[sqlalchemy] Re: any easy way to make a just-out-of-db object readonly?
On Dec 5, 2008, at 11:10 AM, [EMAIL PROTECTED] wrote: i'm asking about SA-related stuff, i know how to handle the python side. how to lock relations, collections etc - how to make an instance readonly? and eventualy if it is poosible after that to unlock that instance at some point - so lock all the user-visible stuff but leave some flag _locked writable. you could perhaps override __setattribute__ --~--~-~--~~~---~--~~ You received this message because you are subscribed to the Google Groups sqlalchemy group. To post to this group, send email to sqlalchemy@googlegroups.com To unsubscribe from this group, send email to [EMAIL PROTECTED] For more options, visit this group at http://groups.google.com/group/sqlalchemy?hl=en -~--~~~~--~~--~--~---
[sqlalchemy] Re: any easy way to make a just-out-of-db object readonly?
On 05.12.2008 17:10 Uhr, [EMAIL PROTECTED] wrote: i'm asking about SA-related stuff, i know how to handle the python side. how to lock relations, collections etc - how to make an instance readonly? and eventualy if it is poosible after that to unlock that instance at some point - so lock all the user-visible stuff but leave some flag _locked writable. You might register a MapperExtension with your mapper. Inside the before_*() methods you could perform some checks in order to avoid any kind of write operations or modifications. -aj --~--~-~--~~~---~--~~ You received this message because you are subscribed to the Google Groups sqlalchemy group. To post to this group, send email to sqlalchemy@googlegroups.com To unsubscribe from this group, send email to [EMAIL PROTECTED] For more options, visit this group at http://groups.google.com/group/sqlalchemy?hl=en -~--~~~~--~~--~--~--- begin:vcard fn:Andreas Jung n:Jung;Andreas org:ZOPYX Ltd. Co. KG adr;quoted-printable:;;Charlottenstr. 37/1;T=C3=BCbingen;;72070;Germany email;internet:[EMAIL PROTECTED] title:CEO tel;work:+49-7071-793376 tel;fax:+49-7071-7936840 tel;home:+49-7071-793257 x-mozilla-html:FALSE url:www.zopyx.com version:2.1 end:vcard
[sqlalchemy] Re: any easy way to make a just-out-of-db object readonly?
On Friday 05 December 2008 19:22, Michael Bayer wrote: On Dec 5, 2008, at 11:10 AM, [EMAIL PROTECTED] wrote: i'm asking about SA-related stuff, i know how to handle the python side. how to lock relations, collections etc - how to make an instance readonly? and eventualy if it is poosible after that to unlock that instance at some point - so lock all the user-visible stuff but leave some flag _locked writable. you could perhaps override __setattribute__ yeah but what to do with collections... or should i override collectionclass... hmm. --~--~-~--~~~---~--~~ You received this message because you are subscribed to the Google Groups sqlalchemy group. To post to this group, send email to sqlalchemy@googlegroups.com To unsubscribe from this group, send email to [EMAIL PROTECTED] For more options, visit this group at http://groups.google.com/group/sqlalchemy?hl=en -~--~~~~--~~--~--~---
[sqlalchemy] Re: any easy way to make a just-out-of-db object readonly?
ah yes, i forgot that already have that in dbcook! but i dont think it will avoid adding things to collections. okay thanks i'll dig further. On Friday 05 December 2008 19:39, Andreas Jung wrote: On 05.12.2008 17:10 Uhr, [EMAIL PROTECTED] wrote: i'm asking about SA-related stuff, i know how to handle the python side. how to lock relations, collections etc - how to make an instance readonly? and eventualy if it is poosible after that to unlock that instance at some point - so lock all the user-visible stuff but leave some flag _locked writable. You might register a MapperExtension with your mapper. Inside the before_*() methods you could perform some checks in order to avoid any kind of write operations or modifications. -aj --~--~-~--~~~---~--~~ You received this message because you are subscribed to the Google Groups sqlalchemy group. To post to this group, send email to sqlalchemy@googlegroups.com To unsubscribe from this group, send email to [EMAIL PROTECTED] For more options, visit this group at http://groups.google.com/group/sqlalchemy?hl=en -~--~~~~--~~--~--~---
