def test_set_obs(adata, subset_func):
    init_hash = joblib.hash(adata)

    subset = adata[subset_func(adata.obs_names), :]

    new_obs = pd.DataFrame(
        dict(a=np.ones(subset.n_obs), b=np.ones(subset.n_obs)),
        index=subset.obs_names,
    )

    assert subset.is_view
    subset.obs = new_obs
    assert not subset.is_view
    assert np.all(subset.obs == new_obs)

    assert joblib.hash(adata) == init_hash
def render(self, context):
        try:
            if self.params:
                params = template.Variable(self.params).resolve(context)
            else:
                params = {}

            # try matching an address string literal
            email_literal = self.email.strip().lower()
            if EMAIL_RE.match(email_literal):
                email = email_literal
            # treat as a variable
            else:
                email = template.Variable(self.email).resolve(context)
        except template.VariableDoesNotExist:
            return ''

        # now, we generate the gravatar url
        return _build_gravatar_url(email, params)