django-orchestra-test/orchestra/admin/forms.py

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import textwrap
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from functools import partial
from django import forms
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from django.contrib.admin import helpers
from django.contrib.auth.hashers import identify_hasher
from django.core import validators
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from django.forms.models import modelformset_factory, BaseModelFormSet
from django.template import Template, Context
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from django.utils.translation import ugettext_lazy as _
from orchestra.forms.widgets import SpanWidget
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from ..core.validators import validate_password
class AdminFormMixin(object):
""" Provides a method for rendering a form just like in Django Admin """
def as_admin(self):
prepopulated_fields = {}
fieldsets = [
(None, {
'fields': list(self.fields.keys())
}),
]
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adminform = helpers.AdminForm(self, fieldsets, prepopulated_fields)
template = Template(
'{% for fieldset in adminform %}'
' {% include "admin/includes/fieldset.html" %}'
'{% endfor %}'
)
context = Context({
'adminform': adminform
})
return template.render(context)
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class AdminFormSet(BaseModelFormSet):
def as_admin(self):
template = Template(textwrap.dedent("""\
<div class="inline-group">
<div class="tabular inline-related last-related">
{{ formset.management_form }}
<fieldset class="module">
{{ formset.non_form_errors.as_ul }}
<table id="formset" class="form">
{% for form in formset.forms %}
{% if forloop.first %}
<thead><tr>
{% for field in form.visible_fields %}
<th>{{ field.label|capfirst }}</th>
{% endfor %}
</tr></thead>
{% endif %}
<tr class="{% cycle row1,row2 %}">
{% for field in form.visible_fields %}
<td>
{# Include the hidden fields in the form #}
{% if forloop.first %}
{% for hidden in form.hidden_fields %}
{{ hidden }}
{% endfor %}
{% endif %}
{{ field.errors.as_ul }}
{{ field }}
</td>
{% endfor %}
</tr>
{% endfor %}
</table>
</fieldset>
</div>
</div>""")
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)
context = Context({
'formset': self
})
return template.render(context)
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class AdminPasswordChangeForm(forms.Form):
"""
A form used to change the password of a user in the admin interface.
"""
error_messages = {
'password_mismatch': _("The two password fields didn't match."),
'password_missing': _("No password has been provided."),
'bad_hash': _("Invalid password format or unknown hashing algorithm."),
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}
required_css_class = 'required'
password = forms.CharField(label=_("Password"), required=False,
widget=forms.TextInput(attrs={'size':'120'}))
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password1 = forms.CharField(label=_("Password"), widget=forms.PasswordInput,
required=False, validators=[validate_password])
password2 = forms.CharField(label=_("Password (again)"), widget=forms.PasswordInput,
required=False)
def __init__(self, user, *args, **kwargs):
self.related = kwargs.pop('related', [])
self.raw = kwargs.pop('raw', False)
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self.user = user
super().__init__(*args, **kwargs)
self.password_provided = False
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for ix, rel in enumerate(self.related):
self.fields['password_%i' % ix] = forms.CharField(label=_("Password"), required=False,
widget=forms.TextInput(attrs={'size':'120'}))
setattr(self, 'clean_password_%i' % ix, partial(self.clean_password, ix=ix))
self.fields['password1_%i' % ix] = forms.CharField(label=_("Password"),
widget=forms.PasswordInput, required=False)
self.fields['password2_%i' % ix] = forms.CharField(label=_("Password (again)"),
widget=forms.PasswordInput, required=False)
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setattr(self, 'clean_password2_%i' % ix, partial(self.clean_password2, ix=ix))
def clean_password2(self, ix=''):
if ix != '':
ix = '_%i' % ix
password1 = self.cleaned_data.get('password1%s' % ix)
password2 = self.cleaned_data.get('password2%s' % ix)
if password1 and password2:
self.password_provided = True
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if password1 != password2:
raise forms.ValidationError(
self.error_messages['password_mismatch'],
code='password_mismatch',
)
elif password1 or password2:
self.password_provided = True
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raise forms.ValidationError(
self.error_messages['password_mismatch'],
code='password_mismatch',
)
return password2
def clean_password(self, ix=''):
if ix != '':
ix = '_%i' % ix
password = self.cleaned_data.get('password%s' % ix)
if password:
self.password_provided = True
try:
hasher = identify_hasher(password)
except ValueError:
raise forms.ValidationError(
self.error_messages['bad_hash'],
code='bad_hash',
)
return password
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def clean(self):
if not self.password_provided:
raise forms.ValidationError(
self.error_messages['password_missing'],
code='password_missing',
)
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def save(self, commit=True):
"""
Saves the new password.
"""
field_name = 'password' if self.raw else 'password1'
password = self.cleaned_data[field_name]
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if password:
if self.raw:
self.password = password
else:
self.user.set_password(password)
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if commit:
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try:
self.user.save(update_fields=['password'])
except ValueError:
# password is not a field but an attribute
self.user.save() # Trigger the backend
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for ix, rel in enumerate(self.related):
password = self.cleaned_data['%s_%s' % (field_name, ix)]
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if password:
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if self.raw:
rel.password = password
else:
set_password = getattr(rel, 'set_password')
set_password(password)
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if commit:
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rel.save(update_fields=['password'])
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return self.user
def _get_changed_data(self):
data = super().changed_data
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for name in self.fields.keys():
if name not in data:
return []
return ['password']
changed_data = property(_get_changed_data)
class SendEmailForm(forms.Form):
email_from = forms.EmailField(label=_("From"),
widget=forms.TextInput(attrs={'size': '118'}))
to = forms.CharField(label="To", required=False)
extra_to = forms.CharField(label="To (extra)", required=False,
widget=forms.TextInput(attrs={'size': '118'}))
subject = forms.CharField(label=_("Subject"),
widget=forms.TextInput(attrs={'size': '118'}))
message = forms.CharField(label=_("Message"),
widget=forms.Textarea(attrs={'cols': 118, 'rows': 15}))
def __init__(self, *args, **kwargs):
super().__init__(*args, **kwargs)
initial = kwargs.get('initial')
if 'to' in initial:
self.fields['to'].widget = SpanWidget(original=initial['to'])
else:
self.fields.pop('to')
def clean_comma_separated_emails(self, value):
clean_value = []
for email in value.split(','):
email = email.strip()
if email:
try:
validators.validate_email(email)
except validators.ValidationError:
raise validators.ValidationError("Comma separated email addresses.")
clean_value.append(email)
return clean_value
def clean_extra_to(self):
extra_to = self.cleaned_data['extra_to']
return self.clean_comma_separated_emails(extra_to)