how to sort an array of object in django?

Question

I am making an project with python and django about github profile. I already successful call user github API and it give me like a lot of repos from that user and I want to display like 8 of them and sorted by stars or forks or size of that repo. How can I do that?

Here's an image of my page:

Here is my views.py:

def user(req, username):
    username = str.lower(username)

    # Get User Info

    with urlopen(f'https://api.github.com/users/{username}') as response:
        source = response.read()
    data = json.loads(source)

    # Get Limit Call API

    with urlopen(f'https://api.github.com/rate_limit') as response:
        source = response.read()
    limit_data = json.loads(source)

    # Get User Repo Info
    with urlopen(f'https://api.github.com/users/{username}/repos') as response:
        source = response.read()
    user_repos = json.loads(source)

    def sort_user_repo_by_stars(user_repos):
        return user_repos['stargazers_count']

    user_repos.sort(key=sort_user_repo_by_stars, reverse=True)

    created_at = data['created_at']
    created_at = datetime.datetime.strptime(created_at, "%Y-%m-%dT%H:%M:%SZ")
    created_at = created_at.strftime("%B %d, %Y")

    context = {
        'username': username,
        'data': data,
        'created_at': created_at,
        'limit_data': limit_data,
        'user_repos': user_repos,
    }
    return render(req, 'user.html', context)

and here is my template user.html:

<div class="repos">
    <div class="top-repo">
        <label for="top-repos" class="col-sm-3 col-form-label">Top Repos <span>by </span></label>
        <select class="custom-select bg-light text-primary" name="pick">
            <option selected="stars">stars</option>
            <option value="forks">forks</option>
            <option value="size">size</option>
        </select>
    </div>
    <div class="repo-info">
        {% for repo in user_repos %}
        <div class="card-deck">
            <div class="card shadow">
                <div class="card-body">
                    <h4 class="card-title">{{repo.name}}</h4>
                    <p class="card-text clearfix">
                        <i class="fas fa-circle"></i> {{repo.language}}
                        <i class="fas fa-star"></i> {{repo.stargazers_count}}
                        <i class="fal fa-code-branch"></i> {{repo.forks}}
                        <span class="float-right">{{repo.size}} KB</span>
                    </p>
                </div>
            </div>
        </div>
        {% endfor %}
    </div>
</div>

you also need to show the JSON on which sorting is to be done. — Vishal Singh
– Vishal Singh, Commented Jul 1, 2020 at 5:02
as I see you've already done sorting in your code so what's the problem then? — Vishal Singh
– Vishal Singh, Commented Jul 1, 2020 at 5:08
Ah yes my problem is it's showing all the object in an array and I just want to display like 8 objects on the page. How can I do that? — nathannewyen
– nathannewyen, Commented Jul 1, 2020 at 5:09

Vishal Singh · Accepted Answer · 2020-07-01 05:21:31Z

2

If you only want an array of 8 elements then you can use a slice operator on your list.

context = {
    "username": username,
    "data": data,
    "created_at": created_at,
    "limit_data": limit_data,
    "user_repos": user_repos[:8],
}

edited Jul 1, 2020 at 5:21

answered Jul 1, 2020 at 5:11

Vishal Singh

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4 Comments

nathannewyen Over a year ago

Thank you so much and one last thing I already sorted an array by repo stars but how can I make it like when i clicked to select and I choosed sorted by fork. and it will show repos that sorted by forks?

Vishal Singh Over a year ago

{% for repo in user_repos %} this is evaluated at the server-side so if you need to sort by some other attribute you can either do it using javascript or need to send multiple sorted lists in context and select them using javascript.

nathannewyen Over a year ago

def sort_user_repo_by_stars(user_repos):         return user_repos['stargazers_count']      user_repos.sort(key=sort_user_repo_by_stars, reverse=True)

so this one is sorted by stars

Vishal Singh Over a year ago

@nathannewyen I think you should ask another question for the same to get better insights on what you want to do and what can be achieved.

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