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Project Description

FSDump Product Overview

FSDump grew out of an itch which many Zope developers have: through-the-web development is faster and easier to do, but causes significant deployment and configuration management problems. Through-the-web code cannot (easily) be checked into CVS, or diffed to show changes, or grepped to find the source of an error message.

Goals

  • The first goal is to ease the burden of getting TTW code under version control: i.e., to make it possible to check a representation of the TTW code into CVS, and then to see what changes between versions.

  • Keep the file-system representations of the TTW objects simple and “natural” (we are explicitly avoiding XML here).

  • Future goals might include:

    o Two-way migration (e.g., make changes to dumped items in

    vim/emacs, and then import those changes back into the TTW code).

Installation

See the separate installation directions.

Usage

  • Use the “Add list” to create a “Dumper” instance in a folder (or Product) which contains the TTW code to be dumped.
  • Supply an absolute path to a directory on the filesystem in which the dumper is to create the files (note that the user as whom Zope is running needs write access to this directory). See the form help.
  • Click the “Change and Dump” button to do the dump to the indicated directory.

Mapping TTW Code to the Filesystem

See the mappings documentation.

Known Issues

  • Some types of metadata (bobobase_modification_time) won’t be exported as a property.
  • See the TODO list.

Edit / Dump Dumper

Description

The “Edit / Dump” view of an Dumper instance is used to set the filesystem path to which the object’s parent will be dumped, and to initiate this dumping. how the operations

Controls

ID
The id of the Dumper object (readonly)
Filesystem path
The path under which the Dumper’s parent will have its filesystem analog (a subdirectory) created. All children of the Dumper’s parent will have their analogs created under this subdirectory. E.g., if the value of this field is /tmp, and the parent folder is called parent_folder, then the dumper will create a subdirectory, /tmp/parent_folder, and build objects in it corresponding to the dumper’s “siblings”.
Use .metadata file
If checked, write a “new-style” .metadata file, in a format compatilbie with CMF 1.4 and later. Properties go into the [Default] section.
Change
Changes the filesystem mapping.
Change and Dump
Changes the filesystem mapping and performs the dumping.

Mapping TTW Code to the Filesystem

General Mapping

  • Create the most “natural” filesystem analogue for each TTW item: Folders -> directories, DTML Methods/Documents -> DTML files, PythonMethods -> Python modules.
  • Trap non-inline properties in a companion file, with a .properties suffix. Store one property per line, using name:type=value syntax.
    • XXX: in companion .metadata file, store the properties in the [Default] section.
  • Map the permission-role map in the [Permissions] section of the companion .metadata file (XXX this feature not present before the switch to .metadata, although it might have mapped to the .security file supported by CMF 1.3)
  • Map local roles in the [LocalRoles] section of the companion .metadata file (XXX this feature not present before the switch to .metadata)
  • Write proxy roles to a proxy property (XXX CMF 1.4 compatibility; this is an ugly spelling). Should probably put it into a “prettier” spelling, as well, and lobby to change the spelling used in CMF.
  • Preserve enough metadata to be able to recreate the TTW object, preferably by using its web interface. This rule is the chief differentiator (in concept) from pickling; we don’t save state which cannot be set by a TTW manager.

Specific Mappings

Folder

  • Recursively store contained items into the folder’s directory.
  • Store a list of the dumped items in an .objects file, one line per item, using the format, name:meta_type.
    • XXX: in .metadata file, store the same lines in an [Objects] directory.

File / Image

  • Save the file contents themselves in binary format using the item’s id.
  • Store properties in *.properties.

DTMLMethod

  • Create a single file containng the text of the template. Filename will have extension, .dtml.

DTMLDocument

  • Create a single file containng the text of the template. Filename will have extension, .dtml.
  • Store properties in *.properties.

Python Script

  • Create a module containing a single top-level function definition, using the “read” format (bindings in comments at the top).

PageTemplate

  • Create a single file containng the text of the template. Filename will have extension, .pt.
  • Store properties in *.properties.

SQL Method

  • Inject the parameter list inline into the body, with a leading blank line.

ZCatalog

  • Store the paths of the catalogued objects in a <id>.catalog file, one line per item.
  • Store the index definititions in a <id>.indexes file, one line per index, using the format, name:meta_type.
  • Store the schema in a <id>.metadata file, one line per field name.

Controller Python Script

  • Create a module containing a single top-level function definition, using the “read” format (bindings in comments at the top). Filename will have extension, .cpy
  • Store properties in *.properties.

Controller Validator

  • Create a module containing a single top-level function definition, using the “read” format (bindings in comments at the top). Filename will have extension, .vpy
  • Store properties in *.properties.

Controller Page Template

  • Create a single file containng the text of the template. Filename will have extension, .cpt.
  • Store properties in *.properties.

Mappings for Obsolete Types

Python Method

  • Create a module containing a single top-level function definition, using the name, argument list, and body.

ZClass

  • Map to a directory.
  • Store “basic” tab values in .properties
  • Store icon in .icon
  • Store propertysheets in propertysheets/common.
  • Store method tab objects (including nested ZClasses) in propertysheets/methods.

Common Instance Property Sheet (ZClass property sheet)

  • Store properties as name:type=value in file of same name.

Zope Permission

  • Store values in *.properties.

Zope Factory

  • Store values in *.properties.

Wizard

  • Map to a directory.
  • Store properties in .properties.
  • Store pages.

WizardPage

  • Store text in *.wizardpage.
  • Store properties in *.properties.

FSDump Changelog

0.9.5 (2009-11-03)

  • Removed broken HelpSys registrations.
  • Fixed the version number used in making the sdist.

0.9.4 (2009-02-22)

0.9.3 (2006-12-20)

  • SVN: http://svn.zope.org/Products.FSDump/tags/FSDump-0_9_3
  • Applied patch from Damine Baty, fixing the output of dumping ZSQLMethods to match the format used by CMF’s FSZSQLMethods.
  • Applied patch from Alejo Roda, adding a handler for Formulator forms.
  • Applied patch from Willi Langenburger, adding a handler for ZWikiPage objects.

0.9.2 (2005-08-09)

0.9.1 (2005-08-09)

  • SVN: http://svn.zope.org/Products.FSDump/tags/FSDump-0_9_1
  • CVS tag: FSDump-0_9_1
  • Added argument to Dumper factory to allow caller to supply handler overrides.
  • Applied patch from Sam Brauer, addressing the following issues:
    • Proxy roles and security settings weren’t being written to the .metadata file.
    • The [Default] section should be named [default].
    • The property-type extensions confuse CMF’s FilesystemDirectoryView (the patch removes the :string for string properties; others are likely still broken).

0.9 (2005-04-29)

  • SVN: http://svn.zope.org/Products.FSDump/tags/FSDump-0_9
  • CVS tag: FSDump-0_9
  • Merged Andy Fundinger’s work, adding handlers for the following CMFFormController meta_types:
    • ControllerPythonScript
    • ControllerValidator
    • ControllerPageTemplates
  • Fix missing import of ConflictError (thanks to Willi Langenburger for the patch).
  • Applied a patch from Willi Langenburger to permit use of a dumper in the root of the Zope instance.

0.8.1 (2004-12-09)

0.8 (2004-10-13)

0.7 (2004-05-17)

  • SVN: http://svn.zope.org/Products.FSDump/tags/FSDump-0_7
  • CVS tag: FSDump-0_7
  • Added knob to force use of single .metadata file, rather than multiples (CMF 1.4 compatibility).
  • Migrated ZMI to use PageTemplates.
  • Bug: when synthesizing a file extension, Dumper didn’t include the synthesized extension in the name of the “companion” properties file.

0.6 (2001-08-09)

0.5 (2001-08-03)

0.4 (2001-06-18)

0.3 (2001-01-06)

0.2 (2000-11-19)

0.1 (2000-11-16)


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Release History

Release History

0.9.5

This version

History Node

TODO: Figure out how to actually get changelog content.

Changelog content for this version goes here.

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FSDump-0.9.4

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TODO: Figure out how to actually get changelog content.

Changelog content for this version goes here.

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