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ZTFY utility functions and classes for Zope3

Project description

What is ztfy.utils ?

ztfy.utils is a set of classes and functions which can be used to handle many small operations.

Internal sub-packages include :
  • date : convert dates to unicode ISO format, parse ISO datetime, convert date to datetime
  • request : get current request, get request annotations, get and set request data via annotations
  • security : get unproxied value of a given object ; can be applied to lists or dicts
  • timezone : convert datetime to a given timezone ; provides a server default timezone utility
  • traversing : get object parents until a given interface is implemented
  • unicode : convert any text to unicode for easy storage
  • protocol : utility functions and modules for several nerwork protocols
  • catalog : TextIndexNG index for Zope catalog and hurry.query “Text” query item
  • text : simple text operations and text to HTML conversion
  • html : HTML parser and HTML to text converter
  • file : file upload data converter
  • tal : text and HTML conversions for use from within TAL

How to use ztfy.utils ?

A set of ztfy.utils usage are given as doctests in ztfy/utils/doctests/README.txt



  • make current participation request optional in “indexObject()” function


  • added “allow_none” and “headers” arguments in XML-RPC “getClient()” methods


  • change test for date types in tztime/gmtime functions (because datetime inherits from date!)


  • small correction in getHumanSize() function
  • added dates formatting functions
  • added check between date and datetime types in timezone module


  • use request locale formatter in getHumanSize function


  • move custom schema fields widgets to package


  • added legend on ZEO connection properties edit form
  • force usage of “escapeSlashes” argument when checking new content name


  • added ZEO connection interface, utility and tools
  • added “ztfy.utils.container” utility module
  • added a persistent utility to store ZEO connection settings
  • added “TextLine list” schema field and widget
  • added request and session cached properties
  • added Python 2.7 compatibility code and timeout parameter to XML-RPC protocol helper
  • changed request “data:” TAL namespace to basic HTTP request so it can be used in views called via JSON-RPC or XML-RPC


  • updated package source layout


  • added dotted decimal schema field, not handling locales :-/


  • upgraded for ztfy.jqueryui 0.6.0
  • added Color schema field and widget
  • added StringLine schema field
  • added “text:translate” TAL adapter
  • moved ITransactionManager adapter from ztfy.scheduler package


  • added HTTP client based on httplib2, handling authentication and proxies


  • corrected encodings vocabulary


  • added encodings vocabulary


  • corrected code and translations in MissingPrincipal class
  • added permissions on TextIndexNG index


  • re-add IList and IDict interfaces forgotten from bad merge :-(


  • better check for missing requests


  • Added “fanstatic:” TALES expression


  • Mark functions and classes as deprecated


  • Updated signature in ztfy.utils.catalog.index to match last hurry.query release


  • Switched to ZTK-1.1.2 and Python 2.6
  • Added “getAge” function in date module
  • Added session module and TALES adapter to get/set session values
  • Check None value in catalog.getObjectId(…) and catalog.getObject(…) methods


  • Added ‘site.locateAndRegister’ facility function
  • Update ServerTimezoneUtility parent classes


  • Added ‘data’ namespace to access request data


  • Initial release

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