I'm still trying to understand this issue, as it is related to my custom widget (does not occurs when I use the default "reference" list widget)
I try to set some breakpoints for example in "accepts" method of "FORM" class but I can't make it work. If I add "dbg.set_trace()",the program breaks several lines later, in my application code, but never in gluon code If I add a breakpoint using pycharm, the program never breaks Is it because of the use of "exec in" statement at the heart of gluon? How can I check input / output values of gluon's methods call without adding "print" statements everywhere? Thanks a lot Le jeudi 5 décembre 2013 23:05:32 UTC+1, Massimo Di Pierro a écrit : > > I understand and I do not understand why the problem arises there but your > error is: > > <class 'sqlite3.IntegrityError'> foreign key constraint failed > > So I would exclude it is a problem with the foreign key contraints. > > On Thursday, 5 December 2013 09:46:59 UTC-6, Loïc wrote: >> >> I know Massimo, but my problem seems to be located in the Widget >> management >> And that's why I started my message with " >> *I have the same problem as the one explained here : >> https://groups.google.com/forum/?fromgroups#!topic/web2py/klspqXpha4E >> <https://groups.google.com/forum/?fromgroups#%21topic/web2py/klspqXpha4E>But >> as I have more specific informations, I start a new thread...*" >> >> Do you have any hints about that? >> Thank you >> >> Le jeudi 5 décembre 2013 16:27:55 UTC+1, Massimo Di Pierro a écrit : >>> >>> The problem is discussed here: >>> https://groups.google.com/forum/#!topic/web2py/klspqXpha4E >>> >>> On Thursday, 5 December 2013 05:04:17 UTC-6, Loïc wrote: >>>> >>>> Hello all- >>>> >>>> I have the same problem as the one explained here >>>> :https://groups.google.com/forum/?fromgroups#!topic/web2py/klspqXpha4E >>>> But as I have more specific informations, I start a new thread... >>>> >>>> *My Model (simplified) : * >>>> db.define_table('page', >>>> Field('parent', 'reference page', label=T('Parent')), >>>> Field('title', unique=True, notnull=True, label=T('Title'))) >>>> >>>> db.page.parent.requires = IS_EMPTY_OR(IS_IN_DB(db, db.page.id, >>>> '%(title)s', zero=T('<Empty>'))) >>>> pageSelector = HierarchicalSelect(db, db.page, db.page.title, db.page. >>>> rank) >>>> db.page.parent.widget = pageSelector.widget >>>> >>>> The goal of the HierarchicalSelect widget is to have a "tree-view" of >>>> all my pages. More elegant than the default selector >>>> >>>> *My Controller (simplified)* >>>> def edit_page(): >>>> page = db.page(request.args(0)) >>>> crud.settings.update_deletable = False >>>> form = crud.update(db.page,page,next=URL('show_page', args=page.id >>>> )) >>>> return dict(form=form) >>>> >>>> From 2.8.2 update, when I update a page, I get an error : >>>> <class 'sqlite3.IntegrityError'> foreign key constraint failed >>>> >>>> This error *occurs only when I update a page and select "<Empty>" >>>> value for the "parent" field.* >>>> When I *remove the two following lines of my model definition, >>>> everything works fine* >>>> pageSelector = HierarchicalSelect(db, db.page, db.page.title, db.page. >>>> rank) >>>> db.page.parent.widget = pageSelector.widget >>>> >>>> >>>> So the error seems to be in my HierarchicalSelect class. >>>> *Here is the code : * >>>> class HierarchicalSelect(object): >>>> def __init__(self, db, table_name, title_field, order_field): >>>> self.options=[] >>>> self.db = db >>>> self.tablename = table_name >>>> self.fieldname = None >>>> self.title = title_field >>>> self.order = order_field >>>> self.type = None >>>> self.rows=None >>>> self.hierarchyseparator = XML(" "*4) >>>> >>>> def _childs_list(self, field, depth): >>>> path = self.hierarchyseparator*depth >>>> >>>> path += self.hierarchyseparator >>>> self.options.append((field['id'], path+field[self.title])) >>>> [self._childs_list(child, (depth+1)) for child in self.rows. >>>> find(lambda row: row.parent == field.id)] >>>> >>>> def widget(self, field, value): >>>> self.fieldname = field.name >>>> self.type = field.type >>>> self.rows = self.db(self.tablename).select(orderby=self.order) >>>> self.options.append(("", T('<Empty>'))) #add root node >>>> >>>> [self._childs_list(field,0) for field in self.rows.find(lambdarow >>>> : row.parent < 1)] >>>> opt=[OPTION(name, _value=key) for key,name in self.options] >>>> sel = SELECT(opt,_id="%s_%s" % (self.tablename, self.fieldname >>>> ), >>>> _class="generic-widget", >>>> _name=self.fieldname, >>>> value=value) >>>> return sel >>>> >>>> *HTML generated with the default SELECT helper for the first option (the >>>> option that causes error)* >>>> >>>> <select class="generic-widget" id="page_parent" name="parent"><option >>>> value=""><Aucun></option> >>>> >>>> >>>> *HTML generated with my Widget* *for the first option (the option that >>>> causes error)* >>>> <select class="generic-widget" id="page_parent" name="parent"><option >>>> value=""><Aucun></option> >>>> >>>> >>>> The HTML seems to be the same, so I don't understand what's wrong with my >>>> widget... >>>> >>>> >>>> Can anybody help me with that? >>>> Thank you >>>> >>> -- Resources: - http://web2py.com - http://web2py.com/book (Documentation) - http://github.com/web2py/web2py (Source code) - https://code.google.com/p/web2py/issues/list (Report Issues) --- You received this message because you are subscribed to the Google Groups "web2py-users" group. 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