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TurboGears
Package turbogears :: Package toolbox :: Package catwalk :: Class CatWalk

Class CatWalk

source code

            object --+    
                     |    
controllers.Controller --+
                         |
                        CatWalk

Model Browser.

An administration tool for listing, creating, updating or deleting your SQLObject instances.

Version: 0.9

Author: Ronald Jaramillo

Copyright: Copyright 2005 Ronald Jaramillo

License: MIT

Instance Methods
 
__init__(self, model=None)
CatWalk's initializer.		 source code
 
register_static_directory(self) source code
 
error(self, msg='')
Generic error handler for json replies.		 source code
 
load_object(self, object_name)
Return a class reference from the models module by name.		 source code
 
load_instance(self, object_name, id)
Return and instance of the named object with the requested id		 source code
 
object_field(self, row, column)
Get object field.		 source code
 
multiple_join_count(self, row, column)
Return the total number of related objects.		 source code
 
related_join_count(self, row, column)
Return the total number of related objects.		 source code
 
object_field_for_foreign_key(self, row, column)
Return the foreign key value.		 source code
 
update_object(self, object_name, id, values) source code
 
remove_object(self, object_name, id)
Remove the object by id.		 source code
 
extract_parameters(self, cols, values)
Loop trough the columns and extract the values from the dictionary.		 source code
 
extract_foreign_key(self, value, not_none) source code
 
extract_decimal_value(self, value, not_none) source code
 
object_instances(self, object_name, start=0)
Return dictionary containing all instances for the requested object.		 source code
 
foreign_key_alternatives(self, foreign_key, column_label)
Return list of dictionaries containing the posible foreignKey values.		 source code
 
encode_label(self, label) source code
 
headers_and_rows(self, objectName, rows)
Return a tuple containing a list of rows and header labels.		 source code
 
object_joins(self, objectName, id, join, joinType, joinObjectName='')
Collect the joined instances into a dictionary.		 source code
 
object_representation(self, obj)
Utility method that returns a stripped object representation.		 source code
 
get_column_type(self, column)
Given a column representation return the column type.		 source code
 
column_title(self, column) source code
 
column_default(self, column, column_type) source code
 
column_not_none(self, column) source code
 
get_column_properties(self, column_name, column)
Return a dictionary containing the column properties.		 source code
 
get_string_properties(self, column, properties)
Extract the SOStringCol properties from the column object.		 source code
 
get_foreign_key_properties(self, column, properties)
Extract the foreignKey properties from the column object.		 source code
 
object_columns(self, object_name)
Return list of columns properties arranged in dicts.		 source code
 
get_columns_for_object(self, obj)
Return list of columns properties arranged in dicts.		 source code
 
get_inherited_columns(self, obj)
Return the columns inherited from the parent class		 source code
 
is_inheritable_base_class(self, obj)
Check if the object is a direct subclass of InheritableSQLObject		 source code
 
state_path(self)
Return the path to the catwalk session pickle.		 source code
 
load_state(self)
Retrieve the pickled state from disc.		 source code
 
save_state(self, state)
Pickle the state.		 source code
 
hide_columns(self, view, columns='') source code
 
toggle_columns_visibility_state(self, view, columns)
Toggle the columns visibility and store the new state.		 source code
 
load_columns_visibility_state(self, view)
Return a list of hidden columns names for the requested view.		 source code
 
load_label_column_for_object(self, objectName)
Get the column name (foreignKey label) for an object.		 source code
 
column_label_for_object(self, objectName, columnName)
Store the column name (foreignKey label) for an object.		 source code
 
load_column_order(self, object_name)
Get the column order.		 source code
 
save_column_order(self, object_name, columns_bsv)
Save the preferred order of the object's columns.		 source code
 
order_columns(self, object_name, cols)
Return a rearranged list of columns as configured by the user.		 source code
 
save_model_order(self, models)
Store the new order of the listed models.		 source code
 
load_models_order(self) source code
 
order_models(self, models) source code
 
add(self, **v)
Create a new instance of an object.		 source code
 
update(self, **values)
Update the objects properties.		 source code
 
remove(self, objectName, id)
Remove and instance by id.		 source code
 
remove_single_join(self, object_name, id, join_object_name, join_object_id)
Remove a single join instance by id.		 source code
 
saveModelOrder(self, models)
Save the preferred order of the listed models.		 source code
 
columnOrder(self, objectName, cols)
Save the preferred order of the object's columns.		 source code
 
instances(self, objectName, start=0)
Get object instances.		 source code
 
manageRelatedJoins(self, objectName, id, join, relatedObjectName, **vargs)
Get related joins.		 source code
 
updateJoins(self, objectName, id, join, joinType, joinObjectName, joins)
Update joins.		 source code
 
updateColumns(self, objectName, column)
Update a column.		 source code
 
updateColumnsJoinView(self, objectName, id, join, joinType, joinObjectName, column)
Update column in join view.		 source code
 
joins(self, objectName, id, join, joinType, joinObjectName)
Get joins.		 source code
 
object_instance(self, object_name, id) source code
 
instance(self, objectName, id)
Get object instance.		 source code
 
columnsForLabel(self, objectName, foreignObjectName, foreignKeyName)
Get columns for label.		 source code
 
setColumnForLabel(self, objectName, foreignObjectName, foreignKeyName, columnName)
Set columns for label.		 source code
 
columns(self, objectName, **kv)
Return JSON structure containing a list of column properties.		 source code
 
models(self) source code
 
list(self)
Return JSON structure containing a list of available objects.		 source code
 
index(self)
Main CatWalk page.		 source code

Inherited from object: __delattr__, __format__, __getattribute__, __hash__, __new__, __reduce__, __reduce_ex__, __repr__, __setattr__, __sizeof__, __str__, __subclasshook__

Class Variables
  __label__ = "CatWalk"
  __email__ = "ronald@checkandshare.com"
  browse = Browse()
  need_project = True
hash(x)
  icon = "/tg_static/images/catwalk.png"

Inherited from controllers.Controller: is_app_root

Properties

Inherited from object: __class__

Method Details

__init__(self, model=None)
(Constructor)

source code 

CatWalk's initializer.

Parameters:
  • model (yourproject.model) - reference to a project model module
Overrides: object.__init__

error(self, msg='')

source code 

Generic error handler for json replies.

Decorators:
  • @expose(format= "json")

load_object(self, object_name)

source code 

Return a class reference from the models module by name.

Parameters:
  • object_name (string) - name of the object

object_field(self, row, column)

source code 

Get object field.

Returns a dict containing the column name and value for the specific column and row,

Parameters:
  • row - model instance
  • column (dict) - dict containing columnName, title, type, eventually join, joinMethodName and/or options

extract_parameters(self, cols, values)

source code 

Loop trough the columns and extract the values from the dictionary.

Parameters:
  • cols - column list
  • values - dict of submitted values

object_instances(self, object_name, start=0)

source code 

Return dictionary containing all instances for the requested object.

Parameters:
  • object_name (string) - name of the object

foreign_key_alternatives(self, foreign_key, column_label)

source code 

Return list of dictionaries containing the posible foreignKey values.

Parameters:
  • foreign_key (string) - name of the foreignKey object
  • column_label (string) - name of the column to use as instance identifier

headers_and_rows(self, objectName, rows)

source code 

Return a tuple containing a list of rows and header labels.

Parameters:
  • objectName (string) - name of the object
  • rows - list of intances

object_joins(self, objectName, id, join, joinType, joinObjectName='')

source code 

Collect the joined instances into a dictionary.

Parameters:
  • objectName (string) - name of the object
  • id (string) - id of the instance
  • join (string) - name of the join (joinMethodName in SQLObject parlance)
  • joinType (string) - name of join type
  • joinObjectName (string) - otherClassName (in SQLObject parlance)

get_column_properties(self, column_name, column)

source code 

Return a dictionary containing the column properties.

Depending on the column type the properties returned could be: type, title, join (otherClassName), joinMethodName, length, varchar, labelColumn, options

Parameters:
  • column_name (string) - name of the column
  • column - column instance

object_columns(self, object_name)

source code 

Return list of columns properties arranged in dicts.

Parameters:
  • object_name (string) - name of the object

get_columns_for_object(self, obj)

source code 

Return list of columns properties arranged in dicts.

Parameters:
  • object - model instance

state_path(self)

source code 

Return the path to the catwalk session pickle.

By default this is located in a directory named 'catwalk-session' beneath your application's package directory or, if the package name can not be determined, below the current directory.

The directory must be writable by the server and will be created if it does not exist. You can specify a different directory if you set the config setting 'catwalk.session_dir' to an absolute path.

toggle_columns_visibility_state(self, view, columns)

source code 

Toggle the columns visibility and store the new state.

Parameters:
  • view (string) - name of the grid view to be stored
  • columns - name of the columns to be hidden or shown
  • column (bar separated string)

load_columns_visibility_state(self, view)

source code 

Return a list of hidden columns names for the requested view.

Parameters:
  • view (string) - name of the grid view to be stored

load_label_column_for_object(self, objectName)

source code 

Get the column name (foreignKey label) for an object.

Parameters:
  • objectName (string) - name of the object

column_label_for_object(self, objectName, columnName)

source code 

Store the column name (foreignKey label) for an object.

Parameters:
  • objectName (string) - name of the object
  • columnName (string) - name of the column to use as foreignKey label

load_column_order(self, object_name)

source code 

Get the column order.

If the user has rearranged the columns order for an object, this will return the preferred order as list.

Parameters:
  • object_name (string) - name of the object

save_column_order(self, object_name, columns_bsv)

source code  
Save the preferred order of the object's columns.

@param object_name: name of the object
@type object_name: string
@param columns_bsv: bar (|) delimited columns names
   @type columns_bsv: string

order_columns(self, object_name, cols)

source code 

Return a rearranged list of columns as configured by the user.

Parameters:
  • object_name (string) - name of the object
  • cols (list) - original list of columns following the default table order

add(self, **v)

source code 

Create a new instance of an object.

Parameters:
  • v - dictionary of submitted values
Decorators:
  • @expose(format= "json")

update(self, **values)

source code 

Update the objects properties.

Parameters:
  • values - dictionary of key and values, as a bare minimum the name of the object (objectName) and the id
Decorators:
  • @expose(format= "json")

remove(self, objectName, id)

source code 

Remove and instance by id.

This doesn't handle references (cascade delete).

Parameters:
  • objectName (string) - name of the object
  • id (string) - id of the instance to be removed
Decorators:
  • @expose(format= "json")

remove_single_join(self, object_name, id, join_object_name, join_object_id)

source code 

Remove a single join instance by id.

This doesn't handle references (cascade delete).

Parameters:
  • object_name (string) - name of the host object
  • id (string) - id of the host instance
  • join_object_name (string) - name of the join object
  • join_object_id (string) - id of the join instance to be removed
Decorators:
  • @expose(format= "json")

saveModelOrder(self, models)

source code 

Save the preferred order of the listed models.

Decorators:
  • @expose(format= "json")

columnOrder(self, objectName, cols)

source code 

Save the preferred order of the object's columns.

Parameters:
  • objectName (string) - name of the object
  • cols (string) - columns names separated by '|'
Decorators:
  • @expose(format= "json")

instances(self, objectName, start=0)

source code 

Get object instances.

Returns a JSON structure containing all instances of the requested object.

Parameters:
  • objectName (string) - name of the object
Decorators:
  • @expose(format= "json")

manageRelatedJoins(self, objectName, id, join, relatedObjectName, **vargs)

source code 

Get related joins.

Returns a JSON structure with a list of related joins for the requested object, and a list of all joins.

Parameters:
  • objectName (string) - name of the object
  • id (string) - id of the instance
  • join (string) - name of the join (joinMethodName in SQLObject parlance)
  • relatedObjectName (string) - otherClassName (in SQLObject parlance)
Decorators:
  • @expose(format= "json")

updateJoins(self, objectName, id, join, joinType, joinObjectName, joins)

source code 

Update joins.

Drop all related joins first, then loop trough the submitted joins and set the relation.

Parameters:
  • objectName (string) - name of the object
  • id (string) - id of the instance to be removed
  • join (string) - name of the join field (joinMethodName)
  • joinType (string) - type of the join (Multiple or Related)
  • joinObjectName (string) - name of the joined object (otherClassName)
  • joins (string) - comma delimited string of join instances id's
Decorators:
  • @expose(format= "json")

updateColumns(self, objectName, column)

source code 

Update a column.

Toggle (and store) the state of the requested column in grid view display.

Parameters:
  • objectName (string) - name of the object
  • column (string) - name of the column to be hidden
Decorators:
  • @expose(format= "json")

updateColumnsJoinView(self, objectName, id, join, joinType, joinObjectName, column)

source code 

Update column in join view.

Toggle (and store) the state of the requested column in grid view display for a join view.

Parameters:
  • objectName (string) - name of the object
  • id (string) - id of the 'parent' instance
  • join (string) - name of the join (joinMethodName in SQLObject parlance)
  • joinType (string) - name of join type
  • joinObjectName (string) - otherClassName (in SQLObject parlance)
  • column (string) - name of the column to be hidden or shown
Decorators:
  • @expose(format= "json")

joins(self, objectName, id, join, joinType, joinObjectName)

source code 

Get joins.

Return a JSON structure containing a list joins for the requested object's joinMethodName.

Parameters:
  • objectName (string) - name of the object
  • id (string) - id of the instance
  • join (string) - name of the join (joinMethodName in SQLObject parlance)
  • joinType (string) - name of join type
  • joinObjectName (string) - otherClassName (in SQLObject parlance)
Decorators:
  • @expose(format= "json")

instance(self, objectName, id)

source code 

Get object instance.

Return a JSON structure containing the columns and field values for the requested object

Parameters:
  • objectName (string) - name of the object
  • id (string) - id of the instance
Decorators:
  • @expose(format= "json")

columnsForLabel(self, objectName, foreignObjectName, foreignKeyName)

source code 

Get columns for label.

Return a JSON structure with a list of columns to use as foreignKey label.

Parameters:
  • objectName (string) - name of the object
  • foreignObjectName (string) - name of the object the foreignKey refers to
  • foreignKeyName (string) - name of the object foreignKey field
Decorators:
  • @expose(format= "json")

setColumnForLabel(self, objectName, foreignObjectName, foreignKeyName, columnName)

source code 

Set columns for label.

Exposed method that let you store the column name to be used as foreignKey label for the requested object.

Parameters:
  • objectName (string) - name of the object
  • foreignObjectName (string) - name of the object the foreignKey refers to
  • foreignKeyName (string) - name of the object foreignKey field
  • columnName (string) - name of the column to use as foreignKey label
Decorators:
  • @expose(format= "json")

columns(self, objectName, **kv)

source code 

Return JSON structure containing a list of column properties.

Parameters:
  • objectName (string) - name of the object
Decorators:
  • @expose(format= "json")

list(self)

source code 

Return JSON structure containing a list of available objects.

Decorators:
  • @expose(format= "json")

index(self)

source code 

Main CatWalk page.

Import the proper client side libraries and set up the placeholder for the dynamic elements.

Decorators:
  • @expose(template= 'turbogears.toolbox.catwalk.catwalk')

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