pip freeze > requirements.txt

pip install pipreqs

pipreqs "目錄"   #在目錄下生成requirements.txt

pipreqs               
zsh: command not found: pipreqs

pipreqs ./
Traceback (most recent call last):
  File "/usr/bin/pipreqs", line 7, in <module>
    from pipreqs.pipreqs import main
  File "/usr/lib/python2.7/site-packages/pipreqs/pipreqs.py", line 51, in <module>
    from pipreqs import __version__
ImportError: cannot import name __version__

# 查看可安裝版本
pip install pipreqs==100
You are using pip version 7.1.0, however version 22.2 is available.
You should consider upgrading via the 'pip install --upgrade pip' command.
Collecting pipreqs==100
  Could not find a version that satisfies the requirement pipreqs==100 (from versions: 0.1.3, 0.1.4, 0.1.5, 0.1.6, 0.1.7, 0.1.8, 0.1.9, 0.2.0, 0.2.1, 0.2.2, 0.2.3, 0.2.4, 0.2.5, 0.2.7, 0.2.8, 0.2.9, 0.3.0, 0.3.1, 0.3.2, 0.3.3, 0.3.4, 0.3.5, 0.3.6, 0.3.7, 0.3.8, 0.3.9, 0.4.0, 0.4.1, 0.4.2, 0.4.3, 0.4.4, 0.4.5, 0.4.6, 0.4.7, 0.4.8, 0.4.9, 0.4.10, 0.4.11)
No matching distribution found for pipreqs==100
# 選擇某一版本安裝
pip install pipreqs==0.4.0
# 查看能否使用
pipreqs --help
pipreqs - Generate pip requirements.txt file based on imports
Usage:
    pipreqs [options] <path>
Options:
    --use-local           Use ONLY local package info instead of querying PyPI
    --pypi-server         Use custom PyPi server
    --proxy               Use Proxy, parameter will be passed to requests library. You can also just set the
                          environments parameter in your terminal:
                          $ export HTTP_PROXY="http://10.10.1.10:3128"
                          $ export HTTPS_PROXY="https://10.10.1.10:1080"
    --debug               Print debug information
    --encoding <charset>  Use encoding parameter for file open
    --savepath <file>     Save the list of requirements in the given file
    --force               Overwrite existing requirements.txt

pipreqs "目錄" --encoding=utf8

pip install -r requirements.txt