cmds.projects.lib.pkg_relations: Add module
BaseCmdPkgRelations contains pkg_relations(), a function doing package graph analysis code. The function needs to be made available to code outside BaseCmdPkgRelations, so move it to cmds.projects.lib.pkg_relations. The commit also applies style fixes to both BaseCmdPkgRelations and pkg_relations which anticipate broader style changes to jw-pkg in general. Signed-off-by: Jan Lindemann <jan@janware.com>
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GPG key ID:
3750640C9E25DD61
2 changed files with 269 additions and 175 deletions
169
src/python/jw/pkg/cmds/projects/lib/pkg_relations.py
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169
src/python/jw/pkg/cmds/projects/lib/pkg_relations.py
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@ -0,0 +1,169 @@
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import re
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from enum import Enum, auto
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from ....App import App, Scope
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from ....lib.log import DEBUG, log
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class VersionSyntax(Enum):
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semver = auto()
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debian = auto()
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names_only = auto()
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def pkg_relations(
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app: App,
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rel_type: str,
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flavours: list[str],
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seed_pkgs: list[str],
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subsections: list[str] | None = None,
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delimiter: str = ' ',
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no_subpackages: bool = False,
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dont_strip_revision: bool = False,
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expand_semver_revision_range: bool = False,
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syntax: VersionSyntax = VersionSyntax.semver,
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recursive: bool = False,
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dont_expand_version_macros: bool = False,
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ignore: set[str] = set(),
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quote: bool = False,
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skip_excluded: bool = False,
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hide_self = False,
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hide_jw_pkg = False,
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) -> list[str]:
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if subsections is None:
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subsections = app.distro.os_cascade
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subsections.append('jw')
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expand_semver_revision_range = expand_semver_revision_range
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if syntax == VersionSyntax.debian:
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expand_semver_revision_range = True
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if skip_excluded:
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excluded = app.get_project_refs(
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seed_pkgs,
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['build'],
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'exclude',
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scope = Scope.One,
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add_self = False,
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names_only = True,
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)
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ignore |= set(excluded)
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log(
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DEBUG,
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(
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f'flavours="{", ".join(flavours)}", '
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f'subsections="{", ".join(subsections)}", '
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f'"ignore="{", ".join(ignore)}"'
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),
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)
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version_pattern = re.compile('[0-9-.]*')
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ret: list[str] = []
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for flavour in flavours: # build / release / run / devel
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cur_pkgs = seed_pkgs.copy()
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visited = set()
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while len(cur_pkgs):
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cur_pkg = cur_pkgs.pop(0)
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if cur_pkg in visited or cur_pkg in ignore:
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continue
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for subsec in subsections:
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section = 'pkg.' + rel_type + '.' + subsec
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visited.add(cur_pkg)
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value = app.get_value(cur_pkg, section, flavour)
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if not value:
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continue
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deps = value.split(',')
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for spec in deps:
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dep = re.split('([=><]+)', spec)
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if syntax == VersionSyntax.names_only:
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dep = dep[:1]
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dep = list(map(str.strip, dep))
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dep_name = re.sub('-dev$|-devel$|-run$', '', dep[0])
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if dep_name in ignore or dep[0] in ignore:
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continue
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if no_subpackages:
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dep[0] = dep_name
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for i, item in enumerate(dep):
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dep[i] = item.strip()
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if subsec == 'jw':
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if (recursive and dep_name not in visited
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and dep_name not in cur_pkgs):
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cur_pkgs.append(dep_name)
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if hide_jw_pkg:
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continue
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if len(dep) == 3:
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if dont_expand_version_macros and dep_name in cur_pkgs:
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version = dep[2]
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else:
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version = app.get_version(dep_name)
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if dep[2] == 'VERSION':
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if dont_strip_revision:
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dep[2] = version
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else:
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dep[2] = version.split('-')[0]
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elif dep[2] == 'VERSION-REVISION':
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dep[2] = version
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elif version_pattern.match(dep[2]):
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# dep[2] = dep[2]
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pass
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else:
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raise Exception('Unknown version specifier in ' + spec)
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if len(dep) != 3 or not expand_semver_revision_range:
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expanded_deps = [dep]
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else:
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expanded_deps = []
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semver = re.split(r'[.-]', version)
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if len(semver) != 4:
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expanded_deps = [dep]
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else:
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release = int(semver[2])
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major_minor = f'{semver[0]}.{semver[1]}'
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match dep[1]:
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case '>' | '>=':
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expanded_deps.append([dep[0], dep[1], dep[2]])
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expanded_deps.append(
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[dep[0], '<', f'{major_minor}.{release + 1}']
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)
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case '<' | '<=':
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expanded_deps.append([dep[0], dep[1], dep[2]])
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case '=':
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expanded_deps.append(
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[dep[0], '>=', f'{major_minor}.{release}']
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)
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expanded_deps.append(
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[dep[0], '<', f'{major_minor}.{release + 1}']
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)
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case _:
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raise NotImplementedError(
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(
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'Expanding SemVer range '
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f'"{dep[0]} {dep[1]} {dep[3]}" '
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'is not yet implemented'
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)
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)
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for expanded_dep in expanded_deps:
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if hide_self and dep_name in seed_pkgs:
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continue
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match syntax:
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case VersionSyntax.semver:
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pass
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case VersionSyntax.debian:
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if len(expanded_dep) == 3:
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match expanded_dep[1]:
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case '<':
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expanded_dep[1] = '<<'
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case '>':
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expanded_dep[1] = '>>'
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case '_':
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raise NotImplementedError(
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f'Unknown dependency syntax "{syntax}" for '
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f'dependency "{dep[0]} {dep[1]} {dep[3]}"'
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)
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dep_str = ' '.join(expanded_dep)
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if quote:
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dep_str = '"' + dep_str + '"'
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if dep_str not in ret:
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log(DEBUG, f'Appending dependency >{dep_str}<')
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ret.append(dep_str)
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return ret
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