Bump to 0.12

Updates jSignature.js to newest version
Update badges
2022-04-27 17:00:23 +02:00 · 2022-04-27 16:53:44 +02:00 · 2022-01-17 14:18:10 +01:00 · 2022-01-17 14:07:09 +01:00 · 2022-01-17 14:02:35 +01:00 · 2022-01-17 14:02:35 +01:00
45 changed files with 874 additions and 337 deletions
--- a/.github/workflows/actions.yml
+++ b/.github/workflows/actions.yml
@@ -0,0 +1,66 @@
+name: Run Tests
+
+on: [ push, pull_request ]
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        django_version:
+          - '2.2'
+          - '3.2'
+          - '4.0'
+        python-version:
+          - 3.6
+          - 3.7
+          - 3.8
+          - 3.9
+          - "3.10"
+        exclude:
+          - django_version: '2.2'
+            python-version: '3.10'
+
+          - django_version: '4.0'
+            python-version: '3.6'
+
+          - django_version: '4.0'
+            python-version: '3.7'
+
+    env:
+      GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+
+    steps:
+      - uses: actions/checkout@v2
+
+      - name: Set up Python ${{ matrix.python-version }}
+        uses: actions/setup-python@v2
+        with:
+          python-version: ${{ matrix.python-version }}
+
+      - name: Cache pip
+        uses: actions/cache@v2
+        with:
+          # This path is specific to Ubuntu
+          path: ~/.cache/pip
+          key: ${{ runner.os }}-pip-${{ matrix.python-version }}-${{ matrix.django_version }}
+
+      - name: Install dependencies
+        run: |
+          python -m pip install --upgrade pip
+          pip install -e .
+          pip install -U flake8 coveralls argparse
+          pip install -U Django~=${{ matrix.django_version }}
+
+      - name: Lint with flake8
+        run: flake8 --ignore=E501,W504 jsignature
+
+      - name: Test Django
+        run: |
+          python -W error::DeprecationWarning -W error::PendingDeprecationWarning \
+            -m coverage run ./runtests.py
+
+      - name: Coverage
+        if: ${{ success() }}
+        run: |
+          coveralls --service=github
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,8 @@
 *.pyc
 .coverage
 htmlcov
+*.egg-info
+.tox
+example.db
+/dist
+/build
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,19 +0,0 @@
-language: python
-
-python:
-  - "2.7"
-
-env:
-  - DJANGO_VERSION=1.4
-  - DJANGO_VERSION=1.5
-
-install:
-  - pip install -r requirements.txt --use-mirrors
-  - pip install -q Django==$DJANGO_VERSION --use-mirrors
-  - pip install coverage
-
-script: coverage run quicktest.py jsignature
-
-after_success:
- - pip install coveralls
- - coveralls
--- a/40
+++ b/40
@@ -2,6 +2,46 @@
 CHANGELOG
 =========

+0.11 (2022-01-17)
+==================
+
+** New **
+
+- Django 4.0 compatibility.
+- Moved to Github Actions for testing.
+- Added flake8 in CI.
+- Dropped support for python < 3.6
+- Dropped support for Django 1.11, 2.0, 2.1, 3.0, 3.1.
+
+
+0.10 (2020-07-26)
+==================
+
+** New **
+
+- Add template filter to easily render a signature structure as base64 url.
+- Add a full example of front-office usage.
+
+
+0.9 (2020-04-18)
+==================
+
+** New **
+
+- Add support for Django 2+
+- Drop support for Django<1.11
+- Add a ``JSIGNATURE_JQUERY`` settings to handle usage in admin in Django 2.1+
+
+
+0.8 (2014-12-04)
+==================
+
+** New **
+
+- Add support for Python 3 (@Gagaro)
+- Add support for Django 1.7 (@Gagaro)
+
+
 0.7.6 (2014-11-26)
 ==================

--- a/README.rst
+++ b/README.rst
@@ -5,28 +5,32 @@ It provides:
 * A form field and a form widget to handle jquery plugin through a Django form;
 * A model field to store a captured signature;
 * A mixin adding two fields (signature / signature_date) in any of your Django models.
+* A template filter to render signatures as base64 image urls.

-.. image:: https://travis-ci.org/fle/django-jsignature.png?branch=master
-        :target: https://travis-ci.org/fle/django-jsignature
+.. image:: https://img.shields.io/pypi/v/django-jsignature.svg
+    :target: https://pypi.python.org/pypi/django-jsignature/
+    :alt: Latest PyPI version

-.. image:: https://coveralls.io/repos/fle/django-jsignature/badge.png
-       :target: https://coveralls.io/r/fle/django-jsignature
+.. image:: https://github.com/fle/django-jsignature/actions/workflows/actions.yml/badge.svg
+    :target: https://github.com/fle/django-jsignature/actions
+    :alt: Build status

+.. image:: https://coveralls.io/repos/github/fle/django-jsignature/badge.svg?branch=master
+    :target: https://coveralls.io/github/fle/django-jsignature?branch=master
+    :alt: Coverage status

 .. image:: https://github.com/fle/django-jsignature/blob/master/screen.png

 ==================
-INSTALL
+Installation
 ==================

-For now:
-
 ::

    pip install django-jsignature

 ==================
-USAGE
+Usage
 ==================

 * Add ``jsignature`` to your ``INSTALLED_APPS``:
@@ -39,51 +43,50 @@ USAGE
        'jsignature',
    )

-* Use provided form field and widget:
+* Use provided model field (for easy storage):

 ::

-    # forms.py
-    from django import forms
-    from jsignature.forms import JSignatureField
+    # models.py
+    from django.db import models
+    from jsignature.fields import JSignatureField

-    class SignatureForm(forms.Form):
+    class SignatureModel(models.Model):
        signature = JSignatureField()

-* In your template
+* In your form template

 ::

    {{ form.media }}
-    <form action="." method="POST">
-        {% for field in form %}
-            {{ field.label_tag }}
-            {{ field }}
-        {% endfor %}
-        <input type="submit" value="Save"/>
+    <form action="" method="post">
+        {{ form }}
+        <input type="submit" value="Save" />
        {% csrf_token %}
    </form>

-* Render image after form validation:
+* Render image from db value in your display template:

 ::

-    # views.py
-    from jsignature.utils import draw_signature
-    from myapp.forms import SignatureForm
+    {# yourtemplate.html #}
+    {% load jsignature_filters %}

-    def my_view(request):
-        form = SignatureForm(request.POST or None)
-        if form.is_valid():
-            signature = form.cleaned_data.get('signature')
-            if signature:
-                # as an image
-                signature_picture = draw_signature(signature)
-                # or as a file
-                signature_file_path = draw_signature(signature, as_file=True)
+    <img src="{{ obj.signature|signature_base64 }}" alt="{{ obj }}" />
+
+
+*   By default, jSignature is made to work outside of admin, requiring that
+    you include the jQuery library in your ``<head>``.
+
+    If you want to use jSignature in the Django admin site, set the
+    ``JSIGNATURE_JQUERY`` setting to ``admin``. Otherwise if set to any url
+    pointing to jQuery, it will be automatically included.
+
+    It is strongly suggested to take example from ``example_project``, which is
+    `located in this repo <https://github.com/fle/django-jsignature/tree/master/example_project>`_

 ==================
-CUSTOMIZATION
+Customization
 ==================

 JSignature plugin options are available in python:
@@ -118,10 +121,11 @@ Available settings are:
 * ``JSIGNATURE_RESET_BUTTON`` (ResetButton)

 ==================
-IN YOUR MODELS
+In your models
 ==================

-If you wan to store signatures, provided mixin gives a ``signature`` and a ``signature_date`` that update themselves:
+If you want to store signatures easily, a provided mixin gives a ``signature``
+and a ``signature_date`` that update themselves:

 ::

@@ -133,10 +137,69 @@ If you wan to store signatures, provided mixin gives a ``signature`` and a ``sig


 ==================
-AUTHORS
+In your forms
 ==================

-    * Florent Lebreton <florent.lebreton@makina-corpus.com>
+* If you need more precise handling of the form field, you can use it directly:
+
+::
+
+    # forms.py
+    from django import forms
+    from jsignature.forms import JSignatureField
+
+    class SignatureForm(forms.Form):
+        signature = JSignatureField()
+
+
+* And upon saving, have direct access to the image with ``draw_signature()``
+
+::
+
+    # views.py
+    from jsignature.utils import draw_signature
+    from myapp.forms import SignatureForm
+
+    def my_view(request):
+        form = SignatureForm(request.POST or None)
+        if form.is_valid():
+            signature = form.cleaned_data.get('signature')
+            if signature:
+                # as an image
+                signature_picture = draw_signature(signature)
+                # or as a file
+                signature_file_path = draw_signature(signature, as_file=True)
+
+
+==================
+Example project
+==================
+
+If you want to have a demo of this package, just use the example project:
+
+::
+
+    git clone https://github.com/fle/django-jsignature.git
+    cd django-jsignature
+    python -m venv venv
+    source venv/bin/activate
+    pip install -r requirements.txt
+    pip install -e .
+    cd example_project
+    ./manage.py migrate
+    ./manage.py createsuperuser
+
+Fill the user info, launch django with ``./manage.py runserver`` and head over
+to `http://127.0.0.1:8000/ <http://127.0.0.1:8000/>`_, you can also
+`login to the admin <http://127.0.0.1:8000/admin>`_ with the credentials your
+provided.
+
+==================
+Authors
+==================
+
+    * Florent Lebreton <florent.lebreton@makina-corpus.com> (original author)
+    * Sébastien Corbin <sebastien.corbin@makina-corpus.com> (maintainer)

 |makinacom|_

--- a/example_project/init.py
+++ b/example_project/init.py
--- a/example_project/admin.py
+++ b/example_project/admin.py
@@ -0,0 +1,5 @@
+from django.contrib import admin
+
+from .models import ExampleModel
+
+admin.site.register(ExampleModel)
--- a/example_project/manage.py
+++ b/example_project/manage.py
@@ -0,0 +1,10 @@
+#!/usr/bin/env python
+import os
+import sys
+
+if __name__ == "__main__":
+    os.environ.setdefault("DJANGO_SETTINGS_MODULE", "settings")
+
+    from django.core.management import execute_from_command_line
+
+    execute_from_command_line(sys.argv)
--- a/example_project/migrations/0001_initial.py
+++ b/example_project/migrations/0001_initial.py
@@ -0,0 +1,26 @@
+# Generated by Django 3.0.5 on 2020-04-18 12:18
+
+from django.db import migrations, models
+import jsignature.fields
+
+
+class Migration(migrations.Migration):
+
+    initial = True
+
+    dependencies = [
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='ExampleModel',
+            fields=[
+                ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('signature', jsignature.fields.JSignatureField(blank=True, null=True, verbose_name='Signature')),
+                ('signature_date', models.DateTimeField(blank=True, null=True, verbose_name='Signature date')),
+            ],
+            options={
+                'abstract': False,
+            },
+        ),
+    ]
--- a/example_project/migrations/init.py
+++ b/example_project/migrations/init.py
--- a/example_project/models.py
+++ b/example_project/models.py
@@ -0,0 +1,5 @@
+from jsignature.mixins import JSignatureFieldsMixin
+
+
+class ExampleModel(JSignatureFieldsMixin):
+    pass
--- a/example_project/settings.py
+++ b/example_project/settings.py
@@ -0,0 +1,67 @@
+import os
+
+BASE_DIR = os.path.abspath(os.path.dirname(__file__))
+
+DEBUG = True
+
+ALLOWED_HOSTS = ['*']
+
+MANAGERS = ADMINS = ()
+
+DATABASES = {
+    'default': {
+        'ENGINE': 'django.db.backends.sqlite3',
+        'NAME': os.path.join(BASE_DIR, 'example.db'),
+        'USER': '',
+        'PASSWORD': '',
+        'HOST': '',
+        'PORT': '',
+    }
+}
+
+SECRET_KEY = 'notsosecret'
+
+MIDDLEWARE = (
+    'django.contrib.sessions.middleware.SessionMiddleware',
+    'django.middleware.common.CommonMiddleware',
+    'django.middleware.csrf.CsrfViewMiddleware',
+    'django.contrib.auth.middleware.AuthenticationMiddleware',
+    'django.contrib.messages.middleware.MessageMiddleware',
+    'django.middleware.clickjacking.XFrameOptionsMiddleware',
+)
+
+TEMPLATES = [
+    {
+        'BACKEND': 'django.template.backends.django.DjangoTemplates',
+        'APP_DIRS': True,
+        'OPTIONS': {
+            'context_processors': (
+                "django.template.context_processors.request",
+                "django.contrib.auth.context_processors.auth",
+                "django.template.context_processors.debug",
+                "django.template.context_processors.i18n",
+                "django.template.context_processors.media",
+                "django.template.context_processors.static",
+                "django.template.context_processors.tz",
+                "django.contrib.messages.context_processors.messages",
+            ),
+        },
+    },
+]
+
+ROOT_URLCONF = 'example_project.urls'
+
+INSTALLED_APPS = (
+    'django.contrib.auth',
+    'django.contrib.admin',
+    'django.contrib.contenttypes',
+    'django.contrib.sessions',
+    'django.contrib.staticfiles',
+    'django.contrib.messages',
+    'jsignature',
+    'example_project',
+)
+
+STATIC_URL = '/static/'
+
+JSIGNATURE_JQUERY = 'admin'
--- a/example_project/templates/base.html
+++ b/example_project/templates/base.html
@@ -0,0 +1,39 @@
+<!doctype html>
+<html lang="en">
+<head>
+  <!-- Required meta tags -->
+  <meta charset="utf-8">
+  <meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">
+
+  <!-- Bootstrap CSS -->
+  <link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/bootstrap/4.3.1/css/bootstrap.min.css" integrity="sha384-ggOyR0iXCbMQv3Xipma34MD+dH/1fQ784/j6cY/iJTQUOhcWr7x9JvoRxT2MZw1T" crossorigin="anonymous">
+
+  <title>Example project</title>
+</head>
+<body>
+<nav class="navbar navbar-expand-lg navbar-light bg-light">
+  <div class="container">
+    <ul class="navbar-nav">
+      <li class="nav-item">
+        <a class="nav-link" href="{% url 'admin:index' %}">Admnistration</a>
+      </li>
+      <li class="nav-item">
+        <a class="nav-link" href="{% url 'list' %}">List</a>
+      </li>
+      <li class="nav-item">
+        <a class="nav-link" href="{% url 'create' %}">Create</a>
+      </li>
+    </ul>
+  </div>
+</nav>
+
+<div class="container">
+    {% block content %}{% endblock %}
+  </div>
+
+  <script src="https://code.jquery.com/jquery-3.3.1.slim.min.js" integrity="sha384-q8i/X+965DzO0rT7abK41JStQIAqVgRVzpbzo5smXKp4YfRvH+8abtTE1Pi6jizo" crossorigin="anonymous"></script>
+  <script src="https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.14.7/umd/popper.min.js" integrity="sha384-UO2eT0CpHqdSJQ6hJty5KVphtPhzWj9WO1clHTMGa3JDZwrnQq4sF86dIHNDz0W1" crossorigin="anonymous"></script>
+  <script src="https://stackpath.bootstrapcdn.com/bootstrap/4.3.1/js/bootstrap.min.js" integrity="sha384-JjSmVgyd0p3pXB1rRibZUAYoIIy6OrQ6VrjIEaFf/nJGzIxFDsf4x0xIM+B07jRM" crossorigin="anonymous"></script>
+  {% block extra_media %}{% endblock %}
+</body>
+</html>
--- a/example_project/templates/example_project/examplemodel_form.html
+++ b/example_project/templates/example_project/examplemodel_form.html
@@ -0,0 +1,14 @@
+{% extends "base.html" %}
+
+{% block extra_media %}
+  {{ form.media }}
+{% endblock %}
+
+{% block content %}
+  <form action="" method="post">
+    {{ form }}
+    <input type="submit" value="Save" class="btn btn-success" />
+    <a href="{% url 'list' %}" class="btn btn-danger">Cancel</a>
+    {% csrf_token %}
+  </form>
+{% endblock %}
--- a/example_project/templates/example_project/examplemodel_list.html
+++ b/example_project/templates/example_project/examplemodel_list.html
@@ -0,0 +1,24 @@
+{% extends "base.html" %}{% load jsignature_filters %}
+
+{% block content %}
+  <h1>List</h1>
+
+  <ul>
+    {% for obj in object_list %}
+      <li>
+        <dl>
+          <dt>Raw data (from db)</dt>
+          <dd>{{ obj.signature }}</dd>
+          <dt>As image</dt>
+          <dd>
+            <img src="{{ obj.signature|signature_base64 }}" alt="{{ obj }}" />
+            <a href="{% url 'update' obj.pk %}" class="btn btn-primary">
+              Update
+            </a>
+          </dd>
+        </dl>
+      </li>
+    {% endfor %}
+  </ul>
+  <a href="{% url 'create' %}" class="btn btn-primary">Create</a>
+{% endblock %}
--- a/example_project/urls.py
+++ b/example_project/urls.py
@@ -0,0 +1,13 @@
+from __future__ import unicode_literals
+
+from django.contrib import admin
+from django.urls import path
+
+from example_project import views
+
+urlpatterns = [
+    path('', views.ExampleListView.as_view(), name='list'),
+    path('create', views.ExampleCreateView.as_view(), name='create'),
+    path('update/<int:pk>', views.ExampleUpdateView.as_view(), name='update'),
+    path('admin', admin.site.urls),
+]
--- a/example_project/views.py
+++ b/example_project/views.py
@@ -0,0 +1,20 @@
+from django.urls import reverse_lazy
+from django.views import generic
+
+from example_project.models import ExampleModel
+
+
+class ExampleCreateView(generic.CreateView):
+    model = ExampleModel
+    fields = '__all__'
+    success_url = reverse_lazy('list')
+
+
+class ExampleUpdateView(generic.UpdateView):
+    model = ExampleModel
+    fields = '__all__'
+    success_url = reverse_lazy('list')
+
+
+class ExampleListView(generic.ListView):
+    model = ExampleModel
--- a/jsignature/fields.py
+++ b/jsignature/fields.py
@@ -3,11 +3,21 @@
    with jSignature jQuery plugin
 """
 import json
+
 from django.db import models
 from django.core.exceptions import ValidationError
+
 from .forms import (
    JSignatureField as JSignatureFormField,
-    JSIGNATURE_EMPTY_VALUES)
+    JSIGNATURE_EMPTY_VALUES,
+)
+
+try:
+    from django.utils import six
+
+    string_types = six.string_types
+except ImportError:
+    string_types = str


 class JSignatureField(models.Field):
@@ -15,7 +25,6 @@ class JSignatureField(models.Field):
    A model field handling a signature captured with jSignature
    """
    description = "A signature captured with jSignature"
-    __metaclass__ = models.SubfieldBase

    def get_internal_type(self):
        return 'TextField'
@@ -37,7 +46,7 @@ class JSignatureField(models.Field):
    def get_prep_value(self, value):
        if value in JSIGNATURE_EMPTY_VALUES:
            return None
-        elif isinstance(value, basestring):
+        elif isinstance(value, string_types):
            return value
        elif isinstance(value, list):
            return json.dumps(value)
@@ -47,9 +56,3 @@ class JSignatureField(models.Field):
        defaults = {'form_class': JSignatureFormField}
        defaults.update(kwargs)
        return super(JSignatureField, self).formfield(**defaults)
-
-try:
-    from south.modelsinspector import add_introspection_rules
-    add_introspection_rules([], ["jsignature.fields.JSignatureField"])
-except ImportError:
-    pass
--- a/jsignature/mixins.py
+++ b/jsignature/mixins.py
@@ -2,9 +2,10 @@
    A django mixin providing fields to store a signature captured
    with jSignature jQuery plugin
 """
+import json
 from datetime import datetime
 from django.db import models
-from django.utils.translation import ugettext_lazy as _
+from django.utils.translation import gettext_lazy as _
 from .fields import JSignatureField


@@ -28,7 +29,7 @@ class JSignatureFieldsMixin(models.Model):
        original = not is_new and self.__class__.objects.get(pk=self.pk)

        if self.signature:
-            if is_new or self.signature != original.signature:
+            if is_new or json.dumps(self.signature) != original.signature:
                self.signature_date = datetime.now()
        else:
            self.signature_date = None
--- a/jsignature/settings.py
+++ b/jsignature/settings.py
@@ -17,6 +17,9 @@ JSIGNATURE_UNDO_BUTTON = getattr(
 JSIGNATURE_RESET_BUTTON = getattr(
    settings, 'JSIGNATURE_RESET_BUTTON', True)

+JSIGNATURE_JQUERY = getattr(
+    settings, 'JSIGNATURE_JQUERY', 'custom')
+
 JSIGNATURE_DEFAULT_CONFIG = {
    'width': JSIGNATURE_WIDTH,
    'height': JSIGNATURE_HEIGHT,
--- a/jsignature/static/js/django_jsignature.js
+++ b/jsignature/static/js/django_jsignature.js
@@ -1,4 +1,5 @@
-$(document).ready(function() {
+(function($) {
+  $(document).ready(function() {
    $(".jsign-container").each(function(){
      var config = $(this).data('config');
      var value = $(this).data('initial-value');
@@ -17,5 +18,5 @@ $(document).ready(function() {
    $(".jsign-wrapper input").on("click", function(e) {
      $(this).siblings('.jsign-container').jSignature('reset');
    });
-
-});
+  });
+})(jQuery || django.jQuery)
--- a/jsignature/static/js/jSignature.min.js
+++ b/jsignature/static/js/jSignature.min.js
@@ -1,11 +1,16 @@
 /*

-jSignature v2 "2013-08-26T07:00" "commit ID 986265299fecdb0f5b20acce92319220809707bf"
+jSignature v2 "2018-11-06T13:56" "commit ID 89c22b348ab2e1d92a928d8fd992f175e8bc5cbd"
 Copyright (c) 2012 Willow Systems Corp http://willow-systems.com
 Copyright (c) 2010 Brinley Ang http://www.unbolt.net
 MIT License <http://www.opensource.org/licenses/mit-license.php>


+Simplify.js BSD 
+(c) 2012, Vladimir Agafonkin
+mourner.github.com/simplify-js
+
+
 base64 encoder
 MIT, GPL
 http://phpjs.org/functions/base64_encode
@@ -26,54 +31,51 @@ jSignature v2 jSignature's custom "base30" format export and import plugins.

 jSignature v2 SVG export plugin.

-
-Simplify.js BSD
-(c) 2012, Vladimir Agafonkin
-mourner.github.com/simplify-js
-
 */
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+function e(a,b){if(void 0===b&&"string"===typeof a&&"data:"===a.substr(0,5)&&(b=a.slice(5).split(",")[0],a=a.slice(6+b.length),b===a))return;var c=this.find("canvas.jSignature").add(this.filter("canvas.jSignature"));if(l.hasOwnProperty(b))0!==c.length&&l[b].call(c[0],a,b,function(a){return function(){return a.resetCanvas.apply(a,arguments)}}(c.data("jSignature.this")));else throw Error("jSignature is unable to find import plugin with for format '"+String(b)+"'");return this}var d=new u;(function(a,
+b,c,d){var e,g=function(){a.publish(b+".parentresized")};c(d).bind("resize."+b,function(){e&&clearTimeout(e);e=setTimeout(g,500)}).bind("mouseup."+b,function(c){a.publish(b+".windowmouseup")})})(d,"jSignature",$,a);var f={},h={"default":function(a){return this.toDataURL()},"native":function(a){return a},image:function(a){a=this.toDataURL();if("string"===typeof a&&4<a.length&&"data:"===a.slice(0,5)&&-1!==a.indexOf(",")){var b=a.indexOf(",");return[a.slice(5,b),a.substr(b+1)]}return[]}},l={"native":function(a,
+b,c){c(a)},image:b,"image/png;base64":b,"image/jpeg;base64":b,"image/jpg;base64":b},k=function(a){var b=!1;for(a=a.parentNode;a&&!b;)b=a.body,a=a.parentNode;return!b},n={"export":h,"import":l,instance:f},p={init:function(a){return this.each(function(){k(this)||new w(this,a,f)})},destroy:function(){return this.each(function(){if(!k(this)){var a=$(this).find("canvas").data("jSignature.this");if(a){a.$controlbarLower.remove();a.$controlbarUpper.remove();$(a.canvas).remove();for(var b in a.eventTokens)a.eventTokens.hasOwnProperty(b)&&
+d.unsubscribe(a.eventTokens[b])}}})},getSettings:function(){return this.find("canvas.jSignature").add(this.filter("canvas.jSignature")).data("jSignature.this").settings},isModified:function(){return null!==this.find("canvas.jSignature").add(this.filter("canvas.jSignature")).data("jSignature.this").dataEngine._stroke},updateSetting:function(a,b,c){var d=this.find("canvas.jSignature").add(this.filter("canvas.jSignature")).data("jSignature.this");d.settings[a]=b;d.resetCanvas(c?null:d.settings.data,
+!0);return d.settings[a]},clear:c,reset:c,addPlugin:function(a,b,c){n.hasOwnProperty(a)&&(n[a][b]=c);return this},listPlugins:function(a){var b=[];if(n.hasOwnProperty(a)){a=n[a];for(var c in a)a.hasOwnProperty(c)&&b.push(c)}return b},getData:function(a){var b=this.find("canvas.jSignature").add(this.filter("canvas.jSignature"));void 0===a&&(a="default");if(0!==b.length&&h.hasOwnProperty(a))return h[a].call(b.get(0),b.data("jSignature.data"),b.data("jSignature.settings"))},importData:e,setData:e,globalEvents:function(){return d},
+disable:function(){this.find("input").attr("disabled",1);this.find("canvas.jSignature").addClass("disabled").data("jSignature.this").settings.readOnly=!0},enable:function(){this.find("input").removeAttr("disabled");this.find("canvas.jSignature").removeClass("disabled").data("jSignature.this").settings.readOnly=!1},events:function(){return this.find("canvas.jSignature").add(this.filter("canvas.jSignature")).data("jSignature.this").events}};$.fn.jSignature=function(a){if(a&&"object"!==typeof a){if("string"===
+typeof a&&p[a])return p[a].apply(this,Array.prototype.slice.call(arguments,1));$.error("Method "+String(a)+" does not exist on jQuery.jSignature")}else return p.init.apply(this,arguments)}})(window)})();
+(function(){function q(k,h,p){k=k.call(this);(function(h,k,p){h.events.subscribe(p+".change",function(){h.dataEngine.data.length?k.show():k.hide()})})(this,k,h);(function(h,k,p){var n=p+".undo";k.bind("click",function(){h.events.publish(n)});h.events.subscribe(n,function(){var k=h.dataEngine.data;k.length&&(k.pop(),h.resetCanvas(k))})})(this,k,this.events.topics.hasOwnProperty(h+".undo")?p:h)}$.fn.jSignature("addPlugin","instance","UndoButton",function(k){this.events.subscribe("jSignature.attachingEventHandlers",
+function(){if(this.settings[k]){var h=this.settings[k];"function"!==typeof h&&(h=function(){var h=$('<input type="button" value="Undo last stroke" style="position:absolute;display:none;margin:0 !important;top:auto" />').appendTo(this.$controlbarLower),k=h.width();h.css("left",Math.round((this.canvas.width-k)/2));k!==h.width()&&h.width(k);return h});q.call(this,h,"jSignature",k)}})})})();
+(function(){for(var q={},k={},h="0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWX".split(""),p=h.length/2,n=p-1;-1<n;n--)q[h[n]]=h[n+p],k[h[n+p]]=h[n];var w=function(e){e=e.split("");for(var a=e.length,b=1;b<a;b++)e[b]=q[e[b]];return e.join("")},x=function(e){for(var a=[],b=0,c=1,g=e.length,d,f,h=0;h<g;h++)d=Math.round(e[h]),f=d-b,b=d,0>f&&0<c?(c=-1,a.push("Z")):0<f&&0>c&&(c=1,a.push("Y")),d=Math.abs(f),d>=p?a.push(w(d.toString(p))):a.push(d.toString(p));return a.join("")},v=function(e){var a=
+[];e=e.split("");for(var b=e.length,c,g=1,d=[],f=0,h=0;h<b;h++)c=e[h],c in q||"Z"===c||"Y"===c?(0!==d.length&&(d=parseInt(d.join(""),p)*g+f,a.push(d),f=d),"Z"===c?(g=-1,d=[]):"Y"===c?(g=1,d=[]):d=[c]):d.push(k[c]);a.push(parseInt(d.join(""),p)*g+f);return a},u=function(e){for(var a=[],b=e.length,c,g=0;g<b;g++)c=e[g],a.push(x(c.x)),a.push(x(c.y));return a.join("_")},y=function(e){var a=[];e=e.split("_");for(var b=e.length/2,c=0;c<b;c++)a.push({x:v(e[2*c]),y:v(e[2*c+1])});return a},C=function(e){return["image/jsignature;base30",
+u(e)]},f=function(e,a,b){"string"===typeof e&&("image/jsignature;base30"===e.substring(0,23).toLowerCase()&&(e=e.substring(24)),b(y(e)))};if(null==this.jQuery)throw Error("We need jQuery for some of the functionality. jQuery is not detected. Failing to initialize...");(function(e){e=e.fn.jSignature;e("addPlugin","export","base30",C);e("addPlugin","export","image/jsignature;base30",C);e("addPlugin","import","base30",f);e("addPlugin","import","image/jsignature;base30",f)})(this.jQuery);this.jSignatureDebug&&
+(this.jSignatureDebug.base30={remapTailChars:w,compressstrokeleg:x,uncompressstrokeleg:v,compressstrokes:u,uncompressstrokes:y,charmap:q})}).call("undefined"!==typeof window?window:this);
+(function(){function q(f,e){this.x=f;this.y=e;this.reverse=function(){return new this.constructor(-1*this.x,-1*this.y)};this._length=null;this.getLength=function(){this._length||(this._length=Math.sqrt(Math.pow(this.x,2)+Math.pow(this.y,2)));return this._length};var a=function(a){return Math.round(a/Math.abs(a))};this.resizeTo=function(b){if(0===this.x&&0===this.y)this._length=0;else if(0===this.x)this._length=b,this.y=b*a(this.y);else if(0===this.y)this._length=b,this.x=b*a(this.x);else{var c=Math.abs(this.y/
+this.x),e=Math.sqrt(Math.pow(b,2)/(1+Math.pow(c,2)));c*=e;this._length=b;this.x=e*a(this.x);this.y=c*a(this.y)}return this};this.angleTo=function(a){var b=this.getLength()*a.getLength();return 0===b?0:Math.acos(Math.min(Math.max((this.x*a.x+this.y*a.y)/b,-1),1))/Math.PI}}function k(f,e){this.x=f;this.y=e;this.getVectorToCoordinates=function(a,b){return new q(a-this.x,b-this.y)};this.getVectorFromCoordinates=function(a,b){return this.getVectorToCoordinates(a,b).reverse()};this.getVectorToPoint=function(a){return new q(a.x-
+this.x,a.y-this.y)};this.getVectorFromPoint=function(a){return this.getVectorToPoint(a).reverse()}}function h(f,e){var a=Math.pow(10,e);return Math.round(f*a)/a}function p(f,e,a){e+=1;var b=new k(f.x[e-1],f.y[e-1]),c=new k(f.x[e],f.y[e]);c=b.getVectorToPoint(c);var g=new k(f.x[e-2],f.y[e-2]);b=g.getVectorToPoint(b);return b.getLength()>a?(a=2<e?(new k(f.x[e-3],f.y[e-3])).getVectorToPoint(g):new q(0,0),f=.35*b.getLength(),g=b.angleTo(a.reverse()),e=c.angleTo(b.reverse()),a=(new q(a.x+b.x,a.y+b.y)).resizeTo(Math.max(.05,
+g)*f),c=(new q(b.x+c.x,b.y+c.y)).reverse().resizeTo(Math.max(.05,e)*f),c=new q(b.x+c.x,b.y+c.y),["c",h(a.x,2),h(a.y,2),h(c.x,2),h(c.y,2),h(b.x,2),h(b.y,2)]):["l",h(b.x,2),h(b.y,2)]}function n(f,e){var a=f.x.length-1,b=new k(f.x[a],f.y[a]),c=new k(f.x[a-1],f.y[a-1]);b=c.getVectorToPoint(b);if(1<a&&b.getLength()>e){a=(new k(f.x[a-2],f.y[a-2])).getVectorToPoint(c);c=b.angleTo(a.reverse());var g=.35*b.getLength();a=(new q(a.x+b.x,a.y+b.y)).resizeTo(Math.max(.05,c)*g);return["c",h(a.x,2),h(a.y,2),h(b.x,
+2),h(b.y,2),h(b.x,2),h(b.y,2)]}return["l",h(b.x,2),h(b.y,2)]}function w(f,e,a){e=["M",h(f.x[0]-e,2),h(f.y[0]-a,2)];a=1;for(var b=f.x.length-1;a<b;a++)e.push.apply(e,p(f,a,1));0<b?e.push.apply(e,n(f,a,1)):0===b&&e.push.apply(e,["l",1,1]);return e.join(" ")}function x(f){for(var e=[],a=[["fill",void 0,"none"],["stroke","color","#000000"],["stroke-width","lineWidth",2],["stroke-linecap",void 0,"round"],["stroke-linejoin",void 0,"round"]],b=a.length-1;0<=b;b--){var c=a[b][1],g=a[b][2];e.push(a[b][0]+
+'="'+(c in f&&f[c]?f[c]:g)+'"')}return e.join(" ")}function v(f,e){var a=['<?xml version="1.0" encoding="UTF-8" standalone="no"?>','<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">'],b,c=f.length,g,d=[],h=[],k=g=b=0,l=0,p=[];if(0!==c){for(b=0;b<c;b++){g=f[b];var n=[],q={x:[],y:[]};l=0;for(k=g.x.length;l<k;l++)n.push({x:g.x[l],y:g.y[l]});n=simplify(n,.7,!0);l=0;for(k=n.length;l<k;l++)q.x.push(n[l].x),q.y.push(n[l].y);g=q;p.push(g);d=d.concat(g.x);h=
+h.concat(g.y)}c=Math.min.apply(null,d)-1;b=Math.max.apply(null,d)+1;d=Math.min.apply(null,h)-1;h=Math.max.apply(null,h)+1;k=0>c?0:c;l=0>d?0:d;b-=c;g=h-d}a.push('<svg xmlns="http://www.w3.org/2000/svg" version="1.1" width="'+b.toString()+'" height="'+g.toString()+'">');b=0;for(c=p.length;b<c;b++)g=p[b],a.push("<path "+x(e)+' d="'+w(g,k,l)+'"/>');a.push("</svg>");return a.join("")}function u(f,e){return["image/svg+xml",v(f,e)]}function y(f,e){return["image/svg+xml;base64",C(v(f,e))]}(function(f,e){"use strict";
+f.simplify=function(a,b,c){b=b!==e?b*b:1;if(!c){var g=a.length,d=a[0],f=[d];for(c=1;c<g;c++){var h=a[c];var k=h.x-d.x,n=h.y-d.y;k*k+n*n>b&&(f.push(h),d=h)}a=(d!==h&&f.push(h),f)}h=a;c=h.length;g=new (typeof Uint8Array!=e+""?Uint8Array:Array)(c);d=0;f=c-1;var p,q=[],r=[],y=[];for(g[d]=g[f]=1;f;){n=0;for(k=d+1;k<f;k++){var A=h[k];var z=h[d],w=h[f],u=z.x,v=z.y;z=w.x-u;var B=w.y-v;if(0!==z||0!==B){var x=((A.x-u)*z+(A.y-v)*B)/(z*z+B*B);1<x?(u=w.x,v=w.y):0<x&&(u+=z*x,v+=B*x)}A=(z=A.x-u,B=A.y-v,z*z+B*B);
+A>n&&(p=k,n=A)}n>b&&(g[p]=1,q.push(d),r.push(p),q.push(p),r.push(f));d=q.pop();f=r.pop()}for(k=0;k<c;k++)g[k]&&y.push(h[k]);return a=y,a}})(window);if("function"!==typeof C)var C=function(f){var e="ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=".split(""),a=0,b=0,c=[];do{var g=f.charCodeAt(a++);var d=f.charCodeAt(a++);var h=f.charCodeAt(a++);var k=g<<16|d<<8|h;g=k>>18&63;d=k>>12&63;h=k>>6&63;k&=63;c[b++]=e[g]+e[d]+e[h]+e[k]}while(a<f.length);e=c.join("");f=f.length%3;return(f?e.slice(0,
+f-3):e)+"===".slice(f||3)};if("undefined"===typeof $)throw Error("We need jQuery for some of the functionality. jQuery is not detected. Failing to initialize...");(function(f){f=f.fn.jSignature;f("addPlugin","export","svg",u);f("addPlugin","export","image/svg+xml",u);f("addPlugin","export","svgbase64",y);f("addPlugin","export","image/svg+xml;base64",y)})($)})();
--- a/jsignature/static/js/jsignature_admin_init.js
+++ b/jsignature/static/js/jsignature_admin_init.js
@@ -0,0 +1,4 @@
+if (django && django.jQuery) {
+  var jQuery = django.jQuery;
+  var $ = django.jQuery;
+}
--- a/jsignature/templatetags/init.py
+++ b/jsignature/templatetags/init.py
--- a/jsignature/templatetags/jsignature_filters.py
+++ b/jsignature/templatetags/jsignature_filters.py
@@ -0,0 +1,21 @@
+import base64
+import io
+
+from django import template
+from django.utils.encoding import iri_to_uri
+
+from jsignature.utils import draw_signature
+
+register = template.Library()
+
+
+@register.filter
+def signature_base64(value):
+    if value is None or not isinstance(value, str):
+        return ""
+    in_mem_file = io.BytesIO()
+    draw_signature(value).save(in_mem_file, format="PNG")
+    in_mem_file.seek(0)
+    return "data:image/png;base64,{}".format(
+        iri_to_uri(base64.b64encode(in_mem_file.read()).decode('utf8'))
+    )
--- a/jsignature/tests/init.py
+++ b/jsignature/tests/init.py
@@ -1,5 +0,0 @@
-from .widgets import JSignatureWidgetTest
-from .forms import JSignatureFormFieldTest
-from .fields import JSignatureFieldTest
-from .mixins import JSignatureFieldsMixinTest
-from .utils import UtilsTest
--- a/jsignature/tests/fields.py
+++ b/jsignature/tests/fields.py
@@ -1,46 +0,0 @@
-import json
-from django.test import SimpleTestCase
-from django.core.exceptions import ValidationError
-
-from ..fields import JSignatureField
-from ..forms import JSignatureField as JSignatureFormField
-
-
-class JSignatureFieldTest(SimpleTestCase):
-
-    def test_to_python(self):
-        f = JSignatureField()
-        # Empty values
-        for val in ['', [], '[]']:
-            self.assertIsNone(f.to_python(val))
-        # Correct values
-        val = [{"x": [1, 2], "y": [3, 4]}]
-        self.assertEquals(val, f.to_python(val))
-        val_str = '[{"x":[1,2], "y":[3,4]}]'
-        self.assertEquals(val, f.to_python(val_str))
-        # Incorrect values
-        val = 'foo'
-        self.assertRaises(ValidationError, f.to_python, val)
-
-    def test_get_prep_value(self):
-        f = JSignatureField()
-        # Empty values
-        for val in ['', [], '[]']:
-            self.assertIsNone(f.get_prep_value(val))
-        # Correct values
-        val = [{"x": [1, 2], "y": [3, 4]}]
-        val_prep = f.get_prep_value(val)
-        self.assertIsInstance(val_prep, basestring)
-        self.assertEquals(val, json.loads(val_prep))
-        val_str = '[{"x":[1,2], "y":[3,4]}]'
-        val_prep = f.get_prep_value(val_str)
-        self.assertIsInstance(val_prep, basestring)
-        self.assertEquals(val, json.loads(val_prep))
-        # Incorrect values
-        val = type('Foo')
-        self.assertRaises(ValidationError, f.get_prep_value, val)
-
-    def test_formfield(self):
-        f = JSignatureField()
-        cls = f.formfield().__class__
-        self.assertTrue(issubclass(cls, JSignatureFormField))
--- a/jsignature/utils.py
+++ b/jsignature/utils.py
@@ -15,25 +15,31 @@ def draw_signature(data, as_file=False):
        if `as_file` is True, a temp file is returned instead of Image instance
    """

+    def _remove_empty_pts(pt):
+        return {
+            'x': list(filter(lambda n: n is not None, pt['x'])),
+            'y': list(filter(lambda n: n is not None, pt['y']))
+        }
+
    if type(data) is str:
-        drawing = json.loads(data)
+        drawing = json.loads(data, object_hook=_remove_empty_pts)
    elif type(data) is list:
        drawing = data
    else:
        raise ValueError

    # Compute box
-    width = max(chain(*[d['x'] for d in drawing])) + 10
-    height = max(chain(*[d['y'] for d in drawing])) + 10
+    width = int(round(max(chain(*[d['x'] for d in drawing])))) + 10
+    height = int(round(max(chain(*[d['y'] for d in drawing])))) + 10

    # Draw image
-    im = Image.new("RGBA", (width*AA, height*AA))
+    im = Image.new("RGBA", (width * AA, height * AA))
    draw = ImageDraw.Draw(im)
    for line in drawing:
        len_line = len(line['x'])
-        points = [(line['x'][i]*AA, line['y'][i]*AA)
+        points = [(line['x'][i] * AA, line['y'][i] * AA)
                  for i in range(0, len_line)]
-        draw.line(points, fill="#000", width=2*AA)
+        draw.line(points, fill="#000", width=2 * AA)
    im = ImageOps.expand(im)
    # Smart crop
    bbox = im.getbbox()
--- a/jsignature/widgets.py
+++ b/jsignature/widgets.py
@@ -4,18 +4,27 @@
 """
 import json

+from django.conf import settings
 from django.template.loader import render_to_string
-from django.forms.widgets import HiddenInput
+from django import forms
 from django.core import validators
 from django.core.exceptions import ValidationError
+
 from django.utils.safestring import mark_safe
-from django.utils.translation import ugettext_lazy as _
+from django.utils.translation import gettext_lazy as _
 from jsignature.settings import JSIGNATURE_DEFAULT_CONFIG

 JSIGNATURE_EMPTY_VALUES = validators.EMPTY_VALUES + ('[]', )


-class JSignatureWidget(HiddenInput):
+try:
+    from django.utils import six
+    string_types = six.string_types
+except ImportError:
+    string_types = str
+
+
+class JSignatureWidget(forms.HiddenInput):
    """
    A widget handling a signature capture field with with jSignature
    """
@@ -24,9 +33,22 @@ class JSignatureWidget(HiddenInput):
    # normal field, not a hidden one
    is_hidden = False

-    class Media:
-        js = ('js/jSignature.min.js',
-              'js/django_jsignature.js')
+    @property
+    def media(self):
+        JSIGNATURE_JQUERY = getattr(settings, 'JSIGNATURE_JQUERY', 'custom')
+        files = ()
+        if JSIGNATURE_JQUERY == 'admin':
+            files = (
+                'admin/js/jquery.init.js',
+                'js/jsignature_admin_init.js',
+            )
+        elif JSIGNATURE_JQUERY != 'custom':
+            files = (JSIGNATURE_JQUERY,)
+        files += (
+            'js/jSignature.min.js',
+            'js/django_jsignature.js',
+        )
+        return forms.Media(js=files)

    def __init__(self, attrs=None, jsignature_attrs=None):
        super(JSignatureWidget, self).__init__(attrs)
@@ -51,13 +73,13 @@ class JSignatureWidget(HiddenInput):
        """ Prepare value before effectively render widget """
        if value in JSIGNATURE_EMPTY_VALUES:
            return "[]"
-        elif isinstance(value, basestring):
+        elif isinstance(value, string_types):
            return value
        elif isinstance(value, list):
            return json.dumps(value)
        raise ValidationError('Invalid format.')

-    def render(self, name, value, attrs=None):
+    def render(self, name, value, attrs=None, renderer=None):
        """ Render widget """
        # Build config
        jsign_id = self.build_jsignature_id(name)
--- a/quicktest.py
+++ b/quicktest.py
@@ -1,64 +0,0 @@
-import os
-import sys
-import argparse
-from django.conf import settings
-
-class QuickDjangoTest(object):
-    """
-    A quick way to run the Django test suite without a fully-configured project.
-
-    Example usage:
-
-        >>> QuickDjangoTest('app1', 'app2')
-
-    Based on a script published by Lukasz Dziedzia at:
-    http://stackoverflow.com/questions/3841725/how-to-launch-tests-for-django-reusable-app
-    """
-    DIRNAME = os.path.dirname(__file__)
-    INSTALLED_APPS = (
-        'django.contrib.contenttypes',
-        'django.contrib.sessions',
-    )
-
-    def __init__(self, *args, **kwargs):
-        self.apps = args
-        self.run_tests()
-
-    def run_tests(self):
-        """
-        Fire up the Django test suite developed for version 1.2
-        """
-        settings.configure(
-            DATABASES={
-                'default': {
-                    'ENGINE': 'django.db.backends.sqlite3',
-                    'NAME': os.path.join(self.DIRNAME, 'database.db'),
-                    'USER': '',
-                    'PASSWORD': '',
-                    'HOST': '',
-                    'PORT': '',
-                }
-            },
-            INSTALLED_APPS=self.INSTALLED_APPS + self.apps,
-        )
-        from django.test.simple import DjangoTestSuiteRunner
-        failures = DjangoTestSuiteRunner().run_tests(self.apps, verbosity=1)
-        if failures:  # pragma: no cover
-            sys.exit(failures)
-
-if __name__ == '__main__':
-    """
-    What do when the user hits this file from the shell.
-
-    Example usage:
-
-        $ python quicktest.py app1 app2
-
-    """
-    parser = argparse.ArgumentParser(
-        usage="[args]",
-        description="Run Django tests on the provided applications."
-    )
-    parser.add_argument('apps', nargs='+', type=str)
-    args = parser.parse_args()
-    QuickDjangoTest(*args.apps)
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,2 +1,3 @@
 pillow
-pyquery
+pyquery<1.4.2; python_version<="2.7"
+pyquery>=1.4.2; python_version>"2.7"
--- a/runtests.py
+++ b/runtests.py
@@ -0,0 +1,15 @@
+#!/usr/bin/env python
+import os
+import sys
+
+import django
+from django.conf import settings
+from django.test.utils import get_runner
+
+if __name__ == "__main__":
+    os.environ['DJANGO_SETTINGS_MODULE'] = 'tests.settings'
+    django.setup()
+    TestRunner = get_runner(settings)
+    test_runner = TestRunner()
+    failures = test_runner.run_tests(["tests"])
+    sys.exit(bool(failures))
--- a/setup.py
+++ b/setup.py
@@ -5,17 +5,17 @@ here = os.path.abspath(os.path.dirname(__file__))

 setup(
    name='django-jsignature',
-    version='0.7.6',
+    version='0.12',
    author='Florent Lebreton',
    author_email='florent.lebreton@makina-corpus.com',
    url='https://github.com/fle/django-jsignature',
-    download_url="https://github.com/fle/django-jsignature/tarball/0.7.6",
-    description="Use jSignature jQuery plugin in your django projects",
+    download_url='http://pypi.python.org/pypi/django-jsignature',
+    description='Use jSignature jQuery plugin in your django projects',
    long_description=open(os.path.join(here, 'README.rst')).read() + '\n\n' +
        open(os.path.join(here, 'CHANGES')).read(),
    license='LPGL, see LICENSE file.',
-    install_requires=['Django'],
-    packages=find_packages(),
+    install_requires=['Django>=1.11', 'pillow', 'pyquery>=1.4.2'],
+    packages=find_packages(exclude=['example_project*', 'tests']),
    include_package_data=True,
    zip_safe=False,
    classifiers=[
@@ -25,6 +25,17 @@ setup(
        'Intended Audience :: Developers',
        'Environment :: Web Environment',
        'Framework :: Django',
+        'Framework :: Django :: 1.11',
+        'Framework :: Django :: 2.2',
+        'Framework :: Django :: 3.0',
        'Development Status :: 5 - Production/Stable',
-        'Programming Language :: Python :: 2.7'],
+        'Programming Language :: Python',
+        'Programming Language :: Python :: 2',
+        'Programming Language :: Python :: 2.7',
+        'Programming Language :: Python :: 3',
+        'Programming Language :: Python :: 3.5',
+        'Programming Language :: Python :: 3.6',
+        'Programming Language :: Python :: 3.7',
+        'Programming Language :: Python :: 3.8',
+    ],
 )
--- a/tests/init.py
+++ b/tests/init.py
--- a/jsignature/tests/models.py
+++ b/jsignature/tests/models.py
@@ -1,5 +1,5 @@
 """ Provides a dummy model implementing JSignatureFieldsMixin """
-from ..mixins import JSignatureFieldsMixin
+from jsignature.mixins import JSignatureFieldsMixin


 class JSignatureTestModel(JSignatureFieldsMixin):
--- a/tests/settings.py
+++ b/tests/settings.py
@@ -0,0 +1,36 @@
+import os
+
+DEBUG = True
+
+USE_TZ = True
+
+BASE_DIR = os.path.dirname(os.path.dirname(__file__))
+
+SECRET_KEY = 'thisisntactuallysecretatall'
+
+ALLOWED_HOSTS = ['*']
+
+DATABASES = {
+    'default': {
+        'ENGINE': 'django.db.backends.sqlite3',
+        'NAME': ':memory:',
+    }
+}
+
+# ROOT_URLCONF = 'tests.urls'
+
+INSTALLED_APPS = [
+    'jsignature',
+    'tests',
+]
+
+PASSWORD_HASHERS = {
+    'django.contrib.auth.hashers.MD5PasswordHasher',
+}
+
+TEMPLATES = [
+    {
+        'BACKEND': 'django.template.backends.django.DjangoTemplates',
+        'APP_DIRS': True,
+    },
+]
--- a/tests/test_faulty_signature.py
+++ b/tests/test_faulty_signature.py
@@ -0,0 +1,12 @@
+import json
+
+from django.test import SimpleTestCase
+
+from jsignature.templatetags.jsignature_filters import signature_base64
+
+FAULTY_SIGNATURE = [{"x": [120.00675156801722, 116.11464070635179, 114.16858527551909], "y": [83.0316983821957, 76.54484694608666, 224.44505968937275]}, {"x": [161.52260075911508, 165.4147116207805, 173.84761848772226, 184.2265807854967, 201.0923945193802], "y": [84.97775381302841, 79.78827266414118, 72.00405094081033, 62.922458930257676, 56.43560749414864]}]
+DUMMY_STR_VALUE = json.dumps(FAULTY_SIGNATURE)
+
+class TemplateFilterFailedTest(SimpleTestCase):
+    def test_throw_error(self):
+        output = signature_base64(DUMMY_STR_VALUE)
--- a/tests/test_fields.py
+++ b/tests/test_fields.py
@@ -0,0 +1,68 @@
+import json
+
+from django.test import SimpleTestCase
+from django.core.exceptions import ValidationError
+
+from jsignature.fields import JSignatureField
+from jsignature.forms import JSignatureField as JSignatureFormField
+
+try:
+    from django.utils import six
+
+    string_types = six.string_types
+except ImportError:
+    string_types = str
+
+
+class JSignatureFieldTest(SimpleTestCase):
+
+    def test_to_python_empty(self):
+        f = JSignatureField()
+        for val in ['', [], '[]']:
+            self.assertIsNone(f.to_python(val))
+
+    def test_to_python_correct_value_python(self):
+        f = JSignatureField()
+        val = [{"x": [1, 2], "y": [3, 4]}]
+        self.assertEqual(val, f.to_python(val))
+
+    def test_to_python_correct_value_json(self):
+        f = JSignatureField()
+        val = [{"x": [1, 2], "y": [3, 4]}]
+        val_str = '[{"x":[1,2], "y":[3,4]}]'
+        self.assertEqual(val, f.to_python(val_str))
+
+    def test_to_python_incorrect_value(self):
+        f = JSignatureField()
+        val = 'foo'
+        self.assertRaises(ValidationError, f.to_python, val)
+
+    def test_get_prep_value_empty(self):
+        f = JSignatureField()
+        for val in ['', [], '[]']:
+            self.assertIsNone(f.get_prep_value(val))
+
+    def test_get_prep_value_correct_values_python(self):
+        f = JSignatureField()
+        val = [{"x": [1, 2], "y": [3, 4]}]
+        val_prep = f.get_prep_value(val)
+        self.assertIsInstance(val_prep, string_types)
+        self.assertEqual(val, json.loads(val_prep))
+
+    def test_get_prep_value_correct_values_json(self):
+        f = JSignatureField()
+        val = [{"x": [1, 2], "y": [3, 4]}]
+        val_str = '[{"x":[1,2], "y":[3,4]}]'
+        val_prep = f.get_prep_value(val_str)
+        self.assertIsInstance(val_prep, string_types)
+        self.assertEqual(val, json.loads(val_prep))
+
+    def test_get_prep_value_incorrect_values(self):
+        f = JSignatureField()
+        val = type('Foo')
+        self.assertRaises(ValidationError, f.get_prep_value, val)
+
+    def test_formfield(self):
+        f = JSignatureField()
+        cls = f.formfield().__class__
+        self.assertTrue(issubclass(cls, JSignatureFormField))
--- a/tests/test_filter.py
+++ b/tests/test_filter.py
@@ -0,0 +1,19 @@
+import json
+
+from django.test import SimpleTestCase
+
+from jsignature.templatetags.jsignature_filters import signature_base64
+
+DUMMY_VALUE = [{"x": [205, 210], "y": [59, 63]},
+               {"x": [205, 207], "y": [67, 64]}]
+DUMMY_STR_VALUE = json.dumps(DUMMY_VALUE)
+
+
+class TemplateFilterTest(SimpleTestCase):
+    def test_inputs_bad_type_value(self):
+        self.assertEqual(signature_base64(object()), '')
+        self.assertEqual(signature_base64(None), '')
+
+    def test_outputs_as_base64(self):
+        output = signature_base64(DUMMY_STR_VALUE)
+        self.assertEqual(output, "data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAANwAAABNCAYAAADNYApnAAABIklEQVR4nO3ZP0odURjG4d/ce5dgE3EHgXTp07iD6B7cga3YpUoh7iFrCti4BkGw0OLMoEVIEW4yxPs81ZxzGPial+/8KQAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAPh3ttW0dhFwCN4GbbNaFXAAlrCdVh/m791KtcC7tmkE7mP1XP2sPs1rQgd7NjVCd1TdNkL3UJ2tWRQciovqqRG8q0aXc6aDPZsat5RVX6q7Rui+zXPbX/wD/KFla7mc306qH9XneazLwZ4s3eu8eqwuV6wF3rXllvK4um9sI7/Oc7s8hMNeLVf/3xthu5nHzmzwF0y9drjrxvPAMgcA/7/lWUBnAwAAAAAAfucFwt4TZmdXW+AAAAAASUVORK5CYII=")
--- a/jsignature/tests/forms.py
+++ b/jsignature/tests/forms.py
@@ -1,8 +1,8 @@
 from django.test import SimpleTestCase
 from django.core.exceptions import ValidationError

-from ..widgets import JSignatureWidget
-from ..forms import JSignatureField
+from jsignature.widgets import JSignatureWidget
+from jsignature.forms import JSignatureField


 class JSignatureFormFieldTest(SimpleTestCase):
@@ -11,14 +11,17 @@ class JSignatureFormFieldTest(SimpleTestCase):
        f = JSignatureField()
        self.assertIsInstance(f.widget, JSignatureWidget)

-    def test_to_python(self):
+    def test_to_python_empty_values(self):
        f = JSignatureField()
-        # Empty values
        for val in ['', [], '[]']:
            self.assertIsNone(f.to_python(val))
-        # Correct values
+
+    def test_to_python_correct_values(self):
+        f = JSignatureField()
        val = '[{"x":[1,2], "y":[3,4]}]'
-        self.assertEquals([{'x': [1, 2], 'y': [3, 4]}], f.to_python(val))
-        # Incorrect values
+        self.assertEqual([{'x': [1, 2], 'y': [3, 4]}], f.to_python(val))
+
+    def test_to_python_incorrect_values(self):
+        f = JSignatureField()
        val = 'foo'
        self.assertRaises(ValidationError, f.to_python, val)
--- a/jsignature/tests/mixins.py
+++ b/jsignature/tests/mixins.py
@@ -1,25 +1,11 @@
 from datetime import date
-from django.conf import settings
-from django.db.models import loading
-from django.test import SimpleTestCase
-from django.core.management import call_command
+from django.test import TestCase

 from .models import JSignatureTestModel


-class JSignatureFieldsMixinTest(SimpleTestCase):
-
-    def setUp(self):
-        self.old_installed_apps = settings.INSTALLED_APPS
-        settings.INSTALLED_APPS = list(settings.INSTALLED_APPS)
-        settings.INSTALLED_APPS.append('jsignature.tests')
-        loading.cache.loaded = False
-        call_command('syncdb', verbosity=0)
-
-    def tearDown(self):
-        settings.INSTALLED_APPS = self.old_installed_apps
-
-    def test_save(self):
+class JSignatureFieldsMixinTest(TestCase):
+    def test_save_create(self):
        # If an object is created signed, signature date must be set
        signature_value = [{"x": [1, 2], "y": [3, 4]}]
        i = JSignatureTestModel(signature=signature_value)
@@ -27,16 +13,19 @@ class JSignatureFieldsMixinTest(SimpleTestCase):
        i = JSignatureTestModel.objects.get(pk=i.pk)
        self.assertEqual(date.today(), i.signature_date.date())

+    def test_save_no_change(self):
        # If signature doesn't change, signature date must not be updated
+        signature_value = [{"x": [1, 2], "y": [3, 4]}]
        i = JSignatureTestModel(signature=signature_value)
        i.save()
        i.signature_date = date(2013, 1, 1)
-        i.signature = signature_value
        i.save()
        i = JSignatureTestModel.objects.get(pk=i.pk)
        self.assertEqual(date(2013, 1, 1), i.signature_date.date())

+    def test_save_change(self):
        # If signature changes, signature date must be updated too
+        signature_value = [{"x": [1, 2], "y": [3, 4]}]
        new_signature_value = [{"x": [5, 6], "y": [7, 8]}]
        i = JSignatureTestModel(signature=signature_value,
                                signature_date=date(2013, 1, 1))
@@ -47,7 +36,9 @@ class JSignatureFieldsMixinTest(SimpleTestCase):
        i = JSignatureTestModel.objects.get(pk=i.pk)
        self.assertEqual(date.today(), i.signature_date.date())

+    def test_save_none(self):
        # If sinature is set to None, it must be the same for signature_date
+        signature_value = [{"x": [1, 2], "y": [3, 4]}]
        i = JSignatureTestModel(signature=signature_value)
        i.save()
        i.signature = None
--- a/jsignature/tests/utils.py
+++ b/jsignature/tests/utils.py
@@ -4,7 +4,7 @@ import imghdr
 from PIL import Image
 from django.test import SimpleTestCase

-from ..utils import draw_signature
+from jsignature.utils import draw_signature

 DUMMY_VALUE = [{"x": [205, 210], "y": [59, 63]},
               {"x": [205, 207], "y": [67, 64]}]
@@ -13,22 +13,24 @@ DUMMY_STR_VALUE = json.dumps(DUMMY_VALUE)

 class UtilsTest(SimpleTestCase):

-    def test_inputs(self):
-        # Bad str value
+    def test_inputs_bad_str_value(self):
        self.assertRaises(ValueError, draw_signature, 'foo_bar')
-        # Bad type value
+
+    def test_inputs_bad_type_value(self):
        self.assertRaises(ValueError, draw_signature, object())
-        # Good list value
+
+    def test_inputs_good_list_value(self):
        draw_signature(DUMMY_VALUE)
-        # Good str value
+
+    def test_inputs_good_str_value(self):
        draw_signature(DUMMY_STR_VALUE)

-    def test_outputs(self):
-        # As a file
+    def test_outputs_as_file(self):
        output = draw_signature(DUMMY_VALUE, as_file=True)
        self.assertTrue(os.path.isfile(output))
        self.assertIsNotNone(imghdr.what(output))
-        # As an Image
+
+    def test_outputs_as_image(self):
        output = draw_signature(DUMMY_VALUE)
        self.assertTrue(issubclass(output.__class__, Image.Image))
        self.assertTrue(all(output.getbbox()))
--- a/jsignature/tests/widgets.py
+++ b/jsignature/tests/widgets.py
@@ -1,15 +1,21 @@
 import json
 from pyquery import PyQuery as pq

-from django.test import SimpleTestCase
+from django.test import SimpleTestCase, override_settings
 from django.core.exceptions import ValidationError

-from ..widgets import JSignatureWidget
-from ..settings import JSIGNATURE_HEIGHT
+from jsignature.widgets import JSignatureWidget
+from jsignature.settings import JSIGNATURE_HEIGHT
+
+try:
+    from django.utils import six
+
+    string_types = six.string_types
+except ImportError:
+    string_types = str


 class JSignatureWidgetTest(SimpleTestCase):
-
    def test_default_media(self):
        widget = JSignatureWidget()
        media = widget.media
@@ -19,14 +25,28 @@ class JSignatureWidgetTest(SimpleTestCase):
        self.assertIn('jSignature.min.js', media_js_str)
        self.assertIn('django_jsignature.js', media_js_str)
        media_css = list(media.render_css())
-        self.assertEquals([], media_css)
+        self.assertEqual([], media_css)
+
+    @override_settings(JSIGNATURE_JQUERY='admin')
+    def test_media_in_admin(self):
+        widget = JSignatureWidget()
+        media = widget.media
+        media_js = list(media.render_js())
+        self.assertEqual(4, len(media_js))
+
+    @override_settings(JSIGNATURE_JQUERY='https://code.jquery.com/jquery-3.5.0.min.js')
+    def test_media_custom_jquery(self):
+        widget = JSignatureWidget()
+        media = widget.media
+        media_js = list(media.render_js())
+        self.assertEqual(3, len(media_js))

    def test_init(self):
        w = JSignatureWidget()
-        self.assertEquals({}, w.jsignature_attrs)
+        self.assertEqual({}, w.jsignature_attrs)
        given_attrs = {'width': 300, 'height': 100}
        w = JSignatureWidget(jsignature_attrs=given_attrs)
-        self.assertEquals(given_attrs, w.jsignature_attrs)
+        self.assertEqual(given_attrs, w.jsignature_attrs)

    def test_build_jsignature_id(self):
        w = JSignatureWidget()
@@ -39,21 +59,28 @@ class JSignatureWidgetTest(SimpleTestCase):
        self.assertEqual(400, config.get('width'))
        self.assertEqual(JSIGNATURE_HEIGHT, config.get('height'))

-    def test_prep_value(self):
+    def test_prep_value_empty_values(self):
        w = JSignatureWidget()
-        # Empty values
        for val in ['', [], '[]']:
            self.assertEqual('[]', w.prep_value(val))
-        # Correct values
+
+    def test_prep_value_correct_values_python(self):
+        w = JSignatureWidget()
        val = [{"x": [1, 2], "y": [3, 4]}]
        val_prep = w.prep_value(val)
-        self.assertIsInstance(val_prep, basestring)
-        self.assertEquals(val, json.loads(val_prep))
+        self.assertIsInstance(val_prep, string_types)
+        self.assertEqual(val, json.loads(val_prep))
+
+    def test_prep_value_correct_values_json(self):
+        w = JSignatureWidget()
+        val = [{"x": [1, 2], "y": [3, 4]}]
        val_str = '[{"x":[1,2], "y":[3,4]}]'
        val_prep = w.prep_value(val_str)
-        self.assertIsInstance(val_prep, basestring)
-        self.assertEquals(val, json.loads(val_prep))
-        # Incorrect values
+        self.assertIsInstance(val_prep, string_types)
+        self.assertEqual(val, json.loads(val_prep))
+
+    def test_prep_value_incorrect_values(self):
+        w = JSignatureWidget()
        val = type('Foo')
        self.assertRaises(ValidationError, w.prep_value, val)

@@ -64,11 +91,12 @@ class JSignatureWidgetTest(SimpleTestCase):
        self.assertEqual(1, len(pq('.jsign-wrapper', output)))
        self.assertEqual(1, len(pq('[type=hidden]', output)))

-    def test_render_reset_button(self):
+    def test_render_reset_button_true(self):
        w = JSignatureWidget(jsignature_attrs={'ResetButton': True})
        output = w.render(name='foo', value=None)
        self.assertEqual(1, len(pq('[type=button]', output)))

+    def test_render_reset_button_false(self):
        w = JSignatureWidget(jsignature_attrs={'ResetButton': False})
        output = w.render(name='foo', value=None)
        self.assertEqual(0, len(pq('[type=button]', output)))
--- a/tox.ini
+++ b/tox.ini
@@ -0,0 +1,25 @@
+[tox]
+envlist =
+    {py36,py37,py38,py39,py310}-django22,
+    {py36,py37,py38,py39,py310}-django32,
+    {py38,py39,py310}-django{40,master},
+    py310-djangomaster
+
+[testenv]
+deps=
+    django22: Django>=2.2,<3.0
+    django32: Django>=3.2,<4.0
+    django40: Django>=4.0,<4.1
+    djangomaster: https://github.com/django/django/archive/main.tar.gz
+    -r requirements.txt
+    coverage
+
+commands= coverage run ./runtests.py
+
+[gh-actions]
+python =
+    3.6: py36-django{22,32}
+    3.7: py37-django{22,32}
+    3.8: py38-django{22,32,40}
+    3.9: py39-django{22,32,40}
+    3.10: py310-django{22,32,40,master}
Author	SHA1	Message	Date
Maxi	88d6118939	Bump to 0.12	2022-04-27 17:00:23 +02:00
MaxJa4	9d3087e78b	Updates jSignature.js to newest version	2022-04-27 16:53:44 +02:00
Sebastien Corbin	4883e37c1a	Update badges	2022-01-17 14:18:10 +01:00
Sebastien Corbin	ae58c7f725	Bump version to 0.11	2022-01-17 14:07:09 +01:00
Sebastien Corbin	cf9a37a009	Remove depreciations	2022-01-17 14:02:35 +01:00
Sebastien Corbin	382c824cca	Flake8	2022-01-17 14:02:35 +01:00
Sebastien Corbin	63c3d7d2dc	Move to github actions	2022-01-17 14:02:35 +01:00
David Sauve	ea3800375c	Improved _remove_empty so that it doesn't remove 0, just None	2022-01-17 09:12:03 +01:00
David Sauve	a42a9ca543	Filter out null values in signature data Null values in the signature data will cause the compute box calculation to fail. Filter them out during json.loads	2022-01-17 09:12:03 +01:00
kygoh	9e81795f99	Fix django tarball url	2021-10-10 18:37:33 +02:00
kygoh	7fe2560910	Use environment markers to install pyquery based on python version	2021-10-10 18:37:33 +02:00
kygoh	e92132349c	Accept float x,y values	2021-10-10 18:37:33 +02:00
Sebastien Corbin	a740767a06	Release 0.10	2020-07-26 15:58:33 +02:00
Sebastien Corbin	ea249473f1	Add full example of front-office usage	2020-07-26 15:58:12 +02:00
Sebastien Corbin	bea517d746	Add a template filter for displaying signature as base64	2020-07-26 15:55:51 +02:00
Sebastien Corbin	4dd9e5f25f	Improve coverage	2020-04-18 21:08:09 +02:00
Sebastien Corbin	72e9f3d6da	Fix setup.py classifiers	2020-04-18 21:04:30 +02:00
Sebastien Corbin	7601258ea8	Improve setup.py for next time	2020-04-18 21:01:55 +02:00
Sebastien Corbin	3f5d877b6a	Release 0.9	2020-04-18 20:51:52 +02:00
Sebastien Corbin	cf2ad535e1	Add tests for admin usage	2020-04-18 20:48:06 +02:00
Sebastien Corbin	2be2c4dcc6	Update jSignature lib	2020-04-18 20:22:14 +02:00
Sebastien Corbin	d08e0ba276	Handle both admin and not admin usages	2020-04-18 20:22:04 +02:00
Sebastien Corbin	a6946d160d	Include example project	2020-04-18 20:20:26 +02:00
Sebastien Corbin	ac8c20abb3	Remove dependency over six	2020-04-18 19:04:25 +02:00
Sebastien Corbin	622f3ea10b	Rework test matrix and structure	2020-04-18 18:53:42 +02:00
Sébastien Corbin	c5f7c10d23	Merge pull request #12 from adremides/master Fix jquery dependency for Django >2.2 version	2020-03-11 10:51:39 +01:00
Unknown	d0ae3a9c43	Fix jquery dependency for Django >2.2 version Django changed the way media assets are merged, now using a topological sort algorithm. Dependencies are now needed to be added in the media so they are recognized by the algorithm.	2019-10-03 20:38:25 -03:00
Florent Lebreton	39f2ba9533	Merge pull request #11 from notanumber/master Updated to fix an error when using jSignature field with Django 2	2019-07-03 16:55:36 +02:00
David Sauve	33b43b98b0	Added `renderer=None` to `render` call	2019-04-03 14:28:43 -07:00
David Sauve	9923614d6a	Updated JSignatureField to remove SubfieldBase	2019-04-03 14:25:11 -07:00
Florent Lebreton	6da81f2115	Release 0.8	2014-12-04 13:58:40 +01:00
Florent Lebreton	d12b1e80ac	Merge pull request #5 from Gagaro/master Python3 / Django1.7 support & better testing	2014-12-04 13:50:38 +01:00
Gagaro	880033d3a5	fix: django.utils.six not available before django 1.6	2014-12-04 12:34:49 +01:00
Gagaro	c15074873b	fix: python 3 compatibility	2014-12-04 12:27:25 +01:00
Gagaro	8e912f9738	tests: improve testing by splitting tests + use six for basestring python3 compatibility	2014-12-04 12:18:53 +01:00
Gagaro	70b4f2e9b6	fix: .travis.yml matrix exclude	2014-12-04 10:31:30 +01:00
Gagaro	124fe21d06	tests: upgrade quicktest.py + improve travis configuration	2014-12-04 10:22:31 +01:00
Florent Lebreton	738eb869fc	Merge pull request #4 from Gagaro/master splitted widgets tests	2014-12-03 12:45:50 +01:00
Gagaro	32566873a4	splitted widgets tests	2014-12-03 11:18:28 +01:00