Pipenv: Python Dev Workflow for Humans

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Pipenv is a tool that aims to abstract away the complexity of managing Python dependencies and environments. It combines pip and virtualenv, installing and managing packages from Pipfile and Pipfile.lock files to provide deterministic, encrypted builds. Pipenv provides convenience by handling dependencies and environments together, and resilience through managing requirements and transitive dependencies. While it has some drawbacks like speed and stability, Pipenv emphasizes security through package hashing and automatic vulnerability checking.

Software

“Pipenv is the porcelain I always wanted to build for pip.
It fits my brain and mostly replaces virtualenvwrapper
and manual pip calls for me. Use it.
-Jannis Leidel, former pip maintainer

“This package manager is really awesome. For the first
time I know exactly what my dependencies are which I
installed and what the transitive dependencies are.
Combined with the fact that installs are deterministic,
makes this package manager first class, like cargo.
-David Gang

CONVENIENCE
➤ No need to use pip and
virtualenv separately.
➤ They work together.

RESILIENCE
➤ Managing requirements is
hard and burn-inducing.
➤ Pipfile vs Pipfile.lock
➤ abstract dependencies vs KGS
➤ actual vs transitive deps

amqp==2.3.2
anyjson==0.3.3
billiard==3.5.0.3
celery==4.0.0
kombu==4.2.1
python-dateutil==1.5
pytz==2018.4
vine==1.1.4
pip

amqp==2.3.2
anyjson==0.3.3
billiard==3.5.0.3
celery==4.0.0
kombu==4.2.1
python-dateutil==1.5
pytz==2018.4
vine==1.1.4
pip
amqp==2.3.2
billiard==3.5.0.3
celery==4.0
kombu==4.2.1
pytz==2018.4
vine==1.1.4
pipenv

SECURITY
➤ Hashes. Everywhere.
➤ Automatic vuln. discovery.
➤ Always up-to-date.

hupper==1.3
pastedeploy==1.5.2
plaster-pastedeploy==0.5
plaster==1.0
pyramid==1.9.2
repoze.lru==0.7
translationstring==1.3
venusian==1.1.0
webob==1.8.2
zope.deprecation==4.3.0
zope.interface==4.5.0
A couple months back
hupper==1.0
pastedeploy==1.5.2
plaster-pastedeploy==0.4.2
plaster==1.0
pyramid==1.9.1
repoze.lru==0.7
translationstring==1.3
venusian==1.1.0
webob==1.7.3
zope.deprecation==4.2.0
zope.interface==4.4.2
Today

MORE COOKIES
➤ pipenv shell
➤ pipenv graph
➤ --three or --two
➤ --unused
➤ --rm
➤ --system
➤ --deploy
➤ --keep-outdated

PIPENV DRAWBACKS
➤ Only dev and production
mode
➤ No offline mode
➤ Not very fast
➤ Not very stable

PIPENV: RECAP
➤ Truly deterministic builds
➤ Verifies hashes
➤ Checks for security issues
➤ Keeps you up-to-date
➤ requests-level of
convenience

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Pipenv: Python Dev Workflow for Humans

1. PIPENV Python Dev Workflow for Humans

2. QUESTIONS? Shoot!

3. A QUICK TASTE OF PIPENV

5. “Pipenv is the porcelain I always wanted to build for pip. It fits my brain and mostly replaces virtualenvwrapper and manual pip calls for me. Use it. -Jannis Leidel, former pip maintainer

6. “This package manager is really awesome. For the first time I know exactly what my dependencies are which I installed and what the transitive dependencies are. Combined with the fact that installs are deterministic, makes this package manager first class, like cargo. -David Gang

8. BUT WHY? pip is just fine …

9. CONVENIENCE ➤ No need to use pip and virtualenv separately. ➤ They work together.

10. RESILIENCE ➤ Managing requirements is hard and burn-inducing. ➤ Pipfile vs Pipfile.lock ➤ abstract dependencies vs KGS ➤ actual vs transitive deps

11.

12. amqp==2.3.2 anyjson==0.3.3 billiard==3.5.0.3 celery==4.0.0 kombu==4.2.1 python-dateutil==1.5 pytz==2018.4 vine==1.1.4 pip

13.

14. amqp==2.3.2 anyjson==0.3.3 billiard==3.5.0.3 celery==4.0.0 kombu==4.2.1 python-dateutil==1.5 pytz==2018.4 vine==1.1.4 pip amqp==2.3.2 billiard==3.5.0.3 celery==4.0 kombu==4.2.1 pytz==2018.4 vine==1.1.4 pipenv

15. amqp==2.3.2 anyjson==0.3.3 billiard==3.5.0.3 celery==4.0.0 kombu==4.2.1 python-dateutil==1.5 pytz==2018.4 vine==1.1.4 pip amqp==2.3.2 billiard==3.5.0.3 celery==4.0 kombu==4.2.1 pytz==2018.4 vine==1.1.4 pipenv

16. SECURITY ➤ Hashes. Everywhere. ➤ Automatic vuln. discovery. ➤ Always up-to-date.

17.

18. SECURITY ➤ Hashes. Everywhere. ➤ Automatic vuln. discovery. ➤ Always up-to-date.

19.

20. SECURITY ➤ Hashes. Everywhere. ➤ Automatic vuln. discovery. ➤ Always up-to-date.

21.

22. hupper==1.3 pastedeploy==1.5.2 plaster-pastedeploy==0.5 plaster==1.0 pyramid==1.9.2 repoze.lru==0.7 translationstring==1.3 venusian==1.1.0 webob==1.8.2 zope.deprecation==4.3.0 zope.interface==4.5.0 A couple months back hupper==1.0 pastedeploy==1.5.2 plaster-pastedeploy==0.4.2 plaster==1.0 pyramid==1.9.1 repoze.lru==0.7 translationstring==1.3 venusian==1.1.0 webob==1.7.3 zope.deprecation==4.2.0 zope.interface==4.4.2 Today

23. MORE COOKIES ➤ pipenv shell ➤ pipenv graph ➤ --three or --two ➤ --unused ➤ --rm ➤ --system ➤ --deploy ➤ --keep-outdated 

24.

25. MORE COOKIES ➤ pipenv shell ➤ pipenv graph ➤ --three or --two ➤ --unused ➤ --rm ➤ --system ➤ --deploy ➤ --keep-outdated 

26. PIPENV DRAWBACKS ➤ Only dev and production mode ➤ No offline mode ➤ Not very fast ➤ Not very stable

27. PIPENV DRAWBACKS ➤ Only dev and production mode ➤ No offline mode ➤ Not very fast ➤ Not very stable

28. PIPENV DRAWBACKS ➤ Only dev and production mode ➤ No offline mode ➤ Not very fast ➤ Not very stable

29. PIPENV: RECAP ➤ Truly deterministic builds ➤ Verifies hashes ➤ Checks for security issues ➤ Keeps you up-to-date ➤ requests-level of convenience

30. @nzupan NITEO.CO/CAREERS

Pipenv: Python Dev Workflow for Humans

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