[cubicweb/doc] Add tutorial on data import in CubicWeb. This involves creating the "tutorials/dataimport" directory structure under "cubicweb/doc" and, inside the "dataimport" directory, putting several files: - a ResT file containing the tutorial *per se*; this tutorial addresses the following issues: * creating a CubicWeb schema for representing a given data set (here, the Diseasome RDF data, for illustration purposes); * parsing the data; * importing the data, by using several stores: + the ``RQLObjectStore``, ``NoHookRQLObjectStore`` and ``SQLGenObjectStore`` from the ``dataimport`` module in CubicWeb; + the ``MassiveObjectStore`` from the ``dataimport`` module in the ``dataio`` cube. The tutorial also provides timing benchmarks of the various stores. - a set of Python files illustrating the data import, in the context of Diseasome RDF data parsing: * a Diseasome RDF data parse module, * a Diseasome data import module, * a CubicWeb schema for representing Diseasome data.

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from logilab.common.shellutils import generate_password

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from cubicweb.server.utils import crypt_password

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for user in rql('CWUser U WHERE U cw_source S, S name "system", U upassword P, U login L').entities():

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    salt = user.upassword.getvalue()

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    if crypt_password('', salt) == salt:

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        passwd = generate_password()

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        print 'setting random password for user %s' % user.login

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        user.set_attributes(upassword=passwd)

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commit()