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我在原料的配方文件中使用了 jinja2 变量，但conda build在与.hostrequirements>=

run这个问题在配方部分不会发生。此外，在该host部分中，如果

  • 我不>=与变量一起使用
  • 我将硬编码值与>=

这是失败的康达配方 -

$ 猫食谱/meta.yaml

package:
  name: dummy-conda
  version: 1.1.1

source:
  path: .

requirements:
  host:
    - python >={{python}}
  run:
    - python >={{python}}

我在另一个文件中添加了变量-

$ cat conda_local_config.yaml

python:
  - 3.6

并使用此命令构建

$ conda build -m conda_local_config.yaml recipe/

失败了

...
Received dictionary as spec.  Note that pip requirements are not supported in conda-build meta.yaml.

这是完整的失败日志 -

$ conda build -m conda_local_config.yaml recipe/
No numpy version specified in conda_build_config.yaml.  Falling back to default numpy value of 1.11
WARNING:conda_build.metadata:No numpy version specified in conda_build_config.yaml.  Falling back to default numpy value of 1.11
Adding in variants from internal_defaults
INFO:conda_build.variants:Adding in variants from internal_defaults
Adding in variants from conda_local_config.yaml
INFO:conda_build.variants:Adding in variants from conda_local_config.yaml
Received dictionary as spec.  Note that pip requirements are not supported

如果我将配方文件修改为此

..
  host:
    - python {{python}}
..

或者

..
  host:
    - python >=3.6
..

构建工作正常！

编辑 - 我打开了一个针对 conda-build 的 github 问题以获得对此行为的官方答案 - https://github.com/conda/conda-build/issues/3544

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