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def create_auth_svn_client_autopass(username, save_credentials=False):
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"""Create a new pysvn client which is set up to automatically authenticate
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with the supplied user. The user's Subversion password is automatically
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looked up in the database.
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(Requires database access -- can't be used inside the jail.)
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@param username: IVLE/Subversion username.
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@param save_credentials: Save the user's credentials. Should be False when
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# Note: Must do this inside the function, since this file may be used in
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# the jail, and importing ivle.database crashes in the jail.
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from ivle.config import Config
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from ivle.database import User
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store = ivle.database.get_store(Config())
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user = store.find(User, User.login==unicode(username)).one()
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return create_auth_svn_client(username, user.svn_pass, save_credentials)
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def create_auth_svn_client(username, password, save_credentials=True):
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"""Create a new pysvn client which is set up to automatically authenticate
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with the supplied credentials.
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@param username: IVLE/Subversion username.
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@param password: Subversion password.
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@param save_credentials: Save the user's credentials. Should be False when
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username = str(username)
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password = str(password)
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def get_login(_realm, existing_login, _may_save):
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"""Callback function used by pysvn for authentication.
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realm, existing_login, _may_save: The 3 arguments passed by pysvn to
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The following has been determined empirically, not from docs:
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existing_login will be the name of the user who owns the process on
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the first attempt, "" on subsequent attempts. We use this fact.
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# Only provide credentials on the _first_ attempt.
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# If we're being asked again, then it means the credentials failed for
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# some reason and we should just fail. (This is not desirable, but it's
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# better than being asked an infinite number of times).
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return (existing_login != "", username, password, save_credentials)
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svnclient = pysvn.Client()
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svnclient.callback_get_login = get_login
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26
def revision_from_string(r_str):