导入错误：无法从'bson.py3compat'导入名称'abc'

Question

我正在尝试在Docker中安装与pymongo和bson相关的依赖项。但得到以下错误ImportError: cannot import name 'abc' from 'bson.py3compat' (/usr/local/lib/python3.7/site-packages/bson/py3compat.py)。我确实添加了一个从requirements.txt收集的特定版本，但它没有帮助。这是Docker文件(我正在安装和重新安装bson和pymongo，正如一些SO回答中所建议的那样(：

FROM python:3.7
ENV URI=mongodb://127.0.0.1:27017/expresspart
EXPOSE 5000
RUN pip install bson 
Inject==4.3.1 
fastapi==0.62.0 
motor==2.3.0 
pydantic==1.7.3 
pymongo 
starlette==0.13.6 
uvicorn==0.13.1
RUN pip uninstall -y bson pymongo
RUN pip install bson==0.5.10 pymongo==3.11.2
COPY ./catalogue-api /app
CMD ["python", "/app/run_app.py", "--port", "5000"]

完整的码头集装箱日志：

INFO:     Uvicorn running on http://0.0.0.0:5000 (Press CTRL+C to quit)
INFO:     Started reloader process [1] using statreload
ok, port  5000
Process SpawnProcess-1:
Traceback (most recent call last):
File "/usr/local/lib/python3.7/multiprocessing/process.py", line 297, in _bootstrap
self.run()
File "/usr/local/lib/python3.7/multiprocessing/process.py", line 99, in run
self._target(*self._args, **self._kwargs)
File "/usr/local/lib/python3.7/site-packages/uvicorn/subprocess.py", line 61, in subprocess_started
target(sockets=sockets)
File "/usr/local/lib/python3.7/site-packages/uvicorn/server.py", line 48, in run
loop.run_until_complete(self.serve(sockets=sockets))
File "/usr/local/lib/python3.7/asyncio/base_events.py", line 587, in run_until_complete
return future.result()
File "/usr/local/lib/python3.7/site-packages/uvicorn/server.py", line 55, in serve
config.load()
File "/usr/local/lib/python3.7/site-packages/uvicorn/config.py", line 308, in load
self.loaded_app = import_from_string(self.app)
File "/usr/local/lib/python3.7/site-packages/uvicorn/importer.py", line 23, in import_from_string
raise exc from None
File "/usr/local/lib/python3.7/site-packages/uvicorn/importer.py", line 20, in import_from_string
module = importlib.import_module(module_str)
File "/usr/local/lib/python3.7/importlib/__init__.py", line 127, in import_module
return _bootstrap._gcd_import(name[level:], package, level)
File "<frozen importlib._bootstrap>", line 1006, in _gcd_import
File "<frozen importlib._bootstrap>", line 983, in _find_and_load
File "<frozen importlib._bootstrap>", line 967, in _find_and_load_unlocked
File "<frozen importlib._bootstrap>", line 677, in _load_unlocked
File "<frozen importlib._bootstrap_external>", line 728, in exec_module
File "<frozen importlib._bootstrap>", line 219, in _call_with_frames_removed
File "/app/api_v1/main.py", line 4, in <module>
from api_v1.injections import base
File "/app/api_v1/injections.py", line 2, in <module>
from db.motor.file import IFileDAO, FileDAO
File "/app/db/motor/file.py", line 2, in <module>
from gridfs import NoFile
File "/usr/local/lib/python3.7/site-packages/gridfs/__init__.py", line 23, in <module>
from bson.py3compat import abc
ImportError: cannot import name 'abc' from 'bson.py3compat' (/usr/local/lib/python3.7/site-packages/bson/py3compat.py)

Answer 1

pymongo安装bson库，因此不需要安装bson模块。如果你按照下面的方式修改你的案卷，这应该是有效的：

FROM python:3.7
ENV URI=mongodb://127.0.0.1:27017/expresspart
EXPOSE 5000
RUN pip install Inject==4.3.1 
fastapi==0.62.0 
motor==2.3.0 
pydantic==1.7.3 
pymongo==3.11.2 
starlette==0.13.6 
uvicorn==0.13.1
COPY ./catalogue-api /app
CMD ["python", "/app/run_app.py", "--port", "5000"]