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2 Commits
master ... 1.10

Author SHA1 Message Date
Florent Lebreton
667a5fdb46 Fix travis.yml 2016-10-28 10:44:13 +02:00
Florent Lebreton
86e3e185f7 Add Django 1.10 compatibility 2016-10-28 10:41:03 +02:00
44 changed files with 340 additions and 775 deletions
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66
.github/workflows/actions.yml vendored
View File

@@ -1,66 +0,0 @@
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

5
.gitignore vendored
View File

@@ -1,8 +1,3 @@
*.pyc
.coverage
htmlcov
*.egg-info
.tox
example.db
/dist
/build

32
.travis.yml Normal file
View File

@@ -0,0 +1,32 @@
language: python
python:
- 2.7
- 3.3
- 3.4
- 3.5
env:
- DJANGO_VERSION=1.7 MODULE=jsignature.tests
- DJANGO_VERSION=1.8 MODULE=jsignature.tests
- DJANGO_VERSION=1.9 MODULE=jsignature.tests
- DJANGO_VERSION=1.10 MODULE=jsignature.tests
install:
- pip install -r requirements.txt
- pip install -q Django==$DJANGO_VERSION
- pip install coverage
script: coverage run quicktest.py $MODULE
after_success:
- pip install coveralls
- coveralls
# We need to exclude old versions of Python for tests with Django >= 1.9.
matrix:
exclude:
- python: 3.3
env: DJANGO_VERSION=1.9 MODULE=jsignature.tests
- python: 3.3
env: DJANGO_VERSION=1.10 MODULE=jsignature.tests

31
CHANGES
View File

@@ -2,37 +2,6 @@
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)
==================

143
README.rst
View File

@@ -5,32 +5,28 @@ 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://img.shields.io/pypi/v/django-jsignature.svg
:target: https://pypi.python.org/pypi/django-jsignature/
:alt: Latest PyPI version
.. image:: https://travis-ci.org/fle/django-jsignature.png?branch=master
:target: https://travis-ci.org/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/fle/django-jsignature/badge.png
:target: https://coveralls.io/r/fle/django-jsignature
.. 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
==================
Installation
INSTALL
==================
For now:
::
pip install django-jsignature
==================
Usage
USAGE
==================
* Add ``jsignature`` to your ``INSTALLED_APPS``:
@@ -39,54 +35,55 @@ Usage
# settings.py
INSTALLED_APPS = (
...
'jsignature',
...
'jsignature',
)
* Use provided model field (for easy storage):
* Use provided form field and widget:
::
# models.py
from django.db import models
from jsignature.fields import JSignatureField
# forms.py
from django import forms
from jsignature.forms import JSignatureField
class SignatureModel(models.Model):
class SignatureForm(forms.Form):
signature = JSignatureField()
* In your form template
* In your template
::
{{ form.media }}
<form action="" method="post">
{{ form }}
<input type="submit" value="Save" />
<form action="." method="POST">
{% for field in form %}
{{ field.label_tag }}
{{ field }}
{% endfor %}
<input type="submit" value="Save"/>
{% csrf_token %}
</form>
* Render image from db value in your display template:
* Render image after form validation:
::
{# yourtemplate.html #}
{% load jsignature_filters %}
# views.py
from jsignature.utils import draw_signature
from myapp.forms import SignatureForm
<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>`_
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)
==================
Customization
CUSTOMIZATION
==================
JSignature plugin options are available in python:
@@ -121,11 +118,10 @@ Available settings are:
* ``JSIGNATURE_RESET_BUTTON`` (ResetButton)
==================
In your models
IN YOUR MODELS
==================
If you want to store signatures easily, a provided mixin gives a ``signature``
and a ``signature_date`` that update themselves:
If you wan to store signatures, provided mixin gives a ``signature`` and a ``signature_date`` that update themselves:
::
@@ -137,69 +133,10 @@ and a ``signature_date`` that update themselves:
==================
In your forms
AUTHORS
==================
* 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)
* Florent Lebreton <florent.lebreton@makina-corpus.com>
|makinacom|_

0
example_project/__init__.py
View File

5
example_project/admin.py
View File

@@ -1,5 +0,0 @@
from django.contrib import admin
from .models import ExampleModel
admin.site.register(ExampleModel)

10
example_project/manage.py
View File

@@ -1,10 +0,0 @@
#!/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)

26
example_project/migrations/0001_initial.py
View File

@@ -1,26 +0,0 @@
# 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,
},
),
]

0
example_project/migrations/__init__.py
View File

5
example_project/models.py
View File

@@ -1,5 +0,0 @@
from jsignature.mixins import JSignatureFieldsMixin
class ExampleModel(JSignatureFieldsMixin):
pass

67
example_project/settings.py
View File

@@ -1,67 +0,0 @@
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'

39
example_project/templates/base.html
View File

@@ -1,39 +0,0 @@
<!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>

14
example_project/templates/example_project/examplemodel_form.html
View File

@@ -1,14 +0,0 @@
{% 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 %}

24
example_project/templates/example_project/examplemodel_list.html
View File

@@ -1,24 +0,0 @@
{% 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 %}

13
example_project/urls.py
View File

@@ -1,13 +0,0 @@
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),
]

20
example_project/views.py
View File

@@ -1,20 +0,0 @@
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

26
jsignature/fields.py
View File

@@ -3,21 +3,14 @@
with jSignature jQuery plugin
"""
import json
import six
from django.db import models
from django.core.exceptions import ValidationError
from .forms import (
JSignatureField as JSignatureFormField,
JSIGNATURE_EMPTY_VALUES,
)
try:
from django.utils import six
string_types = six.string_types
except ImportError:
string_types = str
JSIGNATURE_EMPTY_VALUES)
class JSignatureField(models.Field):
@@ -30,10 +23,6 @@ class JSignatureField(models.Field):
return 'TextField'
def to_python(self, value):
"""
Validates that the input can be red as a JSON object. Returns a Python
datetime.date object.
"""
if value in JSIGNATURE_EMPTY_VALUES:
return None
elif isinstance(value, list):
@@ -43,10 +32,18 @@ class JSignatureField(models.Field):
except ValueError:
raise ValidationError('Invalid JSON format.')
def from_db_value(self, value, expression, connection, context):
if value in JSIGNATURE_EMPTY_VALUES:
return None
try:
return json.loads(value)
except ValueError:
raise ValidationError('Invalid JSON format.')
def get_prep_value(self, value):
if value in JSIGNATURE_EMPTY_VALUES:
return None
elif isinstance(value, string_types):
elif isinstance(value, six.string_types):
return value
elif isinstance(value, list):
return json.dumps(value)
@@ -56,3 +53,4 @@ class JSignatureField(models.Field):
defaults = {'form_class': JSignatureFormField}
defaults.update(kwargs)
return super(JSignatureField, self).formfield(**defaults)

20
jsignature/forms.py
View File

@@ -18,13 +18,13 @@ class JSignatureField(Field):
widget = JSignatureWidget()
def to_python(self, value):
"""
Validates that the input can be red as a JSON object.
Returns a Python list (JSON object unserialized).
"""
if value in JSIGNATURE_EMPTY_VALUES:
return None
try:
return json.loads(value)
except ValueError:
raise ValidationError('Invalid JSON format.')
"""
Validates that the input can be red as a JSON object.
Returns a Python list (JSON object unserialized).
"""
if value in JSIGNATURE_EMPTY_VALUES:
return None
try:
return json.loads(value)
except ValueError:
raise ValidationError('Invalid JSON format.')

5
jsignature/mixins.py
View File

@@ -2,10 +2,9 @@
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 gettext_lazy as _
from django.utils.translation import ugettext_lazy as _
from .fields import JSignatureField
@@ -29,7 +28,7 @@ class JSignatureFieldsMixin(models.Model):
original = not is_new and self.__class__.objects.get(pk=self.pk)
if self.signature:
if is_new or json.dumps(self.signature) != original.signature:
if is_new or self.signature != original.signature:
self.signature_date = datetime.now()
else:
self.signature_date = None

3
jsignature/settings.py
View File

@@ -17,9 +17,6 @@ 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,

41
jsignature/static/js/django_jsignature.js
View File

@@ -1,22 +1,21 @@
(function($) {
$(document).ready(function() {
$(".jsign-container").each(function(){
var config = $(this).data('config');
var value = $(this).data('initial-value');
$(this).jSignature(config);
$(this).jSignature("setData", value, "native");
});
/* Each time user is done drawing a stroke, update value of hidden input */
$(".jsign-container").on("change", function(e) {
var jSignature_data = $(this).jSignature('getData', 'native');
var django_field_name = $(this).attr('id').split(/_(.+)/)[1];
$('#id_' + django_field_name).val(JSON.stringify(jSignature_data));
});
/* Bind clear button */
$(".jsign-wrapper input").on("click", function(e) {
$(this).siblings('.jsign-container').jSignature('reset');
});
$(document).ready(function() {
$(".jsign-container").each(function(){
var config = $(this).data('config');
var value = $(this).data('initial-value');
$(this).jSignature(config);
$(this).jSignature("setData", value, "native");
});
})(jQuery || django.jQuery)
/* Each time user is done drawing a stroke, update value of hidden input */
$(".jsign-container").on("change", function(e) {
var jSignature_data = $(this).jSignature('getData', 'native');
var django_field_name = $(this).attr('id').split(/_(.+)/)[1];
$('#id_' + django_field_name).val(JSON.stringify(jSignature_data));
});
/* Bind clear button */
$(".jsign-wrapper input").on("click", function(e) {
$(this).siblings('.jsign-container').jSignature('reset');
});
});

104
jsignature/static/js/jSignature.min.js vendored Executable file → Normal file
View File

@@ -1,16 +1,11 @@
/*
jSignature v2 "2018-11-06T13:56" "commit ID 89c22b348ab2e1d92a928d8fd992f175e8bc5cbd"
jSignature v2 "2013-08-26T07:00" "commit ID 986265299fecdb0f5b20acce92319220809707bf"
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
@@ -31,51 +26,54 @@ 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
*/
(function(){function q(a){var b=a.css("color"),c;a=a[0];for(var g=!1;a&&!c&&!g;){try{var d=$(a).css("background-color")}catch(l){d="transparent"}"transparent"!==d&&"rgba(0, 0, 0, 0)"!==d&&(c=d);g=a.body;a=a.parentNode}a=/rgb[a]*\((\d+),\s*(\d+),\s*(\d+)/;g=/#([AaBbCcDdEeFf\d]{2})([AaBbCcDdEeFf\d]{2})([AaBbCcDdEeFf\d]{2})/;d=void 0;if(d=b.match(a))var m={r:parseInt(d[1],10),g:parseInt(d[2],10),b:parseInt(d[3],10)};else(d=b.match(g))&&(m={r:parseInt(d[1],16),g:parseInt(d[2],16),b:parseInt(d[3],16)});
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2<b?(new h(a.x[b-3],a.y[b-3])).getVectorToPoint(e):new k(0,0);var n=.35*f.getLength(),t=f.angleTo(l.reverse()),p=d.angleTo(f.reverse());l=(new k(l.x+f.x,l.y+f.y)).resizeTo(Math.max(.05,t)*n);var r=(new k(f.x+d.x,f.y+d.y)).reverse().resizeTo(Math.max(.05,p)*n);f=this.canvasContext;n=e.x;p=e.y;t=c.x;var D=c.y,A=e.x+l.x;e=e.y+l.y;l=c.x+r.x;r=c.y+r.y;f.beginPath();f.moveTo(n,p);f.bezierCurveTo(A,e,l,r,t,D);f.closePath();f.stroke()}}d.getLength()<=this.lineCurveThreshold&&y(this.canvasContext,c.x,c.y,
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padding:0,border:"none",height:"ratio"!==a.height&&a.height?a.height.toString(10):1,width:"ratio"!==a.width&&a.width?a.width.toString(10):1,"-ms-touch-action":"none","touch-action":"none","background-color":a["background-color"]});c.appendTo(this.$parent);"ratio"===a.height?c.css("height",Math.round(c.width()/a.sizeRatio)):"ratio"===a.width&&c.css("width",Math.round(c.height()*a.sizeRatio));c.addClass("jSignature");b.width=c.width();b.height=c.height();this.isCanvasEmulator=x(b);b.onselectstart=function(a){a&&
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g);c("addPlugin","export",x,g);c("addPlugin","export","svgbase64",v);c("addPlugin","export",y,v)})($)})();

4
jsignature/static/js/jsignature_admin_init.js
View File

@@ -1,4 +0,0 @@
if (django && django.jQuery) {
var jQuery = django.jQuery;
var $ = django.jQuery;
}

0
jsignature/templatetags/__init__.py
View File

21
jsignature/templatetags/jsignature_filters.py
View File

@@ -1,21 +0,0 @@
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'))
)

5
jsignature/tests/__init__.py Normal file
View File

@@ -0,0 +1,5 @@
from .widgets import JSignatureWidgetTest
from .forms import JSignatureFormFieldTest
from .fields import JSignatureFieldTest
from .mixins import JSignatureFieldsMixinTest
from .utils import UtilsTest

39
tests/test_fields.py → jsignature/tests/fields.py
View File

@@ -1,17 +1,11 @@
import json
import six
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
from ..fields import JSignatureField
from ..forms import JSignatureField as JSignatureFormField
class JSignatureFieldTest(SimpleTestCase):
@@ -24,19 +18,34 @@ class JSignatureFieldTest(SimpleTestCase):
def test_to_python_correct_value_python(self):
f = JSignatureField()
val = [{"x": [1, 2], "y": [3, 4]}]
self.assertEqual(val, f.to_python(val))
self.assertEquals(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))
self.assertEquals(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_from_db_value_empty(self):
f = JSignatureField()
self.assertIsNone(f.from_db_value(''))
def test_from_db_value_correct_value_json(self):
f = JSignatureField()
val = [{"x": [1, 2], "y": [3, 4]}]
val_str = '[{"x":[1,2], "y":[3,4]}]'
self.assertEquals(val, f.from_db_value(val_str))
def test_from_db_value_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 ['', [], '[]']:
@@ -46,16 +55,16 @@ class JSignatureFieldTest(SimpleTestCase):
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))
self.assertIsInstance(val_prep, six.string_types)
self.assertEquals(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))
self.assertIsInstance(val_prep, six.string_types)
self.assertEquals(val, json.loads(val_prep))
def test_get_prep_value_incorrect_values(self):
f = JSignatureField()

6
tests/test_forms.py → jsignature/tests/forms.py
View File

@@ -1,8 +1,8 @@
from django.test import SimpleTestCase
from django.core.exceptions import ValidationError
from jsignature.widgets import JSignatureWidget
from jsignature.forms import JSignatureField
from ..widgets import JSignatureWidget
from ..forms import JSignatureField
class JSignatureFormFieldTest(SimpleTestCase):
@@ -19,7 +19,7 @@ class JSignatureFormFieldTest(SimpleTestCase):
def test_to_python_correct_values(self):
f = JSignatureField()
val = '[{"x":[1,2], "y":[3,4]}]'
self.assertEqual([{'x': [1, 2], 'y': [3, 4]}], f.to_python(val))
self.assertEquals([{'x': [1, 2], 'y': [3, 4]}], f.to_python(val))
def test_to_python_incorrect_values(self):
f = JSignatureField()

18
tests/test_mixins.py → jsignature/tests/mixins.py
View File

@@ -1,10 +1,24 @@
from datetime import date
from django.test import TestCase
from django.conf import settings
from django.db.models import loading
from django.test import SimpleTestCase
from django.core.management import call_command
from .models import JSignatureTestModel
class JSignatureFieldsMixinTest(TestCase):
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_create(self):
# If an object is created signed, signature date must be set
signature_value = [{"x": [1, 2], "y": [3, 4]}]

2
tests/models.py → jsignature/tests/models.py
View File

@@ -1,5 +1,5 @@
""" Provides a dummy model implementing JSignatureFieldsMixin """
from jsignature.mixins import JSignatureFieldsMixin
from ..mixins import JSignatureFieldsMixin
class JSignatureTestModel(JSignatureFieldsMixin):

2
tests/test_utils.py → jsignature/tests/utils.py
View File

@@ -4,7 +4,7 @@ import imghdr
from PIL import Image
from django.test import SimpleTestCase
from jsignature.utils import draw_signature
from ..utils import draw_signature
DUMMY_VALUE = [{"x": [205, 210], "y": [59, 63]},
{"x": [205, 207], "y": [67, 64]}]

43
tests/test_widgets.py → jsignature/tests/widgets.py
View File

@@ -1,21 +1,16 @@
import json
from pyquery import PyQuery as pq
import six
from django.test import SimpleTestCase, override_settings
from django.test import SimpleTestCase
from django.core.exceptions import ValidationError
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
from ..widgets import JSignatureWidget
from ..settings import JSIGNATURE_HEIGHT
class JSignatureWidgetTest(SimpleTestCase):
def test_default_media(self):
widget = JSignatureWidget()
media = widget.media
@@ -25,28 +20,14 @@ 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.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))
self.assertEquals([], media_css)
def test_init(self):
w = JSignatureWidget()
self.assertEqual({}, w.jsignature_attrs)
self.assertEquals({}, w.jsignature_attrs)
given_attrs = {'width': 300, 'height': 100}
w = JSignatureWidget(jsignature_attrs=given_attrs)
self.assertEqual(given_attrs, w.jsignature_attrs)
self.assertEquals(given_attrs, w.jsignature_attrs)
def test_build_jsignature_id(self):
w = JSignatureWidget()
@@ -68,16 +49,16 @@ class JSignatureWidgetTest(SimpleTestCase):
w = JSignatureWidget()
val = [{"x": [1, 2], "y": [3, 4]}]
val_prep = w.prep_value(val)
self.assertIsInstance(val_prep, string_types)
self.assertEqual(val, json.loads(val_prep))
self.assertIsInstance(val_prep, six.string_types)
self.assertEquals(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, string_types)
self.assertEqual(val, json.loads(val_prep))
self.assertIsInstance(val_prep, six.string_types)
self.assertEquals(val, json.loads(val_prep))
def test_prep_value_incorrect_values(self):
w = JSignatureWidget()

18
jsignature/utils.py
View File

@@ -15,31 +15,25 @@ 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, object_hook=_remove_empty_pts)
drawing = json.loads(data)
elif type(data) is list:
drawing = data
else:
raise ValueError
# Compute box
width = int(round(max(chain(*[d['x'] for d in drawing])))) + 10
height = int(round(max(chain(*[d['y'] for d in drawing])))) + 10
width = max(chain(*[d['x'] for d in drawing])) + 10
height = 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()

38
jsignature/widgets.py
View File

@@ -3,28 +3,21 @@
with jSignature jQuery plugin
"""
import json
import six
from django.conf import settings
from django.template.loader import render_to_string
from django import forms
from django.forms.widgets import HiddenInput
from django.core import validators
from django.core.exceptions import ValidationError
from django.utils.safestring import mark_safe
from django.utils.translation import gettext_lazy as _
from django.utils.translation import ugettext_lazy as _
from jsignature.settings import JSIGNATURE_DEFAULT_CONFIG
JSIGNATURE_EMPTY_VALUES = validators.EMPTY_VALUES + ('[]', )
try:
from django.utils import six
string_types = six.string_types
except ImportError:
string_types = str
class JSignatureWidget(forms.HiddenInput):
class JSignatureWidget(HiddenInput):
"""
A widget handling a signature capture field with with jSignature
"""
@@ -33,22 +26,9 @@ class JSignatureWidget(forms.HiddenInput):
# normal field, not a hidden one
is_hidden = False
@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)
class Media:
js = ('js/jSignature.min.js',
'js/django_jsignature.js')
def __init__(self, attrs=None, jsignature_attrs=None):
super(JSignatureWidget, self).__init__(attrs)
@@ -73,13 +53,13 @@ class JSignatureWidget(forms.HiddenInput):
""" Prepare value before effectively render widget """
if value in JSIGNATURE_EMPTY_VALUES:
return "[]"
elif isinstance(value, string_types):
elif isinstance(value, six.string_types):
return value
elif isinstance(value, list):
return json.dumps(value)
raise ValidationError('Invalid format.')
def render(self, name, value, attrs=None, renderer=None):
def render(self, name, value, attrs=None):
""" Render widget """
# Build config
jsign_id = self.build_jsignature_id(name)

82
quicktest.py Normal file
View File

@@ -0,0 +1,82 @@
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 = (
)
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(
TEMPLATE_DIRS = ('jsignature/templates/',),
ROOT_URLCONF = 'jsignature.tests',
DEBUG = True,
DATABASES = {
'default': {
'ENGINE': 'django.db.backends.sqlite3',
'NAME': os.path.join(self.DIRNAME, 'database.db'),
'USER': '',
'PASSWORD': '',
'HOST': '',
'PORT': '',
}
},
MIDDLEWARE_CLASSES = (
'django.contrib.sessions.middleware.SessionMiddleware',
'django.middleware.common.CommonMiddleware',
'django.middleware.csrf.CsrfViewMiddleware',
'django.contrib.auth.middleware.AuthenticationMiddleware',
'django.contrib.messages.middleware.MessageMiddleware',
),
INSTALLED_APPS = self.INSTALLED_APPS + self.apps
)
# Setup is needed for Django >= 1.7
import django
if hasattr(django, 'setup'):
django.setup()
try:
from django.test.runner import DiscoverRunner
failures = DiscoverRunner().run_tests(self.apps, verbosity=1)
except ImportError:
# DjangoTestSuiteRunner has been deprecated in Django 1.7
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)

4
requirements.txt
View File

@@ -1,3 +1,3 @@
pillow
pyquery<1.4.2; python_version<="2.7"
pyquery>=1.4.2; python_version>"2.7"
pyquery
six

15
runtests.py
View File

@@ -1,15 +0,0 @@
#!/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))

27
setup.py
View File

@@ -5,17 +5,17 @@ here = os.path.abspath(os.path.dirname(__file__))
setup(
name='django-jsignature',
version='0.12',
version='0.8',
author='Florent Lebreton',
author_email='florent.lebreton@makina-corpus.com',
url='https://github.com/fle/django-jsignature',
download_url='http://pypi.python.org/pypi/django-jsignature',
download_url='https://github.com/fle/django-jsignature/tarball/0.8',
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>=1.11', 'pillow', 'pyquery>=1.4.2'],
packages=find_packages(exclude=['example_project*', 'tests']),
install_requires=['Django'],
packages=find_packages(),
include_package_data=True,
zip_safe=False,
classifiers=[
@@ -25,17 +25,14 @@ 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',
'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',
'Programming Language :: Python',
'Programming Language :: Python :: 2',
'Programming Language :: Python :: 2.6',
'Programming Language :: Python :: 2.7',
'Programming Language :: Python :: 3',
'Programming Language :: Python :: 3.2',
'Programming Language :: Python :: 3.3',
'Programming Language :: Python :: 3.4'
],
)

0
tests/__init__.py
View File

36
tests/settings.py
View File

@@ -1,36 +0,0 @@
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,
},
]

12
tests/test_faulty_signature.py
View File

@@ -1,12 +0,0 @@
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)

19
tests/test_filter.py
View File

@@ -1,19 +0,0 @@
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=")

25
tox.ini
View File

@@ -1,25 +0,0 @@
[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}