小编Tak*_*oro的帖子

有一个python列表

[('schema1', 'table1', 'column_name1'), ('schema1', 'table1', 'column_name2'), ('schema1', 'table2', 'column_name3'), ('schema2', 'table3', 'column_name4')]

我需要将它转换为具有以下结构的python dict

schema1:
            table1:
                    (column_name1,
                    column_name2)
            table2:
                    (column_name3)
schema2:
            table3:
                    (column_name4)

有没有有效的转换方式？

在运行 docker-compose up 时，我停留在 Dockerfile 上，该文件抛出无法验证签名的错误。

下一个 RUN 行抛出错误

...

RUN apt-key adv --fetch-keys https://apt.postgresql.org/pub/repos/apt/ACCC4CF8.asc \
    && echo "deb http://apt.postgresql.org/pub/repos/apt bionic-pgdg main" >> /etc/apt/sources.list \
    && apt-get update \
    && apt-get -y install libpq-dev=13.* \
    && apt-get -y install python3.8-dev
...

这会引发下一个错误

 > [4/6] RUN apt-key adv --fetch-keys https://apt.postgresql.org/pub/repos/apt/ACCC4CF8.asc     && echo "deb http://apt.postgresql.org/pub/repos/apt bionic-pgdg main" >> /etc/apt/sources.list     && apt-get update     && apt-get -y install libpq-dev=13.*     && apt-get -y install python3.8-dev:
#7 0.343 Warning: apt-key output should not be parsed (stdout …