From b1260f85a40905c60f3ab38e3397230efdb15e4b Mon Sep 17 00:00:00 2001 From: Étienne Loks Date: Sun, 3 Mar 2013 16:12:10 +0100 Subject: Work on DBF imports --- archaeological_operations/utils.py | 380 ------------------------------------- 1 file changed, 380 deletions(-) delete mode 100644 archaeological_operations/utils.py (limited to 'archaeological_operations/utils.py') diff --git a/archaeological_operations/utils.py b/archaeological_operations/utils.py deleted file mode 100644 index a244b556e..000000000 --- a/archaeological_operations/utils.py +++ /dev/null @@ -1,380 +0,0 @@ -#!/usr/bin/env python -# -*- coding: utf-8 -*- -# Copyright (C) 2012 Étienne Loks - -# This program is free software: you can redistribute it and/or modify -# it under the terms of the GNU Affero General Public License as -# published by the Free Software Foundation, either version 3 of the -# License, or (at your option) any later version. - -# This program is distributed in the hope that it will be useful, -# but WITHOUT ANY WARRANTY; without even the implied warranty of -# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -# GNU Affero General Public License for more details. - -# You should have received a copy of the GNU Affero General Public License -# along with this program. If not, see . - -# See the file COPYING for details. - -""" -Utils: import archaelogical operation from a CSV file -""" - -DELIMITER = ";" -QUOTECHAR = '"' - -import datetime -import csv, codecs -import re - -from django.conf import settings -from django.contrib.auth.models import User -from django.db import transaction - -from ishtar_common.models import Town, Person, PersonType -from archaeological_operations.models import Operation, OperationType, Period, \ - AdministrativeAct, ActType - - -def unicode_csv_reader(unicode_csv_data, dialect=csv.excel, **kwargs): - # csv.py doesn't do Unicode; encode temporarily as UTF-8: - csv_reader = csv.reader(utf_8_encoder(unicode_csv_data), - dialect=dialect, **kwargs) - for row in csv_reader: - # decode UTF-8 back to Unicode, cell by cell: - yield [unicode(cell, 'utf-8') for cell in row] - -def utf_8_encoder(unicode_csv_data): - for line in unicode_csv_data: - yield line.encode('utf-8') - -ope_types = {} -for k in settings.ISHTAR_OPE_TYPES.keys(): - ot, created = OperationType.objects.get_or_create( - txt_idx=settings.ISHTAR_OPE_TYPES[k][0], - defaults={'label':settings.ISHTAR_OPE_TYPES[k][1], - 'preventive':k[0]==u'préventive'}) - ope_types[k] = ot - -def parse_multivalue(value): - s1 = re.sub('(.)([A-Z][a-z]+)', r'\1 \2', name) - s1 = re.sub('([a-z0-9])([A-Z])', r'\1 \2', s1) - return re.sub('([0-9])([a-z])', r'\1 \2', s1) - -def parse_operationtype(value, preventive, owner): - value = (preventive.strip(), value.strip()) - if value not in ope_types: - return None - return ope_types[value] - -periods = {} -for k in settings.ISHTAR_PERIODS.keys(): - periods[k] = Period.objects.get(txt_idx=settings.ISHTAR_PERIODS[k]) -periods_keys = periods.keys() -periods_keys.sort(key=len) -periods_keys.reverse() - -def parse_period(value): - value = value[3:] if value.startswith('EUR') else value - while value.endswith('-'): - value = value[:-1] - value = value[3:] if value.startswith('EUR') else value - if not value: - return [periods[u'']] - period, old_val = [], u'' - while value and old_val != value: - old_val = value - for k in periods_keys: - if value.startswith(k): - period.append(periods[k]) - value = value[len(k):] - break - return period - -def parse_date(value): - try: - return datetime.datetime.strptime(value, '%d/%m/%Y') - except: - return None - -def parse_surface(value): - value = value.replace(',', '.') - try: - # hectare en metre carrés - value = float(value) * 10000 - if value: - return value - return None - except: - return None - -def parse_year(value): - try: - yr = int(value) - except: - return None - if yr < 1900 or yr > 2100: - return None - return yr - -def parse_insee(value): - values = [] - while len(value) > 4: - values.append(value[:5]) - value = value[5:] - towns = [] - for value in values: - try: - town = Town.objects.get(numero_insee=value) - towns.append(town) - except: - #sys.stderr.write('Numero INSEE : %s non existant en base' % value) - continue - return towns - -def parse_patriarche(value): - if not value: - return - value = value.replace(' ', '') - try: - int(value) - except: - return - return '18' + unicode(value) - -def parse_operation_code(value): - code = value.split('.')[-1] - try: - return int(code) - except: - return - -def parse_title(value): - if not value: - return - return value.title() - -def parse_person(surname, name, old_ref, owner): - values = {"surname":parse_title(surname), - "name":parse_title(name)} - q = Person.objects.filter(**values) - if q.count(): - return q.all()[0] - else: - defaults = {'history_modifier':owner, - 'title':'', - 'person_type':PersonType.objects.get( - txt_idx='head_scientist')} - defaults.update(values) - p = Person.objects.create(**defaults) - return p -# si pas de start date : premier janvier de year - -# attrs, convert -DEFAULT_OPE_COLS = [ - [], # numéro de dossier ? - (('operation_type',), parse_operationtype), - (('common_name',), unicode), - (('in_charge', 'name'), unicode), - (('in_charge', 'surname'), unicode), - [], # État ? - [], # Adresse ? - [], # origine ? - (('periods',), parse_period), - [], # Programme ? - [], # Rattach PC ? - [], # vide - (('administrative_act', 'ref_sra'), unicode), - (('administrative_act', 'signature_date'), parse_date), - (('start_date',), parse_date), - (('excavation_end_date',), parse_date), - (('year',), parse_year), - [], # identification - (('code_patriarche',), int), - [], # X degré - [], # Y degré - [], # X saisi ? - [], # Y saisi ? - [], # georef - [], # geometrie - (('surface',), parse_surface), -] - -OPE_COLS = settings.ISHTAR_OPE_COL_FORMAT if settings.ISHTAR_OPE_COL_FORMAT \ - else DEFAULT_OPE_COLS - -@transaction.commit_manually -def import_operations(values, col_defs=OPE_COLS, update=False, person=None, - stdout=None): - default_person = person or User.objects.order_by('pk').all()[0] - # key : (class, default, reverse) - key_classes = { - 'administrative_act':(AdministrativeAct, {'history_modifier':default_person, - 'act_type':ActType.objects.get( - txt_idx='excavation_order')}, 'operation'), - } - - ope_default = {'history_modifier':default_person} - new_ops = 0 - error_ope, error_reversed, error_multis = [], [], [] - for line_idx, vals in enumerate(values): - if stdout: - stdout.write("\r* line %d" % (line_idx)) - if not line_idx: - continue # remove header - args = {} - for col_idx, val in enumerate(vals): - if len(col_defs) <= col_idx or not col_defs[col_idx]: - continue - attrs, typ, extra_cols = col_defs[col_idx] - if not callable(typ): - typ = globals()[typ] - c_args = args - for attr in attrs: - if attr not in c_args: - c_args[attr] = {} - c_args = c_args[attr] - try: - if not extra_cols: - v = typ(val) - else: - arguments = [vals[col_number] for col_number in extra_cols] - if not [arg for arg in arguments if arg]: - continue - arguments += [default_person] - v = typ(val, *arguments) - except: - v = None - if len(attrs) == 1: - args[attrs[0]] = v - elif len(attrs) == 2: - args[attrs[0]][attrs[1]] = v - elif len(attrs) == 3: - args[attrs[0]][attrs[1]][attrs[2]] = v - # manage exploded dates - for k in args.keys(): - if '__year' in k: - key = k[:-len('__year')] - try: - v = datetime.datetime(args[k], args[key+'__month'], - args[key+'__day']) - args[key] = v - except: - pass - args.pop(k) - args.pop(key+'__month') - args.pop(key+'__day') - reversed_items, multis = [], [] - for k in args.keys(): - if k in key_classes: - cls, default, reverse = key_classes[k] - default.update(args[k]) - if reverse: - reversed_items.append((cls, default, reverse)) - args.pop(k) - continue - try: - obj = cls.objects.get(**default) - except: - obj = cls.objects.create(**default) - obj.save() - transaction.commit() - args[k] = obj - elif type(args[k]) == list: - multis.append((k, args[k])) - args.pop(k) - op = None - if not update and not args['operation_type']: - #print "Pas d'operation_type" - continue - try: - op = Operation.objects.get(code_patriarche=args['code_patriarche']) - if not update: - #print "Code patriarche existant" - continue - except: - pass - # check - if not args.get('year') and args.get('start_date'): - args['year'] = args['start_date'].year - # creation - if not op: - args.update(ope_default) - #if not args.get('operation_code'): - # args['operation_code'] = Operation.get_available_operation_code( - # args['year']) - #try: - op = Operation.objects.create(**args) - #op.save() - new_ops += 1 - #except: - # error_ope.append((line_idx, args)) - # transaction.rollback() - # continue - transaction.commit() - else: # mise à jour - try: - for k in args: - if getattr(op, k): - continue - setattr(op, k, args[k]) - op.save() - except: - transaction.rollback() - continue - transaction.commit() - try: - for cls, default, reverse in reversed_items: - default[reverse] = op - it = cls(**default).save() - except: - transaction.rollback() - error_reversed.append((line_idx, reversed_items)) - continue - transaction.commit() - try: - for k, vals in multis: - for v in vals: - getattr(op, k).add(v) - op.save() - except: - transaction.rollback() - error_multis.append((line_idx, multis)) - continue - transaction.commit() - - errors = [] - if error_ope: - error = "Error while recording theses operations:\n" - for line_idx, args in error_ope: - error += "line: " + str(line_idx) + " args: " + str(args) + '\n' - errors.append(error) - if error_multis: - error = "Error while recording theses multiples items attached to "\ - "operation:" - for line_idx, args in error_multis: - error += "line: " + str(line_idx) + " args: " + str(args) + '\n' - errors.append(error) - if error_reversed: - error = "Error while recording theses items that depend to operation:" - for line_idx, args in error_reversed: - error += "line: " + str(line_idx) + " args: " + str(args) + '\n' - errors.append(error) - return new_ops, errors - -def import_from_csv(filename, update=False, col_defs=OPE_COLS, - person=None, stdout=None): - """ - Import from a CSV file. - Return number of operation treated and errors. - """ - try: - values = unicode_csv_reader(codecs.open(filename, 'rb', "utf-8"), - delimiter=DELIMITER, quotechar=QUOTECHAR) - except (IOError): - return 0, [u"Incorrect CSV file."] - - new_ops, errors = import_operations(values, col_defs=col_defs, - update=update, person=person, stdout=stdout) - return new_ops, errors -- cgit v1.2.3