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pur
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Tests Coverage Version Supported Python Versions

pip-update-requirements

Update the packages in a requirements.txt file.

Purring Cat

Installation

pip install pur

Usage

Give pur your requirements.txt file and it updates all your packages to the latest versions.

For example, given a requirements.txt file:

flask==0.9
sqlalchemy==0.9.10
alembic==0.8.4

Running pur on that file updates the packages to current latest versions:

$ pur -r requirements.txt
Updated flask: 0.9 -> 1.0.2
Updated sqlalchemy: 0.9.10 -> 1.2.8
Updated alembic: 0.8.4 -> 0.9.9
All requirements up-to-date.

Pur never modifies your environment or installed packages, it only modifies your requirements.txt file.

You can also use Pur directly from Python:

$ python
Python 3.6.1
>>> from pur import update_requirements
>>> print([x[0]['message'] for x in update_requirements(input_file='requirements.txt').values()])
['Updated flask: 0.9 -> 1.0.2', 'Updated sqlalchemy: 0.9.10 -> 1.2.8', 'Updated alembic: 0.8.4 -> 0.9.9']
>>> print(open('requirements.txt').read())
flask==1.0.2
sqlalchemy==1.2.8
alembic==0.9.9

Options

-r, --requirement PATH
 The requirements.txt file to update; Defaults to using requirements.txt from the current directory if it exist.
-o, --output PATH
 Output updated packages to this file; Defaults to overwriting the input requirements.txt file.
--interactive Interactively prompts before updating each package.
-f, --force Force updating packages even when a package has no version specified in the input requirements.txt file.
-d, --dry-run Output changes to STDOUT instead of overwriting the requirements.txt file.
-n, --no-recursive
 Prevents updating nested requirements files.
--skip TEXT Comma separated list of packages to skip updating.
--index-url TEXT
 Base URL of the Python Package Index. Can be provided multiple times for extra index urls.
--cert PATH Path to PEM-encoded CA certificate bundle. If provided, overrides the default.
--no-ssl-verify
 Disable TLS cert verification.
--only TEXT Comma separated list of packages. Only these packages will be updated.
--minor TEXT Comma separated list of packages to only update minor versions, never major. Use "*" to limit every package to minor version updates.
--patch TEXT Comma separated list of packages to only update patch versions, never major or minor. Use "*" to limit every package to patch version updates.
--pre TEXT Comma separated list of packages to allow updating to pre-release versions. Use "*" to allow all packages to be updated to pre-release versions. By default packages are only updated to stable versions.
-z, --nonzero-exit-code
 Exit with status 1 when some packages were updated, 0 when no packages updated, or a number greater than 1 when there was an error. By default, exit status 0 is used unless there was an error irregardless of whether packages were or not updated.
--version Show the version and exit.
--help Show this message and exit.

Contributing

Before contributing a pull request, make sure tests pass:

virtualenv venv
. venv/bin/activate
pip install tox
tox

Many thanks to all contributors!