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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def create_hook(self, repo_id, repo_name):
 """Create repository hook."""

        config = dict(
            url=self.webhook_url,
            content_type='json',
            secret=current_app.config['GITHUB_SHARED_SECRET'],
            insecure_ssl='1' if current_app.config['GITHUB_INSECURE_SSL']
                         else '0',
        )

        ghrepo = self.api.repository_with_id(repo_id)
        if ghrepo:
            try:
                hook = ghrepo.create_hook(
                    'web',  # GitHub identifier for webhook service
                    config,
                    events=['release'],
                )
            except github3.GitHubError as e:
                # Check if hook is already installed
                hook_errors = (m for m in e.errors
                               if m['code'] == 'custom' and
                               m['resource'] == 'Hook')
                if next(hook_errors, None):
                    hooks = (h for h in ghrepo.hooks()
                             if h.config.get('url', '') == config['url'])
                    hook = next(hooks, None)
                    if hook:
                        hook.edit(config=config, events=['release'])
            finally:
                if hook:
                    Repository.enable(user_id=self.user_id,
                                      github_id=repo_id,
                                      name=repo_name,
                                      hook=hook.id)
                    return True
        return False