"-6ren"> "-我正在尝试下载 Kinetics-600 数据集以进行事件识别，为此我按照此存储库中的说明进行操作:https://github.com/activitynet/ActivityNet 但是，在步骤 -6ren">
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python - ruamel_yaml.constructor.ConstructorError : could not determine a constructor for the tag 'tag:yaml.org,2002:python/tuple' in ""

转载 作者：行者123 更新时间：2023-12-04 12:23:00 27 4
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我正在尝试下载 Kinetics-600 数据集以进行事件识别，为此我按照此存储库中的说明进行操作:https://github.com/activitynet/ActivityNet
但是，在步骤 conda env create -f environment.yml我收到此错误:

ruamel_yaml.constructor.ConstructorError: could not determine aconstructor for the tag 'tag:yaml.org,2002:python/tuple' in "", line 2, column 11: channels: !!python/tuple


我应该如何解决这个错误？
错误的完整报告是: 
(base) /mnt/disks/mona/ActivityNet/Crawler/Kinetics$ conda env create -f environment.yml

# >>>>>>>>>>>>>>>>>>>>>> ERROR REPORT <<<<<<<<<<<<<<<<<<<<<<

    Traceback (most recent call last):
      File "/opt/conda/lib/python3.7/site-packages/conda/exceptions.py", line 1079, in __call__
        return func(*args, **kwargs)
      File "/opt/conda/lib/python3.7/site-packages/conda_env/cli/main.py", line 80, in do_call
        exit_code = getattr(module, func_name)(args, parser)
      File "/opt/conda/lib/python3.7/site-packages/conda_env/cli/main_create.py", line 87, in execute
        spec = specs.detect(name=name, filename=filename, directory=os.getcwd())
      File "/opt/conda/lib/python3.7/site-packages/conda_env/specs/__init__.py", line 43, in detect
        if spec.can_handle():
      File "/opt/conda/lib/python3.7/site-packages/conda_env/specs/yaml_file.py", line 18, in can_handle
        self._environment = env.from_file(self.filename)
      File "/opt/conda/lib/python3.7/site-packages/conda_env/env.py", line 160, in from_file
        return from_yaml(yamlstr, filename=filename)
      File "/opt/conda/lib/python3.7/site-packages/conda_env/env.py", line 141, in from_yaml
        data = yaml_safe_load(yamlstr)
      File "/opt/conda/lib/python3.7/site-packages/conda/common/serialize.py", line 67, in yaml_safe_load
        return yaml.safe_load(string, version="1.2")
      File "/opt/conda/lib/python3.7/site-packages/ruamel_yaml/main.py", line 980, in safe_load
        return load(stream, SafeLoader, version)
      File "/opt/conda/lib/python3.7/site-packages/ruamel_yaml/main.py", line 935, in load
        return loader._constructor.get_single_data()
      File "/opt/conda/lib/python3.7/site-packages/ruamel_yaml/constructor.py", line 108, in get_single_data
        return self.construct_document(node)
      File "/opt/conda/lib/python3.7/site-packages/ruamel_yaml/constructor.py", line 118, in construct_document
        for _dummy in generator:
      File "/opt/conda/lib/python3.7/site-packages/ruamel_yaml/constructor.py", line 691, in construct_yaml_map
        value = self.construct_mapping(node)
      File "/opt/conda/lib/python3.7/site-packages/ruamel_yaml/constructor.py", line 418, in construct_mapping
        return BaseConstructor.construct_mapping(self, node, deep=deep)
      File "/opt/conda/lib/python3.7/site-packages/ruamel_yaml/constructor.py", line 242, in construct_mapping
        value = self.construct_object(value_node, deep=deep)
      File "/opt/conda/lib/python3.7/site-packages/ruamel_yaml/constructor.py", line 164, in construct_object
        data = constructor(self, node)
      File "/opt/conda/lib/python3.7/site-packages/ruamel_yaml/constructor.py", line 711, in construct_undefined
        node.start_mark,
    ruamel_yaml.constructor.ConstructorError: could not determine a constructor for the tag 'tag:yaml.org,2002:python/tuple'
      in "<unicode string>", line 2, column 11:
        channels: !!python/tuple
                  ^ (line: 2)

`$ /opt/conda/bin/conda-env create -f environment.yml`

  environment variables:
            BINARIES_PATH=/opt/deeplearning/binaries
                 CIO_TEST=<not set>
  CONDA_AUTO_UPDATE_CONDA=false
        CONDA_DEFAULT_ENV=base
                CONDA_EXE=/opt/conda/bin/conda
CONDA_MKL_INTERFACE_LAYER_BACKUP=
             CONDA_PREFIX=/opt/conda
    CONDA_PROMPT_MODIFIER=(base)
         CONDA_PYTHON_EXE=/opt/conda/bin/python
               CONDA_ROOT=/opt/conda
              CONDA_SHLVL=1
           CURL_CA_BUNDLE=<not set>
              DL_BIN_PATH=/opt/deeplearning/bin
         DL_METADATA_PATH=/opt/deeplearning/metadata
                  DL_PATH=/opt/deeplearning
        ENV_URI_FILE_PATH=/opt/deeplearning/metadata/env_uri
    ENV_VERSION_FILE_PATH=/opt/deeplearning/metadata/env_version
      FRAMEWORK_FILE_PATH=/opt/deeplearning/metadata/framework
                 INFOPATH=/home/linuxbrew/.linuxbrew/share/info:
        JUPYTER_DEPS_PATH=/opt/deeplearning/jupyter
          LD_LIBRARY_PATH=/usr/local/cuda/lib64:/usr/local/nccl2/lib:/usr/local/cuda/extras/CUPT
                          I/lib64
                  MANPATH=/home/linuxbrew/.linuxbrew/share/man:
                     PATH=/opt/conda/bin:/home/linuxbrew/.linuxbrew/bin:/home/linuxbrew/.linuxbr
                          ew/sbin:/usr/local/cuda/bin:/opt/conda/bin:/opt/conda/condabin:/usr/lo
                          cal/bin:/usr/bin:/bin:/usr/local/games:/usr/games
               PYTHONPATH=/mnt/disks/mona/SlowFast/slowfast:
       REQUESTS_CA_BUNDLE=<not set>
RESTRICTION_TYPE_FILE_PATH=/opt/deeplearning/restriction
                 SRC_PATH=/opt/deeplearning/src
            SSL_CERT_FILE=<not set>
          TITLE_FILE_PATH=/opt/deeplearning/metadata/title
           TUTORIALS_PATH=/opt/deeplearning/workspace/tutorials
        VERSION_FILE_PATH=/opt/deeplearning/metadata/version
           WORKSPACE_PATH=/opt/deeplearning/workspace

     active environment : base
    active env location : /opt/conda
            shell level : 1
       user config file : /home/mona/.condarc
 populated config files : /opt/conda/.condarc
          conda version : 4.9.2
    conda-build version : not installed
         python version : 3.7.8.final.0
       virtual packages : __cuda=11.0=0
                          __glibc=2.28=0
                          __unix=0=0
                          __archspec=1=x86_64
       base environment : /opt/conda  (writable)
           channel URLs : https://conda.anaconda.org/conda-forge/linux-64
                          https://conda.anaconda.org/conda-forge/noarch
                          https://repo.anaconda.com/pkgs/main/linux-64
                          https://repo.anaconda.com/pkgs/main/noarch
                          https://repo.anaconda.com/pkgs/r/linux-64
                          https://repo.anaconda.com/pkgs/r/noarch
          package cache : /opt/conda/pkgs
                          /home/mona/.conda/pkgs
       envs directories : /opt/conda/envs
                          /home/mona/.conda/envs
               platform : linux-64
             user-agent : conda/4.9.2 requests/2.24.0 CPython/3.7.8 Linux/4.19.0-13-cloud-amd64 debian/10 glibc/2.28
                UID:GID : 1016:1017
             netrc file : None
           offline mode : False


An unexpected error has occurred. Conda has prepared the above report.

If submitted, this report will be used by core maintainers to improve
future releases of conda.
Would you like conda to send this report to the core maintainers?

[y/N]: y
Upload successful.

Thank you for helping to improve conda.
Opt-in to always sending reports (and not see this message again)
by running

    $ conda config --set report_errors true


$ conda config --set report_errors true

$ conda env create -f environment.yml

# >>>>>>>>>>>>>>>>>>>>>> ERROR REPORT <<<<<<<<<<<<<<<<<<<<<<

    Traceback (most recent call last):
      File "/opt/conda/lib/python3.7/site-packages/conda/exceptions.py", line 1079, in __call__
        return func(*args, **kwargs)
      File "/opt/conda/lib/python3.7/site-packages/conda_env/cli/main.py", line 80, in do_call
        exit_code = getattr(module, func_name)(args, parser)
      File "/opt/conda/lib/python3.7/site-packages/conda_env/cli/main_create.py", line 87, in execute
        spec = specs.detect(name=name, filename=filename, directory=os.getcwd())
      File "/opt/conda/lib/python3.7/site-packages/conda_env/specs/__init__.py", line 43, in detect
        if spec.can_handle():
      File "/opt/conda/lib/python3.7/site-packages/conda_env/specs/yaml_file.py", line 18, in can_handle
        self._environment = env.from_file(self.filename)
      File "/opt/conda/lib/python3.7/site-packages/conda_env/env.py", line 160, in from_file
        return from_yaml(yamlstr, filename=filename)
      File "/opt/conda/lib/python3.7/site-packages/conda_env/env.py", line 141, in from_yaml
        data = yaml_safe_load(yamlstr)
      File "/opt/conda/lib/python3.7/site-packages/conda/common/serialize.py", line 67, in yaml_safe_load
        return yaml.safe_load(string, version="1.2")
      File "/opt/conda/lib/python3.7/site-packages/ruamel_yaml/main.py", line 980, in safe_load
        return load(stream, SafeLoader, version)
      File "/opt/conda/lib/python3.7/site-packages/ruamel_yaml/main.py", line 935, in load
        return loader._constructor.get_single_data()
      File "/opt/conda/lib/python3.7/site-packages/ruamel_yaml/constructor.py", line 108, in get_single_data
        return self.construct_document(node)
      File "/opt/conda/lib/python3.7/site-packages/ruamel_yaml/constructor.py", line 118, in construct_document
        for _dummy in generator:
      File "/opt/conda/lib/python3.7/site-packages/ruamel_yaml/constructor.py", line 691, in construct_yaml_map
        value = self.construct_mapping(node)
      File "/opt/conda/lib/python3.7/site-packages/ruamel_yaml/constructor.py", line 418, in construct_mapping
        return BaseConstructor.construct_mapping(self, node, deep=deep)
      File "/opt/conda/lib/python3.7/site-packages/ruamel_yaml/constructor.py", line 242, in construct_mapping
        value = self.construct_object(value_node, deep=deep)
      File "/opt/conda/lib/python3.7/site-packages/ruamel_yaml/constructor.py", line 164, in construct_object
        data = constructor(self, node)
      File "/opt/conda/lib/python3.7/site-packages/ruamel_yaml/constructor.py", line 711, in construct_undefined
        node.start_mark,
    ruamel_yaml.constructor.ConstructorError: could not determine a constructor for the tag 'tag:yaml.org,2002:python/tuple'
      in "<unicode string>", line 2, column 11:
        channels: !!python/tuple
                  ^ (line: 2)

`$ /opt/conda/bin/conda-env create -f environment.yml`

  environment variables:
            BINARIES_PATH=/opt/deeplearning/binaries
                 CIO_TEST=<not set>
  CONDA_AUTO_UPDATE_CONDA=false
        CONDA_DEFAULT_ENV=base
                CONDA_EXE=/opt/conda/bin/conda
CONDA_MKL_INTERFACE_LAYER_BACKUP=
             CONDA_PREFIX=/opt/conda
    CONDA_PROMPT_MODIFIER=(base)
         CONDA_PYTHON_EXE=/opt/conda/bin/python
               CONDA_ROOT=/opt/conda
              CONDA_SHLVL=1
           CURL_CA_BUNDLE=<not set>
              DL_BIN_PATH=/opt/deeplearning/bin
         DL_METADATA_PATH=/opt/deeplearning/metadata
                  DL_PATH=/opt/deeplearning
        ENV_URI_FILE_PATH=/opt/deeplearning/metadata/env_uri
    ENV_VERSION_FILE_PATH=/opt/deeplearning/metadata/env_version
      FRAMEWORK_FILE_PATH=/opt/deeplearning/metadata/framework
                 INFOPATH=/home/linuxbrew/.linuxbrew/share/info:
        JUPYTER_DEPS_PATH=/opt/deeplearning/jupyter
          LD_LIBRARY_PATH=/usr/local/cuda/lib64:/usr/local/nccl2/lib:/usr/local/cuda/extras/CUPT
                          I/lib64
                  MANPATH=/home/linuxbrew/.linuxbrew/share/man:
                     PATH=/opt/conda/bin:/home/linuxbrew/.linuxbrew/bin:/home/linuxbrew/.linuxbr
                          ew/sbin:/usr/local/cuda/bin:/opt/conda/bin:/opt/conda/condabin:/usr/lo
                          cal/bin:/usr/bin:/bin:/usr/local/games:/usr/games
               PYTHONPATH=/mnt/disks/mona/SlowFast/slowfast:
       REQUESTS_CA_BUNDLE=<not set>
RESTRICTION_TYPE_FILE_PATH=/opt/deeplearning/restriction
                 SRC_PATH=/opt/deeplearning/src
            SSL_CERT_FILE=<not set>
          TITLE_FILE_PATH=/opt/deeplearning/metadata/title
           TUTORIALS_PATH=/opt/deeplearning/workspace/tutorials
        VERSION_FILE_PATH=/opt/deeplearning/metadata/version
           WORKSPACE_PATH=/opt/deeplearning/workspace

     active environment : base
    active env location : /opt/conda
            shell level : 1
       user config file : /home/mona/.condarc
 populated config files : /opt/conda/.condarc
                          /home/mona/.condarc
          conda version : 4.9.2
    conda-build version : not installed
         python version : 3.7.8.final.0
       virtual packages : __cuda=11.0=0
                          __glibc=2.28=0
                          __unix=0=0
                          __archspec=1=x86_64
       base environment : /opt/conda  (writable)
           channel URLs : https://conda.anaconda.org/conda-forge/linux-64
                          https://conda.anaconda.org/conda-forge/noarch
                          https://repo.anaconda.com/pkgs/main/linux-64
                          https://repo.anaconda.com/pkgs/main/noarch
                          https://repo.anaconda.com/pkgs/r/linux-64
                          https://repo.anaconda.com/pkgs/r/noarch
          package cache : /opt/conda/pkgs
                          /home/mona/.conda/pkgs
       envs directories : /opt/conda/envs
                          /home/mona/.conda/envs
               platform : linux-64
             user-agent : conda/4.9.2 requests/2.24.0 CPython/3.7.8 Linux/4.19.0-13-cloud-amd64 debian/10 glibc/2.28
                UID:GID : 1016:1017
             netrc file : None
           offline mode : False


An unexpected error has occurred. Conda has prepared the above report.

Upload successful.
这是 environment.yml我用来创建 conda 环境的 repo 中的文件: 
name: kinetics
channels: !!python/tuple
- !!python/unicode
  'defaults'
dependencies:
- joblib=0.9.4=py27_0
- menpo::ffmpeg=3.1.3=0
- mkl=2017.0.1=0
- numpy=1.12.1=py27_0
- openssl=1.0.2k=1
- pandas=0.19.2=np112py27_1
- pip=9.0.1=py27_1
- python=2.7.13=0
- python-dateutil=2.6.0=py27_0
- pytz=2017.2=py27_0
- readline=6.2=2
- setuptools=27.2.0=py27_0
- six=1.10.0=py27_0
- sqlite=3.13.0=0
- tk=8.5.18=0
- wheel=0.29.0=py27_0
- zlib=1.2.8=3
- pip:
  - decorator==4.0.11
  - olefile==0.44
  - youtube-dl==2017.6.5
prefix: /home/cabaf/.conda/envs/kinetics

最佳答案

看来environment.yml写在 conda 使用的时候 yaml.load但它has since switched to yaml.safe_load :

1.1.1 (2019-03-22)

Remove yaml load warnings by using yaml.safe_load instead of yaml.load.Fix NoneType object is not iterable error when includes is empty.


您可以尝试删除 !!python/tuple (还有 !!python/unicode ，没有任何作用)来自 environment.yml但是不清楚为什么它首先存在，它可能会给您带来另一个错误。
什么 !!python/tuple它指示 YAML 将以下序列加载为列表而不是元组。这样做的一个原因是当加载的值将用于散列数据结构(dict 或 set)时，因为元组是可散列的，而列表则不是。然而，这通常是在值已经在 YAML 文件中使用 a 映射时完成的，这里不是这种情况。
你得到错误的原因是因为 yaml.safe_load使用安全加载器，它不像旧的“危险”加载器那样调用任意构造函数(因为这是一个安全问题)。因此，您不能使用它加载元组。

关于python - ruamel_yaml.constructor.ConstructorError : could not determine a constructor for the tag 'tag:yaml.org,2002:python/tuple' in "<unicode string>"，我们在Stack Overflow上找到一个类似的问题： https://stackoverflow.com/questions/66609054/

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