[ckan-dev] How to install ckanext-scheming

Forum forum at hello-web.net
Thu Sep 22 13:19:45 UTC 2016


We are also agree that the following command must lunch from the folder

/
/

//usr/lib/ckan/default/src/ckanext-scheming/


and not form

/
/

//usr/lib/ckan/default/src//


Because the steup.py is in ckanext-scheming folder?

Cheers

On 9/22/16 3:07 PM, Forum wrote:
>
> Dear Tim,
>
> Thank again for helping.
>
>
> Just to make sure I understand before entering command.
>
>
>  1. Could you tell me that does python setup.py develop
>  2. Your wrote "Addition I make to xxxx.ini", do you mean, I have to
>     add your recommandation in /etc/ckan/default/production.ini ? (I
>     suppose yes)
>  3. .. you restart webserver, do you means sudo service apache2 reload
>     (sorry for that stupid question :o)
>
>
> Thank again
> Cheers
>
> On 9/22/16 2:58 PM, Timothy Giles wrote:
>>
>> OK,
>>
>> After 6, do
>>
>>                       7. python setup.py develop
>>
>> Additions I make to xxxxx.ini
>>
>> scheming.dataset_schemas = ckanext.scheming:dataset.json
>>
>> scheming.presets = ckanext.scheming:presets.json
>>
>> scheming.dataset_fallback = false
>>
>> You must then make a json file at: 
>> /usr/lib/ckan/default/src/ckanext-scheming/ckanext/scheming/dataset.json
>>
>> I would suggest you fist copy the file ………../ckan_dataset.json  to   
>> ……./dataset.json.
>>
>> When you restart the webserver (production) or redo paster serve….   
>> Then the new schema is used when you click on the new dataset button.
>>
>> You can then make a change to the dataset.json, restart the webserver 
>> or paster serve….. and you will see the changes
>>
>> Hope that helps
>>
>> Tim
>>
>> *From:*ckan-dev [mailto:ckan-dev-bounces at lists.okfn.org] *On Behalf 
>> Of *Forum
>> *Sent:* den 22 september 2016 14:53
>> *To:* CKAN Development Discussions <ckan-dev at lists.okfn.org>
>> *Subject:* Re: [ckan-dev] How to install ckanext-scheming
>>
>> Dear Tim,
>>
>> I am sorry to annoy but I have pain to setup chanext-scheming.
>>
>> I successfully perform those operation:
>>
>> 1./#sudo chown -R `whoami` /usr/lib/ckan/default/
>>
>> 2.#. /usr/lib/ckan/default/bin/activate
>>
>> 3./#/cd /usr/lib/ckan/default/src
>>
>> 4./#/pip install -e 
>> ‘git+https://github.com/ckan/ckanext-scheming.git#egg=ckanext-scheming’
>>
>> 5.#cd ./ckanext-scheming
>>
>> 6.#pip install -r 
>> /usr/lib/ckan/default/src/ckanext-scheming/requirements.txt
>>
>> But I really do not understand how to configure it following this page
>>
>> https://github.com/ckan/ckanext-scheming
>>
>> I do not understand how to modify the configuration. Is the file 
>> /etc/lib/ckan/default/production.ini?
>>
>> I try to modifiy the following (In green, it what I added):
>>
>> ckan.plugins = stats text_view image_view recline_view*scheming_datasets*
>>
>> #   module-path:file to schemas being used
>> *scheming.dataset_schemas**= ckanext.spatialx:spatialx_schema.json*
>> *                           ckanext.spatialx:spatialxy_schema.json*
>> #   will try to load "spatialx_schema.json" and "spatialxy_schema.json"
>> #   as dataset schemas
>> #
>> #   URLs may also be used, e.g:
>> #
>> # scheming.dataset_schemas = http://example.com/spatialx_schema.json
>> #   Preset files may be included as well. The default preset setting is:
>> *scheming.presets**= ckanext.scheming:presets.json*
>> #   The is_fallback setting may be changed as well. Defaults to false:
>> *scheming.dataset_fallback**= false*
>> **
>>
>> After adding those line, I reload apache2 and the web page display an 
>> Internal Server Error. I also tried
>>
>> *scheming.dataset_schemas**= ckanext.spatialx:spatialx_schema.json*
>>
>> *or*
>>
>> *scheming.dataset_schemas**= ckanext.spatialx:spatialxy_schema.json*
>>
>>
>> But none works
>>
>> I also edited the file 
>> */usr/lib/ckan/default/src/ckanext-scheming/ckanext/scheming/ckan_dataset.json* 
>> and modified a field name, a label but I could not see a change on 
>> the web interface.
>>
>> I am new with CKAN, could tell me a bit more about the configuration 
>> and how to add new field?
>>
>> Many thank
>> Cheers
>>
>> Pierre
>>
>> On 9/22/16 1:17 PM, Forum wrote:
>>
>>     Ok, I think I solved the problem.
>>
>>     As I said, I install CKAN from package.
>>
>>     Because of my issue, I red the doc and I compare the instruction
>>     to install CKAN from source. I also compare the file permissions
>>     of /usr/lib/ckan/default
>>
>>     http://docs.ckan.org/en/latest/maintaining/installing/install-from-source.html
>>
>>     The instruction to install from source said:
>>
>>     1.Create a Python virtual environment <http://www.virtualenv.org>
>>     (virtualenv) to install CKAN into, and activate it:
>>
>>     2.sudo mkdir -p /usr/lib/ckan/default
>>
>>     3.sudo chown `whoami` /usr/lib/ckan/default
>>
>>     4.virtualenv --no-site-packages /usr/lib/ckan/default
>>
>>     5.. /usr/lib/ckan/default/bin/activate
>>
>>     In red, I could understand thta my file permission was not
>>     correct. I ran the following command
>>
>>     sudo chown -R `whoami` /usr/lib/ckan/default
>>
>>     and then I try to install again ckanext-scheming and it work (see
>>     below).
>>
>>     *But why the installation from package do not set the correct
>>     permission?*
>>
>>     /(default)cry at crypc11:/usr/lib/ckan/default/src/ckan$ pip install
>>     -e
>>     'git+https://github.com/ckan/ckanext-scheming.git#egg=ckanext-scheming'
>>     Obtaining ckanext-scheming from
>>     git+https://github.com/ckan/ckanext-scheming.git#egg=ckanext-scheming
>>       Directory /usr/lib/ckan/default/src/ckanext-scheming already
>>     exists, and is not a git clone.
>>       The plan is to install the git repository
>>     https://github.com/ckan/ckanext-scheming.git
>>     <https://github.com/ckan/ckanext-scheming.git>
>>     //What to do?  (i)gnore, (w)ipe, (b)ackup w
>>       Deleting /usr/lib/ckan/default/src/ckanext-scheming
>>       Cloning https://github.com/ckan/ckanext-scheming.git to
>>     /usr/lib/ckan/default/src/ckanext-scheming
>>     Installing collected packages: ckanext-scheming
>>       Running setup.py develop for ckanext-scheming
>>     Successfully installed ckanext-scheming
>>     You are using pip version 7.1.2, however version 8.1.2 is available.
>>     You should consider upgrading via the 'pip install --upgrade pip'
>>     command./
>>
>>     /
>>     (default)cry at crypc11:/usr/lib/ckan/default/src/ckan$ pip install
>>     --upgrade pip
>>     /usr/lib/ckan/default/local/lib/python2.7/site-packages/pip/_vendor/requests/packages/urllib3/util/ssl_.py:90:
>>     InsecurePlatformWarning: A true SSLContext object is not
>>     available. This prevents urllib3 from configuring SSL
>>     appropriately and may cause certain SSL connections to fail. For
>>     more information, see
>>     https://urllib3.readthedocs.org/en/latest/security.html#insecureplatformwarning.
>>       InsecurePlatformWarning
>>     Collecting pip
>>       Downloading pip-8.1.2-py2.py3-none-any.whl (1.2MB)
>>         100% |████████████████████████████████| 1.2MB 510kB/s
>>     Installing collected packages: pip
>>       Found existing installation: pip 7.1.2
>>         Uninstalling pip-7.1.2:
>>           Successfully uninstalled pip-7.1.2
>>     Successfully installed pip-8.1.2/
>>
>>     /(default)cry at crypc11:/usr/lib/ckan/default/src/ckan$ /
>>
>>     On 9/22/16 12:59 PM, Forum wrote:
>>
>>         Dear Tim
>>
>>         Unfortunately, it does not work. Here is the error messages:
>>
>>         I manually created
>>         //usr/lib/ckan/default/src/ckanext-scheming/ because it could
>>         not/
>>
>>         /(default)cry at crypc:/usr/lib/ckan/default/src$ pip install -e
>>         'git+https://github.com/ckan/ckanext-scheming.git#egg=ckanext-scheming'
>>         Obtaining ckanext-scheming from
>>         git+https://github.com/ckan/ckanext-scheming.git#egg=ckanext-scheming
>>         //  Directory /usr/lib/ckan/default/src/ckanext-scheming
>>         already exists, and is not a git clone.
>>           The plan is to install the git repository
>>         https://github.com/ckan/ckanext-scheming.git
>>         <https://github.com/ckan/ckanext-scheming.git>
>>         What to do?  (i)gnore, (w)ipe, (b)ackup i
>>         //    Complete output from command python setup.py egg_info:
>>             Traceback (most recent call last):
>>               File "<string>", line 18, in <module>
>>             IOError: [Errno 2] No such file or directory:
>>         '/usr/lib/ckan/default/src/ckanext-scheming/setup.py'
>>
>>             ----------------------------------------
>>         Command "python setup.py egg_info" failed with error code 1
>>         in /usr/lib/ckan/default/src/ckanext-scheming/
>>
>>         /(default)cry at crypc:/usr/lib/ckan/default/src$ ll
>>         ckanext-scheming/
>>         total 8
>>         drwxr-xr-x 2 cry cry 4096 Sep 22 12:45 ./
>>         drwxr-xr-x 4 root  root  4096 Sep 22 12:51 ..//
>>
>>         /(default)cry at crypc11:/usr/lib/ckan/default/src$ pip install
>>         -e
>>         'git+https://github.com/ckan/ckanext-scheming.git#egg=ckanext-scheming'
>>         Obtaining ckanext-scheming from
>>         git+https://github.com/ckan/ckanext-scheming.git#egg=ckanext-scheming
>>           Directory /usr/lib/ckan/default/src/ckanext-scheming
>>         already exists, and is not a git clone.
>>           The plan is to install the git repository
>>         https://github.com/ckan/ckanext-scheming.git
>>         <https://github.com/ckan/ckanext-scheming.git>
>>         What to do?  (i)gnore, (w)ipe, (b)ackup w
>>         //Deleting ./ckanext-scheming
>>         Exception:
>>         Traceback (most recent call last):
>>           File
>>         "/usr/lib/ckan/default/local/lib/python2.7/site-packages/pip/basecommand.py",
>>         line 211, in main
>>             status = self.run(options, args)
>>           File
>>         "/usr/lib/ckan/default/local/lib/python2.7/site-packages/pip/commands/install.py",
>>         line 305, in run
>>             wb.build(autobuilding=True)
>>           File
>>         "/usr/lib/ckan/default/local/lib/python2.7/site-packages/pip/wheel.py",
>>         line 705, in build
>>             self.requirement_set.prepare_files(self.finder)
>>           File
>>         "/usr/lib/ckan/default/local/lib/python2.7/site-packages/pip/req/req_set.py",
>>         line 334, in prepare_files
>>             functools.partial(self._prepare_file, finder))
>>           File
>>         "/usr/lib/ckan/default/local/lib/python2.7/site-packages/pip/req/req_set.py",
>>         line 321, in _walk_req_to_install
>>             more_reqs = handler(req_to_install)
>>           File
>>         "/usr/lib/ckan/default/local/lib/python2.7/site-packages/pip/req/req_set.py",
>>         line 433, in _prepare_file
>>             req_to_install.update_editable(not self.is_download)
>>           File
>>         "/usr/lib/ckan/default/local/lib/python2.7/site-packages/pip/req/req_install.py",
>>         line 573, in update_editable
>>             vcs_backend.obtain(self.source_dir)
>>           File
>>         "/usr/lib/ckan/default/local/lib/python2.7/site-packages/pip/vcs/git.py",
>>         line 109, in obtain
>>             if self.check_destination(dest, url, rev_options,
>>         rev_display):
>>           File
>>         "/usr/lib/ckan/default/local/lib/python2.7/site-packages/pip/vcs/__init__.py",
>>         line 257, in check_destination
>>             rmtree(dest)
>>           File
>>         "/usr/lib/ckan/default/local/lib/python2.7/site-packages/pip/_vendor/retrying.py",
>>         line 49, in wrapped_f
>>             return Retrying(*dargs, **dkw).call(f, *args, **kw)
>>           File
>>         "/usr/lib/ckan/default/local/lib/python2.7/site-packages/pip/_vendor/retrying.py",
>>         line 212, in call
>>             raise attempt.get()
>>           File
>>         "/usr/lib/ckan/default/local/lib/python2.7/site-packages/pip/_vendor/retrying.py",
>>         line 247, in get
>>             six.reraise(self.value[0], self.value[1], self.value[2])
>>           File
>>         "/usr/lib/ckan/default/local/lib/python2.7/site-packages/pip/_vendor/retrying.py",
>>         line 200, in call
>>             attempt = Attempt(fn(*args, **kwargs), attempt_number, False)
>>           File
>>         "/usr/lib/ckan/default/local/lib/python2.7/site-packages/pip/utils/__init__.py",
>>         line 90, in rmtree
>>             onerror=rmtree_errorhandler)
>>           File "/usr/lib/python2.7/shutil.py", line 239, in rmtree
>>             onerror(os.listdir, path, sys.exc_info())
>>           File "/usr/lib/python2.7/shutil.py", line 237, in rmtree
>>             names = os.listdir(path)
>>         OSError: [Errno 13] Permission denied:
>>         '/usr/lib/ckan/default/src/ckanext-scheming'/
>>
>>         /(default)cry at crypc11:/usr/lib/ckan/default/src$ /
>>
>>         Is not a permission problem?
>>
>>         Thank for your help
>>
>>         Cheers
>>
>>         On 9/21/16 5:34 PM, Timothy Giles wrote:
>>
>>             The .activate just ensures you are in the virtual
>>             environment that ckan dev is installed in.
>>
>>             You follow a very similar install process for almost all
>>             ckan extensions. Some have requirements.txt and/or
>>             dev-requirements.txt that need installing. Some
>>             extensions require supporting DB tables to be created (QA
>>             for example). Generally though, if you learn the
>>             procedure below, you can install almost all extensions
>>             without issue.
>>
>>
>>
>>             Regards Timothy
>>
>>
>>
>>             *From:*ckan-dev [mailto:ckan-dev-bounces at lists.okfn.org]
>>             *On Behalf Of *Forum
>>             *Sent:* den 21 september 2016 15:53
>>             *To:* CKAN Development Discussions
>>             <ckan-dev at lists.okfn.org> <mailto:ckan-dev at lists.okfn.org>
>>             *Subject:* Re: [ckan-dev] How to install ckanext-scheming
>>
>>             Dear Tim,
>>
>>             Thank for your help.
>>
>>             When I firstly install ckan, I installed it from source
>>             and I used that command during the process
>>
>>             . /usr/lib/ckan/default/bin/activate
>>
>>             I reinstalled my PC with a new Ubuntu 14.04 installation
>>             and I installed successfuly CKAN from the package. I did
>>             not needed to use the above command.
>>
>>             I supposed, even if I installed CKAN from package, I can
>>             use the above command and use pip?
>>             I will try to install ckanext-scheming later or tomorrow.
>>
>>             Cheers
>>             Pierre
>>
>>             On 9/21/16 3:38 PM, Timothy Giles wrote:
>>
>>                 Pierre,
>>
>>                 . /usr/lib/ckan/default/bin/activate
>>
>>                 cd /usr/lib/ckan/default/src
>>
>>                 pip install -e
>>                 ”git+https://github.com/ckan/ckanext-scheming.git#egg=ckanext-scheming”
>>
>>                 cd ./ckanext-scheming
>>
>>                 pip install -r
>>                 /usr/lib/ckan/default/src/ckanext-scheming/requirements.txt
>>
>>                 1.Any issues, sudo the previous command *
>>
>>                 As the rest of the instructions say, insert
>>                 scheming_datasets in to your plugins line
>>
>>                 Add in the scheming.presets section in to your
>>                 config, just under the plugins section
>>
>>                 Add in a scheming.dataset_fallback = false
>>
>>                 Add in a scheming.dataset_schemas =
>>                 ckanext.scheming:schemaname.json
>>
>>                 Where schemaname.json is the JSON file that describes
>>                 your schema (ie. list of metadata elements). As an
>>                 example, I think there is camel.json and
>>                 ckan_dataset.json
>>
>>                 Create a similar template file called dataset.json
>>                 and it will load as the default ‘new dataset’
>>                 schema/template.
>>
>>                 Sorry – the json files are stored in
>>                 ./ckanext-scheming/ckanext/scheming/…….
>>
>>                 Hope the above helps
>>
>>                 Tim
>>
>>
>>
>>
>>                 _______________________________________________
>>
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>>
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>>
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>>
>>
>>
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