<s> """<STR_LIT>""" <EOL> import sys <EOL> import itertools <EOL> from pycopia import logging <EOL> from pycopia . db import types <EOL> from pycopia . db import models <EOL> from pycopia . db import webhelpers <EOL> from pycopia . WWW import json <EOL> from pycopia . WWW import framework <EOL> from pycopia . WWW import HTML5 <EOL> from pycopia . WWW . middleware import auth <EOL> from sqlalchemy . exc import DataError , IntegrityError <EOL> _tables = set ( models . class_names ( ) ) <EOL> def get_tables ( ) : <EOL> return _tables <EOL> def get_model ( modelname ) : <EOL> try : <EOL> return getattr ( models , modelname ) <EOL> except AttributeError : <EOL> raise framework . HttpErrorNotFound ( "<STR_LIT>" % modelname ) <EOL> def get_uidata ( ) : <EOL> cf = json . current_request . config <EOL> return { "<STR_LIT>" : cf . ICONMAP } <EOL> def get_table_metadata ( modelname ) : <EOL> klass = get_model ( modelname ) <EOL> return models . get_metadata ( klass ) <EOL> def get_table_metadata_map ( modelname ) : <EOL> klass = get_model ( modelname ) <EOL> return models . get_metadata_map ( klass ) <EOL> def updaterow ( modelname , entry_id , data ) : <EOL> klass = get_model ( modelname ) <EOL> dbrow = webhelpers . get_row ( klass , entry_id ) <EOL> try : <EOL> webhelpers . update_row_from_data ( data , klass , dbrow ) <EOL> except types . ValidationError , err : <EOL> webhelpers . dbsession . rollback ( ) <EOL> logging . error ( err ) <EOL> return False <EOL> try : <EOL> webhelpers . dbsession . commit ( ) <EOL> except ( DataError , IntegrityError ) , err : <EOL> webhelpers . dbsession . rollback ( ) <EOL> logging . error ( err ) <EOL> return False <EOL> return True <EOL> def get_row ( modelname , entry_id ) : <EOL> klass = get_model ( modelname ) <EOL> return webhelpers . get_row ( klass , entry_id ) <EOL> def get_ids ( modelname , idlist ) : <EOL> klass = get_model ( modelname ) <EOL> return webhelpers . get_ids ( klass , idlist ) <EOL> def query ( modelname , filt = None , columns = None , order_by = None , start = None , end = None ) : <EOL> klass = get_model ( modelname ) <EOL> return webhelpers . query ( klass , filt , columns , order_by , start , end ) <EOL> def get_choices ( modelname , attribute , order_by = None ) : <EOL> modelclass = get_model ( modelname ) <EOL> return models . get_choices ( webhelpers . dbsession , modelclass , attribute , order_by ) <EOL> def get_rowdisplay ( modelname ) : <EOL> modelclass = get_model ( modelname ) <EOL> return models . get_rowdisplay ( modelclass ) <EOL> def deleterow ( modelname , entry_id ) : <EOL> klass = get_model ( modelname ) <EOL> try : <EOL> obj = webhelpers . dbsession . query ( klass ) . get ( entry_id ) <EOL> name = str ( obj ) <EOL> webhelpers . dbsession . delete ( obj ) <EOL> webhelpers . dbsession . commit ( ) <EOL> except : <EOL> ex , val , tb = sys . exc_info ( ) <EOL> return ( False , str ( val ) ) <EOL> return ( True , name ) <EOL> def create ( modelname , data ) : <EOL> """<STR_LIT>""" <EOL> klass = get_model ( modelname ) <EOL> dbrow = klass ( ) <EOL> try : <EOL> webhelpers . update_row_from_data ( data , klass , dbrow ) <EOL> except types . ValidationError , err : <EOL> webhelpers . dbsession . rollback ( ) <EOL> raise <EOL> webhelpers . dbsession . add ( dbrow ) <EOL> try : <EOL> webhelpers . dbsession . commit ( ) <EOL> except ( DataError , IntegrityError ) , err : <EOL> webhelpers . dbsession . rollback ( ) <EOL> raise <EOL> mapper = models . class_mapper ( klass ) <EOL> return [ getattr ( dbrow , col . name ) for col in mapper . primary_key ] <EOL> def related_add ( modelname , entry_id , colname , relmodelname , rel_id ) : <EOL> klass = get_model ( modelname ) <EOL> relklass = get_model ( relmodelname ) <EOL> metadata = models . get_column_metadata ( klass , colname ) <EOL> dbrow = webhelpers . get_row ( klass , entry_id ) <EOL> reldbrow = webhelpers . get_row ( relklass , rel_id ) <EOL> if metadata . uselist : <EOL> col = getattr ( dbrow , colname ) <EOL> col . append ( reldbrow ) <EOL> else : <EOL> setattr ( dbrow , colname , reldbrow ) <EOL> try : <EOL> webhelpers . dbsession . commit ( ) <EOL> except ( DataError , IntegrityError ) , err : <EOL> webhelpers . dbsession . rollback ( ) <EOL> raise <EOL> return True <EOL> def related_remove ( modelname , entry_id , colname , relmodelname , rel_id ) : <EOL> klass = get_model ( modelname ) <EOL> relklass = get_model ( relmodelname ) <EOL> metadata = models . get_column_metadata ( klass , colname ) <EOL> dbrow = webhelpers . get_row ( klass , entry_id ) <EOL> if metadata . uselist : <EOL> reldbrow = webhelpers . get_row ( relklass , rel_id ) <EOL> col = getattr ( dbrow , colname ) <EOL> col . remove ( reldbrow ) <EOL> else : <EOL> if metadata . nullable : <EOL> setattr ( dbrow , colname , None ) <EOL> else : <EOL> raise DataError ( "<STR_LIT>" ) <EOL> try : <EOL> webhelpers . dbsession . commit ( ) <EOL> except ( DataError , IntegrityError ) , err : <EOL> webhelpers . dbsession . rollback ( ) <EOL> raise <EOL> return True <EOL> def _convert_instance ( obj ) : <EOL> values = { "<STR_LIT:id>" : obj . id } <EOL> for metadata in models . get_metadata_iterator ( obj . __class__ ) : <EOL> if metadata . coltype == "<STR_LIT>" : <EOL> value = getattr ( obj , metadata . colname ) <EOL> if value is not None : <EOL> if metadata . uselist : <EOL> if metadata . collection == "<STR_LIT>" : <EOL> value = value . itervalues ( ) <EOL> values [ metadata . colname ] = [ _obj_representation ( o , { "<STR_LIT:id>" : o . id } ) for o in value ] <EOL> else : <EOL> values [ metadata . colname ] = _obj_representation ( value , { "<STR_LIT:id>" : value . id } ) <EOL> else : <EOL> values [ metadata . colname ] = value <EOL> else : <EOL> values [ metadata . colname ] = getattr ( obj , metadata . colname ) <EOL> return _obj_representation ( obj , values ) <EOL> def _obj_representation ( obj , values ) : <EOL> return { "<STR_LIT>" : obj . __class__ . __name__ , <EOL> "<STR_LIT>" : True , <EOL> "<STR_LIT>" : str ( obj ) , <EOL> "<STR_LIT:value>" : values } <EOL> def _modelchecker ( obj ) : <EOL> try : <EOL> return obj . __class__ . __name__ in _tables <EOL> except AttributeError : <EOL> return False <EOL> _exported = [ get_tables , get_table_metadata , get_table_metadata_map , get_choices , get_uidata , <EOL> query , create , updaterow , deleterow , get_row , get_ids , get_rowdisplay , <EOL> related_add , related_remove ] <EOL> dispatcher = json . JSONDispatcher ( _exported ) <EOL> dispatcher . register_encoder ( "<STR_LIT>" , _modelchecker , _convert_instance ) <EOL> dispatcher = auth . need_authentication ( webhelpers . setup_dbsession ( dispatcher ) ) <EOL> def doc_constructor ( request , ** kwargs ) : <EOL> doc = HTML5 . new_document ( ) <EOL> doc . stylesheets = [ "<STR_LIT>" , "<STR_LIT>" , "<STR_LIT>" ] <EOL> doc . scripts = [ "<STR_LIT>" , "<STR_LIT>" , "<STR_LIT>" , "<STR_LIT>" , "<STR_LIT>" ] <EOL> for name , val in kwargs . items ( ) : <EOL> setattr ( doc , name , val ) <EOL> nav = doc . add_section ( "<STR_LIT>" ) <EOL> NM = doc . nodemaker <EOL> NBSP = NM ( "<STR_LIT:_>" , None ) <EOL> nav . append ( NM ( "<STR_LIT:P>" , None , <EOL> NM ( "<STR_LIT:A>" , { "<STR_LIT>" : "<STR_LIT:/>" } , "<STR_LIT>" ) , NBSP , <EOL> NM ( "<STR_LIT:A>" , { "<STR_LIT>" : request . get_url ( listall ) } , "<STR_LIT>" ) , NBSP , <EOL> NM ( "<STR_LIT:A>" , { "<STR_LIT>" : "<STR_LIT:..>" } , "<STR_LIT>" ) if request . path . count ( "<STR_LIT:/>" ) > <NUM_LIT:2> else NBSP , NBSP , <EOL> ) ) <EOL> nav . append ( NM ( "<STR_LIT:P>" , { "<STR_LIT>" : "<STR_LIT:title>" } , "<STR_LIT>" ) ) <EOL> nav . append ( NM ( "<STR_LIT:P>" , None , <EOL> NM ( "<STR_LIT:A>" , { "<STR_LIT>" : "<STR_LIT>" } , "<STR_LIT>" ) ) ) <EOL> doc . add_section ( "<STR_LIT>" , id = "<STR_LIT>" ) <EOL> return doc <EOL> @ auth . need_login <EOL> @ webhelpers . setup_dbsession <EOL> def listtable ( request , tablename = None ) : <EOL> klass = get_model ( tablename ) <EOL> resp = framework . ResponseDocument ( request , doc_constructor , <EOL> title = "<STR_LIT>" % ( tablename , ) ) <EOL> NM = resp . nodemaker <EOL> resp . new_para ( NM ( "<STR_LIT:A>" , { "<STR_LIT>" : request . get_url ( addentry , tablename = tablename ) } , <EOL> resp . get_icon ( "<STR_LIT>" ) ) ) <EOL> cycler = itertools . cycle ( [ "<STR_LIT>" , "<STR_LIT>" ] ) <EOL> tbl = resp . doc . add_table ( class_ = "<STR_LIT>" , width = "<STR_LIT>" ) <EOL> tbl . caption ( tablename ) <EOL> colnames = models . get_rowdisplay ( klass ) <EOL> tbl . new_headings ( "<STR_LIT>" , * colnames ) <EOL> tbl . headings [ <NUM_LIT:0> ] . class_ = "<STR_LIT>" <EOL> tbl . new_footer ( "<STR_LIT>" , * colnames ) <EOL> for dbrow in query ( tablename , { } ) : <EOL> row = tbl . new_row ( id = "<STR_LIT>" % dbrow . id , class_ = cycler . next ( ) ) <EOL> col = row . new_column ( <EOL> NM ( "<STR_LIT>" , { } , <EOL> NM ( "<STR_LIT:A>" , { "<STR_LIT>" : "<STR_LIT>" % ( dbrow . id , ) } , <EOL> resp . get_small_icon ( "<STR_LIT>" ) ) , <EOL> NM ( "<STR_LIT:A>" , { "<STR_LIT>" : "<STR_LIT>" % ( tablename , dbrow . id ) } , <EOL> resp . get_small_icon ( "<STR_LIT>" ) ) , <EOL> ) <EOL> ) <EOL> firstname = colnames [ <NUM_LIT:0> ] <EOL> row . new_column ( <EOL> NM ( "<STR_LIT:A>" , { "<STR_LIT>" : request . get_url ( view , tablename = tablename , rowid = dbrow . id ) } , <EOL> getattr ( dbrow , firstname ) ) <EOL> ) <EOL> for colname in colnames [ <NUM_LIT:1> : ] : <EOL> row . new_column ( getattr ( dbrow , colname ) ) <EOL> return resp . finalize ( ) <EOL> @ auth . need_login <EOL> @ webhelpers . setup_dbsession <EOL> def listall ( request ) : <EOL> resp = framework . ResponseDocument ( request , doc_constructor , <EOL> title = "<STR_LIT>" ) <EOL> cycler = itertools . cycle ( [ "<STR_LIT>" , "<STR_LIT>" ] ) <EOL> tbl = resp . doc . add_table ( width = "<STR_LIT>" ) <EOL> tbl . caption ( "<STR_LIT>" ) <EOL> tbl . new_headings ( "<STR_LIT>" ) <EOL> for tname in sorted ( list ( get_tables ( ) ) ) : <EOL> if not hasattr ( getattr ( models , tname ) , "<STR_LIT>" ) : <EOL> continue <EOL> row = tbl . new_row ( ) <EOL> setattr ( row , "<STR_LIT>" , cycler . next ( ) ) <EOL> col = row . new_column ( resp . nodemaker ( "<STR_LIT:A>" , <EOL> { "<STR_LIT>" : request . get_url ( listtable , tablename = tname ) } , tname ) ) <EOL> return resp . finalize ( ) <EOL> @ auth . need_login <EOL> @ webhelpers . setup_dbsession <EOL> def view ( request , tablename = None , rowid = None ) : <EOL> klass = get_model ( tablename ) <EOL> dbrow = webhelpers . get_row ( klass , rowid ) <EOL> resp = framework . ResponseDocument ( request , doc_constructor , <EOL> title = "<STR_LIT>" % ( tablename , dbrow ) ) <EOL> NM = resp . nodemaker <EOL> resp . new_para ( <EOL> ( NM ( "<STR_LIT:A>" , { "<STR_LIT>" : request . get_url ( addentry , tablename = tablename ) } , <EOL> resp . get_icon ( "<STR_LIT>" ) ) , <EOL> NM ( "<STR_LIT:A>" , { "<STR_LIT>" : request . get_url ( edit , tablename = tablename , rowid = rowid ) } , <EOL> resp . get_icon ( "<STR_LIT>" ) ) , <EOL> NM ( "<STR_LIT:A>" , { "<STR_LIT>" : "<STR_LIT>" % ( tablename , rowid ) } , <EOL> resp . get_icon ( "<STR_LIT>" ) ) , <EOL> ) ) <EOL> cycler = itertools . cycle ( [ "<STR_LIT>" , "<STR_LIT>" ] ) <EOL> tbl = resp . doc . add_table ( width = "<STR_LIT>" , class_ = "<STR_LIT>" ) <EOL> tbl . caption ( "<STR_LIT>" % ( tablename , rowid ) ) <EOL> tbl . new_headings ( "<STR_LIT>" , "<STR_LIT>" ) <EOL> for metadata in sorted ( models . get_metadata ( klass ) ) : <EOL> row = tbl . new_row ( ) <EOL> setattr ( row , "<STR_LIT>" , cycler . next ( ) ) <EOL> row . new_column ( metadata . colname ) <EOL> row . new_column ( str ( getattr ( dbrow , metadata . colname ) ) ) <EOL> return resp . finalize ( ) <EOL> class CreateRequestHandler ( framework . RequestHandler ) : <EOL> def get ( self , request , tablename = None ) : <EOL> klass = get_model ( tablename ) <EOL> title = "<STR_LIT>" % ( tablename , ) <EOL> resp = framework . ResponseDocument ( request , doc_constructor , title = title ) <EOL> resp . new_para ( title ) <EOL> form = resp . add_form ( action = request . get_url ( addentry , tablename = tablename ) ) <EOL> webhelpers . build_add_form ( form , klass ) <EOL> return resp . finalize ( ) <EOL> def post ( self , request , tablename = None ) : <EOL> klass = get_model ( tablename ) <EOL> dbrow = klass ( ) <EOL> try : <EOL> webhelpers . update_row ( request . POST , klass , dbrow ) <EOL> except types . ValidationError , err : <EOL> webhelpers . dbsession . rollback ( ) <EOL> request . log_error ( "<STR_LIT>" % ( tablename , err ) ) <EOL> title = "<STR_LIT>" % ( tablename , dbrow ) <EOL> resp = self . get_response ( request , title = title ) <EOL> resp . new_para ( title ) <EOL> resp . new_para ( err , class_ = "<STR_LIT:error>" ) <EOL> form = resp . add_form ( action = request . get_url ( addentry , tablename = tablename ) ) <EOL> webhelpers . build_add_form ( form , klass ) <EOL> return resp . finalize ( ) <EOL> webhelpers . dbsession . add ( dbrow ) <EOL> try : <EOL> webhelpers . dbsession . commit ( ) <EOL> except ( DataError , IntegrityError ) , err : <EOL> webhelpers . dbsession . rollback ( ) <EOL> request . log_error ( "<STR_LIT>" % ( tablename , err ) ) <EOL> title = "<STR_LIT>" % ( tablename , ) <EOL> resp = self . get_response ( request , title = title ) <EOL> resp . new_para ( title + "<STR_LIT>" ) <EOL> resp . new_para ( err , class_ = "<STR_LIT:error>" ) <EOL> form = resp . add_form ( action = request . get_url ( addentry , tablename = tablename ) ) <EOL> webhelpers . build_add_form ( form , klass ) <EOL> return resp . finalize ( ) <EOL> else : <EOL> return framework . HttpResponseRedirect ( request . get_url ( listtable , tablename = tablename ) ) <EOL> addentry = auth . need_login ( webhelpers . setup_dbsession ( CreateRequestHandler ( doc_constructor ) ) ) <EOL> class EditRequestHandler ( framework . RequestHandler ) : <EOL> def get ( self , request , tablename = None , rowid = None ) : <EOL> klass = get_model ( tablename ) <EOL> dbrow = webhelpers . get_row ( klass , rowid ) <EOL> title = "<STR_LIT>" % ( tablename , dbrow ) <EOL> resp = self . get_response ( request , title = title ) <EOL> resp . new_para ( title ) <EOL> form = resp . add_form ( action = request . get_url ( edit , tablename = tablename , rowid = rowid ) ) <EOL> webhelpers . build_edit_form ( form , klass , dbrow ) <EOL> return resp . finalize ( ) <EOL> def post ( self , request , tablename = None , rowid = None ) : <EOL> klass = get_model ( tablename ) <EOL> dbrow = webhelpers . get_row ( klass , rowid ) <EOL> try : <EOL> webhelpers . update_row ( request . POST , klass , dbrow ) <EOL> except types . ValidationError , err : <EOL> webhelpers . dbsession . rollback ( ) <EOL> title = "<STR_LIT>" % ( tablename , dbrow ) <EOL> resp = self . get_response ( request , title = title ) <EOL> resp . new_para ( title ) <EOL> form = resp . add_form ( action = request . get_url ( edit , tablename = tablename , rowid = rowid ) ) <EOL> webhelpers . build_edit_form ( form , klass , dbrow , err ) <EOL> return resp . finalize ( ) <EOL> try : <EOL> webhelpers . dbsession . commit ( ) <EOL> except ( DataError , IntegrityError ) , err : <EOL> webhelpers . dbsession . rollback ( ) <EOL> title = "<STR_LIT>" % ( tablename , dbrow ) <EOL> resp = self . get_response ( request , title = title ) <EOL> resp . new_para ( title ) <EOL> form = resp . add_form ( action = request . get_url ( edit , tablename = tablename , rowid = rowid ) ) <EOL> webhelpers . build_edit_form ( form , klass , dbrow , err ) <EOL> return resp . finalize ( ) <EOL> else : <EOL> return framework . HttpResponseRedirect ( request . get_url ( listtable , tablename = tablename ) ) <EOL> edit = auth . need_login ( webhelpers . setup_dbsession ( EditRequestHandler ( doc_constructor ) ) ) <EOL> if __name__ == "<STR_LIT:__main__>" : <EOL> from pycopia import autodebug <EOL> disp = json . JSONDispatcher ( [ query ] ) <EOL> disp . register_encoder ( "<STR_LIT>" , _modelchecker , _convert_instance ) <EOL> sess = models . get_session ( ) <EOL> with webhelpers . GlobalDatabaseContext ( sess ) : <EOL> md = get_table_metadata ( "<STR_LIT>" ) <EOL> print ( md ) <EOL> json = disp . _encoder . encode ( md ) <EOL> print json <EOL> print type ( json ) <EOL> print len ( json ) <EOL> sess . close ( ) </s>
