python 包导出（只导出目录，不导出内容）

导出

在项目中执行

pip freeze > requirements.txt

absl-py==0.8.1
amqp==2.5.1
apturl==0.5.2
asn1crypto==0.24.0
astor==0.8.0
attrs==19.3.0
Automat==0.8.0
beautifulsoup4==4.9.1
billiard==3.6.1.0
bleach==3.1.0
boto==2.49.0
boto3==1.10.9
botocore==1.13.9
Brlapi==0.6.6
bs4==0.0.1
celery==4.3.0
certifi==2018.1.18
cffi==1.14.2
chardet==3.0.4
Click==7.0
command-not-found==0.3
constantly==15.1.0
cryptography==3.1
cssselect==1.1.0
cupshelpers==1.0
cycler==0.10.0
decorator==4.1.2
defer==1.0.6
defusedxml==0.6.0
distro-info===0.18ubuntu0.18.04.1
Django==2.2.13
django-cors-headers==3.0.2
django-redis==4.10.0
docutils==0.15.2
entrypoints==0.3
fake-useragent==0.1.11
Flask==1.1.1
Flask-Script==2.0.6
Flask-SQLAlchemy==2.4.1
funcsigs==1.0.2
gast==0.3.2
gensim==3.8.1
gevent==1.4.0
google-pasta==0.1.8
graphviz==0.13
greenlet==0.4.15
grpcio==1.24.3
h5py==2.10.0
hmmlearn==0.2.1
httplib2==0.9.2
hyperlink==19.0.0
idna==2.6
importlib-metadata==0.23
incremental==17.5.0
ipykernel==5.1.3
ipython==5.5.0
ipython-genutils==0.2.0
ipywidgets==7.5.1
itsdangerous==1.1.0
jieba==0.39
Jinja2==2.10.3
jmespath==0.9.4
joblib==0.14.0
jsonschema==3.1.1
jupyter==1.0.0
jupyter-client==5.3.4
jupyter-console==6.0.0
jupyter-core==4.6.1
Keras-Applications==1.0.8
Keras-Preprocessing==1.1.0
keyring==10.6.0
keyrings.alt==3.0
kiwisolver==1.1.0
kombu==4.6.5
language-selector==0.1
launchpadlib==1.10.6
lazr.restfulclient==0.13.5
lazr.uri==1.0.3
louis==3.5.0
lxml==4.4.1
macaroonbakery==1.1.3
Mako==1.0.7
Markdown==3.1.1
MarkupSafe==1.0
matplotlib==2.2.4
mistune==0.8.4
more-itertools==7.2.0
mysqlclient==2.0.1
nbconvert==5.6.1
nbformat==4.4.0
netifaces==0.10.4
nltk==3.4
notebook==6.0.2
numpy==1.17.3
oauth==1.0.1
olefile==0.45.1
opencv-contrib-python==3.4.2.16
opencv-python==3.4.2.16
paddlepaddle==1.5.2
pandas==0.25.3
pandocfilters==1.4.2
parsel==1.5.2
pbr==5.4.3
pexpect==4.2.1
pickleshare==0.7.4
pika==1.1.0
Pillow==5.1.0
prettytable==0.7.2
prometheus-client==0.7.1
prompt-toolkit==1.0.15
Protego==0.1.15
protobuf==3.10.0
ptyprocess==0.6.0
pyasn1==0.4.7
pyasn1-modules==0.2.7
pycairo==1.16.2
pycparser==2.20
pycrypto==2.6.1
pycryptodomex==3.9.4
pycups==1.9.73
PyDispatcher==2.0.5
PyExecJS==1.5.1
Pygments==2.2.0
pygobject==3.26.1
PyHamcrest==1.9.0
PyJWT==1.7.1
pymacaroons==0.13.0
pymongo==3.9.0
PyMySQL==0.9.3
PyNaCl==1.1.2
pyOpenSSL==19.1.0
pyparsing==2.4.3
pyRFC3339==1.0
pyrsistent==0.15.5
pytesseract==0.3.0
python-alipay-sdk==2.1.0
python-apt==1.6.5+ubuntu0.2
python-dateutil==2.8.0
python-debian==0.1.32
python-speech-features==0.6
pytz==2018.3
pyxdg==0.25
PyYAML==3.12
pyzmq==18.1.0
qtconsole==4.5.5
queuelib==1.5.0
rarfile==3.1
recordio==0.1.7
redis==3.3.11
reportlab==3.4.0
requests==2.22.0
requests-unixsocket==0.1.5
s3transfer==0.2.1
scikit-learn==0.21.3
scipy==1.2.1
Scrapy==1.8.0
scrapy-redis==0.6.8
SecretStorage==2.3.1
selenium==3.141.0
Send2Trash==1.5.0
service-identity==18.1.0
simplegeneric==0.8.1
simplejson==3.13.2
singledispatch==3.4.0.3
six==1.11.0
sklearn==0.0
smart-open==1.9.0
soupsieve==2.0.1
SQLAlchemy==1.3.10
sqlparse==0.3.1
ssh-import-id==5.7
stevedore==1.31.0
system-service==0.3
systemd-python==234
tensorboard==1.14.0
tensorflow==1.14.0
tensorflow-estimator==1.14.0
termcolor==1.1.0
terminado==0.8.2
testpath==0.4.4
tornado==6.0.3
traitlets==4.3.2
Twisted==19.7.0
ubuntu-drivers-common==0.0.0
ufw==0.36
unattended-upgrades==0.1
urllib3==1.22
usb-creator==0.3.3
vine==1.3.0
virtualenv==16.7.7
virtualenv-clone==0.5.3
virtualenvwrapper==4.8.4
w3lib==1.21.0
wadllib==1.3.2
wcwidth==0.1.7
webencodings==0.5.1
Werkzeug==0.16.0
widgetsnbextension==3.5.1
wrapt==1.11.2
xdot==0.9
xkit==0.0.0
zipp==0.6.0
zope.interface==4.3.2

对其进行修改（剔除不需要的因为它导出了部分系统包）结果：

absl-py==0.8.1
amqp==2.5.1
asn1crypto==0.24.0
astor==0.8.0
attrs==19.3.0
Automat==0.8.0
beautifulsoup4==4.9.1
billiard==3.6.1.0
bleach==3.1.0
boto==2.49.0
boto3==1.10.9
botocore==1.13.9
bs4==0.0.1
celery==4.3.0
certifi==2018.1.18
cffi==1.14.2
chardet==3.0.4
Click==7.0
command-not-found==0.3
constantly==15.1.0
cryptography==3.1
cssselect==1.1.0
cycler==0.10.0
decorator==4.1.2
defusedxml==0.6.0
distro-info===0.18ubuntu0.18.04.1
Django==2.2.13
django-cors-headers==3.0.2
django-redis==4.10.0
docutils==0.15.2
entrypoints==0.3
fake-useragent==0.1.11
Flask==1.1.1
Flask-Script==2.0.6
Flask-SQLAlchemy==2.4.1
funcsigs==1.0.2
gast==0.3.2
gensim==3.8.1
gevent==1.4.0
google-pasta==0.1.8
graphviz==0.13
greenlet==0.4.15
grpcio==1.24.3
h5py==2.10.0
hmmlearn==0.2.1
httplib2==0.9.2
hyperlink==19.0.0
idna==2.6
importlib-metadata==0.23
incremental==17.5.0
ipykernel==5.1.3
ipython==5.5.0
ipython-genutils==0.2.0
ipywidgets==7.5.1
itsdangerous==1.1.0
jieba==0.39
Jinja2==2.10.3
jmespath==0.9.4
joblib==0.14.0
jsonschema==3.1.1
jupyter==1.0.0
jupyter-client==5.3.4
jupyter-console==6.0.0
jupyter-core==4.6.1
Keras-Applications==1.0.8
Keras-Preprocessing==1.1.0
keyring==10.6.0
keyrings.alt==3.0
kiwisolver==1.1.0
kombu==4.6.5
language-selector==0.1
launchpadlib==1.10.6
lazr.restfulclient==0.13.5
lazr.uri==1.0.3
lxml==4.4.1
macaroonbakery==1.1.3
Mako==1.0.7
Markdown==3.1.1
matplotlib==2.2.4
mistune==0.8.4
more-itertools==7.2.0
nbconvert==5.6.1
nbformat==4.4.0
netifaces==0.10.4
nltk==3.4
notebook==6.0.2
numpy==1.17.3
oauth==1.0.1
olefile==0.45.1
opencv-contrib-python==3.4.2.16
opencv-python==3.4.2.16
paddlepaddle==1.5.2
pandas==0.25.3
pandocfilters==1.4.2
parsel==1.5.2
pbr==5.4.3
pexpect==4.2.1
pickleshare==0.7.4
pika==1.1.0
Pillow==5.1.0
prettytable==0.7.2
prometheus-client==0.7.1
prompt-toolkit==1.0.15
Protego==0.1.15
protobuf==3.10.0
ptyprocess==0.6.0
pyasn1==0.4.7
pyasn1-modules==0.2.7
pycairo==1.16.2
pycparser==2.20
pycrypto==2.6.1
pycryptodomex==3.9.4
pycups==1.9.73
PyDispatcher==2.0.5
PyExecJS==1.5.1
Pygments==2.2.0
pygobject==3.26.1
PyHamcrest==1.9.0
PyJWT==1.7.1
pymacaroons==0.13.0
pymongo==3.9.0
PyMySQL==0.9.3
PyNaCl==1.1.2
pyOpenSSL==19.1.0
pyparsing==2.4.3
pyRFC3339==1.0
pyrsistent==0.15.5
pytesseract==0.3.0
python-alipay-sdk==2.1.0
python-apt==1.6.5+ubuntu0.2
python-dateutil==2.8.0
python-debian==0.1.32
python-speech-features==0.6
pytz==2018.3
pyxdg==0.25
PyYAML==3.12
pyzmq==18.1.0
qtconsole==4.5.5
queuelib==1.5.0
rarfile==3.1
recordio==0.1.7
redis==3.3.11
reportlab==3.4.0
requests==2.22.0
s3transfer==0.2.1
scikit-learn==0.21.3
scipy==1.2.1
Scrapy==1.8.0
scrapy-redis==0.6.8
SecretStorage==2.3.1
selenium==3.141.0
Send2Trash==1.5.0
service-identity==18.1.0
simplegeneric==0.8.1
simplejson==3.13.2
singledispatch==3.4.0.3
six==1.11.0
sklearn==0.0
smart-open==1.9.0
soupsieve==2.0.1
SQLAlchemy==1.3.10
sqlparse==0.3.1
ssh-import-id==5.7
stevedore==1.31.0
tensorboard==1.14.0
tensorflow==1.14.0
tensorflow-estimator==1.14.0
termcolor==1.1.0
terminado==0.8.2
testpath==0.4.4
tornado==6.0.3
traitlets==4.3.2
Twisted==19.7.0
ufw==0.36
urllib3==1.22
vine==1.3.0
virtualenv==16.7.7
virtualenv-clone==0.5.3
w3lib==1.21.0
wadllib==1.3.2
wcwidth==0.1.7
webencodings==0.5.1
Werkzeug==0.16.0
widgetsnbextension==3.5.1
wrapt==1.11.2
xdot==0.9
zipp==0.6.0

导入：

在国内源下载：

pip3 install -r requirements.txt -i https://mirrors.aliyun.com/pypi/simple/