changeset 0:09361041be51

first checkin
author casties
date Fri, 11 Feb 2011 15:05:23 +0100
parents
children 083b771b1ca9
files RestDbInterface.py WritableRestDbInterface.py __init__.py zpt/HTML_index.zpt zpt/HTML_schema.zpt zpt/HTML_schema_table.zpt zpt/HTML_schema_usertables.zpt zpt/JSONHTML_index.zpt zpt/JSONHTML_schema.zpt zpt/JSONHTML_schema_table.zpt zpt/XML_index.zpt zpt/XML_schema.zpt zpt/XML_schema_table.zpt zpt/addRestDbInterface.zpt zpt/addWritableRestDbInterface.zpt
diffstat 15 files changed, 871 insertions(+), 0 deletions(-) [+]
line wrap: on
line diff
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/RestDbInterface.py	Fri Feb 11 15:05:23 2011 +0100
@@ -0,0 +1,393 @@
+'''
+Created on 19.5.2010
+
+@author: casties
+'''
+
+from OFS.Folder import Folder
+from Products.PageTemplates.PageTemplateFile import PageTemplateFile
+from AccessControl import getSecurityManager, Unauthorized
+from Products.ZSQLExtend import ZSQLExtend
+import logging
+import re
+import json
+import time
+import psycopg2
+# make psycopg use unicode objects
+import psycopg2.extensions
+psycopg2.extensions.register_type(psycopg2.extensions.UNICODE)
+psycopg2.extensions.register_type(psycopg2.extensions.UNICODEARRAY)
+
+from zope.interface import implements
+from zope.publisher.interfaces import IPublishTraverse
+from ZPublisher.BaseRequest import DefaultPublishTraverse
+
+
+def unicodify(s,alternate='latin-1'):
+    """decode str (utf-8 or latin-1 representation) into unicode object"""
+    if not s:
+        return u""
+    if isinstance(s, str):
+        try:
+            return s.decode('utf-8')
+        except:
+            return s.decode(alternate)
+    else:
+        return s
+
+def utf8ify(s):
+    """encode unicode object or string into byte string in utf-8 representation.
+       assumes string objects to be utf-8"""
+    if not s:
+        return ""
+    if isinstance(s, str):
+        return s
+    else:
+        return s.encode('utf-8')
+
+def getTextFromNode(node):
+    """get the cdata content of a XML node"""
+    if node is None:
+        return ""
+    
+    if isinstance(node, list):
+        nodelist = node
+    else:
+        nodelist=node.childNodes
+
+    rc = ""
+    for node in nodelist:
+        if node.nodeType == node.TEXT_NODE:
+           rc = rc + node.data
+    return rc
+
+def sqlName(s,lc=True):
+    """returns restricted ASCII-only version of string"""
+    if s is None:
+        return ""
+    
+    # all else -> "_"
+    s = re.sub(r'[^A-Za-z0-9_]','_',s)
+    if lc:
+        return s.lower()
+    
+    return s
+
+
+class RestDbInterface(Folder):
+    """Object for RESTful database queries
+    path schema: /db/{schema}/{table}/
+    omitting table gives a list of schemas
+    omitting table and schema gives a list of schemas 
+    """
+    implements(IPublishTraverse)
+    
+    meta_type="RESTdb"
+    manage_options=Folder.manage_options+(
+        {'label':'Config','action':'manage_editRestDbInterfaceForm'},
+        )
+
+    # management templates
+    manage_editRestDbInterfaceForm=PageTemplateFile('zpt/editRestDbInterface',globals())
+
+    # data templates
+    XML_index = PageTemplateFile('zpt/XML_index', globals())
+    XML_schema = PageTemplateFile('zpt/XML_schema', globals())
+    XML_schema_table = PageTemplateFile('zpt/XML_schema_table', globals())
+    HTML_index = PageTemplateFile('zpt/HTML_index', globals())
+    HTML_schema = PageTemplateFile('zpt/HTML_schema', globals())
+    HTML_schema_table = PageTemplateFile('zpt/HTML_schema_table', globals())
+    JSONHTML_index = PageTemplateFile('zpt/JSONHTML_index', globals())
+    JSONHTML_schema = PageTemplateFile('zpt/JSONHTML_schema', globals())
+    JSONHTML_schema_table = PageTemplateFile('zpt/JSONHTML_schema_table', globals())
+    # JSON_* templates are scripts
+    def JSON_index(self):
+        """JSON index function"""
+        self.REQUEST.RESPONSE.setHeader("Content-Type", "application/json")
+        json.dump(self.getListOfSchemas(), self.REQUEST.RESPONSE)        
+
+    def JSON_schema(self,schema):
+        """JSON index function"""
+        self.REQUEST.RESPONSE.setHeader("Content-Type", "application/json")
+        json.dump(self.getListOfTables(schema), self.REQUEST.RESPONSE)        
+
+    def JSON_schema_table(self,schema,table):
+        """JSON index function"""
+        self.REQUEST.RESPONSE.setHeader("Content-Type", "application/json")
+        json.dump(self.getTable(schema, table), self.REQUEST.RESPONSE)        
+
+    
+    def __init__(self, id, title, connection_id=None):
+        """init"""
+        self.id = id
+        self.title = title
+        # database connection id
+        self.connection_id = connection_id
+        # create template folder
+        self.manage_addFolder('template')
+        
+
+    def getRestDbUrl(self):
+        """returns url to the RestDb instance"""
+        return self.absolute_url()
+ 
+    def getJsonString(self,object):
+        """returns a JSON formatted string from object"""
+        return json.dumps(object)
+
+    def getCursor(self,autocommit=True):
+        """returns fresh DB cursor"""
+        conn = getattr(self,"_v_database_connection",None)
+        if conn is None:
+            # create a new connection object
+            try:
+                if self.connection_id is None:
+                    # try to take the first existing ID
+                    connids = SQLConnectionIDs(self)
+                    if len(connids) > 0:
+                        connection_id = connids[0][0]
+                        self.connection_id = connection_id
+                        logging.debug("connection_id: %s"%repr(connection_id))
+
+                da = getattr(self, self.connection_id)
+                da.connect('')
+                # we copy the DAs database connection
+                conn = da._v_database_connection
+                #conn._register() # register with the Zope transaction system
+                self._v_database_connection = conn
+            except Exception, e:
+                raise IOError("No database connection! (%s)"%str(e))
+        
+        cursor = conn.getcursor()
+        if autocommit:
+            # is there a better version to get to the connection?
+            cursor.connection.set_isolation_level(psycopg2.extensions.ISOLATION_LEVEL_AUTOCOMMIT)
+            
+        return cursor
+    
+    def getFieldNameMap(self,fields):
+        """returns a dict mapping field names to row indexes"""
+        map = {}
+        i = 0
+        for f in fields:
+            map[f[0]] = i
+            i += 1
+            
+        return map
+    
+    def executeSQL(self, query, args=None, hasResult=True, autocommit=True):
+        """execute query with args on database and return all results.
+        result format: {"fields":fields, "rows":data}"""
+        logging.debug("executeSQL query=%s args=%s"%(query,args))
+        cur = self.getCursor(autocommit=autocommit)
+        if args is not None:
+            # make sure args is a list
+            if isinstance(args,basestring):
+                args = (args,)
+                
+        cur.execute(query, args)
+        # description of returned fields 
+        fields = cur.description
+        if hasResult:
+            # get all data in an array
+            data = cur.fetchall()
+            cur.close()
+            #logging.debug("fields: %s"%repr(fields))
+            #logging.debug("rows: %s"%repr(data))
+            return {"fields":fields, "rows":data}
+        else:
+            cur.close()
+            return None
+
+    def isAllowed(self,action,schema,table,user=None):
+        """returns if the requested action on the table is allowed"""
+        if user is None:
+            user = self.REQUEST.get('AUTHENTICATED_USER',None)
+        logging.debug("isAllowed action=%s schema=%s table=%s user=%s"%(action,schema,table,user))
+        # no default policy!
+        return True
+
+
+    def publishTraverse(self,request,name):
+        """change the traversal"""
+        # get stored path
+        path = request.get('restdb_path', [])
+        logging.debug("publishtraverse: name=%s restdb_path=%s"%(name,path))
+        
+        if name in ("index_html", "PUT"):
+            # end of traversal
+            if request.get("method") == "POST" and request.get("action",None) == "PUT":
+                # fake PUT by POST with action=PUT
+                name = "PUT"
+                
+            return getattr(self, name)
+            #TODO: should we check more?
+        else:
+            # traverse
+            if len(path) == 0:
+                # first segment
+                if name == 'db':
+                    # virtual path -- continue traversing
+                    path = [name]
+                    request['restdb_path'] = path
+                else:
+                    # try real path
+                    tr = DefaultPublishTraverse(self, request)
+                    ob = tr.publishTraverse(request, name)
+                    return ob
+            else:
+                path.append(name)
+
+        # continue traversing
+        return self
+
+
+    def index_html(self,REQUEST,RESPONSE):
+        """index method"""
+        # ReST path was stored in request
+        path = REQUEST.get('restdb_path',[])
+        
+        # type and format are real parameter
+        resultFormat = REQUEST.get('format','HTML').upper()
+        queryType = REQUEST.get('type',None)
+        
+        logging.debug("index_html path=%s resultFormat=%s queryType=%s"%(path,resultFormat,queryType))
+
+        if queryType is not None:
+            # non-empty queryType -- look for template
+            pt = getattr(self.template, "%s_%s"%(resultFormat,queryType), None)
+            if pt is not None:
+                return pt(format=resultFormat,type=queryType,path=path)
+            
+        if len(path) == 1:
+            # list of schemas
+            return self.showListOfSchemas(format=resultFormat)
+        elif len(path) == 2:
+            # list of tables
+            return self.showListOfTables(format=resultFormat,schema=path[1])
+        elif len(path) == 3:
+            # table
+            if REQUEST.get("method") == "POST" and REQUEST.get("create_table_file",None) is not None:
+                # POST to table to check
+                return self.checkTable(format=resultFormat,schema=path[1],table=path[2])
+            # else show table
+            return self.showTable(format=resultFormat,schema=path[1],table=path[2])
+        
+        # don't know what to do
+        return str(REQUEST)
+
+    def showTable(self,format='XML',schema='public',table=None,REQUEST=None,RESPONSE=None):
+        """returns PageTemplate with tables"""
+        logging.debug("showtable")
+        if REQUEST is None:
+            REQUEST = self.REQUEST
+            
+        # should be cross-site accessible 
+        if RESPONSE is None:
+            RESPONSE = self.REQUEST.RESPONSE
+            
+        RESPONSE.setHeader('Access-Control-Allow-Origin', '*')
+        
+        # everything else has its own template
+        pt = getattr(self.template, '%s_schema_table'%format, None)
+        if pt is None:
+            return "ERROR!! template %s_schema_table not found"%format
+        
+        #data = self.getTable(schema,table)
+        return pt(schema=schema,table=table)
+ 
+    def getTable(self,schema='public',table=None,sortBy=1,username='guest'):
+        """return table data"""
+        logging.debug("gettable")
+        if sortBy:
+            data = self.executeSQL('select * from "%s"."%s" order by %s'%(schema,table,sortBy))
+        else:
+            data = self.executeSQL('select * from "%s"."%s"'%(schema,table))
+        return data
+
+    def hasTable(self,schema='public',table=None,username='guest'):
+        """return if table exists"""
+        logging.debug("hastable")
+        data = self.executeSQL('select 1 from information_schema.tables where table_schema=%s and table_name=%s',(schema,table))
+        ret = bool(data['rows'])
+        return ret
+
+    def showListOfTables(self,format='XML',schema='public',REQUEST=None,RESPONSE=None):
+        """returns PageTemplate with list of tables"""
+        logging.debug("showlistoftables")
+        # should be cross-site accessible 
+        if RESPONSE is None:
+            RESPONSE = self.REQUEST.RESPONSE
+        RESPONSE.setHeader('Access-Control-Allow-Origin', '*')
+
+        pt = getattr(self.template, '%s_schema'%format, None)
+        if pt is None:
+            return "ERROR!! template %s_schema not found"%format
+        
+        #data = self.getListOfTables(schema)
+        return pt(schema=schema)
+ 
+    def getListOfTables(self,schema='public',username='guest'):
+        """return list of tables"""
+        logging.debug("getlistoftables")
+        # get list of fields and types of db table
+        #qstr="""SELECT c.relname AS tablename FROM pg_catalog.pg_class c
+        #    LEFT JOIN pg_catalog.pg_namespace n ON n.oid = c.relnamespace
+        #    WHERE c.relkind IN ('r','') AND n.nspname NOT IN ('pg_catalog', 'pg_toast')
+        #    AND pg_catalog.pg_table_is_visible(c.oid) 
+        #    AND c.relname ORDER BY 1"""
+        qstr = """SELECT table_name FROM information_schema.tables WHERE table_type = 'BASE TABLE' 
+                        AND table_schema = %s ORDER BY 1"""
+        data=self.executeSQL(qstr,(schema,))
+        return data
+
+    def showListOfSchemas(self,format='XML',REQUEST=None,RESPONSE=None):
+        """returns PageTemplate with list of schemas"""
+        logging.debug("showlistofschemas")
+        # should be cross-site accessible 
+        if RESPONSE is None:
+            RESPONSE = self.REQUEST.RESPONSE
+        RESPONSE.setHeader('Access-Control-Allow-Origin', '*')
+
+        pt = getattr(self.template, '%s_index'%format, None)
+        if pt is None:
+            return "ERROR!! template %s_index not found"%format
+        
+        #data = self.getListOfSchemas()
+        return pt()
+ 
+    def getListOfSchemas(self,username='guest'):
+        """return list of schemas"""
+        logging.debug("getlistofschemas")
+        # TODO: really look up schemas
+        data={'fields': (('schemas',),), 'rows': [('public',),]}
+        return data
+    
+    def manage_editRestDbInterface(self, title=None, connection_id=None,
+                     REQUEST=None):
+        """Change the object"""
+        if title is not None:
+            self.title = title
+            
+        if connection_id is not None:
+            self.connection_id = connection_id
+                
+        #checkPermission=getSecurityManager().checkPermission
+        REQUEST.RESPONSE.redirect('manage_main')
+
+        
+manage_addRestDbInterfaceForm=PageTemplateFile('zpt/addRestDbInterface',globals())
+
+def manage_addRestDbInterface(self, id, title='', label='', description='',
+                     createPublic=0,
+                     createUserF=0,
+                     REQUEST=None):
+        """Add a new object with id *id*."""
+    
+        ob=RestDbInterface(str(id),title)
+        self._setObject(id, ob)
+        
+        #checkPermission=getSecurityManager().checkPermission
+        REQUEST.RESPONSE.redirect('manage_main')
+
+        
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/WritableRestDbInterface.py	Fri Feb 11 15:05:23 2011 +0100
@@ -0,0 +1,275 @@
+'''
+Created on 11.2.2011
+
+@author: casties, fknauft
+'''
+
+import logging
+import re
+import time
+import datetime
+import urllib
+
+from RestDbInterface import *
+
+
+
+class WritableRestDbInterface(RestDbInterface):
+    """Object for RESTful database queries
+    path schema: /db/{schema}/{table}/
+    omitting table gives a list of schemas
+    omitting table and schema gives a list of schemas 
+    """
+    
+    meta_type="rwRESTdb"
+    
+           
+    def PUT(self, REQUEST, RESPONSE):
+        """
+        Implement WebDAV/HTTP PUT/FTP put method for this object.
+        """
+        logging.debug("RestDbInterface PUT")
+        #logging.debug("req=%s"%REQUEST)
+        #self.dav__init(REQUEST, RESPONSE)
+        #self.dav__simpleifhandler(REQUEST, RESPONSE)
+        # ReST path was stored in request
+        path = REQUEST.get('restdb_path',[])
+        if len(path) == 3:
+            schema = path[1]
+            tablename = path[2]
+            file = REQUEST.get("create_table_file",None)
+            if file is None:
+                RESPONSE.setStatus(400)
+                return
+
+            fields = None
+            fieldsStr = REQUEST.get("create_table_fields",None)
+            logging.debug("put with schema=%s table=%s file=%s fields=%s"%(schema,tablename,file,repr(fieldsStr)))
+            if fieldsStr is not None:
+                # unpack fields
+                fields = [{"name":n, "type": t} for (n,t) in [f.split(":") for f in fieldsStr.split(",")]]
+                
+            ret = self.createTableFromXML(schema, tablename, file, fields)
+            # return the result as JSON
+            format = REQUEST.get("format","JSON")
+            if format == "JSON":
+                RESPONSE.setHeader("Content-Type", "application/json")
+                json.dump(ret, RESPONSE)
+                
+            elif format == "JSONHTML":
+                RESPONSE.setHeader("Content-Type", "text/html")
+                RESPONSE.write("<html>\n<body>\n<pre>")
+                json.dump(ret, RESPONSE)
+                RESPONSE.write("</pre>\n</body>\n</html>")
+            
+        else:
+            # 400 Bad Request
+            RESPONSE.setStatus(400)
+            return
+        
+    def checkTable(self,format,schema,table,REQUEST=None,RESPONSE=None):
+        """check the table.
+           returns valid data fields and table name."""
+        if REQUEST is None:
+            REQUEST = self.REQUEST
+            RESPONSE = REQUEST.RESPONSE
+
+        file = REQUEST.get("create_table_file",None)
+        res = self.checkTableFromXML(schema, table, file)
+        logging.debug("checkTable result=%s"%repr(res))
+        # return the result as JSON
+        if format == "JSON":
+            RESPONSE.setHeader("Content-Type", "application/json")
+            json.dump(res, RESPONSE)
+            
+        elif format == "JSONHTML":
+            RESPONSE.setHeader("Content-Type", "text/html")
+            RESPONSE.write("<html>\n<body>\n<pre>")
+            json.dump(res, RESPONSE)
+            RESPONSE.write("</pre>\n</body>\n</html>")
+            
+        else:
+            return "ERROR: invalid format"
+
+    def checkTableFromXML(self,schema,table,data,REQUEST=None,RESPONSE=None):
+        """check the table with the given XML data.
+           returns valid data fields and table name."""
+        logging.debug("checkTableFromXML schema=%s table=%s"%(schema,table))
+        # clean table name
+        tablename = sqlName(table)
+        tableExists = self.hasTable(schema, table)
+        if data is None:
+            fieldNames = []
+        else:
+            # get list of field names from upload file
+            fields = self.importExcelXML(schema,tablename,data,fieldsOnly=True)
+            
+        res = {'tablename': tablename, 'table_exists': tableExists}
+        res['fields'] = fields
+        return res
+
+    def createEmptyTable(self,schema,table,fields):
+        """create a table with the given fields
+           returns list of created fields"""
+        logging.debug("createEmptyTable")
+
+        sqlFields = []
+        for f in fields:
+            if isinstance(f,dict):
+                # {name: XX, type: YY}
+                name = sqlName(f['name'])
+                type = f['type']
+                if hasattr(self, 'toSqlTypeMap'):
+                    sqltype = self.toSqlTypeMap[type]
+                else:
+                    sqltype = 'text'
+            
+            else:
+                # name only
+                name = sqlName(f)
+                type = 'text'
+                sqltype = 'text'
+                
+            sqlFields.append({'name':name, 'type':type, 'sqltype':sqltype})
+            
+        if self.hasTable(schema,table):
+            # TODO: find owner
+            if not self.isAllowed("update", schema, table):
+                raise Unauthorized
+            self.executeSQL('drop table "%s"."%s"'%(schema,table),hasResult=False)
+        else:
+            if not self.isAllowed("create", schema, table):
+                raise Unauthorized
+            
+        fieldString = ", ".join(['"%s" %s'%(f['name'],f['sqltype']) for f in sqlFields])
+        sqlString = 'create table "%s"."%s" (%s)'%(schema,table,fieldString)
+        logging.debug("createemptytable: SQL=%s"%sqlString)
+        self.executeSQL(sqlString,hasResult=False)
+        self.setTableMetaTypes(schema,table,sqlFields)
+        return sqlFields
+    
+    def createTableFromXML(self,schema,table,data, fields=None):
+        """create or replace a table with the given XML data"""
+        logging.debug("createTableFromXML schema=%s table=%s data=%s fields=%s"%(schema,table,data,fields))
+        tablename = sqlName(table)
+        self.importExcelXML(schema, tablename, data, fields)
+        return {"tablename": tablename}
+        
+    def importExcelXML(self,schema,table,xmldata,fields=None,fieldsOnly=False):
+        '''
+        Import XML file in Excel format into the table
+        @param table: name of the table the xml shall be imported into
+        '''
+        from xml.dom.pulldom import parseString,parse
+        
+        if not (fieldsOnly or self.isAllowed("create", schema, table)):
+            raise Unauthorized
+
+        namespace = "urn:schemas-microsoft-com:office:spreadsheet"
+        containerTagName = "Table"
+        rowTagName = "Row"
+        colTagName = "Cell"
+        dataTagName = "Data"
+        xmlFields = []
+        sqlFields = []
+        numFields = 0
+        sqlInsert = None
+        
+        logging.debug("import excel xml")
+        
+        ret=""
+        if isinstance(xmldata, str):
+            logging.debug("importXML reading string data")
+            doc=parseString(xmldata)
+        else:
+            logging.debug("importXML reading file data")
+            doc=parse(xmldata)
+            
+        cnt = 0
+        while True:
+            node=doc.getEvent()
+
+            if node is None:
+                break
+            
+            else:
+                #logging.debug("tag=%s"%node[1].localName)
+                if node[1].localName is not None:
+                    tagName = node[1].localName.lower()
+                else:
+                    # ignore non-tag nodes
+                    continue
+                                
+                if tagName == rowTagName.lower():
+                    # start of row
+                    doc.expandNode(node[1])
+                    cnt += 1
+                    if cnt == 1:
+                        # first row -- field names
+                        names=node[1].getElementsByTagNameNS(namespace, dataTagName)
+                        for name in names:
+                            fn = getTextFromNode(name)
+                            xmlFields.append({'name':sqlName(fn),'type':'text'})
+                            
+                        if fieldsOnly:
+                            # return just field names
+                            return xmlFields
+                        
+                        # create table
+                        if fields is None:
+                            fields = xmlFields
+                            
+                        sqlFields = self.createEmptyTable(schema, table, fields)
+                        numFields = len(sqlFields)
+                        fieldString = ", ".join(['"%s"'%f['name'] for f in sqlFields])
+                        valString = ", ".join(["%s" for f in sqlFields])
+                        sqlInsert = 'insert into "%s"."%s" (%s) values (%s)'%(schema,table,fieldString,valString)
+                        #logging.debug("importexcelsql: sqlInsert=%s"%sqlInsert)
+                        
+                    else:
+                        # following rows are data
+                        colNodes=node[1].getElementsByTagNameNS(namespace, colTagName)
+                        data = []
+                        hasData = False
+                        for colNode in colNodes:
+                            dataNodes=colNode.getElementsByTagNameNS(namespace, dataTagName)
+                            if len(dataNodes) > 0:
+                                val = getTextFromNode(dataNodes[0])
+                                hasData = True
+                            else:
+                                val = None
+
+                            data.append(val)
+                            
+                        if not hasData:
+                            # ignore empty rows
+                            continue
+                            
+                        # fix number of data fields
+                        if len(data) > numFields:
+                            del data[numFields:]
+                        elif len(data) < numFields:
+                            missFields = numFields - len(data) 
+                            data.extend(missFields * [None,])
+                            
+                        logging.debug("importexcel sqlinsert=%s data=%s"%(sqlInsert,data))
+                        self.executeSQL(sqlInsert, data, hasResult=False)
+                      
+        return cnt
+            
+
+manage_addWritableRestDbInterfaceForm=PageTemplateFile('zpt/addWritableRestDbInterface',globals())
+
+def manage_addWritableRestDbInterface(self, id, title='', label='', description='',
+                     createPublic=0,
+                     createUserF=0,
+                     REQUEST=None):
+        """Add a new object with id *id*."""
+    
+        ob=WritableRestDbInterface(str(id),title)
+        self._setObject(id, ob)
+        
+        #checkPermission=getSecurityManager().checkPermission
+        REQUEST.RESPONSE.redirect('manage_main')
+
+        
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/__init__.py	Fri Feb 11 15:05:23 2011 +0100
@@ -0,0 +1,21 @@
+
+import RestDbInterface
+import WritableRestDbInterface
+
+def initialize(context):
+
+    context.registerClass(
+         RestDbInterface.RestDbInterface,
+        constructors = (
+          RestDbInterface.manage_addRestDbInterfaceForm,
+          RestDbInterface.manage_addRestDbInterface
+          )
+        )
+
+    context.registerClass(
+         WritableRestDbInterface.WritableRestDbInterface,
+        constructors = (
+          WritableRestDbInterface.manage_addWritableRestDbInterfaceForm,
+          WritableRestDbInterface.manage_addWritableRestDbInterface
+          )
+        )
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/zpt/HTML_index.zpt	Fri Feb 11 15:05:23 2011 +0100
@@ -0,0 +1,25 @@
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
+    "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
+<html xmlns="http://www.w3.org/1999/xhtml"
+  tal:define="layout python:request.get('layout','table'); element_id python:request.get('element_id',None);
+  data here/getListOfSchemas">
+  <head>
+    <meta http-equiv="content-type" content="text/html;charset=utf-8">
+    <title tal:content="template/title">The title</title>
+  </head>
+  <body>
+    <h2>List of schemas</h2>
+    <tal:block tal:condition="python:layout=='select'">
+    <select tal:attributes="id element_id">
+      <option tal:repeat="sch data/data" tal:content="sch"/>
+    </select>
+    </tal:block>
+    <tal:block tal:condition="python:layout=='table'">
+    <table tal:attributes="id element_id">
+      <tr tal:repeat="row data/rows">
+        <td><a tal:define="sch python:row[0]" tal:attributes="href sch" tal:content="sch"/></td>
+      </tr>
+    </table>
+    </tal:block>
+  </body>
+</html>
\ No newline at end of file
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/zpt/HTML_schema.zpt	Fri Feb 11 15:05:23 2011 +0100
@@ -0,0 +1,25 @@
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
+    "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
+<html xmlns="http://www.w3.org/1999/xhtml"
+  tal:define="layout python:request.get('layout','table'); element_id python:request.get('element_id',None);
+  schema options/schema; data python:here.getListOfTables(schema)">
+  <head>
+    <meta http-equiv="content-type" content="text/html;charset=utf-8">
+    <title tal:content="template/title">The title</title>
+  </head>
+  <body>
+    <h2>List of tables for schema <span tal:replace="schema"/></h2>
+    <tal:block tal:condition="python:layout=='select'">
+    <select tal:attributes="id element_id">
+      <option tal:repeat="tbl data/rows" tal:content="python:tbl[0]"/>
+    </select>
+    </tal:block>
+    <tal:block tal:condition="python:layout=='table'">
+    <table tal:attributes="id element_id">
+      <tr tal:repeat="row data/rows">
+        <td><a tal:define="tbl python:row[0]" tal:attributes="href tbl" tal:content="tbl"/></td>
+      </tr>
+    </table>
+    </tal:block>
+  </body>
+</html>
\ No newline at end of file
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/zpt/HTML_schema_table.zpt	Fri Feb 11 15:05:23 2011 +0100
@@ -0,0 +1,28 @@
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
+    "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
+<html xmlns="http://www.w3.org/1999/xhtml"
+  tal:define="layout python:request.get('layout','table'); element_id python:request.get('element_id',None); 
+    schema options/schema; table options/table; data python:here.getTable(schema=schema,table=table);
+    fields data/fields; rows data/rows;">
+  <head>
+    <meta http-equiv="content-type" content="text/html;charset=utf-8">
+    <title tal:content="template/title">The title</title>
+  </head>
+  <body>
+    <h2>table <span tal:replace="table"/></h2>
+    <tal:block tal:condition="python:layout=='table'">
+    <table tal:attributes="id element_id">
+      <thead>
+        <tr>
+	      <th tal:repeat="field fields" tal:content="python:field[0]"/>
+        </tr>
+      </thead>
+      <tbody>
+        <tr tal:repeat="row rows">
+	      <td tal:repeat="col row" tal:content="col"/>
+        </tr>
+      </tbody>
+    </table>
+    </tal:block>
+  </body>
+</html>
\ No newline at end of file
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/zpt/HTML_schema_usertables.zpt	Fri Feb 11 15:05:23 2011 +0100
@@ -0,0 +1,25 @@
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
+    "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
+<html xmlns="http://www.w3.org/1999/xhtml"
+  tal:define="layout python:request.get('layout','table'); element_id python:request.get('element_id',None);
+  schema python:options.get('schema','public'); data python:here.getListOfUserTables(schema)">
+  <head>
+    <meta http-equiv="content-type" content="text/html;charset=utf-8">
+    <title tal:content="template/title">The title</title>
+  </head>
+  <body>
+    <h2>List of user tables for schema <span tal:replace="schema"/></h2>
+    <tal:block tal:condition="python:layout=='select'">
+    <select tal:attributes="id element_id">
+      <option tal:repeat="tbl data/rows" tal:content="python:tbl[0]"/>
+    </select>
+    </tal:block>
+    <tal:block tal:condition="python:layout=='table'">
+    <table tal:attributes="id element_id">
+      <tr tal:repeat="row data/rows">
+        <td><a tal:define="tbl python:row[0]" tal:attributes="href tbl" tal:content="tbl"/></td>
+      </tr>
+    </table>
+    </tal:block>
+  </body>
+</html>
\ No newline at end of file
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/zpt/JSONHTML_index.zpt	Fri Feb 11 15:05:23 2011 +0100
@@ -0,0 +1,13 @@
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
+    "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
+<html xmlns="http://www.w3.org/1999/xhtml"
+  tal:define="layout python:request.get('layout','pre'); element_id python:request.get('element_id',None);
+  data here/getListOfSchemas">
+  <head>
+    <meta http-equiv="content-type" content="text/html;charset=utf-8">
+    <title tal:content="template/title">The title</title>
+  </head>
+  <body>
+  <pre tal:attributes="id element_id" tal:content="python:here.getJsonString(data)"></pre>
+  </body>
+</html>
\ No newline at end of file
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/zpt/JSONHTML_schema.zpt	Fri Feb 11 15:05:23 2011 +0100
@@ -0,0 +1,13 @@
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
+    "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
+<html xmlns="http://www.w3.org/1999/xhtml"
+  tal:define="layout python:request.get('layout','pre'); element_id python:request.get('element_id',None);
+  schema options/schema; data python:here.getListOfTables(schema)">
+  <head>
+    <meta http-equiv="content-type" content="text/html;charset=utf-8">
+    <title tal:content="template/title">The title</title>
+  </head>
+  <body>
+  <pre tal:attributes="id element_id" tal:content="python:here.getJsonString(data)"></pre>
+  </body>
+</html>
\ No newline at end of file
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/zpt/JSONHTML_schema_table.zpt	Fri Feb 11 15:05:23 2011 +0100
@@ -0,0 +1,13 @@
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
+    "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
+<html xmlns="http://www.w3.org/1999/xhtml"
+  tal:define="layout python:request.get('layout','pre'); element_id python:request.get('element_id',None)
+    schema options/schema; table options/table; data python:here.getTable(schema=schema,table=table);">
+  <head>
+    <meta http-equiv="content-type" content="text/html;charset=utf-8">
+    <title tal:content="template/title">The title</title>
+  </head>
+  <body>
+  <pre tal:attributes="id element_id" tal:content="python:here.getJsonString(data)"></pre>
+  </body>
+</html>
\ No newline at end of file
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/zpt/XML_index.zpt	Fri Feb 11 15:05:23 2011 +0100
@@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="utf-8"?>
+<schemalist xmlns:tal="http://xml.zope.org/namespaces/tal"
+  tal:define="data here/getListOfSchemas">
+  <schema tal:repeat="row data/rows">
+	<name tal:content="python:row[0]"/>
+  </schema>
+</schemalist>
\ No newline at end of file
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/zpt/XML_schema.zpt	Fri Feb 11 15:05:23 2011 +0100
@@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="utf-8"?>
+<tablelist xmlns:tal="http://xml.zope.org/namespaces/tal"
+  tal:define="schema options/schema; data python:here.getListOfTables(schema)">
+  <table tal:repeat="row data/rows">
+	<name tal:content="python:row[0]"/>
+  </table>
+</tablelist>
\ No newline at end of file
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/zpt/XML_schema_table.zpt	Fri Feb 11 15:05:23 2011 +0100
@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="utf-8"?>
+<table xmlns:tal="http://xml.zope.org/namespaces/tal" 
+  tal:define="schema options/schema; table options/table; data python:here.getTable(schema=schema,table=table);
+    fields data/fields" tal:attributes="name table">
+  <row tal:repeat="row data/rows">
+	<column tal:repeat="col row" tal:content="python:col" tal:attributes="name python:fields[repeat['col'].index][0]"/>
+  </row>
+</table>
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/zpt/addRestDbInterface.zpt	Fri Feb 11 15:05:23 2011 +0100
@@ -0,0 +1,9 @@
+  <div tal:replace="structure here/manage_page_header">Header</div>
+  <h2>Add a RESTdb interface</h2>
+  <form method="post" action="manage_addRestDbInterface">
+    <p class="form-label">ID</p>
+        <p class="form-element"><input size="80" name="id"/></p>
+    <p class="form-label">Title</p>
+        <p class="form-element"><input size="80" name="title"/></p>
+     <p><input type="submit" value="Add" /></p>
+  </form>
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/zpt/addWritableRestDbInterface.zpt	Fri Feb 11 15:05:23 2011 +0100
@@ -0,0 +1,9 @@
+  <div tal:replace="structure here/manage_page_header">Header</div>
+  <h2>Add a RESTdb interface</h2>
+  <form method="post" action="manage_addWritableRestDbInterface">
+    <p class="form-label">ID</p>
+        <p class="form-element"><input size="80" name="id"/></p>
+    <p class="form-label">Title</p>
+        <p class="form-element"><input size="80" name="title"/></p>
+     <p><input type="submit" value="Add" /></p>
+  </form>