Sep 29, 2014 · I am trying to add a comma (using jinja) between a list of items which are in an array of dictionaries in python. How can I get this Dictionary does not support append(). Although is good to know that is possible to work with both formats, I'll try them and see which one suits me best. If you store data_dict as a list or OrderedDict instead of a dict then you can access it by its indices since it has order. Jan 10, 2025 · The filter also accepts two optional parameters: recursive and list_merge. Iterating through Python dictionary with Jinja2. I cannot seem to get it working at all when I am specifying a list of dictionaries for my YAML variable file. Follow answered May 29, 2020 at 11:45. Check if key exists in a Python dict in Jinja2 templates. reddit. I can get the key which is the year, when I try to get the data in the dictionary it's printing the year again. env list to get a list of names each element in the mylst contains. Iterating over a dictionary produces a list of keys. One of them is named like_dict which looks like this : {1: 18} {2: 14} {3: 15} and another is named info which holds my user id. Example: Jan 2, 2015 · This works fine doesn't work in cases involving dictionaries. For instance, we write parent_list = [{'A': 'val1', 'B': 'val2'}, {'C': 'val3', 'D': 'val4'}] Nov 4, 2024 · Jinja Tip! Use selectattr to filter a list of dictionaries based on a matching condition. . Then we write May 1, 2023 · ansible (2. Trying to get a list of all peers to r1. disks into two lists, one containing the size and the other one the friendly name, then apply the human_readable filter to the list containing the size with the map filter, then zip the two lists back together. Some dictionaries have the same value in the field 'id and the field 'name' while they differ in other key value pairs (that are not important for me). Just pass same as dictionary to Jinja Tempalte. html. 0) search list of dictionaries (hashses) generator expression. Less obviously, dot notation can be used to look into dicts of dicts. (Not only is the second approach already more Jun 12, 2018 · How to iterate through a list of dictionaries in Jinja template? 1. for movie in movies: iterates over the members (keys) of movies, thus movie is a string. In the loop select the items from the second list and combine them. append(key) for content in value Mar 27, 2017 · Ansible Jinja template combined list into dict. then if the keyword "n1" is in that list, add to the final_var. Asking for help, clarification, or responding to other answers. But content within the HTML is dynamic since it's pulled from Reddit. Here's an example: {% set ordered May 11, 2019 · I am attempting to loop through a list of dictionaries, using the values of the keys as HTML attributes within the jinja template. 32', hostgrp Jan 31, 2020 · How to iterate through a list of dictionaries in Jinja? As a sidenote to @Navaneethan ‘s answer, Jinja2 is able to do “regular” item selections for the list and the dictionary, given we know the key of the dictionary, or the locations of items in the list. I don't want to use a for loop because that will go through the dictionary way more than is Oct 4, 2021 · I actually receive my data as a list of dictionaries, but when iterating over them I only received on movie. Python dictionaries are unordered. get_template('sm. extend([key,value]) #Note that this will change depending on the structure of your dictionary Table May 24, 2021 · so, I think dict_keys is of type set which doesn't support indexing and also i am not able to use list method (as normally used in python) to convert it to list and then use indexing. St Feb 12, 2019 · I send my dictionary - content - to a template which looks like this. Mar 27, 2019 · The jinja2 template has a piece of code which should iterate over a variable which is a list of dicts. tech/p/recommended. It is possible though. Dec 14, 2022 · I want to sort the whole list of dictionaries alphabetically on the basis of key name but have to exclude the last element of the list, which name is Total. I'd like to reduce the list or lookup values based on the keys/values of the dictionaries. Unstuckify's reply remains valid and relevant to the text of the question I have a list of dictionaries that I want to Jul 5, 2017 · Here are two approaches. Filter list of dictionariers and print value in Ansible/Jinja. You access them by their key to get the value. 0. I am doing the following: @{@ for row in data. Improve this question. FileSystemLoader('')) Apr 11, 2022 · I need to create a list of dictionaries using only Jinja2 from another list, as input. get(key). hows. I want to filter out all those dictionaries that are "duplicates" regarding the 'name' and 'id' fields. So really what I cared about wasn't string vs list, but single item vs multiple items. Dec 4, 2021 · PYTHON : How to iterate through a list of dictionaries in Jinja template? [ Gift : Animated Search Engine : https://www. Oct 4, 2021 · It's not jinja syntax, it's python syntax. cfg. Ansible: Extract a value from a dictionary in a list. I want to print it as a string, expected output: hello {'Names': ['Name1', 'Name2', 'Name3']} Heading is Names # see the Names, it is string Mar 4, 2019 · I am new with Jinja2 maybe my question is noobie but I can't understand it. Praveen Praveen Sep 14, 2021 · EDIT Upon finding the solution, I changed the title to better reflect the issue. Inside content is multiple dictionaries. The easiest fix is to loop through the items of the dictionary, then you have they key (model) and value (list of fields) at the same time. How to parse a nested dictionary with Jinja2. What is a Dictionary of Lists? A dictionary of lists is a data structure where: Each key in Oct 25, 2024 · Use Jinja's map to extract specific values from a list of dictionaries. List of dictionaries in jinja. Improve this answer. Python: Merge two dictionaries. # List of dictionaries bands: - name For instance, each row of your catalog can be treated as a dictionary, with the names of columns serving as keys. 7. parent_list = [{'A': 'val1', 'B': 'val2'}, {'C': 'val3', 'D': 'val4'}] to create the parent_list list of dicts. Filter Jinja list by key existence. This is available since community. 1 and 2. Order matters. location}) %} However, for the do tag to work properly you need to add the jinja2. # Input data interfaces: - { device: 'spine1', interface: 'GigabitEthernet0 Feb 1, 2018 · I have a list of dictionary items I am looping over. I've verified the data is correct when I pass it in to the render_template function in the routes file. counter0 in Jinja template. I use this code to sort it: Sep 26, 2023 · How to iterate through a list of dictionaries in Jinja template with Python Flask? To iterate through a list of dictionaries in Jinja template with Python Flask, we use a for loop. This is where Jinja filtering comes in handy. stamaimer Mar 10, 2013 · -1; this is broken and insecure in the general case, and there is only a narrow set of circumstances in which using it is okay. One approach is to cleanly separate processing logic from the HTML. homebrew: name: "{{ package }}" state: present register: Nov 9, 2017 · I am trying to compose a list from a list of dicts of lists but am failing. The python would be: Table = [] for key, value in results_dict. response. Dec 12, 2013 · I've had better luck putting the dictionary into a list of lists, then have the html loop through the list and print the table. For instance, we write. Nov 18, 2021 · Based on your sample data and expected o/p, I assume you want the output like this: B. , Full-type, aus MCA, Full-type, aus If this is the case, what you want is to print each list item row by row and to print each dictionary item's value one by one separated by , except last value. I want to display the items that are True, along with the count of those items. 7,jinja2 and i trying to iterate list inside a dictionary using forloop. to_html() | safe }} See full list on bobbyhadz. They do not have set indices. ext. This criterion is often a key or attribute of the items. 1. items()|sort(attribute="sort_by_?") May 5, 2015 · Is there another method to access the element in the list in jinja? jinja2; Share. Is it possible to convert list of primitives to list of dicts using Jinja2 using list/map comprehensions? Given this structure: list: - some_val - some_val_2 Apply map on every element to obtain: list: - statically_added: some_val - statically_added: some_val_2 Jul 8, 2017 · Jinja List Issue. Mar 1, 2020 · I have a list of dictionaries in an ansible variable. kzjb evmh iuv bzcns zcl guermq wqydr eknbjl vwkgu gdwo