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[Dieter Beckers <899794@xxxxxxxxxxxxxxxxxx>]

Hi all,

When I perform the actions as described in the original post, I also got
this error. I post the stacktrace below.

My environment:

Windows XP SP3
Postgres 8.3
OpenERP 6.1rc1-20120112-173907 (the installer I downloaded from the site)

In that version of OpenERP, I believe all python libs are packaged, so I
don't use any specific version of psycopg

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https://bugs.launchpad.net/bugs/899794

Title:
  [6.1] random requests fail with "TypeError: can't escape non-string
  object"

Status in OpenERP Server:
  Incomplete

Bug description:
  from a virtual ubuntu 10.04 server installing OpenERP from trunk:
  OpenERP-server rev: 3848
  OpenERP-addons rev: 5861
  OpenERP-web rev: 1596
  using pip for installing essentially all software except python-ldap, postgresql. 

  0) Go to http://<virtualserver>:8069
  Create a new database without demo data
  This should automatically log you in as Admin with a screen to install modules

  1) Click "SETTINGS" 
  2) Click "Set Company Header and Footer"
  3) Click folder icon to add new logo
  4) Click "Save"

  Result is:
  OpenERP Server Error

  Client Traceback (most recent call last):
    File "/opt/openerp/openerp-web/addons/web/common/http.py", line 154, in dispatch
      response["result"] = method(controller, self, **self.params)
    File "/opt/openerp/openerp-web/addons/web/controllers/main.py", line 772, in save
      r = m.write([id], data, req.session.eval_context(req.context))
    File "/opt/openerp/openerp-web/addons/web/common/openerplib/main.py", line 429, in proxy
      *args)
    File "/opt/openerp/openerp-web/addons/web/common/openerplib/main.py", line 306, in proxy
      result = self.connector.send(self.service_name, method, *args)
    File "/opt/openerp/openerp-web/addons/web/common/openerplib/main.py", line 276, in send
      raise fault

  
  Server Traceback (most recent call last):
    File "/opt/openerp/openerp-web/addons/web/common/openerplib/main.py", line 257, in send
      result = openerp.netsvc.dispatch_rpc(service_name, method, args)
    File "/opt/openerp/openerp-server/openerp/netsvc.py", line 325, in dispatch_rpc
      result = ExportService.getService(service_name).dispatch(method, params)
    File "/opt/openerp/openerp-server/openerp/service/web_services.py", line 580, in dispatch
      res = fn(db, uid, *params)
    File "/opt/openerp/openerp-server/openerp/osv/osv.py", line 120, in wrapper
      return f(self, dbname, *args, **kwargs)
    File "/opt/openerp/openerp-server/openerp/osv/osv.py", line 172, in execute
      res = self.execute_cr(cr, uid, obj, method, *args, **kw)
    File "/opt/openerp/openerp-server/openerp/osv/osv.py", line 163, in execute_cr
      return getattr(object, method)(cr, uid, *args, **kw)
    File "/opt/openerp/openerp-server/openerp/addons/base/res/res_company.py", line 240, in write
      return super(res_company, self).write(cr, *args, **argv)
    File "/opt/openerp/openerp-server/openerp/osv/orm.py", line 3854, in write
      'where id IN %s', upd1 + [sub_ids])
    File "/opt/openerp/openerp-server/openerp/sql_db.py", line 153, in wrapper
      return f(self, *args, **kwargs)
    File "/opt/openerp/openerp-server/openerp/sql_db.py", line 215, in execute
      res = self._obj.execute(query, params)
  TypeError: can't escape non-string object

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