====== Python pipenv ======

Ver también: [[Entornos Virtuales]]

===== Instalar pipenv =====

<code bash>
pip install --user pipenv
</code>

===== Activate/Deactivate Environment =====

<code bash>
pipenv shell   # Activate
exit   # Deactivate
</code>

===== Locate environment =====

<code bash>
pipenv –venv   # locates for a particular project
</code>

===== Delete environment =====

<code bash>
pipenv –rm   # This will not remove the Pipfiles
</code>

===== Install/Uninstall/Update Packages =====

<code bash>
pipenv install flask         # Create virtual environment if necessary
pipenv install flask==0.12.1 # Installs specific version
pipenv install pytest –dev   # Separate dev packages from production
pipenv uninstall flask       # Uninstalls package
pipenv uninstall –all        # Uninstalls all packages
pipenv uninstall –all-dev    # Uninstalls all dev packages
pipenv update package_name   # Update specific package
pipenv update                # Updates all packages
</code>

===== Create/Update the lock file =====

    pipenv lock   # Done usually before pushing the code

===== To install from Pipfile =====

installs from pipfile along with dev pacakges; creates environment if
not present; updates packages if version not mentioned

<code bash>
pipenv install –dev
</code>

doesn’t install dev packages; creates environment if not present;
updates packages if version not mentioned

<code bash>
pipenv install   
</code>

installs from lock file; creates environment if not present; updates
packages if version not mentioned

<code bash>
pipenv install –ignore-pipfile   
</code>

===== Install/Export requirements.txt =====

<code bash>
pipenv install -r requirements.txt   # installs a list of requirements
pipenv lock -r > requirements.txt   # export a list of requirements
</code>

===== Create environment with specific python version =====

<code bash>
pipenv shell –python 3.5   # will use python 3.5 now
</code>

===== Open Third Party Package =====

opens code in default editor; to open in vscode use environment variable
EDITOR=code

<code bash>
pipenv open requests   
</code>

===== Run in Environment without opening Shell =====

<code bash>
pipenv run    # e.g pipenv run python app.py
</code>

===== Check Security Vulnerabilities =====

<code bash>
pipenv check
</code>

===== List Packages and their Dependencies =====

<code bash>
pipenv graph   
</code>

===== to resolve conflicting sub-dependencies use =====

<code bash>
pipenv graph --reverse
</code>