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import os
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import json
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from django import forms
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from django.utils.safestring import mark_safe
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from apps.main.models import Device
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from apps.main.forms import add_empty_choice
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from .models import PedestalConfiguration
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def create_choices_from_model(model, conf_id, all_choice=False):
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instance = globals()[model]
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choices = instance.objects.all().values_list('pk', 'name')
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return choices
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class PedestalConfigurationForm(forms.ModelForm):
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def __init__(self, *args, **kwargs):
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super(PedestalConfigurationForm, self).__init__(*args, **kwargs)
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instance = getattr(self, 'instance', None)
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if instance and instance.pk:
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devices = Device.objects.filter(device_type__name='pedestal')
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#if instance.experiment:
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#self.fields['experiment'].widget.attrs['read_only'] = True
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#self.fields['experiment'].widget.choices = [(instance.experiment.id, instance.experiment)]
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#self.fields['device'].widget.choices = [(device.id, device) for device in devices]
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if 'initial' in kwargs and 'experiment' in kwargs['initial'] and kwargs['initial']['experiment'] not in (0, '0'):
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self.fields['experiment'].widget.attrs['readonly'] = True
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class Meta:
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model = PedestalConfiguration
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exclude = ('template', 'type', 'parameters', 'status', 'total_units', 'author', 'hash')
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def clean(self):
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form_data = super(PedestalConfigurationForm, self).clean()
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return form_data
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def save(self, *args, **kwargs):
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conf = super(PedestalConfigurationForm, self).save(*args, **kwargs)
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conf.save()
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return conf
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class PedestalEditionForm(forms.ModelForm):
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def __init__(self, *args, **kwargs):
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super(PedestalEditionForm, self).__init__(*args, **kwargs)
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instance = getattr(self, 'instance', None)
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if instance and instance.pk:
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devices = Device.objects.filter(device_type__name='pedestal')
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#if instance.experiment:
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#self.fields['experiment'].widget.attrs['read_only'] = True
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#self.fields['experiment'].widget.choices = [(instance.experiment.id, instance.experiment)]
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#self.fields['device'].widget.choices = [(device.id, device) for device in devices]
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if 'initial' in kwargs and 'experiment' in kwargs['initial'] and kwargs['initial']['experiment'] not in (0, '0'):
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self.fields['experiment'].widget.attrs['readonly'] = True
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class Meta:
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model = PedestalConfiguration
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exclude = ('device', 'label', 'template', 'type', 'parameters', 'status', 'total_units', 'author', 'hash')
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def clean(self):
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form_data = super(PedestalEditionForm, self).clean()
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return form_data
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def save(self, *args, **kwargs):
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conf = super(PedestalEditionForm, self).save(*args, **kwargs)
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conf.save()
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return conf
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class ExtFileField(forms.FileField):
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"""
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Same as forms.FileField, but you can specify a file extension whitelist.
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>>> from django.core.files.uploadedfile import SimpleUploadedFile
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>>>
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>>> t = ExtFileField(ext_whitelist=(".pdf", ".txt"))
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>>>
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>>> t.clean(SimpleUploadedFile('filename.pdf', 'Some File Content'))
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>>> t.clean(SimpleUploadedFile('filename.txt', 'Some File Content'))
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>>>
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>>> t.clean(SimpleUploadedFile('filename.exe', 'Some File Content'))
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Traceback (most recent call last):
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...
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ValidationError: [u'Not allowed filetype!']
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"""
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def __init__(self, *args, **kwargs):
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extensions = kwargs.pop("extensions")
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self.extensions = [i.lower() for i in extensions]
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super(ExtFileField, self).__init__(*args, **kwargs)
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def clean(self, *args, **kwargs):
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data = super(ExtFileField, self).clean(*args, **kwargs)
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filename = data.name
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ext = os.path.splitext(filename)[1]
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ext = ext.lower()
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if ext not in self.extensions:
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raise forms.ValidationError('Not allowed file type: %s' % ext)
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class PedestalImportForm(forms.Form):
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file_name = ExtFileField(extensions=['.racp', '.json', '.dat'])
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