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Convert between semver range and maven version range

Project description

unified-range

The library converts input semver ranges to a uniform model, and the other way around, providing objects that are easier to use programmatically.

Examples of supported ranges

  1. npm style semver - <1.2.3 >=2.0.0
  2. ruby style semver - <1.2.3, >=2.0.0
  3. maven style version ranges - [1.2.3,2.1.1), [3.0.0,4.1.1)

Additionally, use this library to run algorithms on any input version ranges and calculate whether a specific version is included in this range.

Prerequisites

  1. Ensure you have installed either pip or pipenv

  2. Install: pipenv install unified-range or pip install unified-range

  3. Import the api module: from unified_range import api

How to use

Following are the different functions you can perform with this library.

To convert a range to the uniform string range, from the semver format:

ver_rng = api.from_semver(semver_str)

Results: uniform range structure

Convert from the uniform range structure to a semver string (return str):

semver = api.to_semver(unified_spec_str)

To convert the versionrange object to a string:

version_range_str = str(ver_rng)

Convert from the uniform string to the uniform model object (VersionRange objects):

ver_rng = api.unified_range(unified_spec_str)

>>> api.unified_range('[1.2.3,4.5.6)')
<unified_range.models.UnifiedVersionRange at 0x7f7e4dc17320>

Within a list of ranges, retrieve versions not included:

filtered_lst = api.filter_versions(ascending_version_list, ranges)

>>> api.filter_versions(['0.1', '0.2', '1.0', '1.1', '2.0'], ['[,0.2]', '[1.1]'])
['1.0', '2.0']

The versions in ascending_version_list should be sorted in ascending order, from oldest to newest, and contain all the versions for the package.

From a list of version ranges, retrieve the closest version in the list to the current version (next):

Filter next version and maximum version from list of version and ranges:

next_version = api.next_filtered_version(current_version, ascending_version_list, ranges) current_version must be included in the ascending_version_list.

>>> api.next_filtered_version(current_version='0.2', ascending_version_list=['0.1', '0.2', '1.0', '1.1', '2.0'], ranges=['[,0.2]', '[1.1]'])
'1.0'

>>> api.next_filtered_version(current_version='1.1', ascending_version_list=['0.1', '0.2', '1.0', '1.1', '2.0'], ranges=['[,0.2]', '[1.1]'])
'2.0'

Retreive the latest version that is not included:

max_version = api.maximum_filtered_version(ascending_version_list, ranges)

>>> api.maximum_filtered_version(ascending_version_list=['0.1', '0.2', '1.0', '1.1', '2.0'], ranges=['[,0.2]', '[1.1]'])
'2.0'

Uniform structure examples

Following are the uniform structures used in this library:

Uniform string structure example: (,1.2.3)

Uniform model examples:

UnifiedVersionRange.constraints -> List[Restrictions]

Restriction.bounds -> Tuple[Bound, Bound]

Bound.version -> str

Bound.inclusive -> boolean

References and prior works

This library was built with the following:

  1. Maven’s VersionRange: model and spec of maven.
  2. https://semver.org/
  3. npm’s semver library

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