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Utilities for consuming the version from pkg_resources.
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edd� �Zedd� �Zd d � Zd d � Zd d!� Zd1d#d$�Zd2d&d'�Zd(d)� Zd*d+� Zd,d-� Zd.d/� ZdS )3�SemanticVersionzvA pure semantic version independent of serialisation.
See the pbr doc 'semver' for details on the semantics.
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Create a SemanticVersion.
:param major: Major component of the version.
:param minor: Minor component of the version. Defaults to 0.
:param patch: Patch level component. Defaults to 0.
:param prerelease_type: What sort of prerelease version this is -
one of a(alpha), b(beta) or rc(release candidate).
:param prerelease: For prerelease versions, what number prerelease.
Defaults to 0.
:param dev_count: How many commits since the last release.
r N)�_major�_minor�_patch�_prerelease_type� _prerelease�
_dev_count)�self�major�minor�patch�prerelease_type�
prerelease� dev_countr r r �__init__( s zSemanticVersion.__init__c C s t |t�sdS | j|jkS )NF)�
isinstancer �__dict__�r �otherr r r �__eq__? s
zSemanticVersion.__eq__c C s t tt| j�� ��S �N)�sum�map�hashr �values�r r r r �__hash__D s zSemanticVersion.__hash__c C sL ddddd�}| j r | js d}nd}| j| j| j||| j | j| j pHtjfS )z.Return a key for sorting SemanticVersion's on.�a�b�rc�z)r# r$ r% Nr � )r r r r
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�zSemanticVersion._sort_keyc C s" t |t�std��| �� |�� k S )z1Compare self and other, another Semantic Version.z,ordering to non-SemanticVersion is undefined)r r � TypeErrorr* r r r r �__lt__^ s
zSemanticVersion.__lt__c C s | |kp| |k S r r r r r r �__le__h s zSemanticVersion.__le__c C s
| |k S r r r r r r �__ge__k s zSemanticVersion.__ge__c C s
| |k S r r r r r r �__gt__n s zSemanticVersion.__gt__c C s
| |k S r r r r r r �__ne__q s zSemanticVersion.__ne__c C s d| � � S )Nz pbr.version.SemanticVersion(%s))�release_stringr! r r r �__repr__t s zSemanticVersion.__repr__c C s2 z | � |�W S tk
r, td| ��Y nX dS )a� Create a SemanticVersion from a pip version string.
This method will parse a version like 1.3.0 into a SemanticVersion.
This method is responsible for accepting any version string that any
older version of pbr ever created.
Therefore: versions like 1.3.0a1 versions are handled, parsed into a
canonical form and then output - resulting in 1.3.0.0a1.
Pre pbr-semver dev versions like 0.10.1.3.g83bef74 will be parsed but
output as 0.10.1.dev3.g83bef74.
:raises ValueError: Never tagged versions sdisted by old pbr result in
just the git hash, e.g. '1234567' which poses a substantial problem
since they collide with the semver versions when all the digits are
numerals. Such versions will result in a ValueError being thrown if
any non-numeric digits are present. They are an exception to the
general case of accepting anything we ever output, since they were
never intended and would permanently mess up versions on PyPI if
ever released - we're treating that as a critical bug that we ever
made them and have stopped doing that.
�Invalid version %rN)�_from_pip_string_unsafe�
IndexErrorr )�klass�version_stringr r r �from_pip_stringw s z SemanticVersion.from_pip_stringc C s� |� d�}|d d� �� s&td| ��|�d�}dd� |D �}t|�}|dkr\td| ��n�|dk r�|t|�k r�|| d �� r�|| }d �t�d
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<listcomp>� s z;SemanticVersion._from_pip_string_unsafe.<locals>.<listcomp>r � � c S s | � � S r r: )�xr r r �<lambda>� � z9SemanticVersion._from_pip_string_unsafe.<locals>.<lambda>c S sT t �d�}d�t�|| ��} t �d�}d�t�|| ��}| t|�d � }|t|�fS )Nr; r@ �isalpha)�operator� methodcaller�join� itertools� dropwhile� takewhile�lenr )Zsegmentr; rD r r r r r � _parse_type� s
z<SemanticVersion._from_pip_string_unsafe.<locals>._parse_type� FT�0)r# r$ �r�devZpost� zUnknown remainder %r in %r)r r r z0Cannot combine postN and devN - no mapping in %r)�lstripr; r �splitrK rG rH rJ �append�extendr r �
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� � �� ���z'SemanticVersion._from_pip_string_unsafec C s d| j | j| jf S )�3Return the short version minus any alpha/beta tags.z%s.%s.%s)r r
r r! r r r � brief_string� s z SemanticVersion.brief_stringc C s
| � d�S )z�Return the version number to use when building a debian package.
This translates the PEP440/semver precedence rules into Debian version
sorting operators.
�~��
_long_versionr! r r r �
debian_string� s z SemanticVersion.debian_stringc C s` | j r | j d }| j}| j}n6d}| jr:| jd }| j}nd}| jrP| jd }nd}t|||�S )a� Return a decremented SemanticVersion.
Decrementing versions doesn't make a lot of sense - this method only
exists to support rendering of pre-release versions strings into
serialisations (such as rpm) with no sort-before operator.
The 9999 magic version component is from the spec on this - pbr-semver.
:return: A new SemanticVersion object.
r' i' r )r r
r r )r � new_patch� new_minor� new_majorr r r � decrement� s"
�zSemanticVersion.decrementFc C s� | j r | j }| jd }| j}nd}d}| jd }|rL| jd }d}d}d}n| j}|rr| jd }d}d}d}d}n| j}t|||||�S )a~ Return an incremented SemanticVersion.
The default behaviour is to perform a patch level increment. When
incrementing a prerelease version, the patch level is not changed
- the prerelease serial is changed (e.g. beta 0 -> beta 1).
Incrementing non-pre-release versions will not introduce pre-release
versions - except when doing a patch incremental to a pre-release
version the new version will only consist of major/minor/patch.
:param minor: Increment the minor version.
:param major: Increment the major version.
:return: A new SemanticVersion object.
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�zSemanticVersion.incrementr@ c C s� | j s | jr(|dkr(| �� �� g}d}n
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|�d� |�d� |�| j� d�dd� |D ��S )a1 Construct a long string version of this semver.
:param pre_separator: What separator to use between components
that sort before rather than after. If None, use . and lower the
version number of the component to preserve sorting. (Used for
rpm support)
Nr9 z%s%s%s%srP r@ c s s | ]}t |�V qd S r )�str)r< �sr r r � <genexpr>W s z0SemanticVersion._long_version.<locals>.<genexpr>)r r rc r[ rT r
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pre_separatorZ rc_marker�segmentsr r r r^ > s& �
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z SemanticVersion._long_versionc C s | � dd�S )�hReturn the full version of the package.
This including suffixes indicating VCS status.
r9 rN r] r! r r r r1 Y s z SemanticVersion.release_stringc C s
| � d�S )aS Return the version number to use when building an RPM package.
This translates the PEP440/semver precedence rules into RPM version
sorting operators. Because RPM has no sort-before operator (such as the
~ operator in dpkg), we show all prerelease versions as being versions
of the release before.
Nr] r! r r r �
rpm_string` s zSemanticVersion.rpm_stringc C s t | j| j| j| j| j|d�S )z~Return a development version of this semver.
:param dev_count: The number of commits since the last release.
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)r r r r r rX j s �zSemanticVersion.to_devc C s� | j | j| jg}| jrVddddddd�}|�|| jt| j�f � |�| jpP| j� n6| jrx|�d� |�| jd � n|�d
� |�d � t|�S ) a� Present the version as a version_info tuple.
For documentation on version_info tuples see the Python
documentation for sys.version_info.
Since semver and PEP-440 represent overlapping but not subsets of
versions, we have to have some heuristic / mapping rules, and have
extended the releaselevel field to have alphadev, betadev and
candidatedev values. When they are present the dev count is used
to provide the serial.
- a/b/rc take precedence.
- if there is no pre-release version the dev version is used.
- serial is taken from the dev/a/b/c component.
- final non-dev versions never get serials.
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eZ ddd�Z dS )� VersionInfoc C s || _ d| _d| _d| _dS )z�Object that understands versioning for a package
:param package: name of the python package, such as glance, or
python-glanceclient
N)�package�version�_cached_version� _semantic)r ru r r r r � s zVersionInfo.__init__c C s | � � S )z1Make the VersionInfo object behave like a string.)r7 r! r r r �__str__� s zVersionInfo.__str__c C s d| j | �� f S )zInclude the name.z pbr.version.VersionInfo(%s:%s))ru r7 r! r r r r2 � s �zVersionInfo.__repr__c C sd ddl }z"|j�| j�}|�|�}|j}W n. |jk
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� |�S )a Obtain a version from pkg_resources or setup-time logic if missing.
This will try to get the version of the package from the pkg_resources
record associated with the package, and if there is no such record
falls back to the logic sdist would use.
r N)� packaging) �
pkg_resourcesZ Requirement�parseru Z get_providerrv ZDistributionNotFoundZpbrrz Z get_versionr r8 )r r{ Z requirementZproviderZ
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z+VersionInfo._get_version_from_pkg_resourcesc C s | � � �� S )rh )�semantic_versionr1 r! r r r r1 � s zVersionInfo.release_stringc C s | j dkr| �� | _ | j S )z3Return the SemanticVersion object for this version.N)rx r} r! r r r r~ � s
z VersionInfo.semantic_versionc C s | � � �� S )rZ )r~ r[ r! r r r r7 � s zVersionInfo.version_stringr@ c C s | j sd|| �� f | _ | j S )z�Return a cached version string.
This will return a cached version string if one is already cached,
irrespective of prefix. If none is cached, one will be created with
prefix and then cached and returned.
z%s%s)rw r7 )r �prefixr r r �cached_version_string� s
�z!VersionInfo.cached_version_stringN)r@ )
ro rp rq r ry r2 r} r1 r~ r7 Zcanonical_version_stringZversion_string_with_vcsr� r r r r rt � s rt )rr rH rE r( r �objectr rt r r r r �<module> s x