358 lines
11 KiB
Python
358 lines
11 KiB
Python
"Convert"
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import re
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import StringIO, xml.dom.minidom
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from trytond import pooler
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from trytond.osv.fields import Integer
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import csv
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import os.path
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from trytond.netsvc import Logger, LOG_ERROR, LOG_INFO, LocalService
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from trytond.config import CONFIG
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from trytond.version import VERSION
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import logging
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CDATA_START = re.compile('^\s*\<\!\[cdata\[', re.IGNORECASE)
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CDATA_END = re.compile('\]\]\>\s*$', re.IGNORECASE)
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# TODO :
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# Add some exception helper, and give a good diagnostic for the errors
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from xml import sax
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class DummyTagHandler:
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"""Dubhandler implementing empty methods. Will be used when whe
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want to ignore the xml content"""
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def __init__(self):
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pass
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def startElement(self, name, attributes):
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pass
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def characters(self, data):
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pass
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def endElement(self, name):
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pass
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class MenuitemTagHandler:
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"""Taghandler for the tag <record> """
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def __init__(self, master_handler):
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self.mh = master_handler
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def startElement(self, name, attributes):
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values = {}
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self.xml_id = attributes['id']
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for attr in ('name', 'icon', 'sequence', 'parent_id', 'action',):
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if attributes.get(attr):
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values[attr] = attributes.get(attr).encode('utf8')
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if values.get('parent_id'):
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values['parent_id'] = self.mh.get_id(values['parent_id'])
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action_name = False
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if values.get('action'):
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action_id = self.mh.get_id(values['action'])
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# TODO maybe use a prefetch for this:
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self.mh.cursor.execute(
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"SELECT a.name, a.type, act.view_type, v.type " \
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"FROM ir_action a " \
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"LEFT JOIN ir_action_report report ON (a.id = report.action) " \
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"LEFT JOIN ir_action_act_window act ON (a.id = act.action) " \
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"LEFT JOIN ir_action_wizard wizard ON (a.id = wizard.action) " \
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"LEFT JOIN ir_action_url url ON (a.id = url.action) " \
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"LEFT JOIN ir_action_act_window_view wv on (act.id = wv.act_window_id) " \
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"LEFT JOIN ir_ui_view v on (v.id = wv.view_id) " \
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"WHERE report.id = %d " \
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"OR act.id = %d " \
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"OR wizard.id = %d " \
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"OR url.id = %d " \
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"ORDER by wv.sequence " \
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"LIMIT 1", (action_id, action_id, action_id, action_id))
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action_name, action_type, view_type, view_mode = \
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self.mh.cursor.fetchone()
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values['action'] = '%s,%d' % (action_type, action_id)
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icon = attributes.get('icon', '').encode('utf8')
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if icon:
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values['icon'] = icon
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elif action_type == 'ir.action.wizard':
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values['icon'] = 'STOCK_EXECUTE'
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elif action_type == 'ir.action.report':
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values['icon'] = 'STOCK_PRINT'
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elif action_type == 'ir.action.act_window':
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if view_type == 'tree':
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values['icon'] = 'STOCK_INDENT'
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elif view_mode and view_mode.startswith('tree'):
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values['icon'] = 'STOCK_JUSTIFY_FILL'
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elif view_mode and view_mode.startswith('form'):
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values['icon'] = 'STOCK_NEW'
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elif view_mode and view_mode.startswith('graph'):
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values['icon'] = 'terp-graph'
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elif view_mode and view_mode.startswith('calendar'):
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values['icon'] = 'terp-calendar'
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else:
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values['icon'] = 'STOCK_NEW'
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if not values.get('name'):
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if not action_name:
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raise Exception("Please provide at least a 'name' attributes "
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"or a 'action' attributes on the menuitem tags.")
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else:
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values['name'] = action_name
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self.values = values
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def characters(self, data):
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pass
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def endElement(self, name):
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"""Must return the object to use for the next call """
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if name != "menuitem":
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return self
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else:
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res = self.mh.pool.get('ir.model.data').import_record(
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self.mh.cursor, self.mh.user,
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'ir.ui.menu', self.mh.module, self.values, self.xml_id)
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return None
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def current_state(self):
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return "Tag menuitem with id: %s"% \
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(self.xml_id)
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class RecordTagHandler:
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"""Taghandler for the tag <record> and all the tags inside it"""
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def __init__(self, master_handler):
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# Remind reference of parent handler
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self.mh = master_handler
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def startElement(self, name, attributes):
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# Manage the top level tag
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if name == "record":
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self.model = self.mh.pool.get(attributes["model"].encode('utf8'))
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assert self.model, "The model %s does not exist !" % \
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(attributes["model"].encode('utf8'),)
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self.xml_id = attributes["id"].encode('utf8')
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# create/update a dict containing fields values
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self.values = {}
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self.current_field = None
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self.cdata = False
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return self.xml_id
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# Manage included tags:
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elif name == "field":
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field_name = attributes['name'].encode('utf8')
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# Create a new entry in the values
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self.values[field_name] = ""
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# Remind the current name (see characters)
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self.current_field = field_name
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# Put a flag to escape cdata tags
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if field_name == "arch":
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self.cdata = "start"
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# Catch the known attributes
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search_attr = attributes.get('search','').encode('utf8')
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ref_attr = attributes.get('ref', '').encode('utf8')
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eval_attr = attributes.get('eval', '').encode('utf8')
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if search_attr:
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answer = f_obj.browse(
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cursor, self.mh.user,
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model.search(self.mh.cursor,self.mh.user, search_attr))
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if not answer: return
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if field_name in model._columns:
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if model._columns[field_name]._type == 'many2many':
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self.values[field_name] = [(6, 0, [x['id'] for x in answer])]
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elif model._columns[field_name]._type == 'many2one':
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self.values[field_name] = answer[0]['id']
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elif ref_attr:
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self.values[field_name] = self.mh.get_id(ref_attr)
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elif eval_attr:
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import time
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context = {}
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context['time'] = time
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context['version'] = VERSION.rsplit('.', 1)[0]
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context['ref'] = self.mh.get_id
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context['obj'] = lambda *a: 1
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self.values[field_name] = eval(eval_attr, context)
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else:
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raise Exception("Tags '%s' not supported inside tag record."% (name,))
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def characters(self, data):
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"""If whe are in a field tag, consume all the content"""
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if not self.current_field:
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return
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# Escape start cdata tag if necessary
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if self.cdata == "start":
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data = CDATA_START.sub('', data)
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self.start_cdata = "inside"
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self.values[self.current_field] += data.encode('utf8')
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def endElement(self, name):
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"""Must return the object to use for the next call, if name is
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not 'record' we return self to keep our hand on the
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process. If name is 'record' we return None to end the
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delegation"""
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if name == "field":
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if not self.current_field:
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raise Exception("Application error"
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"current_field expected to be set.")
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# Escape end cdata tag :
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if self.cdata == 'inside':
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self.values[self.current_field] =\
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CDATA_END.sub('', self.values[self.current_field])
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self.cdata = 'done'
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self.current_field = None
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return self
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elif name == "record":
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res = self.mh.pool.get('ir.model.data').import_record(
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self.mh.cursor, self.mh.user,
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self.model._name, self.mh.module, self.values, self.xml_id)
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return None
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else:
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raise Exception("Unexpected closing tag '%s'"% (name,))
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def current_state(self):
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return "Tag record for model %s with id: %s"% \
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(self.model and self.model._name or "?", self.xml_id)
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class TrytondXmlHandler(sax.handler.ContentHandler):
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def __init__(self, cursor, pool, module,):
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"Register known taghandlers, and managed tags."
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self.pool = pool
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self.cursor = cursor
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self.user = 0
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self.module = module
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# Tag handlders are used to delegate the processing
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self.taghandlerlist = {
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'record': RecordTagHandler(self),
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'menuitem': MenuitemTagHandler(self),
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}
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self.taghandler = None
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# Managed tags are handled by the current class
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self.managedtags= ["data", "tryton"]
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def get_id(self, xml_id):
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module = self.module
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if '.' in xml_id:
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module, xml_id = xml_id.split('.')
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return self.pool.get('ir.model.data').get_id(
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self.cursor, self.user, module, xml_id)
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def startElement(self, name, attributes):
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"""Rebind the current handler if necessary and call
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startElement on it"""
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if not self.taghandler:
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if name in self.taghandlerlist:
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self.taghandler = self.taghandlerlist[name]
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self.taghandler.startElement(name, attributes)
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elif name == "data":
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self.noupdate = attributes.get("noupdate", False)
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elif name == "tryton":
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pass
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else:
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Logger().notify_channel("init", LOG_INFO,
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"Tag "+ name + " not supported")
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return
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else:
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self.taghandler.startElement(name, attributes)
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def characters(self, data):
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if self.taghandler:
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self.taghandler.characters(data)
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def endElement(self, name):
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# Closing tag found, if we are in a delegation the handler
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# know what to do:
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if self.taghandler:
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self.taghandler = self.taghandler.endElement(name)
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def current_state(self):
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if self.taghandler:
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return self.taghandler.current_state()
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else:
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return "In top level tag"
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def convert_xml_import_sax(cursor, module, xmlstream):
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parser = sax.make_parser()
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# Tell the parser we are not interested in XML namespaces
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parser.setFeature(sax.handler.feature_namespaces, 0)
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handler = TrytondXmlHandler(
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cursor=cursor,
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pool=pooler.get_pool(cursor.dbname),
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module=module,
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)
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parser.setContentHandler(handler)
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source = sax.InputSource()
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source.setByteStream(xmlstream)
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try:
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parser.parse(source)
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except:
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Logger().notify_channel(
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"init", LOG_ERROR,
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"Error while parsing xml file. Current state is:\n" +\
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handler.current_state()
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)
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raise
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return True
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# use convert_xml_import_sax or convert_xml_import_dom
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convert_xml_import = convert_xml_import_sax
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