refactor form import csv
This commit is contained in:
Cayo Puigdefabregas
parent
f1c9608ca9
commit
d154617ca3
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@ -1,9 +1,128 @@
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import csv
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import json
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import copy
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import pandas as pd
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from jsonschema import validate
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from django import forms
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from django.core.exceptions import ValidationError
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from idhub.models import (
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DID,
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File_datas,
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Schemas,
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VerificableCredential,
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)
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from idhub_auth.models import User
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class ImportForm(forms.Form):
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did = forms.ChoiceField(choices=[])
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schema = forms.ChoiceField(choices=[])
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file_import = forms.FileField()
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def __init__(self, *args, **kwargs):
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self._schema = None
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self._did = None
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self.rows = {}
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self.user = kwargs.pop('user', None)
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super().__init__(*args, **kwargs)
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self.fields['did'].choices = [
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(x.did, x.label) for x in DID.objects.filter(user=self.user)
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]
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self.fields['schema'].choices = [
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(x.id, x.name()) for x in Schemas.objects.filter()
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]
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def clean_did(self):
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data = self.cleaned_data["did"]
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did = DID.objects.filter(
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user=self.user,
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did=data
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)
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if not did.exists():
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raise ValidationError("Did is not valid!")
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self._did = did.first()
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return data
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def clean_schema(self):
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data = self.cleaned_data["schema"]
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schema = Schemas.objects.filter(
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id=data
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)
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if not schema.exists():
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raise ValidationError("Schema is not valid!")
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self._schema = schema.first()
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return data
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def clean_file_import(self):
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data = self.cleaned_data["file_import"]
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self.file_name = data.name
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if File_datas.objects.filter(file_name=self.file_name, success=True).exists():
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raise ValidationError("This file already exists!")
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self.json_schema = json.loads(self._schema.data)
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df = pd.read_csv (data, delimiter="\t", quotechar='"', quoting=csv.QUOTE_ALL)
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data_pd = df.fillna('').to_dict()
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if not data_pd:
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self.exception("This file is empty!")
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for n in range(df.last_valid_index()+1):
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row = {}
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for k in data_pd.keys():
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row[k] = data_pd[k][n]
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user = self.validate_jsonld(n, row)
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self.rows[user] = row
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return data
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def save(self, commit=True):
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table = []
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for k, v in self.rows.items():
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table.append(self.create_credential(k, v))
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if commit:
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for cred in table:
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cred.save()
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File_datas.objects.create(file_name=self.file_name)
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return table
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return
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def validate_jsonld(self, line, row):
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try:
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validate(instance=row, schema=self.json_schema)
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except Exception as e:
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msg = "line {}: {}".format(line+1, e)
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self.exception(msg)
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user = User.objects.filter(email=row.get('email'))
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if not user:
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txt = _('The user not exist!')
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msg = "line {}: {}".format(line+1, txt)
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self.exception(msg)
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return user.first()
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def create_credential(self, user, row):
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d = copy.copy(self.json_schema)
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d['instance'] = row
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return VerificableCredential(
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verified=False,
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user=user,
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data=json.dumps(d)
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)
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def exception(self, msg):
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File_datas.objects.create(file_name=self.file_name, success=False)
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raise ValidationError(msg)
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class SchemaForm(forms.Form):
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file_template = forms.FileField()
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@ -1,5 +1,4 @@
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import os
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import csv
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import json
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import copy
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import logging
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@ -11,7 +10,12 @@ from smtplib import SMTPException
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from django.conf import settings
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from django.utils.translation import gettext_lazy as _
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from django.views.generic.base import TemplateView
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from django.views.generic.edit import UpdateView, CreateView, DeleteView
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from django.views.generic.edit import (
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CreateView,
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DeleteView,
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FormView,
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UpdateView,
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)
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from django.shortcuts import get_object_or_404, redirect
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from django.urls import reverse_lazy
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from django.http import HttpResponse
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@ -61,7 +65,7 @@ class SchemasMix(AdminView, TemplateView):
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section = "Templates"
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class ImportExport(AdminView, TemplateView):
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class ImportExport(AdminView):
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title = _("Massive Data Management")
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section = "ImportExport"
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@ -695,7 +699,7 @@ class SchemasImportAddView(SchemasMix):
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return data
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class ImportView(ImportExport):
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class ImportView(ImportExport, TemplateView):
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template_name = "idhub/admin/import.html"
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subtitle = _('Import')
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icon = ''
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@ -708,7 +712,7 @@ class ImportView(ImportExport):
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return context
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class ImportStep2View(ImportExport):
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class ImportStep2View(ImportExport, TemplateView):
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template_name = "idhub/admin/import_step2.html"
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subtitle = _('Import')
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icon = ''
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@ -721,93 +725,23 @@ class ImportStep2View(ImportExport):
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return context
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class ImportStep3View(ImportExport):
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template_name = "idhub/admin/import_step3.html"
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class ImportAddView(ImportExport, FormView):
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template_name = "idhub/admin/import_add.html"
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subtitle = _('Import')
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icon = ''
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form_class = ImportForm
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success_url = reverse_lazy('idhub:admin_import')
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def get_context_data(self, **kwargs):
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context = super().get_context_data(**kwargs)
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context.update({
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'form': ImportForm(),
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})
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return context
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def get_form_kwargs(self):
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kwargs = super().get_form_kwargs()
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kwargs['user'] = self.request.user
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return kwargs
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def post(self, request, *args, **kwargs):
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self.pk = kwargs['pk']
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self.schema = get_object_or_404(Schemas, pk=self.pk)
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form = ImportForm(request.POST, request.FILES)
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if form.is_valid():
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result = self.handle_uploaded_file()
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if not result:
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messages.error(request, _("There are some errors in the file"))
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return super().get(request, *args, **kwargs)
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return redirect(self.success_url)
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def form_valid(self, form):
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cred = form.save()
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if cred:
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messages.success(self.request, _("The file import was successfully!"))
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else:
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return super().get(request, *args, **kwargs)
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return super().post(request, *args, **kwargs)
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def handle_uploaded_file(self):
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f = self.request.FILES.get('file_import')
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if not f:
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messages.error(self.request, _("There aren't file"))
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return
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file_name = f.name
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if File_datas.objects.filter(file_name=file_name, success=True).exists():
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messages.error(self.request, _("This file already exists!"))
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return
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self.json_schema = json.loads(self.schema.data)
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df = pd.read_csv (f, delimiter="\t", quotechar='"', quoting=csv.QUOTE_ALL)
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data_pd = df.fillna('').to_dict()
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rows = {}
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if not data_pd:
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File_datas.objects.create(file_name=file_name, success=False)
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return
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for n in range(df.last_valid_index()+1):
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row = {}
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for k in data_pd.keys():
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row[k] = data_pd[k][n]
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user = self.validate(n, row)
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if not user:
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File_datas.objects.create(file_name=file_name, success=False)
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return
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rows[user] = row
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File_datas.objects.create(file_name=file_name)
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for k, v in rows.items():
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self.create_credential(k, v)
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return True
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def validate(self, line, row):
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try:
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validate(instance=row, schema=self.json_schema)
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except Exception as e:
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messages.error(self.request, "line {}: {}".format(line+1, e))
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return
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user = User.objects.filter(email=row.get('email'))
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if not user:
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txt = _('The user not exist!')
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messages.error(self.request, "line {}: {}".format(line+1, txt))
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return
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return user.first()
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def create_credential(self, user, row):
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d = copy.copy(self.json_schema)
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d['instance'] = row
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return VerificableCredential.objects.create(
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verified=False,
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user=user,
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data=json.dumps(d)
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)
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messages.error(self.request, _("Error importing the file!"))
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return super().form_valid(form)
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@ -28,7 +28,7 @@
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</tbody>
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</table>
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<div class="form-actions-no-box">
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<a class="btn btn-green-admin" href="{% url 'idhub:admin_import_step2' %}">{% translate "Import Datas" %} <i class="bi bi-plus"></i></a>
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<a class="btn btn-green-admin" href="{% url 'idhub:admin_import_add' %}">{% translate "Import Datas" %} <i class="bi bi-plus"></i></a>
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</div>
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</div>
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</div>
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@ -6,29 +6,27 @@
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<i class="{{ icon }}"></i>
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{{ subtitle }}
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</h3>
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<div class="row mt-5">
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<div class="col">
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<div class="table-responsive">
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<table class="table table-striped table-sm">
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<thead>
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<tr>
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<th scope="col"><button type="button" class="btn btn-grey border border-dark">{% trans 'Created at' %}</button></th>
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<th scope="col"><button type="button" class="btn btn-grey border border-dark">{% trans 'Template file' %}</button></th>
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<th scope="col"></th>
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<th scope="col"></th>
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</tr>
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</thead>
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<tbody>
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{% for schema in schemas.all %}
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<tr style="font-size:15px;">
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<td>{{ schema.created_at }}</td>
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<td>{{ schema.file_schema }}</td>
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<td><a class="btn btn-green-admin" href="{% url 'idhub:admin_import_step3' schema.id %}" title="{% trans 'Import Dates' %}">{% trans 'Import Dates' %}</a></td>
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</tr>
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{% load django_bootstrap5 %}
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<form role="form" method="post" enctype="multipart/form-data">
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{% csrf_token %}
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{% if form.errors %}
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<div class="alert alert-danger alert-icon alert-icon-border alert-dismissible" role="alert">
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<div class="icon"><span class="mdi mdi-close-circle-o"></span></div>
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<div class="message">
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<button class="close" type="button" data-dismiss="alert" aria-label="Close">
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<span class="mdi mdi-close" aria-hidden="true"></span>
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</button>
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{% for field, error in form.errors.items %}
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{{ error }}
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{% endfor %}
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</tbody>
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</table>
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</div>
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</div>
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</div>
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{% endif %}
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{% bootstrap_form form %}
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<div class="form-actions-no-box">
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<a class="btn btn-grey" href="{% url 'idhub:admin_import' %}">{% translate "Cancel" %}</a>
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<input class="btn btn-green-admin" type="submit" name="submit" value="{% translate 'Save' %}" />
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</div>
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</form>
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{% endblock %}
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@ -1,34 +0,0 @@
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{% extends "idhub/base_admin.html" %}
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{% load i18n %}
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{% block content %}
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<h3>
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<i class="{{ icon }}"></i>
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{{ subtitle }}
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</h3>
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<div class="row mt-5">
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<div class="col">
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<div class="table-responsive">
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<table class="table table-striped table-sm">
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<thead>
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<tr>
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<th scope="col"><button type="button" class="btn btn-grey border border-dark">{% trans 'Created at' %}</button></th>
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<th scope="col"><button type="button" class="btn btn-grey border border-dark">{% trans 'Template file' %}</button></th>
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<th scope="col"></th>
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<th scope="col"></th>
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</tr>
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</thead>
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<tbody>
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{% for schema in schemas.all %}
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<tr style="font-size:15px;">
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<td>{{ schema.created_at }}</td>
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<td>{{ schema.file_schema }}</td>
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<td><a class="btn btn-green-admin" href="{% url 'idhub:admin_import_step3' schema.id %}" title="{% trans 'Import Dates' %}">{% trans 'Import Dates' %}</a></td>
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</tr>
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{% endfor %}
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</tbody>
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</table>
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</div>
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</div>
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</div>
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{% endblock %}
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@ -1,32 +0,0 @@
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{% extends "idhub/base_admin.html" %}
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{% load i18n %}
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{% block content %}
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<h3>
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<i class="{{ icon }}"></i>
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{{ subtitle }}
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</h3>
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{% load django_bootstrap5 %}
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<form role="form" method="post" enctype="multipart/form-data">
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{% csrf_token %}
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{% if form.errors %}
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<div class="alert alert-danger alert-icon alert-icon-border alert-dismissible" role="alert">
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<div class="icon"><span class="mdi mdi-close-circle-o"></span></div>
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<div class="message">
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<button class="close" type="button" data-dismiss="alert" aria-label="Close">
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<span class="mdi mdi-close" aria-hidden="true"></span>
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</button>
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{% for field, error in form.errors.items %}
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{{ error }}
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{% endfor %}
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</div>
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</div>
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{% endif %}
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{% bootstrap_form form %}
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<div class="form-actions-no-box">
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<a class="btn btn-grey" href="{% url 'idhub:admin_import' %}">{% translate "Cancel" %}</a>
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<input class="btn btn-green-admin" type="submit" name="submit" value="{% translate 'Save' %}" />
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</div>
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</form>
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{% endblock %}
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@ -169,8 +169,6 @@ urlpatterns = [
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name='admin_schemas_import_add'),
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path('admin/import', views_admin.ImportView.as_view(),
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name='admin_import'),
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path('admin/import/new', views_admin.ImportStep2View.as_view(),
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name='admin_import_step2'),
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path('admin/import/<int:pk>/', views_admin.ImportStep3View.as_view(),
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name='admin_import_step3'),
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path('admin/import/new', views_admin.ImportAddView.as_view(),
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name='admin_import_add'),
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]
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