| Total Complexity | 60 |
| Total Lines | 469 |
| Duplicated Lines | 5.12 % |
| Changes | 0 | ||
Duplicate code is one of the most pungent code smells. A rule that is often used is to re-structure code once it is duplicated in three or more places.
Common duplication problems, and corresponding solutions are:
Complex classes like senaite.core.exportimport.genericsetup.adapters often do a lot of different things. To break such a class down, we need to identify a cohesive component within that class. A common approach to find such a component is to look for fields/methods that share the same prefixes, or suffixes.
Once you have determined the fields that belong together, you can apply the Extract Class refactoring. If the component makes sense as a sub-class, Extract Subclass is also a candidate, and is often faster.
| 1 | # -*- coding: utf-8 -*- |
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| 2 | # |
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| 3 | # This file is part of SENAITE.CORE. |
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| 4 | # |
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| 5 | # SENAITE.CORE is free software: you can redistribute it and/or modify it under |
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| 6 | # the terms of the GNU General Public License as published by the Free Software |
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| 7 | # Foundation, version 2. |
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| 8 | # |
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| 9 | # This program is distributed in the hope that it will be useful, but WITHOUT |
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| 10 | # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS |
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| 11 | # FOR A PARTICULAR PURPOSE. See the GNU General Public License for more |
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| 12 | # details. |
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| 13 | # |
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| 14 | # You should have received a copy of the GNU General Public License along with |
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| 15 | # this program; if not, write to the Free Software Foundation, Inc., 51 |
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| 16 | # Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. |
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| 17 | # |
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| 18 | # Copyright 2018-2021 by it's authors. |
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| 19 | # Some rights reserved, see README and LICENSE. |
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| 20 | |||
| 21 | import json |
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| 22 | from datetime import datetime |
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| 23 | from mimetypes import guess_type |
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| 24 | |||
| 25 | import six |
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| 26 | |||
| 27 | from bika.lims import api |
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| 28 | from bika.lims import logger |
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| 29 | from bika.lims.interfaces.field import IUIDReferenceField |
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| 30 | from DateTime import DateTime |
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| 31 | from plone.app.blob.interfaces import IBlobField |
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| 32 | from plone.app.dexterity.behaviors.metadata import default_language |
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| 33 | from plone.app.textfield.interfaces import IRichText |
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| 34 | from plone.dexterity.interfaces import IDexterityContent |
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| 35 | from plone.namedfile.interfaces import INamedField |
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| 36 | from Products.Archetypes.interfaces import IBaseObject |
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| 37 | from Products.Archetypes.interfaces import IDateTimeField |
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| 38 | from Products.Archetypes.interfaces import IField |
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| 39 | from Products.Archetypes.interfaces import IFileField |
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| 40 | from Products.Archetypes.interfaces import IReferenceField |
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| 41 | from Products.Archetypes.interfaces import ITextField |
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| 42 | from Products.CMFPlone.utils import safe_unicode |
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| 43 | from Products.GenericSetup.interfaces import ISetupEnviron |
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| 44 | from Products.GenericSetup.utils import NodeAdapterBase |
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| 45 | from senaite.core.api import dtime |
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| 46 | from senaite.core.schema.interfaces import IDataGridField |
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| 47 | from senaite.core.schema.interfaces import \ |
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| 48 | IUIDReferenceField as IUIDReferenceFieldDX |
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| 49 | from z3c.form.interfaces import IDataManager |
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| 50 | from zope.component import adapts |
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| 51 | from zope.component import getMultiAdapter |
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| 52 | from zope.interface import implements |
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| 53 | from zope.schema.interfaces import ConstraintNotSatisfied |
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| 54 | from zope.schema.interfaces import IChoice |
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| 55 | from zope.schema.interfaces import IDatetime |
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| 56 | from zope.schema.interfaces import IField as ISchemaField |
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| 57 | from zope.schema.interfaces import IText |
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| 58 | from zope.schema.interfaces import ITextLine |
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| 59 | from zope.schema.interfaces import ITuple |
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| 60 | |||
| 61 | from .config import SITE_ID |
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| 62 | from .interfaces import IFieldNode |
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| 63 | from .interfaces import IRecordField |
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| 64 | |||
| 65 | SKIP_FIELDS = [ |
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| 66 | "id", |
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| 67 | "rights", |
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| 68 | ] |
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| 69 | |||
| 70 | |||
| 71 | class ATFieldNodeAdapter(NodeAdapterBase): |
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| 72 | """Node im- and exporter for AT Fields. |
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| 73 | """ |
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| 74 | implements(IFieldNode) |
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| 75 | adapts(IBaseObject, IField, ISetupEnviron) |
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| 76 | |||
| 77 | el = "field" |
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| 78 | |||
| 79 | def __init__(self, context, field, environ): |
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| 80 | super(ATFieldNodeAdapter, self).__init__(context, environ) |
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| 81 | self.field = field |
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| 82 | |||
| 83 | def can_write(self): |
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| 84 | """Checks if the field is writable |
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| 85 | """ |
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| 86 | readonly = getattr(self.field, "readonly", False) |
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| 87 | if readonly: |
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| 88 | return False |
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| 89 | return True |
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| 90 | |||
| 91 | def set_field_value(self, value, **kw): |
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| 92 | """Set the field value |
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| 93 | """ |
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| 94 | # logger.info("Set: {} -> {}".format(self.field.getName(), value)) |
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| 95 | if not self.can_write(): |
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| 96 | logger.info("Skipping readonly field %s.%s" % ( |
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| 97 | self.context.__class__.__name__, self.field.__name__)) |
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| 98 | return |
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| 99 | return self.field.set(self.context, value, **kw) |
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| 100 | |||
| 101 | def get_field_value(self): |
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| 102 | """Get the field value |
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| 103 | """ |
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| 104 | return self.field.get(self.context) |
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| 105 | |||
| 106 | def get_json_value(self): |
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| 107 | """JSON converted field value |
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| 108 | """ |
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| 109 | value = self.get_field_value() |
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| 110 | try: |
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| 111 | # Always handle the value as unicode |
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| 112 | return json.dumps(safe_unicode(value)) |
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| 113 | except TypeError: |
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| 114 | logger.error( |
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| 115 | "ParseError: '{}.{} ('{}')' is not JSON serializable!".format( |
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| 116 | self.context.getId(), self.field.getName(), repr(value))) |
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| 117 | return "" |
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| 118 | |||
| 119 | def parse_json_value(self, value): |
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| 120 | return json.loads(value) |
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| 121 | |||
| 122 | def get_node_value(self, value): |
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| 123 | """Convert the field value to a XML node |
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| 124 | """ |
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| 125 | node = self._doc.createElement(self.el) |
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| 126 | node.setAttribute("name", self.field.getName()) |
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| 127 | child = self._doc.createTextNode(value) |
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| 128 | node.appendChild(child) |
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| 129 | return node |
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| 130 | |||
| 131 | def set_node_value(self, node): |
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| 132 | value = self.parse_json_value(node.nodeValue) |
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| 133 | # encode unicodes to UTF8 |
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| 134 | if isinstance(value, unicode): |
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| 135 | value = value.encode("utf8") |
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| 136 | self.set_field_value(value) |
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| 137 | |||
| 138 | def _exportNode(self): |
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| 139 | """Export the object as a DOM node. |
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| 140 | """ |
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| 141 | value = self.get_json_value() |
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| 142 | return self.get_node_value(value) |
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| 143 | |||
| 144 | def _importNode(self, node): |
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| 145 | """Import the object from the DOM node. |
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| 146 | """ |
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| 147 | if self.field.getName() in SKIP_FIELDS: |
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| 148 | return |
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| 149 | child = node.firstChild |
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| 150 | if child is None: |
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| 151 | return |
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| 152 | if child.nodeName != "#text": |
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| 153 | logger.warning("No textnode found!") |
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| 154 | return False |
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| 155 | self.set_node_value(child) |
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| 156 | |||
| 157 | node = property(_exportNode, _importNode) |
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| 158 | |||
| 159 | |||
| 160 | class DXFieldNodeAdapter(ATFieldNodeAdapter): |
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| 161 | """Node im- and exporter for DX Fields. |
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| 162 | """ |
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| 163 | implements(IFieldNode) |
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| 164 | adapts(IDexterityContent, ISchemaField, ISetupEnviron) |
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| 165 | |||
| 166 | def __init__(self, context, field, environ): |
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| 167 | super(DXFieldNodeAdapter, self).__init__(context, field, environ) |
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| 168 | self.field = field |
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| 169 | |||
| 170 | def can_write(self): |
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| 171 | """Checks if the field is writable |
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| 172 | """ |
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| 173 | readonly = getattr(self.field, "readonly", False) |
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| 174 | if readonly: |
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| 175 | return False |
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| 176 | dm = getMultiAdapter((self.context, self.field), IDataManager) |
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| 177 | writable = dm.canWrite() |
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| 178 | if not writable: |
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| 179 | return False |
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| 180 | return True |
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| 181 | |||
| 182 | def set_node_value(self, node): |
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| 183 | value = self.parse_json_value(node.nodeValue) |
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| 184 | self.set_field_value(value) |
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| 185 | |||
| 186 | def set_field_value(self, value, **kw): |
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| 187 | """Set the field value |
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| 188 | """ |
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| 189 | if not self.can_write(): |
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| 190 | logger.info("Skipping readonly field %s.%s" % ( |
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| 191 | self.context.__class__.__name__, self.field.__name__)) |
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| 192 | return |
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| 193 | # logger.info("Set: {} -> {}".format(self.field.getName(), value)) |
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| 194 | dm = getMultiAdapter((self.context, self.field), IDataManager) |
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| 195 | dm.set(value, **kw) |
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| 196 | |||
| 197 | def get_field_value(self): |
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| 198 | """Get the field value |
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| 199 | """ |
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| 200 | dm = getMultiAdapter((self.context, self.field), IDataManager) |
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| 201 | return dm.get() |
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| 202 | |||
| 203 | |||
| 204 | class ATTextFieldNodeAdapter(ATFieldNodeAdapter): |
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| 205 | """Import/Export Text |
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| 206 | """ |
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| 207 | adapts(IBaseObject, ITextField, ISetupEnviron) |
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| 208 | |||
| 209 | |||
| 210 | class ATFileFieldNodeAdapter(ATFieldNodeAdapter): |
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| 211 | """Import/Export Files/Images |
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| 212 | """ |
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| 213 | adapts(IBaseObject, IFileField, ISetupEnviron) |
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| 214 | |||
| 215 | def set_node_value(self, node): |
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| 216 | filename = node.nodeValue |
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| 217 | filepath = "/".join([self.get_archive_path(), filename]) |
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| 218 | data = self.get_file_data(filepath) |
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| 219 | self.set_field_value(data, filename=filename) |
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| 220 | |||
| 221 | def get_archive_path(self): |
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| 222 | """Get the unified archive path |
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| 223 | """ |
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| 224 | site = self.environ.getSite() |
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| 225 | site_path = api.get_path(site) |
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| 226 | obj_path = api.get_path(self.context) |
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| 227 | return obj_path.replace(site_path, SITE_ID, 1) |
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| 228 | |||
| 229 | def get_file_data(self, path): |
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| 230 | """Return the file data from the archive path |
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| 231 | """ |
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| 232 | return self.environ.readDataFile(path) |
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| 233 | |||
| 234 | def get_content_type(self, content, default="application/octet-stream"): |
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| 235 | """Returns the content type of the object |
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| 236 | """ |
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| 237 | return getattr(content, "content_type", default) |
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| 238 | |||
| 239 | def get_json_value(self): |
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| 240 | """Returns the filename |
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| 241 | """ |
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| 242 | value = self.get_field_value() |
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| 243 | |||
| 244 | if isinstance(value, six.string_types): |
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| 245 | return value |
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| 246 | |||
| 247 | filename = safe_unicode(value.filename) or "" |
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| 248 | data = value.data |
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| 249 | if filename and data: |
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| 250 | path = self.get_archive_path() |
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| 251 | content_type = self.get_content_type(value) |
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| 252 | self.environ.writeDataFile(filename, str(data), content_type, path) |
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| 253 | return filename |
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| 254 | |||
| 255 | |||
| 256 | class ATBlobFileFieldNodeAdapter(ATFileFieldNodeAdapter): |
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| 257 | """Import/Export AT Files/Images |
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| 258 | """ |
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| 259 | adapts(IBaseObject, IBlobField, ISetupEnviron) |
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| 260 | |||
| 261 | |||
| 262 | class DXNamedFileFieldNodeAdapter(ATBlobFileFieldNodeAdapter): |
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| 263 | """Import/Export DX Files/Images |
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| 264 | """ |
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| 265 | adapts(IDexterityContent, INamedField, ISetupEnviron) |
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| 266 | |||
| 267 | def get_content_type(self, content, default="application/octet-stream"): |
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| 268 | """Returns the content type of the object |
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| 269 | """ |
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| 270 | return getattr(content, "contentType", default) |
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| 271 | |||
| 272 | def set_node_value(self, node): |
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| 273 | filename = node.nodeValue |
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| 274 | filepath = "/".join([self.get_archive_path(), filename]) |
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| 275 | data = self.get_file_data(filepath) |
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| 276 | mime_type, encoding = guess_type(filename) |
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| 277 | self.set_field_value(data, filename=filename, content_type=mime_type) |
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| 278 | |||
| 279 | def set_field_value(self, value, **kw): |
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| 280 | """Set the field value |
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| 281 | """ |
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| 282 | # logger.info("Set: {} -> {}".format(self.field.getName(), value)) |
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| 283 | data = value |
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| 284 | if not data: |
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| 285 | logger.error("Can not set empty file contents") |
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| 286 | return |
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| 287 | filename = kw.get("filename", "") |
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| 288 | contentType = kw.get("mimetype") or kw.get("content_type") |
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| 289 | value = self.field._type( |
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| 290 | data=data, contentType=contentType, filename=filename) |
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| 291 | self.field.set(self.context, value) |
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| 292 | |||
| 293 | |||
| 294 | class ATDateTimeFieldNodeAdapter(ATFieldNodeAdapter): |
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| 295 | """Import/Export Date Fields |
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| 296 | """ |
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| 297 | adapts(IBaseObject, IDateTimeField, ISetupEnviron) |
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| 298 | |||
| 299 | def get_json_value(self): |
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| 300 | """Returns the date as ISO string |
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| 301 | """ |
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| 302 | value = self.field.get(self.context) |
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| 303 | if not isinstance(value, DateTime): |
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| 304 | return "" |
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| 305 | return value.ISO() |
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| 306 | |||
| 307 | def parse_json_value(self, value): |
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| 308 | if not value: |
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| 309 | return None |
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| 310 | return DateTime(value) |
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| 311 | |||
| 312 | |||
| 313 | class DXDateTimeFieldNodeAdapter(ATFieldNodeAdapter): |
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| 314 | """Import/Export Date Fields |
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| 315 | """ |
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| 316 | adapts(IDexterityContent, IDatetime, ISetupEnviron) |
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| 317 | |||
| 318 | def get_json_value(self): |
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| 319 | """Returns the date as ISO string |
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| 320 | """ |
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| 321 | value = self.field.get(self.context) |
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| 322 | if not isinstance(value, datetime): |
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| 323 | return "" |
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| 324 | return dtime.to_iso_format(value) |
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| 325 | |||
| 326 | def parse_json_value(self, value): |
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| 327 | if not value: |
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| 328 | return None |
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| 329 | # Avoid `UnknownTimeZoneError` by using the date API for conversion |
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| 330 | # also see https://github.com/senaite/senaite.patient/pull/29 |
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| 331 | return dtime.to_dt(value) |
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| 332 | |||
| 333 | |||
| 334 | class ATReferenceFieldNodeAdapter(ATFieldNodeAdapter): |
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| 335 | """Import/Export UID Reference Fields |
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| 336 | """ |
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| 337 | adapts(IBaseObject, IReferenceField, ISetupEnviron) |
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| 338 | |||
| 339 | def get_json_value(self): |
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| 340 | """Convert referenced objects to UIDs |
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| 341 | """ |
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| 342 | value = self.field.get(self.context) |
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| 343 | if api.is_object(value): |
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| 344 | value = api.get_uid(value) |
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| 345 | elif isinstance(value, list): |
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| 346 | value = map(api.get_uid, value) |
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| 347 | else: |
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| 348 | value = "" |
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| 349 | return json.dumps(value) |
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| 350 | |||
| 351 | |||
| 352 | class ATUIDReferenceFieldNodeAdapter(ATReferenceFieldNodeAdapter): |
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| 353 | """Import/Export UID Reference Fields |
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| 354 | """ |
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| 355 | adapts(IBaseObject, IUIDReferenceField, ISetupEnviron) |
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| 356 | |||
| 357 | |||
| 358 | class ATRecordFieldNodeAdapter(ATFieldNodeAdapter): |
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| 359 | """Import/Export Records Fields |
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| 360 | """ |
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| 361 | adapts(IBaseObject, IRecordField, ISetupEnviron) |
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| 362 | |||
| 363 | |||
| 364 | class ATRichTextFieldNodeAdapter(ATFieldNodeAdapter): |
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| 365 | """Node im- and exporter for AT RichText fields. |
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| 366 | """ |
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| 367 | implements(IFieldNode) |
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| 368 | adapts(IBaseObject, IRichText, ISetupEnviron) |
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| 369 | |||
| 370 | View Code Duplication | def get_field_value(self): |
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| 371 | """Get the field value |
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| 372 | """ |
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| 373 | value = self.field.get(self.context) |
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| 374 | if not value: |
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| 375 | return "" |
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| 376 | try: |
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| 377 | return value.raw |
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| 378 | except AttributeError as e: |
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| 379 | logger.info("Imported value has no Attribute 'raw' {}" |
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| 380 | .format(str(e))) |
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| 381 | return value |
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| 382 | |||
| 383 | |||
| 384 | class DXTupleFieldNodeAdapter(DXFieldNodeAdapter): |
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| 385 | """Node im- and exporter for DX Tuple fields. |
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| 386 | """ |
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| 387 | implements(IFieldNode) |
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| 388 | adapts(IDexterityContent, ITuple, ISetupEnviron) |
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| 389 | |||
| 390 | def set_field_value(self, value, **kw): |
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| 391 | """Set the field value |
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| 392 | """ |
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| 393 | if isinstance(value, list): |
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| 394 | value = tuple(value) |
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| 395 | super(DXTupleFieldNodeAdapter, self).set_field_value(value, **kw) |
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| 396 | |||
| 397 | |||
| 398 | class DXTextLineFieldNodeAdapter(DXFieldNodeAdapter): |
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| 399 | """Node im- and exporter for DX TextLine fields. |
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| 400 | """ |
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| 401 | implements(IFieldNode) |
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| 402 | adapts(IDexterityContent, ITextLine, ISetupEnviron) |
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| 403 | |||
| 404 | |||
| 405 | class DXTextFieldNodeAdapter(DXFieldNodeAdapter): |
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| 406 | """Node im- and exporter for DX Text fields. |
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| 407 | """ |
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| 408 | implements(IFieldNode) |
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| 409 | adapts(IDexterityContent, IText, ISetupEnviron) |
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| 410 | |||
| 411 | |||
| 412 | class DXRichTextFieldNodeAdapter(DXFieldNodeAdapter): |
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| 413 | """Node im- and exporter for DX RichText fields. |
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| 414 | """ |
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| 415 | implements(IFieldNode) |
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| 416 | adapts(IDexterityContent, IRichText, ISetupEnviron) |
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| 417 | |||
| 418 | View Code Duplication | def get_field_value(self): |
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| 419 | """Get the field value |
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| 420 | """ |
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| 421 | value = self.field.get(self.context) |
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| 422 | if not value: |
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| 423 | return "" |
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| 424 | try: |
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| 425 | return value.raw |
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| 426 | except AttributeError as e: |
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| 427 | logger.info("Imported value has no Attribute 'raw' {}" |
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| 428 | .format(str(e))) |
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| 429 | return value |
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| 430 | |||
| 431 | |||
| 432 | class DXReferenceFieldNodeAdapter(ATReferenceFieldNodeAdapter): |
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| 433 | """Import/Export DX UID Reference Fields |
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| 434 | """ |
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| 435 | adapts(IDexterityContent, IUIDReferenceFieldDX, ISetupEnviron) |
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| 436 | |||
| 437 | |||
| 438 | class DXDataGridFieldNodeAdapter(ATRecordFieldNodeAdapter): |
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| 439 | """Import/Export DataGrid Fields |
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| 440 | """ |
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| 441 | adapts(IDexterityContent, IDataGridField, ISetupEnviron) |
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| 442 | |||
| 443 | |||
| 444 | class DXChoiceFieldNodeAdapter(DXFieldNodeAdapter): |
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| 445 | """Import/Export Choice Fields |
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| 446 | """ |
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| 447 | implements(IFieldNode) |
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| 448 | adapts(IDexterityContent, IChoice, ISetupEnviron) |
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| 449 | |||
| 450 | def set_field_value(self, value, **kw): |
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| 451 | """Set the field value |
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| 452 | """ |
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| 453 | # Raises an ConstraintNotSatisfied error when the language is not |
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| 454 | # in the vocabulary of available languages |
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| 455 | if self.field.getName() == "language": |
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| 456 | value = self.sanitize_language_value(value) |
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| 457 | super(DXChoiceFieldNodeAdapter, self).set_field_value(value, **kw) |
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| 458 | |||
| 459 | def sanitize_language_value(self, value): |
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| 460 | """Ensure the given language is in the language vocabulary |
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| 461 | |||
| 462 | This avoids that the validator fails |
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| 463 | """ |
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| 464 | try: |
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| 465 | self.field._validate(value) |
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| 466 | return value |
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| 467 | except ConstraintNotSatisfied: |
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| 468 | return default_language(self.context) |
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| 469 |