Flesh out pythondemo

[git.ikiwiki.info.git] / plugins / pythondemo

diff --git a/plugins/pythondemo b/plugins/pythondemo
index 5038c603bfa3cd9aaa1b8ac279643e225187b472..8ad3d5fb9a708c5f537f8b5e5f25a41d5e8c7470 100755 (executable)
--- a/plugins/pythondemo
+++ b/plugins/pythondemo
@@ -20,14 +20,14 @@ def debug(s):
     sys.stderr.write(__name__ + ':DEBUG:%s\n' % s)
     sys.stderr.flush()
 
     sys.stderr.write(__name__ + ':DEBUG:%s\n' % s)
     sys.stderr.flush()
 

-proxy = IkiWikiProcedureProxy(__name__, debug_fn=None)
+proxy = IkiWikiProcedureProxy(__name__, debug_fn=debug)

 
 def _arglist_to_dict(args):
     if len(args) % 2 != 0:
         raise ValueError, 'odd number of arguments, cannot convert to dict'
     return dict([args[i:i+2] for i in xrange(0, len(args), 2)])
 
 
 def _arglist_to_dict(args):
     if len(args) % 2 != 0:
         raise ValueError, 'odd number of arguments, cannot convert to dict'
     return dict([args[i:i+2] for i in xrange(0, len(args), 2)])
 

-def getopt_demo(*args):
+def getopt_demo(proxy, *args):

     # This allows for plugins to perform their own processing of command-line
     # options and so add options to the ikiwiki command line. It's called
     # during command line processing, with @ARGV full of any options that
     # This allows for plugins to perform their own processing of command-line
     # options and so add options to the ikiwiki command line. It's called
     # during command line processing, with @ARGV full of any options that


@@ -37,40 +37,44 @@ def getopt_demo(*args):
     # it sees an option it cannot process, and should just skip over those
     # options and leave them in @ARGV.
     #
     # it sees an option it cannot process, and should just skip over those
     # options and leave them in @ARGV.
     #

-    # TODO: See
-    # http://ikiwiki.info/bugs/external_plugins_cannot_access_ARGV_needed_for_getopt

     debug("hook `getopt' called with arguments %s" % str(args))
     debug("hook `getopt' called with arguments %s" % str(args))

-    raise NotImplementedError
-#proxy.hook('getopt', getopt_demo)
+    args = proxy.getargv()
+    if '--demo' in args:
+        args = [i for i in args if i != '--demo']
+    proxy.setargv(args)
+proxy.hook('getopt', getopt_demo)

 
 

-def checkconfig_demo(*args):
+def checkconfig_demo(proxy, *args):

     # This is useful if the plugin needs to check for or modify ikiwiki's
     # configuration. It's called early in the startup process. The function is
     # passed no values. It's ok for the function to call error() if something
     # isn't configured right.
     # This is useful if the plugin needs to check for or modify ikiwiki's
     # configuration. It's called early in the startup process. The function is
     # passed no values. It's ok for the function to call error() if something
     # isn't configured right.

-    # TODO: how do we tell ikiwiki about errors?

     debug("hook `checkconfig' called with arguments %s" % str(args))
     debug("hook `checkconfig' called with arguments %s" % str(args))

-    raise NotImplementedError
-#proxy.hook('checkconfig', checkconfig_demo)
+    # check that --url has been set
+    url = proxy.getvar('config', 'url')
+    if url is None or len(url) == 0:
+        proxy.error('--url has not been set')
+proxy.hook('checkconfig', checkconfig_demo)

 
 

-def refresh_demo(*args):
+def refresh_demo(proxy, *args):

     # This hook is called just before ikiwiki scans the wiki for changed
     # files. It's useful for plugins that need to create or modify a source
     # page. The function is passed no values.
     debug("hook `refresh' called with arguments %s" % str(args))
 proxy.hook('refresh', refresh_demo)
 
     # This hook is called just before ikiwiki scans the wiki for changed
     # files. It's useful for plugins that need to create or modify a source
     # page. The function is passed no values.
     debug("hook `refresh' called with arguments %s" % str(args))
 proxy.hook('refresh', refresh_demo)
 

-def needsbuild_demo(*args):
+def needsbuild_demo(proxy, *args):

     # This allows a plugin to manipulate the list of files that need to be
     # built when the wiki is refreshed. The function is passed a reference to
     # an array of pages that will be rebuilt, and can modify the array, either
     # adding or removing files from it.
     # This allows a plugin to manipulate the list of files that need to be
     # built when the wiki is refreshed. The function is passed a reference to
     # an array of pages that will be rebuilt, and can modify the array, either
     # adding or removing files from it.

-    # TODO: how do we modify the array?
+    # TODO: how do we modify the array? Joey sees no solution...
+    # we could just return the array and expect ikiwiki to use that...

     debug("hook `needsbuild' called with arguments %s" % str(args))
     raise NotImplementedError
 #proxy.hook('needsbuild', needsbuild_demo)
 
     debug("hook `needsbuild' called with arguments %s" % str(args))
     raise NotImplementedError
 #proxy.hook('needsbuild', needsbuild_demo)
 

-def filter_demo(*args):
+def filter_demo(proxy, *args):

     # Runs on the raw source of a page, before anything else touches it, and
     # can make arbitrary changes. The function is passed named parameters
     # "page", "destpage", and "content". It should return the filtered
     # Runs on the raw source of a page, before anything else touches it, and
     # can make arbitrary changes. The function is passed named parameters
     # "page", "destpage", and "content". It should return the filtered


@@ -80,7 +84,7 @@ def filter_demo(*args):
     return kwargs['content']
 proxy.hook('filter', filter_demo)
 
     return kwargs['content']
 proxy.hook('filter', filter_demo)
 

-def preprocess_demo(*args):
+def preprocess_demo(proxy, *args):

     # Each time the directive is processed, the referenced function
     # (preprocess in the example above) is called, and is passed named
     # parameters. A "page" parameter gives the name of the page that embedded
     # Each time the directive is processed, the referenced function
     # (preprocess in the example above) is called, and is passed named
     # parameters. A "page" parameter gives the name of the page that embedded


@@ -106,14 +110,19 @@ def preprocess_demo(*args):
     # through markdown (or whatever engine is used to htmlize the page) along
     # with the rest of the page.
     #
     # through markdown (or whatever engine is used to htmlize the page) along
     # with the rest of the page.
     #

-    # TODO: needs to be handled differently, the ID cannot be the plugin name.

     kwargs = _arglist_to_dict(args)
     debug("hook `preprocess' called with arguments %s" % kwargs)
     kwargs = _arglist_to_dict(args)
     debug("hook `preprocess' called with arguments %s" % kwargs)

-    raise NotImplementedError
-    return kwargs['content']
-#proxy.hook('preprocess', preprocess_demo)
+    del kwargs['preview']
+    del kwargs['page']
+    del kwargs['destpage']
+    ret = 'foobar preprocessor called with arguments:'
+    for i in kwargs.iteritems():
+        ret += ' %s=%s' % i
+    return ret
+# put [[!foobar ...]] somewhere to try this
+proxy.hook('preprocess', preprocess_demo, id='foobar')

 
 

-def linkify_demo(*args):
+def linkify_demo(proxy, *args):

     # This hook is called to convert WikiLinks on the page into html links.
     # The function is passed named parameters "page", "destpage", and
     # "content". It should return the linkified content.
     # This hook is called to convert WikiLinks on the page into html links.
     # The function is passed named parameters "page", "destpage", and
     # "content". It should return the linkified content.


@@ -125,7 +134,7 @@ def linkify_demo(*args):
     return kwargs['content']
 proxy.hook('linkify', linkify_demo)
 
     return kwargs['content']
 proxy.hook('linkify', linkify_demo)
 

-def scan_demo(*args):
+def scan_demo(proxy, *args):

     # This hook is called early in the process of building the wiki, and is
     # used as a first pass scan of the page, to collect metadata about the
     # page. It's mostly used to scan the page for WikiLinks, and add them to
     # This hook is called early in the process of building the wiki, and is
     # used as a first pass scan of the page, to collect metadata about the
     # page. It's mostly used to scan the page for WikiLinks, and add them to


@@ -134,13 +143,18 @@ def scan_demo(*args):
     # The function is passed named parameters "page" and "content". Its return
     # value is ignored.
     #
     # The function is passed named parameters "page" and "content". Its return
     # value is ignored.
     #

-    # TODO: how do we add to %links?

     kwargs = _arglist_to_dict(args)
     debug("hook `scan' called with arguments %s" % kwargs)
     kwargs = _arglist_to_dict(args)
     debug("hook `scan' called with arguments %s" % kwargs)

+    links = proxy.getvar('links', kwargs['page'])
+    debug("links for page `%s' are: %s" % (kwargs['page'], links))
+    proxy.setvar('links', kwargs['page'], links)
+    # TODO: this yields "Can't use string ("1") as an ARRAY ref while "strict
+    # refs" in use at /home/madduck/code/ikiwiki/IkiWiki/Render.pm line 17,
+    # <GEN1> line 476."

     raise NotImplementedError
     raise NotImplementedError

-#proxy.hook('scan', scan_demo)
+proxy.hook('scan', scan_demo)

 
 

-def htmlize_demo(*args):
+def htmlize_demo(proxy, *args):

     # Runs on the raw source of a page and turns it into html. The id
     # parameter specifies the filename extension that a file must have to be
     # htmlized using this plugin. This is how you can add support for new and
     # Runs on the raw source of a page and turns it into html. The id
     # parameter specifies the filename extension that a file must have to be
     # htmlized using this plugin. This is how you can add support for new and


@@ -151,9 +165,9 @@ def htmlize_demo(*args):
     kwargs = _arglist_to_dict(args)
     debug("hook `htmlize' called with arguments %s" % kwargs)
     return kwargs['content']
     kwargs = _arglist_to_dict(args)
     debug("hook `htmlize' called with arguments %s" % kwargs)
     return kwargs['content']

-#proxy.hook('htmlize', htmlize_demo)
+proxy.hook('htmlize', htmlize_demo)

 
 

-def pagetemplate_demo(*args):
+def pagetemplate_demo(proxy, *args):

     # Templates are filled out for many different things in ikiwiki, like
     # generating a page, or part of a blog page, or an rss feed, or a cgi.
     # This hook allows modifying the variables available on those templates.
     # Templates are filled out for many different things in ikiwiki, like
     # generating a page, or part of a blog page, or an rss feed, or a cgi.
     # This hook allows modifying the variables available on those templates.


@@ -165,13 +179,13 @@ def pagetemplate_demo(*args):
     #
     # The most common thing to do is probably to call $template->param() to
     # add a new custom parameter to the template.
     #
     # The most common thing to do is probably to call $template->param() to
     # add a new custom parameter to the template.

-    # TODO: how do we call $template->param()
+    # TODO: how do we call $template->param()?

     kwargs = _arglist_to_dict(args)
     debug("hook `pagetemplate' called with arguments %s" % kwargs)
     raise NotImplementedError
 #proxy.hook('pagetemplate', pagetemplate_demo)
 
     kwargs = _arglist_to_dict(args)
     debug("hook `pagetemplate' called with arguments %s" % kwargs)
     raise NotImplementedError
 #proxy.hook('pagetemplate', pagetemplate_demo)
 

-def templatefile_demo(*args):
+def templatefile_demo(proxy, *args):

     # This hook allows plugins to change the template that is used for a page
     # in the wiki. The hook is passed a "page" parameter, and should return
     # the name of the template file to use, or undef if it doesn't want to
     # This hook allows plugins to change the template that is used for a page
     # in the wiki. The hook is passed a "page" parameter, and should return
     # the name of the template file to use, or undef if it doesn't want to


@@ -180,10 +194,10 @@ def templatefile_demo(*args):
     #
     kwargs = _arglist_to_dict(args)
     debug("hook `templatefile' called with arguments %s" % kwargs)
     #
     kwargs = _arglist_to_dict(args)
     debug("hook `templatefile' called with arguments %s" % kwargs)

-    return None
+    return None #leave the default

 proxy.hook('templatefile', templatefile_demo)
 
 proxy.hook('templatefile', templatefile_demo)
 

-def sanitize_demo(*args):
+def sanitize_demo(proxy, *args):

     # Use this to implement html sanitization or anything else that needs to
     # modify the body of a page after it has been fully converted to html.
     #
     # Use this to implement html sanitization or anything else that needs to
     # modify the body of a page after it has been fully converted to html.
     #


@@ -194,7 +208,7 @@ def sanitize_demo(*args):
     return kwargs['content']
 proxy.hook('sanitize', sanitize_demo)
 
     return kwargs['content']
 proxy.hook('sanitize', sanitize_demo)
 

-def format_demo(*args):
+def format_demo(proxy, *args):

     # The difference between format and sanitize is that sanitize only acts on
     # the page body, while format can modify the entire html page including
     # the header and footer inserted by ikiwiki, the html document type, etc.
     # The difference between format and sanitize is that sanitize only acts on
     # the page body, while format can modify the entire html page including
     # the header and footer inserted by ikiwiki, the html document type, etc.


@@ -206,21 +220,21 @@ def format_demo(*args):
     return kwargs['content']
 proxy.hook('format', format_demo)
 
     return kwargs['content']
 proxy.hook('format', format_demo)
 

-def delete_demo(*args):
+def delete_demo(proxy, *args):

     # Each time a page or pages is removed from the wiki, the referenced
     # function is called, and passed the names of the source files that were
     # removed.
     debug("hook `delete' called with arguments %s" % str(args))
 proxy.hook('delete', delete_demo)
 
     # Each time a page or pages is removed from the wiki, the referenced
     # function is called, and passed the names of the source files that were
     # removed.
     debug("hook `delete' called with arguments %s" % str(args))
 proxy.hook('delete', delete_demo)
 

-def change_demo(*args):
+def change_demo(proxy, *args):

     # Each time ikiwiki renders a change or addition (but not deletion) to the
     # wiki, the referenced function is called, and passed the names of the
     # source files that were rendered.
     debug("hook `change' called with arguments %s" % str(args))
 proxy.hook('change', change_demo)
 
     # Each time ikiwiki renders a change or addition (but not deletion) to the
     # wiki, the referenced function is called, and passed the names of the
     # source files that were rendered.
     debug("hook `change' called with arguments %s" % str(args))
 proxy.hook('change', change_demo)
 

-def cgi_demo(*args):
+def cgi_demo(proxy, *args):

     # Use this to hook into ikiwiki's cgi script. Each registered cgi hook is
     # called in turn, and passed a CGI object. The hook should examine the
     # parameters, and if it will handle this CGI request, output a page
     # Use this to hook into ikiwiki's cgi script. Each registered cgi hook is
     # called in turn, and passed a CGI object. The hook should examine the
     # parameters, and if it will handle this CGI request, output a page


@@ -232,7 +246,7 @@ def cgi_demo(*args):
     raise NotImplementedError
 #proxy.hook('cgi', cgi_demo)
 
     raise NotImplementedError
 #proxy.hook('cgi', cgi_demo)
 

-def auth_demo(*args):
+def auth_demo(proxy, *args):

     # This hook can be used to implement a different authentication method
     # than the standard web form. When a user needs to be authenticated, each
     # registered auth hook is called in turn, and passed a CGI object and
     # This hook can be used to implement a different authentication method
     # than the standard web form. When a user needs to be authenticated, each
     # registered auth hook is called in turn, and passed a CGI object and


@@ -248,7 +262,7 @@ def auth_demo(*args):
     raise NotImplementedError
 #proxy.hook('auth', auth_demo)
 
     raise NotImplementedError
 #proxy.hook('auth', auth_demo)
 

-def sessioncgi_demo(*args):
+def sessioncgi_demo(proxy, *args):

     # Unlike the cgi hook, which is run as soon as possible, the sessioncgi
     # hook is only run once a session object is available. It is passed both
     # a CGI object and a session object. To check if the user is in fact
     # Unlike the cgi hook, which is run as soon as possible, the sessioncgi
     # hook is only run once a session object is available. It is passed both
     # a CGI object and a session object. To check if the user is in fact


@@ -258,7 +272,7 @@ def sessioncgi_demo(*args):
     raise NotImplementedError
 #proxy.hook('sessioncgi', sessioncgi_demo)
 
     raise NotImplementedError
 #proxy.hook('sessioncgi', sessioncgi_demo)
 

-def canedit_demo(*args):
+def canedit_demo(proxy, *args):

     # This hook can be used to implement arbitrary access methods to control
     # when a page can be edited using the web interface (commits from revision
     # control bypass it). When a page is edited, each registered canedit hook
     # This hook can be used to implement arbitrary access methods to control
     # when a page can be edited using the web interface (commits from revision
     # control bypass it). When a page is edited, each registered canedit hook


@@ -276,13 +290,12 @@ def canedit_demo(*args):
     # since it's sometimes used to test to see which pages in a set of pages
     # a user can edit.
     #
     # since it's sometimes used to test to see which pages in a set of pages
     # a user can edit.
     #

-    # TODO: we cannot return undef/None, see above.

     # TODO: how do we return a function?
     debug("hook `canedit' called with arguments %s" % str(args))
     raise NotImplementedError
 #proxy.hook('canedit', canedit_demo)
 
     # TODO: how do we return a function?
     debug("hook `canedit' called with arguments %s" % str(args))
     raise NotImplementedError
 #proxy.hook('canedit', canedit_demo)
 

-def editcontent_demo(*args):
+def editcontent_demo(proxy, *args):

     # This hook is called when a page is saved (or previewed) using the web
     # interface. It is passed named parameters: content, page, cgi, and
     # session. These are, respectively, the new page content as entered by the
     # This hook is called when a page is saved (or previewed) using the web
     # interface. It is passed named parameters: content, page, cgi, and
     # session. These are, respectively, the new page content as entered by the


@@ -294,7 +307,7 @@ def editcontent_demo(*args):
     return kwargs['content']
 proxy.hook('editcontent', editcontent_demo)
 
     return kwargs['content']
 proxy.hook('editcontent', editcontent_demo)
 

-def formbuilder_setup_demo(*args):
+def formbuilder_setup_demo(proxy, *args):

     # These hooks allow tapping into the parts of ikiwiki that use
     # CGI::FormBuilder to generate web forms. These hooks are passed named
     # parameters: cgi, session, form, and buttons. These are, respectively,
     # These hooks allow tapping into the parts of ikiwiki that use
     # CGI::FormBuilder to generate web forms. These hooks are passed named
     # parameters: cgi, session, form, and buttons. These are, respectively,


@@ -317,7 +330,7 @@ def formbuilder_setup_demo(*args):
     return kwargs['content']
 #proxy.hook('formbuilder_setup', formbuilder_setup_demo)
 
     return kwargs['content']
 #proxy.hook('formbuilder_setup', formbuilder_setup_demo)
 

-def formbuilder_demo(*args):
+def formbuilder_demo(proxy, *args):

     # These hooks allow tapping into the parts of ikiwiki that use
     # CGI::FormBuilder to generate web forms. These hooks are passed named
     # parameters: cgi, session, form, and buttons. These are, respectively,
     # These hooks allow tapping into the parts of ikiwiki that use
     # CGI::FormBuilder to generate web forms. These hooks are passed named
     # parameters: cgi, session, form, and buttons. These are, respectively,


@@ -339,7 +352,7 @@ def formbuilder_demo(*args):
     return kwargs['content']
 #proxy.hook('formbuilder', formbuilder_demo)
 
     return kwargs['content']
 #proxy.hook('formbuilder', formbuilder_demo)
 

-def savestate_demo(*args):
+def savestate_demo(proxy, *args):

     # This hook is called wheneven ikiwiki normally saves its state, just
     # before the state is saved. The function can save other state, modify
     # values before they're saved, etc.
     # This hook is called wheneven ikiwiki normally saves its state, just
     # before the state is saved. The function can save other state, modify
     # values before they're saved, etc.