2014-12-11 13:35 GMT-03:00 dewey <de...@pathoz.com>: > > I'm importing lots of text files, using csv.dictReader > > I then create model instances and store the recs in the DB > > One row from the csv file might represent a child-row, plus 4-5 parents > (using get_or_create for these) > > It would be highly convenient for me if I could disable the safety > mechanism that prevents a constructor dict from containing keys belonging > to other tables. > > I'd rather not have to split my imported row-dictionary into 5-6 other > dictionaries before calling each constructor > > In other words, I'd like to override __init__ on the base (or 1st mixin) > constructor to allow (and ignore) non-column named keys in the dict passed > as 1st constructor param > Can someone show me how to do this?? > > I'm using declarative and I'm not sure if this helps, but all of my model > objects have a __prefix__ class var that tells me the first 4 chars of my > column names. > So, all of my column (except the pkey and modification_dttm which are > declared in the base class & I've not figured out how to name them > dynamicaly at class construction), names begin with a consistent prefix. > I'd love to learn how to do dynamic naming of columns from an inherited > parent class also but that's a separate post.... > > For example: > > Class: Customer > Table: cus_customers > Cols: cus_first, cus_last, cus_dob > > -- >
Check the constructor parameter for declarative_base, that should do the trick: http://docs.sqlalchemy.org/en/rel_0_9/orm/extensions/declarative.html?highlight=declarative_base#sqlalchemy.ext.declarative.declarative_base -- You received this message because you are subscribed to the Google Groups "sqlalchemy" group. To unsubscribe from this group and stop receiving emails from it, send an email to sqlalchemy+unsubscr...@googlegroups.com. To post to this group, send email to sqlalchemy@googlegroups.com. Visit this group at http://groups.google.com/group/sqlalchemy. For more options, visit https://groups.google.com/d/optout.
