[ckan-dev] Error executing new ckan extension

Isabel Ruiz isaruizmellado at gmail.com
Wed Jan 14 14:12:27 UTC 2015


Hi, I haved added: and It returns same error :-(

On Wed, Jan 14, 2015 at 2:53 PM, Ross Jones <ross at servercode.co.uk> wrote:

> Hi,
>
> Try adding
>
>     self._load_config()
>
> before the call to render.
>
>
> Ross
>
>
> Isabel Ruiz wrote:
>
>> Hi,
>>
>> I am developing a ckan extension and I need execute it in a paster
>> command.
>>
>> I have followed ckan extension tutorial steps:
>> * Execute paster create command.
>> * python setup.py develop
>> * Add plugin in .ini file and restart apache2
>>
>> This is the code from my commands.py
>>
>> #############################
>> from ckan.lib.cli import CkanCommand
>> from ckan.lib.base import render
>>
>> class Gen(CkanCommand):
>> summary = ""
>> max_args = 2
>> min_args = 2
>>
>> def generar(self):
>>
>> cmd = self.args[0]
>> import sys
>>
>> data = render(args[0],load_class=None)
>>
>> try:
>> with open(args[1], 'w') as f:
>> f.write(data.encode('utf-8'))
>> print "OK"
>> except IOError, ioe:
>> return "error " + str(ioe)
>> #############################
>>
>> I have create a plugin.py too, but I am not sure about if it is
>> necessary. This is plugin.py code:
>>
>> #############################
>> import ckan.plugins as p
>>
>> class GenPlugin(p.SingletonPlugin):
>>
>>      p.implements(p.IConfigurer)
>>      p.implements(p.ITemplateHelpers)
>>      p.implements(p.IRoutes, inherit=True)
>>
>>      def update_config(self, config):
>>          # add template directory that contains our snippet
>> p.toolkit.add_template_directory(config,
>> '/usr/lib/ckan/default/src/ckanext-extension/ckanext/
>> extension/theme/templates')
>> p.toolkit.add_public_directory (config,
>> '/usr/lib/ckan/default/src/ckanext-extension/ckanext/extension/public')
>>
>>      def get_helpers(self):
>> return {}
>> #############################
>>
>> I have activated virtual environment.
>>
>> When I execute paster commands: paster generar agr1 arg2
>> --config=myinifile.ini
>>
>> It returns:
>>
>> Traceback (most recent call last):
>>    File "/usr/lib/ckan/default/bin/paster", line 9, in <module>
>>      load_entry_point('PasteScript==1.7.5', 'console_scripts',
>> 'paster')()
>>    File
>> "/usr/lib/ckan/default/local/lib/python2.7/site-packages/
>> paste/script/command.py",
>> line 104, in run
>>      invoke(command, command_name, options, args[1:])
>>    File
>> "/usr/lib/ckan/default/local/lib/python2.7/site-packages/
>> paste/script/command.py",
>> line 143, in invoke
>>      exit_code = runner.run(args)
>>    File
>> "/usr/lib/ckan/default/local/lib/python2.7/site-packages/
>> paste/script/command.py",
>> line 238, in run
>>      result = self.command()
>>    File
>> "/home/ckan/ckan/lib/default/src/ckanext-extension/ckanext/
>> extension/commands.py",
>> line 18, in command
>>      data = render(self.args[1], loader_class=None)
>>    File "/home/ckan/ckan/lib/default/src/ckan/ckan/lib/base.py", line
>> 177, in render
>>      if 'Pragma' in response.headers:
>>    File
>> "/usr/lib/ckan/default/local/lib/python2.7/site-packages/
>> paste/registry.py",
>> line 137, in __getattr__
>>      return getattr(self._current_obj(), attr)
>>    File
>> "/usr/lib/ckan/default/local/lib/python2.7/site-packages/
>> paste/registry.py",
>> line 197, in _current_obj
>> 'thread' % self.____name__)
>> TypeError: No object (name: response) has been registered for this thread
>>
>>
>> If I change "data = render(args[0],load_class=None)" for "print "hello
>> world" ", then console returns "hello world", so setup.py, etc, work.
>>
>> So I suppose I have created, developed and configured ckan extension
>> correctly.
>>
>> What can be wrong?
>>
>> Thanks.
>>
>> --
>> Isabel M. Ruiz Mellado
>> http://about.me/isabelruiz
>>
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>>
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-- 
Isabel M. Ruiz Mellado
http://about.me/isabelruiz
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