Start refactoring dynamic UI.
1. When using $value for form field attribute, first try cleaned_data. And only if it is absent, use raw data. 2. Move all service fields classes into separate module fields.py 3. Move some helpers to helpers.py and rename __common.py to forms.py. Change-Id: Iba27cb2f9bc1c017443e0666aa274b5f88373045
This commit is contained in:
parent
5998afd730
commit
09f3aca5b9
@ -11,7 +11,6 @@
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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import os
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from django.template.defaultfilters import slugify
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from collections import OrderedDict
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@ -24,7 +23,7 @@ _all_services = OrderedDict()
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def import_all_services():
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from muranodashboard.panel.services.__common import decamelize
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import muranodashboard.panel.services.helpers as utils
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directory = os.path.dirname(__file__)
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for fname in sorted(os.listdir(directory)):
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try:
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@ -35,7 +34,7 @@ def import_all_services():
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if (not name in _all_services or
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_all_services[name][0] < modified_on):
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with open(path) as f:
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kwargs = {decamelize(k): v
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kwargs = {utils.decamelize(k): v
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for k, v in yaml.load(f).iteritems()}
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_all_services[name] = (modified_on,
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type(name, (), kwargs))
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@ -46,14 +45,13 @@ def import_all_services():
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def iterate_over_services():
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import muranodashboard.panel.services.forms as services
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import_all_services()
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for id, service_data in _all_services.items():
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modified_on, service_cls = service_data
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from muranodashboard.panel.services.__common import \
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ServiceConfigurationForm
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forms = []
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for fields in service_cls.forms:
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class Form(ServiceConfigurationForm):
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class Form(services.ServiceConfigurationForm):
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service = service_cls
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fields_template = fields
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forms.append(Form)
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@ -25,11 +25,18 @@ from horizon import exceptions, messages
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from openstack_dashboard.api import glance
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from openstack_dashboard.api.nova import novaclient
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from muranodashboard.datagrids import DataGridCompound
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import copy
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from django.template.defaultfilters import pluralize
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import copy
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CONFIRM_ERR_DICT = {'required': _('Please confirm your password')}
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def with_request(func):
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def update(self, initial):
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request = initial.get('request')
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if request:
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func(self, request, initial)
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else:
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raise forms.ValidationError("Can't get a request information")
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return update
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class PasswordField(forms.CharField):
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@ -41,6 +48,16 @@ class PasswordField(forms.CharField):
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password_re, _('The password must contain at least one letter, one \
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number and one special character'), 'invalid')
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@staticmethod
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def get_clone_name(name):
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return name + '-clone'
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def compare(self, name, form_data):
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if self.is_original(): # run compare only for original fields
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if form_data.get(name) != form_data.get(self.get_clone_name(name)):
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raise forms.ValidationError(_(u"{0}{1} don't match".format(
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self.label, pluralize(2))))
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class PasswordInput(forms.PasswordInput):
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class Media:
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js = ('muranodashboard/js/passwordfield.js',)
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@ -98,16 +115,6 @@ class InstanceCountField(forms.IntegerField):
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return value
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def with_request(func):
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def update(self, initial):
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request = initial.get('request')
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if request:
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func(self, request, initial)
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else:
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raise forms.ValidationError("Can't get a request information")
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return update
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class DataGridField(forms.MultiValueField):
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def __init__(self, *args, **kwargs):
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kwargs['widget'] = DataGridCompound
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@ -214,64 +221,6 @@ class AZoneChoiceField(forms.ChoiceField):
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self.choices = az_choices
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def get_clone_name(name):
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return name + '-clone'
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def camelize(name):
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return ''.join([bit.capitalize() for bit in name.split('_')])
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def decamelize(name):
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pat = re.compile(r'([A-Z]*[^A-Z]*)(.*)')
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bits = []
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while True:
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head, tail = re.match(pat, name).groups()
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bits.append(head)
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if tail:
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name = tail
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else:
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break
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return '_'.join([bit.lower() for bit in bits])
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def explode(string):
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if not string:
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return string
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bits = []
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while True:
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head, tail = string[0], string[1:]
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bits.append(head)
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if tail:
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string = tail
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else:
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break
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return bits
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class UpdatableFieldsForm(forms.Form):
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def update_fields(self):
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# duplicate all password fields
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while True:
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index, inserted = 0, False
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for name, field in self.fields.iteritems():
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if isinstance(field, PasswordField) and not field.has_clone:
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self.fields.insert(index + 1,
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get_clone_name(name),
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field.clone_field())
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inserted = True
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break
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index += 1
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if not inserted:
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break
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for name, field in self.fields.iteritems():
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if hasattr(field, 'update'):
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field.update(self.initial)
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if not field.required:
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field.widget.attrs['placeholder'] = 'Optional'
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class BooleanField(forms.BooleanField):
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def __init__(self, *args, **kwargs):
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kwargs['widget'] = forms.CheckboxInput(attrs={'class': 'checkbox'})
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@ -345,216 +294,3 @@ class DatabaseListField(forms.CharField):
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super(DatabaseListField, self).validate(value)
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for db_name in value:
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self.validate_mssql_identifier(db_name)
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class ServiceConfigurationForm(UpdatableFieldsForm):
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def __init__(self, *args, **kwargs):
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super(ServiceConfigurationForm, self).__init__(*args, **kwargs)
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self.attribute_mappings = {}
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self.insert_fields(self.fields_template)
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self.initial = kwargs.get('initial', self.initial)
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self.update_fields()
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EVAL_PREFIX = '$'
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types = {
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'string': forms.CharField,
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'boolean': BooleanField,
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'instance': InstanceCountField,
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'clusterip': ClusterIPField,
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'domain': DomainChoiceField,
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'password': PasswordField,
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'integer': forms.IntegerField,
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'databaselist': DatabaseListField,
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'datagrid': DataGridField,
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'flavor': FlavorChoiceField,
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'image': ImageChoiceField,
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'azone': AZoneChoiceField,
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'text': (forms.CharField, forms.Textarea)
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}
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localizable_keys = set(['label', 'help_text', 'error_messages'])
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def init_attribute_mappings(self, field_name, kwargs):
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def set_mapping(name, value):
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"""Spawns new dictionaries for each dot found in name."""
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bits = name.split('.')
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head, tail, mapping = bits[0], bits[1:], self.attribute_mappings
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while tail:
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if not head in mapping:
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mapping[head] = {}
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head, tail, mapping = tail[0], tail[1:], mapping[head]
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mapping[head] = value
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if 'attribute_names' in kwargs:
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attr_names = kwargs['attribute_names']
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if type(attr_names) == list:
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# allow pushing field value to multiple attributes
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for attr_name in attr_names:
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set_mapping(attr_name, field_name)
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elif attr_names:
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# if attributeNames = false, do not push field value
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set_mapping(attr_names, field_name)
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del kwargs['attribute_names']
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else:
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# default mapping: field to attr with same name
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# do not spawn new dictionaries for any dot in field_name
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self.attribute_mappings[field_name] = field_name
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def init_field_descriptions(self, kwargs):
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if 'description' in kwargs:
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del kwargs['description']
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if 'description_title' in kwargs:
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del kwargs['description_title']
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def insert_fields(self, field_specs):
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def process_widget(kwargs, cls, widget):
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widget = kwargs.get('widget', widget)
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if widget is None:
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widget = cls.widget
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if 'widget_media' in kwargs:
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media = kwargs['widget_media']
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del kwargs['widget_media']
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class Widget(widget):
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class Media:
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js = media.get('js', ())
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css = media.get('css', {})
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widget = Widget
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if 'widget_attrs' in kwargs:
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widget = widget(attrs=kwargs['widget_attrs'])
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del kwargs['widget_attrs']
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return widget
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def append_properties(cls, kwargs):
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props = {}
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for key, value in kwargs.iteritems():
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if isinstance(value, property):
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props[key] = value
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for key in props.keys():
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del kwargs[key]
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if props:
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return type('cls_with_props', (cls,), props)
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else:
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return cls
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def append_field(field_spec):
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_, cls = parse_spec(field_spec['type'], 'type')
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widget = None
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if type(cls) == tuple:
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cls, widget = cls
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_, kwargs = parse_spec(field_spec)
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kwargs['widget'] = process_widget(kwargs, cls, widget)
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cls = append_properties(cls, kwargs)
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self.init_attribute_mappings(field_spec['name'], kwargs)
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self.init_field_descriptions(kwargs)
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self.fields.insert(len(self.fields),
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field_spec['name'],
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cls(**kwargs))
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def prepare_regexp(regexp):
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if regexp[0] == '/':
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groups = re.match(r'^/(.*)/([A-Za-z]*)$', regexp).groups()
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regexp, flags_str = groups
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flags = 0
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for flag in explode(flags_str):
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flag = flag.upper()
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if hasattr(re, flag):
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flags |= getattr(re, flag)
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return RegexValidator(re.compile(regexp, flags))
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else:
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return RegexValidator(re.compile(regexp))
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def is_localizable(keys):
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return set(keys).intersection(self.localizable_keys)
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def parse_spec(spec, keys=[]):
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if not type(keys) == list:
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keys = [keys]
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key = keys and keys[-1] or None
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if type(spec) == dict:
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items = []
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for k, v in spec.iteritems():
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if not k in ('type', 'name'):
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k = decamelize(k)
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newKey, v = parse_spec(v, keys + [k])
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if newKey:
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k = newKey
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items.append((k, v))
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return key, dict(items)
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elif type(spec) == list:
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return key, [parse_spec(_spec, keys)[1] for _spec in spec]
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elif type(spec) in (str, unicode) and is_localizable(keys):
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return key, _(spec)
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else:
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if key == 'type':
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return key, self.types[spec]
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elif key == 'hidden' and spec is True:
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return 'widget', forms.HiddenInput
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elif key == 'regexp_validator':
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return 'validators', [prepare_regexp(spec)]
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elif (type(spec) in (str, unicode) and
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spec[0] == self.EVAL_PREFIX):
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def _get(field):
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name = self.add_prefix(spec[1:])
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return self.data.get(name, False)
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def _set(field, value):
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# doesn't work - why?
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# super(field.__class__, field).__setattr__(key, value)
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field.__dict__[key] = value
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def _del(field):
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# doesn't work - why?
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# super(field.__class__, field).__delattr__(key)
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del field.__dict__[key]
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return key, property(_get, _set, _del)
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else:
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return key, spec
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for spec in field_specs:
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append_field(spec)
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def get_unit_templates(self, data):
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def parse_spec(spec):
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if type(spec) == list:
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return [parse_spec(_spec) for _spec in spec]
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elif type(spec) == dict:
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return {parse_spec(k): parse_spec(v)
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for k, v in spec.iteritems()}
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elif (type(spec) in (str, unicode) and
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spec[0] == self.EVAL_PREFIX):
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return data.get(spec[1:])
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else:
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return spec
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return [parse_spec(spec) for spec in self.service.unit_templates]
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def extract_attributes(self, attributes):
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def get_data(name):
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if type(name) == dict:
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return {k: get_data(v) for k, v in name.iteritems()}
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else:
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return self.cleaned_data[name]
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for attr_name, field_name in self.attribute_mappings.iteritems():
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attributes[attr_name] = get_data(field_name)
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def clean(self):
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form_data = self.cleaned_data
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def compare(name, label):
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if form_data.get(name) != form_data.get(get_clone_name(name)):
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raise forms.ValidationError(_(u"{0}{1} don't match".format(
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label, pluralize(2))))
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for name, field in self.fields.iteritems():
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if isinstance(field, PasswordField) and field.is_original():
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compare(name, field.label)
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if hasattr(field, 'postclean'):
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value = field.postclean(self, form_data)
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if value:
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self.cleaned_data[name] = value
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return self.cleaned_data
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258
muranodashboard/panel/services/forms.py
Normal file
258
muranodashboard/panel/services/forms.py
Normal file
@ -0,0 +1,258 @@
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# Copyright (c) 2013 Mirantis, Inc.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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import re
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from django import forms
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from django.core.validators import RegexValidator
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from django.utils.translation import ugettext_lazy as _
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import muranodashboard.panel.services.fields as fields
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import muranodashboard.panel.services.helpers as helpers
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class UpdatableFieldsForm(forms.Form):
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def update_fields(self):
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# duplicate all password fields
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while True:
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index, inserted = 0, False
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for name, field in self.fields.iteritems():
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if isinstance(field, fields.PasswordField) and \
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not field.has_clone:
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self.fields.insert(index + 1,
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field.get_clone_name(name),
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field.clone_field())
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inserted = True
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break
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index += 1
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if not inserted:
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break
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for name, field in self.fields.iteritems():
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if hasattr(field, 'update'):
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field.update(self.initial)
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if not field.required:
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field.widget.attrs['placeholder'] = 'Optional'
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class ServiceConfigurationForm(UpdatableFieldsForm):
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def __init__(self, *args, **kwargs):
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super(ServiceConfigurationForm, self).__init__(*args, **kwargs)
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self.attribute_mappings = {}
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self.insert_fields(self.fields_template)
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self.initial = kwargs.get('initial', self.initial)
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self.update_fields()
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EVAL_PREFIX = '$'
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types = {
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'string': forms.CharField,
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'boolean': fields.BooleanField,
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'instance': fields.InstanceCountField,
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'clusterip': fields.ClusterIPField,
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'domain': fields.DomainChoiceField,
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'password': fields.PasswordField,
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'integer': forms.IntegerField,
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'databaselist': fields.DatabaseListField,
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'datagrid': fields.DataGridField,
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'flavor': fields.FlavorChoiceField,
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'image': fields.ImageChoiceField,
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'azone': fields.AZoneChoiceField,
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'text': (forms.CharField, forms.Textarea)
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}
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localizable_keys = set(['label', 'help_text', 'error_messages'])
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def init_attribute_mappings(self, field_name, kwargs):
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def set_mapping(name, value):
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"""Spawns new dictionaries for each dot found in name."""
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bits = name.split('.')
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head, tail, mapping = bits[0], bits[1:], self.attribute_mappings
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while tail:
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if not head in mapping:
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mapping[head] = {}
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head, tail, mapping = tail[0], tail[1:], mapping[head]
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mapping[head] = value
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if 'attribute_names' in kwargs:
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attr_names = kwargs['attribute_names']
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if type(attr_names) == list:
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# allow pushing field value to multiple attributes
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for attr_name in attr_names:
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set_mapping(attr_name, field_name)
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elif attr_names:
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# if attributeNames = false, do not push field value
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set_mapping(attr_names, field_name)
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del kwargs['attribute_names']
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else:
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# default mapping: field to attr with same name
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# do not spawn new dictionaries for any dot in field_name
|
||||
self.attribute_mappings[field_name] = field_name
|
||||
|
||||
def init_field_descriptions(self, kwargs):
|
||||
if 'description' in kwargs:
|
||||
del kwargs['description']
|
||||
if 'description_title' in kwargs:
|
||||
del kwargs['description_title']
|
||||
|
||||
def insert_fields(self, field_specs):
|
||||
def process_widget(kwargs, cls, widget):
|
||||
widget = kwargs.get('widget', widget)
|
||||
if widget is None:
|
||||
widget = cls.widget
|
||||
if 'widget_media' in kwargs:
|
||||
media = kwargs['widget_media']
|
||||
del kwargs['widget_media']
|
||||
|
||||
class Widget(widget):
|
||||
class Media:
|
||||
js = media.get('js', ())
|
||||
css = media.get('css', {})
|
||||
widget = Widget
|
||||
if 'widget_attrs' in kwargs:
|
||||
widget = widget(attrs=kwargs['widget_attrs'])
|
||||
del kwargs['widget_attrs']
|
||||
return widget
|
||||
|
||||
def append_properties(cls, kwargs):
|
||||
props = {}
|
||||
for key, value in kwargs.iteritems():
|
||||
if isinstance(value, property):
|
||||
props[key] = value
|
||||
for key in props.keys():
|
||||
del kwargs[key]
|
||||
if props:
|
||||
return type('cls_with_props', (cls,), props)
|
||||
else:
|
||||
return cls
|
||||
|
||||
def append_field(field_spec):
|
||||
cls = parse_spec(field_spec['type'], 'type')[1]
|
||||
widget = None
|
||||
if type(cls) == tuple:
|
||||
cls, widget = cls
|
||||
kwargs = parse_spec(field_spec)[1]
|
||||
kwargs['widget'] = process_widget(kwargs, cls, widget)
|
||||
cls = append_properties(cls, kwargs)
|
||||
|
||||
self.init_attribute_mappings(field_spec['name'], kwargs)
|
||||
self.init_field_descriptions(kwargs)
|
||||
self.fields.insert(len(self.fields),
|
||||
field_spec['name'],
|
||||
cls(**kwargs))
|
||||
|
||||
def prepare_regexp(regexp):
|
||||
if regexp[0] == '/':
|
||||
groups = re.match(r'^/(.*)/([A-Za-z]*)$', regexp).groups()
|
||||
regexp, flags_str = groups
|
||||
flags = 0
|
||||
for flag in helpers.explode(flags_str):
|
||||
flag = flag.upper()
|
||||
if hasattr(re, flag):
|
||||
flags |= getattr(re, flag)
|
||||
return RegexValidator(re.compile(regexp, flags))
|
||||
else:
|
||||
return RegexValidator(re.compile(regexp))
|
||||
|
||||
def is_localizable(keys):
|
||||
return set(keys).intersection(self.localizable_keys)
|
||||
|
||||
def parse_spec(spec, keys=[]):
|
||||
if not type(keys) == list:
|
||||
keys = [keys]
|
||||
key = keys and keys[-1] or None
|
||||
if type(spec) == dict:
|
||||
items = []
|
||||
for k, v in spec.iteritems():
|
||||
if not k in ('type', 'name'):
|
||||
k = helpers.decamelize(k)
|
||||
newKey, v = parse_spec(v, keys + [k])
|
||||
if newKey:
|
||||
k = newKey
|
||||
items.append((k, v))
|
||||
return key, dict(items)
|
||||
elif type(spec) == list:
|
||||
return key, [parse_spec(_spec, keys)[1] for _spec in spec]
|
||||
elif type(spec) in (str, unicode) and is_localizable(keys):
|
||||
return key, _(spec)
|
||||
else:
|
||||
if key == 'type':
|
||||
return key, self.types[spec]
|
||||
elif key == 'hidden' and spec is True:
|
||||
return 'widget', forms.HiddenInput
|
||||
elif key == 'regexp_validator':
|
||||
return 'validators', [prepare_regexp(spec)]
|
||||
elif (type(spec) in (str, unicode) and
|
||||
spec[0] == self.EVAL_PREFIX):
|
||||
def _get(field):
|
||||
"""First try to get value from cleaned data, if none
|
||||
found, use raw data."""
|
||||
data = getattr(self, 'cleaned_data', None)
|
||||
value = data and data.get(spec[1:], None)
|
||||
if value is None:
|
||||
name = self.add_prefix(spec[1:])
|
||||
value = self.data.get(name, None)
|
||||
return value
|
||||
|
||||
def _set(field, value):
|
||||
# doesn't work - why?
|
||||
# super(field.__class__, field).__setattr__(key, value)
|
||||
field.__dict__[key] = value
|
||||
|
||||
def _del(field):
|
||||
# doesn't work - why?
|
||||
# super(field.__class__, field).__delattr__(key)
|
||||
del field.__dict__[key]
|
||||
|
||||
return key, property(_get, _set, _del)
|
||||
else:
|
||||
return key, spec
|
||||
|
||||
for spec in field_specs:
|
||||
append_field(spec)
|
||||
|
||||
def get_unit_templates(self, data):
|
||||
def parse_spec(spec):
|
||||
if type(spec) == list:
|
||||
return [parse_spec(_spec) for _spec in spec]
|
||||
elif type(spec) == dict:
|
||||
return {parse_spec(k): parse_spec(v)
|
||||
for k, v in spec.iteritems()}
|
||||
elif (type(spec) in (str, unicode) and
|
||||
spec[0] == self.EVAL_PREFIX):
|
||||
return data.get(spec[1:])
|
||||
else:
|
||||
return spec
|
||||
return [parse_spec(spec) for spec in self.service.unit_templates]
|
||||
|
||||
def extract_attributes(self, attributes):
|
||||
def get_data(name):
|
||||
if type(name) == dict:
|
||||
return {k: get_data(v) for k, v in name.iteritems()}
|
||||
else:
|
||||
return self.cleaned_data[name]
|
||||
for attr_name, field_name in self.attribute_mappings.iteritems():
|
||||
attributes[attr_name] = get_data(field_name)
|
||||
|
||||
def clean(self):
|
||||
form_data = self.cleaned_data
|
||||
|
||||
for name, field in self.fields.iteritems():
|
||||
if isinstance(field, fields.PasswordField):
|
||||
field.compare(name, form_data)
|
||||
|
||||
if hasattr(field, 'postclean'):
|
||||
value = field.postclean(self, form_data)
|
||||
if value:
|
||||
self.cleaned_data[name] = value
|
||||
|
||||
return self.cleaned_data
|
46
muranodashboard/panel/services/helpers.py
Normal file
46
muranodashboard/panel/services/helpers.py
Normal file
@ -0,0 +1,46 @@
|
||||
# Copyright (c) 2013 Mirantis, Inc.
|
||||
#
|
||||
# Licensed under the Apache License, Version 2.0 (the "License"); you may
|
||||
# not use this file except in compliance with the License. You may obtain
|
||||
# a copy of the License at
|
||||
#
|
||||
# http://www.apache.org/licenses/LICENSE-2.0
|
||||
#
|
||||
# Unless required by applicable law or agreed to in writing, software
|
||||
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
|
||||
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
|
||||
# License for the specific language governing permissions and limitations
|
||||
# under the License.
|
||||
|
||||
import re
|
||||
|
||||
|
||||
def camelize(name):
|
||||
return ''.join([bit.capitalize() for bit in name.split('_')])
|
||||
|
||||
|
||||
def decamelize(name):
|
||||
pat = re.compile(r'([A-Z]*[^A-Z]*)(.*)')
|
||||
bits = []
|
||||
while True:
|
||||
head, tail = re.match(pat, name).groups()
|
||||
bits.append(head)
|
||||
if tail:
|
||||
name = tail
|
||||
else:
|
||||
break
|
||||
return '_'.join([bit.lower() for bit in bits])
|
||||
|
||||
|
||||
def explode(string):
|
||||
if not string:
|
||||
return string
|
||||
bits = []
|
||||
while True:
|
||||
head, tail = string[0], string[1:]
|
||||
bits.append(head)
|
||||
if tail:
|
||||
string = tail
|
||||
else:
|
||||
break
|
||||
return bits
|
Loading…
Reference in New Issue
Block a user