Hi,
I have a model 'quitus.quitus' that contains a binary field 'scanned' as you can see below :
class quitus(osv.Model):
_name='quitus.quitus'
_columns={
    'order_id':fields.many2one('sale.order','Order',required=True),
    'employee_id':fields.many2one('hr.employee','Employee'),
    'description':fields.text('Description',required=True),
    'state':fields.selection([('draft','Draft'),('issued','Issued'),('confirmed','Confirmed')],'State',required=True,readonly=True), 
    'approver':fields.char('Approver',size=100,required=True),
    'scanned':fields.many2one('ir.attachment','Scanned Quitus'),
}
_defaults={
    'state':'draft',
}
def action_confirmed(self, cr, uid, ids):
    for o in self.browse(cr, uid, ids):
        if not o.employee_id:
            raise osv.except_osv(_('Error!'),_('You cannot confirm a quitus without employee'))
        if not o.scanned:
            raise osv.except_osv(_('Error!'),_('You cannot confirm a quitus without scanned doc'))  
    self.write(cr, uid, ids, { 'state' : 'confirmed' })
    return True
def action_issued(self, cr, uid, ids):
    self.write(cr, uid, ids, { 'state' : 'issued' })
    return True
def action_draft(self, cr, uid, ids):
    self.write(cr, uid, ids, { 'state' : 'draft' })
    return True
def action_send_mail(self, cr, uid, ids, context=None):
    assert len(ids) == 1, 'This option should only be used for a single id at a time.'
    ir_model_data = self.pool.get('ir.model.data')
    try:
        template_id = ir_model_data.get_object_reference(cr, uid, 'quitus', 'email_quitus_template')[1]
    except ValueError:
        template_id = False
    try:
        compose_form_id = ir_model_data.get_object_reference(cr, uid, 'mail', 'email_compose_message_wizard_form')[1]
    except ValueError:
        compose_form_id = False 
    ctx = dict(context)
    ctx.update({
        'default_model': 'quitus.quitus',
        'default_res_id': ids[0],
        'default_use_template': bool(template_id),
        'default_template_id': template_id,
        'default_composition_mode': 'comment',
        'mark_so_as_sent': True
    })
    return {
        'type': 'ir.actions.act_window',
        'view_type': 'form',
        'view_mode': 'form',
        'res_model': 'mail.compose.message',
        'views': [(compose_form_id, 'form')],
        'view_id': compose_form_id,
        'target': 'new',
        'context': ctx,
quitus()}
Then on my form view, I have added a button to send a mail :
<record model="ir.ui.view" id="view_quitus_form">
        <field name="name">view.quitus.form</field> 
        <field name="model">quitus.quitus</field> 
        <!-- types: tree,form,calendar,search,graph,gantt,kanban --> 
        <field name="type">form</field> 
        <field name="priority" eval="16"/> 
        <field name="arch" type="xml"> 
            <form string="Quitus form" version="7.0"> 
                    <header>
                        <button name="button_issued" string="Ready for Sign-off" states="draft" type="workflow"/>
                        <button name="button_confirmed" string="Confirm signed-off" states="issued" type="workflow"/>
                        <button name="action_send_mail" string="Send" states="confirmed" type="object"/>
                        <field name="state" 
                                widget="statusbar" 
                                statusbar_visible="draft,issued,confirmed" 
                                statusbar_colors="{"issued":"blue"}"/>
                    </header>
                    <sheet>
                        <h1>Quitus</h1>
                        <group> 
                            <field name="order_id" /> 
                            <field name="approver"/> 
                            <field name="description" /> 
                            <field name="employee_id"/>
                            <field name="scanned" />   
                        </group> 
                    </sheet>                        
            </form> 
        </field> 
    </record>
This button 'action_send_mail' works fine, and use the mail template below
<record id="email_quitus_template" model="email.template">
        <field name="model_id"  ref="quitus.model_quitus_quitus"></field>
        <field name="name">Send Quitus by mail</field>
        <field name="email_from"><![CDATA[${object.order_id.user_id.name} <${object.order_id.user_id.email}>]]></field>
        <field name="email_to"></field>
        <field name="subject">Copie de votre quitus</field>
        <field name="body_html">
            <![CDATA[
                <p>
                    Hello,
                </p>
                <p>
                    You'll find enclosed a copy of your quitus regarding order ${object.order_id.name} / ${object.order_id.client_order_ref}.
                </p>
                <p>
                    This quitus concerns :
                </p>
                <p>
                    ${object.description}
                </p>
                <p>
                    Best regards,
                </p>
                <div style="width: 375px; margin: 0px; padding: 0px; background-color: #8E0000; border-top-left-radius: 5px 5px; border-top-right-radius: 5px 5px; background-repeat: repeat no-repeat;">
                        <h3 style="margin: 0px; padding: 2px 14px; font-size: 12px; color: #DDD;">
                            <strong style="text-transform:uppercase;">${object.order_id.company_id.name}</strong></h3>
                </div>
                <div style="width: 347px; margin: 0px; padding: 5px 14px; line-height: 16px; background-color: #F2F2F2;">
                        <span style="color: #222; margin-bottom: 5px; display: block; ">
                        % if object.order_id.company_id.street:
                            ${object.order_id.company_id.street}<br/>
                        % endif
                        % if object.order_id.company_id.street2:
                            ${object.order_id.company_id.street2}<br/>
                        % endif
                        % if object.order_id.company_id.city or object.order_id.company_id.zip:
                            ${object.order_id.company_id.zip} ${object.order_id.company_id.city}<br/>
                        % endif
                        % if object.order_id.company_id.country_id:
                            ${object.order_id.company_id.state_id and ('%s, ' % object.order_id.company_id.state_id.name) or ''} ${object.order_id.company_id.country_id.name or ''}<br/>
                        % endif
                        </span>
                        % if object.order_id.company_id.phone:
                            <div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; ">
                                Tél:  ${object.order_id.company_id.phone}
                            </div>
                        % endif
                        % if object.order_id.company_id.website:
                            <div>
                                Web : <a href="${object.order_id.company_id.website}">${object.order_id.company_id.website}</a>
                            </div>
                        %endif
                        <p></p>
                    </div>
                </div>
            ]]>
        </field>
        <field name="attachment_ids">
            ${object.scanned}
        </field>
    </record>
However, I'd like to attach automatically the contents of the binary field 'scanned' to my mail ..I try this way below unsuccesfully
<field name="attachment_ids">
            ${object.scanned}
        </field>
I need some help, i'm little bit confused.
cheers
Julien
