297 lines
11 KiB
Python
297 lines
11 KiB
Python
# -*- coding: utf-8 -*-
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##############################################################################
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#
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# OpenERP, Open Source Management Solution
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# Copyright (C) 2004-2009 Tiny SPRL (<http://tiny.be>).
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU Affero General Public License as
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# published by the Free Software Foundation, either version 3 of the
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# License, or (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU Affero General Public License for more details.
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#
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# You should have received a copy of the GNU Affero General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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#
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##############################################################################
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from lxml import etree
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import openerp
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import openerp.tools as tools
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from openerp.tools.safe_eval import safe_eval
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import print_fnc
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from openerp.osv.orm import browse_null, browse_record
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class InheritDict(dict):
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# Might be usefull when we're doing name lookup for call or eval.
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def __init__(self, parent=None):
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self.parent = parent
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def __getitem__(self, name):
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if name in self:
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return super(InheritDict, self).__getitem__(name)
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else:
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if not self.parent:
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raise KeyError
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else:
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return self.parent[name]
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def tounicode(val):
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if isinstance(val, str):
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unicode_val = unicode(val, 'utf-8')
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elif isinstance(val, unicode):
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unicode_val = val
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else:
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unicode_val = unicode(val)
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return unicode_val
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class document(object):
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def __init__(self, cr, uid, datas, func=False):
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# create a new document
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self.cr = cr
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self.pool = openerp.registry(cr.dbname)
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self.func = func or {}
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self.datas = datas
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self.uid = uid
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self.bin_datas = {}
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def node_attrs_get(self, node):
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if len(node.attrib):
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return node.attrib
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return {}
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def get_value(self, browser, field_path):
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fields = field_path.split('.')
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if not len(fields):
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return ''
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value = browser
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for f in fields:
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if isinstance(value, list):
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if len(value)==0:
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return ''
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value = value[0]
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if isinstance(value, browse_null):
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return ''
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else:
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value = value[f]
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if isinstance(value, browse_null) or (type(value)==bool and not value):
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return ''
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else:
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return value
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def get_value2(self, browser, field_path):
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value = self.get_value(browser, field_path)
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if isinstance(value, browse_record):
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return value.id
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elif isinstance(value, browse_null):
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return False
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else:
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return value
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def eval(self, record, expr):
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#TODO: support remote variables (eg address.title) in expr
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# how to do that: parse the string, find dots, replace those dotted variables by temporary
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# "simple ones", fetch the value of those variables and add them (temporarily) to the _data
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# dictionary passed to eval
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#FIXME: it wont work if the data hasn't been fetched yet... this could
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# happen if the eval node is the first one using this browse_record
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# the next line is a workaround for the problem: it causes the resource to be loaded
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#Pinky: Why not this ? eval(expr, browser) ?
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# name = browser.name
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# data_dict = browser._data[self.get_value(browser, 'id')]
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return safe_eval(expr, {}, {'obj': record})
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def parse_node(self, node, parent, browser, datas=None):
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attrs = self.node_attrs_get(node)
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if 'type' in attrs:
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if attrs['type']=='field':
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value = self.get_value(browser, attrs['name'])
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#TODO: test this
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if value == '' and 'default' in attrs:
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value = attrs['default']
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el = etree.SubElement(parent, node.tag)
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el.text = tounicode(value)
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#TODO: test this
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for key, value in attrs.iteritems():
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if key not in ('type', 'name', 'default'):
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el.set(key, value)
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elif attrs['type']=='attachment':
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if isinstance(browser, list):
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model = browser[0]._table_name
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else:
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model = browser._table_name
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value = self.get_value(browser, attrs['name'])
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ids = self.pool['ir.attachment'].search(self.cr, self.uid, [('res_model','=',model),('res_id','=',int(value))])
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datas = self.pool['ir.attachment'].read(self.cr, self.uid, ids)
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if len(datas):
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# if there are several, pick first
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datas = datas[0]
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fname = str(datas['datas_fname'])
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ext = fname.split('.')[-1].lower()
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if ext in ('jpg','jpeg', 'png'):
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import base64
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from StringIO import StringIO
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dt = base64.decodestring(datas['datas'])
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fp = StringIO()
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fp.write(dt)
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i = str(len(self.bin_datas))
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self.bin_datas[i] = fp
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el = etree.SubElement(parent, node.tag)
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el.text = i
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elif attrs['type']=='data':
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#TODO: test this
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txt = self.datas.get('form', {}).get(attrs['name'], '')
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el = etree.SubElement(parent, node.tag)
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el.text = txt
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elif attrs['type']=='function':
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if attrs['name'] in self.func:
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txt = self.func[attrs['name']](node)
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else:
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txt = print_fnc.print_fnc(attrs['name'], node)
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el = etree.SubElement(parent, node.tag)
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el.text = txt
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elif attrs['type']=='eval':
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value = self.eval(browser, attrs['expr'])
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el = etree.SubElement(parent, node.tag)
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el.text = str(value)
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elif attrs['type']=='fields':
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fields = attrs['name'].split(',')
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vals = {}
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for b in browser:
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value = tuple([self.get_value2(b, f) for f in fields])
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if not value in vals:
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vals[value]=[]
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vals[value].append(b)
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keys = vals.keys()
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keys.sort()
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if 'order' in attrs and attrs['order']=='desc':
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keys.reverse()
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v_list = [vals[k] for k in keys]
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for v in v_list:
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el = etree.SubElement(parent, node.tag)
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for el_cld in node:
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self.parse_node(el_cld, el, v)
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elif attrs['type']=='call':
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if len(attrs['args']):
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#TODO: test this
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# fetches the values of the variables which names where passed in the args attribute
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args = [self.eval(browser, arg) for arg in attrs['args'].split(',')]
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else:
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args = []
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# get the object
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if 'model' in attrs:
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obj = self.pool.get(attrs['model'])
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else:
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if isinstance(browser, list):
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obj = browser[0]._table
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else:
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obj = browser._table
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# get the ids
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if 'ids' in attrs:
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ids = self.eval(browser, attrs['ids'])
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else:
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if isinstance(browser, list):
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ids = [b.id for b in browser]
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else:
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ids = [browser.id]
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# call the method itself
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newdatas = getattr(obj, attrs['name'])(self.cr, self.uid, ids, *args)
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def parse_result_tree(node, parent, datas):
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if not node.tag == etree.Comment:
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el = etree.SubElement(parent, node.tag)
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atr = self.node_attrs_get(node)
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if 'value' in atr:
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if not isinstance(datas[atr['value']], (str, unicode)):
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txt = str(datas[atr['value']])
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else:
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txt = datas[atr['value']]
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el.text = txt
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else:
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for el_cld in node:
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parse_result_tree(el_cld, el, datas)
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if not isinstance(newdatas, list):
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newdatas = [newdatas]
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for newdata in newdatas:
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parse_result_tree(node, parent, newdata)
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elif attrs['type']=='zoom':
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value = self.get_value(browser, attrs['name'])
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if value:
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if not isinstance(value, list):
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v_list = [value]
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else:
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v_list = value
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for v in v_list:
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el = etree.SubElement(parent, node.tag)
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for el_cld in node:
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self.parse_node(el_cld, el, v)
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else:
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# if there is no "type" attribute in the node, copy it to the xml data and parse its children
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if not node.tag == etree.Comment:
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if node.tag == parent.tag:
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el = parent
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else:
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el = etree.SubElement(parent, node.tag)
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for el_cld in node:
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self.parse_node(el_cld,el, browser)
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def xml_get(self):
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return etree.tostring(self.doc,encoding="utf-8",xml_declaration=True,pretty_print=True)
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def parse_tree(self, ids, model, context=None):
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if not context:
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context={}
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browser = self.pool[model].browse(self.cr, self.uid, ids, context)
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self.parse_node(self.dom, self.doc, browser)
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def parse_string(self, xml, ids, model, context=None):
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if not context:
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context={}
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# parses the xml template to memory
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self.dom = etree.XML(xml)
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# create the xml data from the xml template
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self.parse_tree(ids, model, context)
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def parse(self, filename, ids, model, context=None):
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if not context:
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context={}
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# parses the xml template to memory
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src_file = tools.file_open(filename)
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try:
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self.dom = etree.XML(src_file.read())
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self.doc = etree.Element(self.dom.tag)
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self.parse_tree(ids, model, context)
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finally:
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src_file.close()
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def close(self):
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self.doc = None
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self.dom = None
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# vim:expandtab:smartindent:tabstop=4:softtabstop=4:shiftwidth=4:
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