Python总结

language › Python
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Jupyter

启动

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jupyter notebook

ModuleNotFoundError: No module named ‘okex’

在导入本地文件夹的文件时报错如上，可以在import这个模块之前添加以下代码，然后再import

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module_path = os.path.abspath(os.path.join('..'))
print("module_path=", module_path)
if module_path not in sys.path:
    sys.path.append(module_path)

AttributeError: module ‘util.file_util’ has no attribute ‘exists’

如果本地的python代码已经修改，如果不重启（刷新）jupyter会报错如上，刷新一下即可。

Pydoc

本地启动

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python3 -m pydoc -p 6789

pip install报错

错误信息如下：

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$ pip3.9 install cytoolz
Looking in indexes: http://mirrors.cloud.aliyuncs.com/pypi/simple/
Collecting cytoolz
  Downloading http://mirrors.cloud.aliyuncs.com/pypi/packages/58/67/1c60da8ba831bfefedb64c78b9f6820bdf58972797c95644ee3191daf27a/cytoolz-0.11.0.tar.gz (477 kB)
     |████████████████████████████████| 477 kB 2.6 MB/s
Requirement already satisfied: toolz>=0.8.0 in /usr/local/lib/python3.9/site-packages (from cytoolz) (0.11.1)
Using legacy 'setup.py install' for cytoolz, since package 'wheel' is not installed.
Installing collected packages: cytoolz
    Running setup.py install for cytoolz ... error
    ERROR: Command errored out with exit status 1:
     command: /usr/bin/python3.9 -u -c 'import io, os, sys, setuptools, tokenize; sys.argv[0] = '"'"'/tmp/pip-install-x0b5qh9y/cytoolz_939a8fed01cc43dc979d68c8072b3af1/setup.py'"'"'; __file__='"'"'/tmp/pip-install-x0b5qh9y/cytoolz_939a8fed01cc43dc979d68c8072b3af1/setup.py'"'"';f = getattr(tokenize, '"'"'open'"'"', open)(__file__) if os.path.exists(__file__) else io.StringIO('"'"'from setuptools import setup; setup()'"'"');code = f.read().replace('"'"'\r\n'"'"', '"'"'\n'"'"');f.close();exec(compile(code, __file__, '"'"'exec'"'"'))' install --record /tmp/pip-record-sp17_zhm/install-record.txt --single-version-externally-managed --compile --install-headers /usr/local/include/python3.9/cytoolz
         cwd: /tmp/pip-install-x0b5qh9y/cytoolz_939a8fed01cc43dc979d68c8072b3af1/
    Complete output (63 lines):
    [1/5] Cythonizing cytoolz/dicttoolz.pyx
    [2/5] Cythonizing cytoolz/functoolz.pyx
    [3/5] Cythonizing cytoolz/itertoolz.pyx
    [4/5] Cythonizing cytoolz/recipes.pyx
    [5/5] Cythonizing cytoolz/utils.pyx
    /usr/local/lib/python3.9/site-packages/setuptools/dist.py:691: UserWarning: Usage of dash-separated 'index-url' will not be supported in future versions. Please use the underscore name 'index_url' instead
      warnings.warn(
    running install
    running build
    running build_py
    creating build
    creating build/lib.linux-x86_64-3.9
    creating build/lib.linux-x86_64-3.9/cytoolz
    copying cytoolz/__init__.py -> build/lib.linux-x86_64-3.9/cytoolz
    copying cytoolz/_signatures.py -> build/lib.linux-x86_64-3.9/cytoolz
    copying cytoolz/_version.py -> build/lib.linux-x86_64-3.9/cytoolz
    copying cytoolz/compatibility.py -> build/lib.linux-x86_64-3.9/cytoolz
    copying cytoolz/utils_test.py -> build/lib.linux-x86_64-3.9/cytoolz
    creating build/lib.linux-x86_64-3.9/cytoolz/curried
    copying cytoolz/curried/__init__.py -> build/lib.linux-x86_64-3.9/cytoolz/curried
    copying cytoolz/curried/exceptions.py -> build/lib.linux-x86_64-3.9/cytoolz/curried
    copying cytoolz/curried/operator.py -> build/lib.linux-x86_64-3.9/cytoolz/curried
    copying cytoolz/dicttoolz.pyx -> build/lib.linux-x86_64-3.9/cytoolz
    copying cytoolz/functoolz.pyx -> build/lib.linux-x86_64-3.9/cytoolz
    copying cytoolz/itertoolz.pyx -> build/lib.linux-x86_64-3.9/cytoolz
    copying cytoolz/recipes.pyx -> build/lib.linux-x86_64-3.9/cytoolz
    copying cytoolz/utils.pyx -> build/lib.linux-x86_64-3.9/cytoolz
    copying cytoolz/__init__.pxd -> build/lib.linux-x86_64-3.9/cytoolz
    copying cytoolz/cpython.pxd -> build/lib.linux-x86_64-3.9/cytoolz
    copying cytoolz/dicttoolz.pxd -> build/lib.linux-x86_64-3.9/cytoolz
    copying cytoolz/functoolz.pxd -> build/lib.linux-x86_64-3.9/cytoolz
    copying cytoolz/itertoolz.pxd -> build/lib.linux-x86_64-3.9/cytoolz
    copying cytoolz/recipes.pxd -> build/lib.linux-x86_64-3.9/cytoolz
    copying cytoolz/utils.pxd -> build/lib.linux-x86_64-3.9/cytoolz
    creating build/lib.linux-x86_64-3.9/cytoolz/tests
    copying cytoolz/tests/dev_skip_test.py -> build/lib.linux-x86_64-3.9/cytoolz/tests
    copying cytoolz/tests/test_compatibility.py -> build/lib.linux-x86_64-3.9/cytoolz/tests
    copying cytoolz/tests/test_curried.py -> build/lib.linux-x86_64-3.9/cytoolz/tests
    copying cytoolz/tests/test_curried_toolzlike.py -> build/lib.linux-x86_64-3.9/cytoolz/tests
    copying cytoolz/tests/test_dev_skip_test.py -> build/lib.linux-x86_64-3.9/cytoolz/tests
    copying cytoolz/tests/test_dicttoolz.py -> build/lib.linux-x86_64-3.9/cytoolz/tests
    copying cytoolz/tests/test_docstrings.py -> build/lib.linux-x86_64-3.9/cytoolz/tests
    copying cytoolz/tests/test_doctests.py -> build/lib.linux-x86_64-3.9/cytoolz/tests
    copying cytoolz/tests/test_embedded_sigs.py -> build/lib.linux-x86_64-3.9/cytoolz/tests
    copying cytoolz/tests/test_functoolz.py -> build/lib.linux-x86_64-3.9/cytoolz/tests
    copying cytoolz/tests/test_inspect_args.py -> build/lib.linux-x86_64-3.9/cytoolz/tests
    copying cytoolz/tests/test_itertoolz.py -> build/lib.linux-x86_64-3.9/cytoolz/tests
    copying cytoolz/tests/test_none_safe.py -> build/lib.linux-x86_64-3.9/cytoolz/tests
    copying cytoolz/tests/test_recipes.py -> build/lib.linux-x86_64-3.9/cytoolz/tests
    copying cytoolz/tests/test_serialization.py -> build/lib.linux-x86_64-3.9/cytoolz/tests
    copying cytoolz/tests/test_signatures.py -> build/lib.linux-x86_64-3.9/cytoolz/tests
    copying cytoolz/tests/test_tlz.py -> build/lib.linux-x86_64-3.9/cytoolz/tests
    copying cytoolz/tests/test_utils.py -> build/lib.linux-x86_64-3.9/cytoolz/tests
    running build_ext
    building 'cytoolz.dicttoolz' extension
    creating build/temp.linux-x86_64-3.9
    creating build/temp.linux-x86_64-3.9/cytoolz
    gcc -pthread -Wno-unused-result -Wsign-compare -DDYNAMIC_ANNOTATIONS_ENABLED=1 -DNDEBUG -O2 -g -pipe -Wall -Werror=format-security -Wp,-D_FORTIFY_SOURCE=2 -Wp,-D_GLIBCXX_ASSERTIONS -fexceptions -fstack-protector-strong -grecord-gcc-switches -m64 -mtune=generic -fasynchronous-unwind-tables -fstack-clash-protection -fcf-protection -D_GNU_SOURCE -fPIC -fwrapv -O2 -g -pipe -Wall -Werror=format-security -Wp,-D_FORTIFY_SOURCE=2 -Wp,-D_GLIBCXX_ASSERTIONS -fexceptions -fstack-protector-strong -grecord-gcc-switches -m64 -mtune=generic -fasynchronous-unwind-tables -fstack-clash-protection -fcf-protection -D_GNU_SOURCE -fPIC -fwrapv -O2 -g -pipe -Wall -Werror=format-security -Wp,-D_FORTIFY_SOURCE=2 -Wp,-D_GLIBCXX_ASSERTIONS -fexceptions -fstack-protector-strong -grecord-gcc-switches -m64 -mtune=generic -fasynchronous-unwind-tables -fstack-clash-protection -fcf-protection -D_GNU_SOURCE -fPIC -fwrapv -fPIC -I/usr/include/python3.9 -c cytoolz/dicttoolz.c -o build/temp.linux-x86_64-3.9/cytoolz/dicttoolz.o
    cytoolz/dicttoolz.c:19:10: fatal error: Python.h: No such file or directory
     #include "Python.h"
              ^~~~~~~~~~
    compilation terminated.
    error: command '/usr/bin/gcc' failed with exit code 1
    ----------------------------------------
ERROR: Command errored out with exit status 1: /usr/bin/python3.9 -u -c 'import io, os, sys, setuptools, tokenize; sys.argv[0] = '"'"'/tmp/pip-install-x0b5qh9y/cytoolz_939a8fed01cc43dc979d68c8072b3af1/setup.py'"'"'; __file__='"'"'/tmp/pip-install-x0b5qh9y/cytoolz_939a8fed01cc43dc979d68c8072b3af1/setup.py'"'"';f = getattr(tokenize, '"'"'open'"'"', open)(__file__) if os.path.exists(__file__) else io.StringIO('"'"'from setuptools import setup; setup()'"'"');code = f.read().replace('"'"'\r\n'"'"', '"'"'\n'"'"');f.close();exec(compile(code, __file__, '"'"'exec'"'"'))' install --record /tmp/pip-record-sp17_zhm/install-record.txt --single-version-externally-managed --compile --install-headers /usr/local/include/python3.9/cytoolz Check the logs for full command output.

解决方法：

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sudo yum install python39-devel