[ckan-dev] How to install ckanext-scheming
Forum
forum at hello-web.net
Thu Sep 22 13:07:31 UTC 2016
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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