[ckan-dev] How to install ckanext-scheming
Forum
forum at hello-web.net
Thu Sep 22 15:20:45 UTC 2016
Thak Tim,
Your helped me. I discovered my error. I modified the datset.json and I
changed the preset field name.
It generate an error, because it could not match it with the data in
preset.json
I finally could add a new fiels.
I am still discovering CKAN, but it look very interresting.
On 9/22/16 3:19 PM, Forum wrote:
>
> 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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