[ckan-dev] How to install ckanext-scheming

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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//
//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//
//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>
> *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
>
>     ·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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