rez.packages#

class rez.packages.PackageRepositoryResourceWrapper#

Bases: ResourceWrapper, StringFormatMixin

format_expand = 3#
validated_data()#
property repository#

The package repository this resource comes from.

Returns:

PackageRepository.

__init__(resource)#
property data#
format(s, pretty=None, expand=None)#

Format a string.

Parameters:

  • s (str) – String to format, eg “hello {name}”

  • pretty (bool) – If True, references to non-string attributes such as lists are converted to basic form, with characters such as brackets and parenthesis removed. If None, defaults to the object’s ‘format_pretty’ attribute.

  • expand (StringFormatType) – Expansion mode. If None, will default to the object’s ‘format_expand’ attribute.

Returns:

The formatting string.

format_pretty = True#
property handle#
keys = None#
property resource#
validate_data()#
class rez.packages.PackageFamily#

Bases: PackageRepositoryResourceWrapper

A package family.

Note

Do not instantiate this class directly, instead use the function iter_package_families.

keys = {'name'}#
__init__(resource)#
iter_packages()#

Iterate over the packages within this family, in no particular order.

Returns:

Package iterator.

property data#
format(s, pretty=None, expand=None)#

Format a string.

Parameters:

  • s (str) – String to format, eg “hello {name}”

  • pretty (bool) – If True, references to non-string attributes such as lists are converted to basic form, with characters such as brackets and parenthesis removed. If None, defaults to the object’s ‘format_pretty’ attribute.

  • expand (StringFormatType) – Expansion mode. If None, will default to the object’s ‘format_expand’ attribute.

Returns:

The formatting string.

format_expand = 3#
format_pretty = True#
property handle#
property name#
property repository#

The package repository this resource comes from.

Returns:

PackageRepository.

property resource#
validate_data()#
validated_data()#
class rez.packages.PackageBaseResourceWrapper#

Bases: PackageRepositoryResourceWrapper

Abstract base class for Package and Variant.

late_bind_schemas = {'requires': Schema([Or(<class 'rez.utils.formatting.PackageRequest'>, And(<class 'str'>, Use(<class 'rez.utils.formatting.PackageRequest'>)))])}#
__init__(resource, context=None)#
set_context(context)#
arbitrary_keys()#
property uri#
property config#

Returns the config for this package.

Defaults to global config if this package did not provide a ‘config’ section.

is_local()#

Returns True if the package is in the local package repository

print_info(buf=None, format_=FileFormat.yaml, skip_attributes=None, include_release=False)#

Print the contents of the package.

Parameters:

  • buf (IO) – Stream to write to.

  • format (FileFormat) – Format to write in.

  • skip_attributes (list of str) – List of attributes to not print.

  • include_release (bool) – If True, include release-related attributes, such as ‘timestamp’ and ‘changelog’

property data#
format(s, pretty=None, expand=None)#

Format a string.

Parameters:

  • s (str) – String to format, eg “hello {name}”

  • pretty (bool) – If True, references to non-string attributes such as lists are converted to basic form, with characters such as brackets and parenthesis removed. If None, defaults to the object’s ‘format_pretty’ attribute.

  • expand (StringFormatType) – Expansion mode. If None, will default to the object’s ‘format_expand’ attribute.

Returns:

The formatting string.

format_expand = 3#
format_pretty = True#
property handle#
keys = None#
property repository#

The package repository this resource comes from.

Returns:

PackageRepository.

property resource#
validate_data()#
validated_data()#
class rez.packages.Package#

Bases: PackageBaseResourceWrapper

A package.

Warning

Do not instantiate this class directly, instead use the function iter_packages() or PackageFamily.iter_packages().

keys = {'authors', 'base', 'build_requires', 'cachable', 'changelog', 'commands', 'config', 'description', 'has_plugins', 'hashed_variants', 'help', 'name', 'plugin_for', 'post_commands', 'pre_build_commands', 'pre_commands', 'pre_test_commands', 'previous_revision', 'previous_version', 'private_build_requires', 'release_message', 'relocatable', 'requires', 'revision', 'tests', 'timestamp', 'tools', 'uuid', 'variants', 'vcs', 'version'}#
is_package = True#

Allows for a simple check like this.is_package in late-bound funcs, where this may be a package or variant.

is_variant = False#

Allows for a simple check like this.is_variant in late-bound funcs, where this may be a package or variant.

__init__(resource, context=None)#
arbitrary_keys()#

Get the arbitrary keys present in this package.

These are any keys not in the standard list (‘name’, ‘version’ etc).

Returns:

Arbitrary keys.

Return type:

set of str

qualified_name()#

Get the qualified name of the package.

Returns:

Name of the package with version, eg “maya-2016.1”.

Return type:

str

as_exact_requirement()#

Get the package, as an exact requirement string.

Returns:

Equivalent requirement string, eg “maya==2016.1”

parent()#

Get the parent package family.

Returns:

PackageFamily.

num_variants()#
property is_relocatable#

True if the package and its payload is safe to copy.

property is_cachable#

True if the package and its payload is safe to cache locally.

iter_variants()#

Iterate over the variants within this package, in index order.

Returns:

Variant iterator.

get_variant(index=None)#

Get the variant with the associated index.

Returns:

Variant object, or None if no variant with the given index exists.

property authors#
property base#
property build_requires#
property cachable#
property changelog#
property commands#
property config#

Returns the config for this package.

Defaults to global config if this package did not provide a ‘config’ section.

property data#
property description#
format(s, pretty=None, expand=None)#

Format a string.

Parameters:

  • s (str) – String to format, eg “hello {name}”

  • pretty (bool) – If True, references to non-string attributes such as lists are converted to basic form, with characters such as brackets and parenthesis removed. If None, defaults to the object’s ‘format_pretty’ attribute.

  • expand (StringFormatType) – Expansion mode. If None, will default to the object’s ‘format_expand’ attribute.

Returns:

The formatting string.

format_expand = 3#
format_pretty = True#
property handle#
property has_plugins#
property hashed_variants#
property help#
is_local()#

Returns True if the package is in the local package repository

late_bind_schemas = {'requires': Schema([Or(<class 'rez.utils.formatting.PackageRequest'>, And(<class 'str'>, Use(<class 'rez.utils.formatting.PackageRequest'>)))])}#
property name#
property plugin_for#
property post_commands#
property pre_build_commands#
property pre_commands#
property pre_test_commands#
property previous_revision#
property previous_version#
print_info(buf=None, format_=FileFormat.yaml, skip_attributes=None, include_release=False)#

Print the contents of the package.

Parameters:

  • buf (IO) – Stream to write to.

  • format (FileFormat) – Format to write in.

  • skip_attributes (list of str) – List of attributes to not print.

  • include_release (bool) – If True, include release-related attributes, such as ‘timestamp’ and ‘changelog’

property private_build_requires#
property release_message#
property relocatable#
property repository#

The package repository this resource comes from.

Returns:

PackageRepository.

property requires#
property resource#
property revision#
set_context(context)#
property tests#
property timestamp#
property tools#
property uri#
property uuid#
validate_data()#
validated_data()#
property variants#
property vcs#
property version#
class rez.packages.Variant#

Bases: PackageBaseResourceWrapper

A package variant.

Warning

Do not instantiate this class directly, instead use the function Package.iter_variants().

keys = {'authors', 'base', 'build_requires', 'cachable', 'changelog', 'commands', 'config', 'description', 'has_plugins', 'hashed_variants', 'help', 'index', 'name', 'plugin_for', 'post_commands', 'pre_build_commands', 'pre_commands', 'pre_test_commands', 'previous_revision', 'previous_version', 'private_build_requires', 'release_message', 'relocatable', 'requires', 'revision', 'root', 'subpath', 'tests', 'timestamp', 'tools', 'uuid', 'vcs', 'version'}#
is_package = False#

See Package.is_package.

is_variant = True#

See Package.is_variant.

__init__(resource, context=None, parent=None)#
arbitrary_keys()#
qualified_package_name()#
qualified_name()#

Get the qualified name of the variant.

Returns:

Name of the variant with version and index, eg “maya-2016.1[1]”.

Return type:

str

parent()#

Get the parent package.

Returns:

Package.

property variant_requires#

Get the subset of requirements specific to this variant.

Returns:

List of Requirement objects.

property requires#

Get variant requirements.

This is a concatenation of the package requirements and those of this specific variant.

Returns:

List of Requirement objects.

get_requires(build_requires=False, private_build_requires=False)#

Get the requirements of the variant.

Parameters:

  • build_requires (bool) – If True, include build requirements.

  • private_build_requires (bool) – If True, include private build requirements.

Returns:

List of Requirement objects.

install(path, dry_run=False, overrides=None)#

Install this variant into another package repository.

If the package already exists, this variant will be correctly merged into the package. If the variant already exists in this package, the existing variant is returned.

Parameters:

  • path (str) – Path to destination package repository.

  • dry_run (bool) – If True, do not actually install the variant. In this mode, a Variant instance is only returned if the equivalent variant already exists in this repository; otherwise, None is returned.

  • overrides (dict) – Use this to change or add attributes to the installed variant.

Returns:

Variant object - the (existing or newly created) variant in the specified repository. If dry_run is True, None may be returned.

property authors#
property base#
property build_requires#
property cachable#
property changelog#
property commands#
property config#

Returns the config for this package.

Defaults to global config if this package did not provide a ‘config’ section.

property data#
property description#
format(s, pretty=None, expand=None)#

Format a string.

Parameters:

  • s (str) – String to format, eg “hello {name}”

  • pretty (bool) – If True, references to non-string attributes such as lists are converted to basic form, with characters such as brackets and parenthesis removed. If None, defaults to the object’s ‘format_pretty’ attribute.

  • expand (StringFormatType) – Expansion mode. If None, will default to the object’s ‘format_expand’ attribute.

Returns:

The formatting string.

format_expand = 3#
format_pretty = True#
property handle#
property has_plugins#
property hashed_variants#
property help#
property index#
is_local()#

Returns True if the package is in the local package repository

late_bind_schemas = {'requires': Schema([Or(<class 'rez.utils.formatting.PackageRequest'>, And(<class 'str'>, Use(<class 'rez.utils.formatting.PackageRequest'>)))])}#
property name#
property plugin_for#
property post_commands#
property pre_build_commands#
property pre_commands#
property pre_test_commands#
property previous_revision#
property previous_version#
print_info(buf=None, format_=FileFormat.yaml, skip_attributes=None, include_release=False)#

Print the contents of the package.

Parameters:

  • buf (IO) – Stream to write to.

  • format (FileFormat) – Format to write in.

  • skip_attributes (list of str) – List of attributes to not print.

  • include_release (bool) – If True, include release-related attributes, such as ‘timestamp’ and ‘changelog’

property private_build_requires#
property release_message#
property relocatable#
property repository#

The package repository this resource comes from.

Returns:

PackageRepository.

property resource#
property revision#
property root#
set_context(context)#
property subpath#
property tests#
property timestamp#
property tools#
property uri#
property uuid#
validate_data()#
validated_data()#
property vcs#
property version#
class rez.packages.PackageSearchPath#

Bases: object

A list of package repositories.

For example, $REZ_PACKAGES_PATH refers to a list of repositories.

__init__(packages_path)#

Create a package repository list.

Parameters:

packages_path (list of str) – List of package repositories.

iter_packages(name, range_=None)#

See iter_packages.

Returns:

Package iterator.

rez.packages.iter_package_families(paths=None)#

Iterate over package families, in no particular order.

Note that multiple package families with the same name can be returned. Unlike packages, families later in the searchpath are not hidden by earlier families.

Parameters:

paths (Optional[list[str]]) – paths to search for package families, defaults to config.packages_path.

Returns:

PackageFamily iterator.

rez.packages.iter_packages(name, range_=None, paths=None)#

Iterate over Package instances, in no particular order.

Packages of the same name and version earlier in the search path take precedence - equivalent packages later in the paths are ignored. Packages are not returned in any specific order.

Parameters:

  • name (str) – Name of the package, eg ‘maya’.

  • range (VersionRange or str) – If provided, limits the versions returned to those in range_.

  • paths (Optional[list[str]]) – paths to search for packages, defaults to config.packages_path.

Returns:

Package iterator.

rez.packages.get_package(name, version, paths=None)#

Get a package by searching a list of repositories.

Parameters:

  • name (str) – Name of the package, eg ‘maya’.

  • version (Version or str) – Version of the package, eg ‘1.0.0’

  • paths (Optional[list[str]]) – paths to search for package, defaults to config.packages_path.

Returns:

Package object, or None if the package was not found.

rez.packages.get_package_family_from_repository(name, path)#

Get a package family from a repository.

Parameters:

name (str) – Name of the package, eg ‘maya’.

Returns:

PackageFamily object, or None if the family was not found.

rez.packages.get_package_from_repository(name, version, path)#

Get a package from a repository.

Parameters:

  • name (str) – Name of the package, eg ‘maya’.

  • version (Version or str) – Version of the package, eg ‘1.0.0’

Returns:

Package object, or None if the package was not found.

rez.packages.get_package_from_handle(package_handle)#

Create a package given its handle (or serialized dict equivalent)

Parameters:

package_handle (ResourceHandle or dict) – Resource handle, or equivalent serialized dict representation from ResourceHandle.to_dict

Returns:

Package.

rez.packages.get_package_from_string(txt, paths=None)#

Get a package given a string.

Parameters:

  • txt (str) – String such as ‘foo’, ‘bah-1.3’.

  • paths (Optional[list[str]]) – paths to search for package, defaults to config.packages_path.

Returns:

Package instance, or None if no package was found.

rez.packages.get_developer_package(path, format=None)#

Create a developer package.

Parameters:

  • path (str) – Path to dir containing package definition file.

  • format (str) – Package definition file format, detected if None.

Returns:

DeveloperPackage.

rez.packages.create_package(name, data, package_cls=None)#

Create a package given package data.

Parameters:

  • name (str) – Package name.

  • data (dict) – Package data. Must conform to package_maker.package_schema.

Returns:

Package object.

rez.packages.get_variant(variant_handle, context=None)#

Create a variant given its handle (or serialized dict equivalent)

Parameters:

  • variant_handle (ResourceHandle or dict) – Resource handle, or equivalent serialized dict representation from ResourceHandle.to_dict

  • context (ResolvedContext) – The context this variant is associated with, if any.

Returns:

Variant.

rez.packages.get_package_from_uri(uri, paths=None)#

Get a package given its URI.

Parameters:

  • uri (str) – Variant URI

  • paths (list of str) – paths to search for packages, defaults to config.packages_path. If None, attempts to find a package that may have come from any package repo.

Returns:

Package, or None if the package could not be found.

rez.packages.get_variant_from_uri(uri, paths=None)#

Get a variant given its URI.

Parameters:

  • uri (str) – Variant URI

  • paths (list of str) – paths to search for variants, defaults to config.packages_path. If None, attempts to find a variant that may have come from any package repo.

Returns:

Variant, or None if the variant could not be found.

rez.packages.get_last_release_time(name, paths=None)#

Returns the most recent time this package was released.

Note that releasing a variant into an already-released package is also considered a package release.

Parameters:

  • name (str) – Package family name.

  • paths (list of str) – paths to search for packages, defaults to config.packages_path.

Returns:

Epoch time of last package release, or zero if this cannot be determined.

Return type:

int

rez.packages.get_completions(prefix, paths=None, family_only=False)#

Get autocompletion options given a prefix string.

Example

>>> get_completions("may")
set(["maya", "maya_utils"])
>>> get_completions("maya-")
set(["maya-2013.1", "maya-2015.0.sp1"])
Parameters:

  • prefix (str) – Prefix to match.

  • paths (list of str) – paths to search for packages, defaults to config.packages_path.

  • family_only (bool) – If True, only match package names, do not include version component.

Returns:

Set of strings, may be empty.

rez.packages.get_latest_package(name, range_=None, paths=None, error=False)#

Get the latest package for a given package name.

Parameters:

  • name (str) – Package name.

  • range (VersionRange) – Version range to search within.

  • paths (Optional[list[str]]) – paths to search for package families, defaults to config.packages_path.

  • error (bool) – If True, raise an error if no package is found.

Returns:

Package object, or None if no package is found.

rez.packages.get_latest_package_from_string(txt, paths=None, error=False)#

Get the latest package found within the given request string.

Parameters:

  • txt (str) – Request, eg ‘foo-1.2+’

  • paths (Optional[list[str]]) – paths to search for packages, defaults to config.packages_path.

  • error (bool) – If True, raise an error if no package is found.

Returns:

Package object, or None if no package is found.