def load_pip_requirements(self, files_map=None, freeze=True):
        if files_map is None:
            files_map = self.default_pip_files
        for group, requirements_txt in files_map.items():
            path = Path(requirements_txt)
            if not path.exists() and group.lower() == "all" and freeze:
                cmd = envoy.run("pip freeze")
                self[group].loads(cmd.std_out)
            elif path.exists():
                self[group].load(path)
def edit_group(group_id):
    group = Group.query.filter_by(id=group_id).first_or_404()

    form = EditGroupForm(group)

    if form.validate_on_submit():
        form.populate_obj(group)
        group.save()

        if group.guest:
            Guest.invalidate_cache()

        flash(_("Group updated."), "success")
        return redirect(url_for("management.groups", group_id=group.id))

    return render_template("management/group_form.html", form=form,
                           title=_("Edit Group"))