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from functools import partial from glob import glob from distutils.util import convert_path import distutils.command.build_py as orig import os import fnmatch import textwrap import distutils.errors import itertools import stat from pathlib import Path from typing import Dict, Iterable, Iterator, List, Optional, Tuple from ..extern.more_itertools import unique_everseen from ..warnings import SetuptoolsDeprecationWarning _IMPLICIT_DATA_FILES = ('*.pyi', 'py.typed') def make_writable(target): os.chmod(target, os.stat(target).st_mode | stat.S_IWRITE) class build_py(orig.build_py): """Enhanced 'build_py' command that includes data files with packages The data files are specified via a 'package_data' argument to 'setup()'. See 'setuptools.dist.Distribution' for more details. Also, this version of the 'build_py' command allows you to specify both 'py_modules' and 'packages' in the same setup operation. """ editable_mode: bool = False existing_egg_info_dir: Optional[str] = None #: Private API, internal use only. def finalize_options(self): orig.build_py.finalize_options(self) self.package_data = self.distribution.package_data self.exclude_package_data = self.distribution.exclude_package_data or {} if 'data_files' in self.__dict__: del self.__dict__['data_files'] self.__updated_files = [] def copy_file( self, infile, outfile, preserve_mode=1, preserve_times=1, link=None, level=1 ): # Overwrite base class to allow using links if link: infile = str(Path(infile).resolve()) outfile = str(Path(outfile).resolve()) return super().copy_file( infile, outfile, preserve_mode, preserve_times, link, level ) def run(self): """Build modules, packages, and copy data files to build directory""" if not (self.py_modules or self.packages) or self.editable_mode: return if self.py_modules: self.build_modules() if self.packages: self.build_packages() self.build_package_data() # Only compile actual .py files, using our base class' idea of what our # output files are. self.byte_compile(orig.build_py.get_outputs(self, include_bytecode=0)) def __getattr__(self, attr): "lazily compute data files" if attr == 'data_files': self.data_files = self._get_data_files() return self.data_files return orig.build_py.__getattr__(self, attr) def build_module(self, module, module_file, package): outfile, copied = orig.build_py.build_module(self, module, module_file, package) if copied: self.__updated_files.append(outfile) return outfile, copied def _get_data_files(self): """Generate list of '(package,src_dir,build_dir,filenames)' tuples""" self.analyze_manifest() return list(map(self._get_pkg_data_files, self.packages or ())) def get_data_files_without_manifest(self): """ Generate list of ``(package,src_dir,build_dir,filenames)`` tuples, but without triggering any attempt to analyze or build the manifest. """ # Prevent eventual errors from unset `manifest_files` # (that would otherwise be set by `analyze_manifest`) self.__dict__.setdefault('manifest_files', {}) return list(map(self._get_pkg_data_files, self.packages or ())) def _get_pkg_data_files(self, package): # Locate package source directory src_dir = self.get_package_dir(package) # Compute package build directory build_dir = os.path.join(*([self.build_lib] + package.split('.'))) # Strip directory from globbed filenames filenames = [ os.path.relpath(file, src_dir) for file in self.find_data_files(package, src_dir) ] return package, src_dir, build_dir, filenames def find_data_files(self, package, src_dir): """Return filenames for package's data files in 'src_dir'""" patterns = self._get_platform_patterns( self.package_data, package, src_dir, extra_patterns=_IMPLICIT_DATA_FILES, ) globs_expanded = map(partial(glob, recursive=True), patterns) # flatten the expanded globs into an iterable of matches globs_matches = itertools.chain.from_iterable(globs_expanded) glob_files = filter(os.path.isfile, globs_matches) files = itertools.chain( self.manifest_files.get(package, []), glob_files, ) return self.exclude_data_files(package, src_dir, files) def get_outputs(self, include_bytecode=1) -> List[str]: """See :class:`setuptools.commands.build.SubCommand`""" if self.editable_mode: return list(self.get_output_mapping().keys()) return super().get_outputs(include_bytecode) def get_output_mapping(self) -> Dict[str, str]: """See :class:`setuptools.commands.build.SubCommand`""" mapping = itertools.chain( self._get_package_data_output_mapping(), self._get_module_mapping(), ) return dict(sorted(mapping, key=lambda x: x[0])) def _get_module_mapping(self) -> Iterator[Tuple[str, str]]: """Iterate over all modules producing (dest, src) pairs.""" for package, module, module_file in self.find_all_modules(): package = package.split('.') filename = self.get_module_outfile(self.build_lib, package, module) yield (filename, module_file) def _get_package_data_output_mapping(self) -> Iterator[Tuple[str, str]]: """Iterate over package data producing (dest, src) pairs.""" for package, src_dir, build_dir, filenames in self.data_files: for filename in filenames: target = os.path.join(build_dir, filename) srcfile = os.path.join(src_dir, filename) yield (target, srcfile) def build_package_data(self): """Copy data files into build directory""" for target, srcfile in self._get_package_data_output_mapping(): self.mkpath(os.path.dirname(target)) _outf, _copied = self.copy_file(srcfile, target) make_writable(target) def analyze_manifest(self): self.manifest_files = mf = {} if not self.distribution.include_package_data: return src_dirs = {} for package in self.packages or (): # Locate package source directory src_dirs[assert_relative(self.get_package_dir(package))] = package if ( getattr(self, 'existing_egg_info_dir', None) and Path(self.existing_egg_info_dir, "SOURCES.txt").exists() ): egg_info_dir = self.existing_egg_info_dir manifest = Path(egg_info_dir, "SOURCES.txt") files = manifest.read_text(encoding="utf-8").splitlines() else: self.run_command('egg_info') ei_cmd = self.get_finalized_command('egg_info') egg_info_dir = ei_cmd.egg_info files = ei_cmd.filelist.files check = _IncludePackageDataAbuse() for path in self._filter_build_files(files, egg_info_dir): d, f = os.path.split(assert_relative(path)) prev = None oldf = f while d and d != prev and d not in src_dirs: prev = d d, df = os.path.split(d) f = os.path.join(df, f) if d in src_dirs: if f == oldf: if check.is_module(f): continue # it's a module, not data else: importable = check.importable_subpackage(src_dirs[d], f) if importable: check.warn(importable) mf.setdefault(src_dirs[d], []).append(path) def _filter_build_files(self, files: Iterable[str], egg_info: str) -> Iterator[str]: """ ``build_meta`` may try to create egg_info outside of the project directory, and this can be problematic for certain plugins (reported in issue #3500). Extensions might also include between their sources files created on the ``build_lib`` and ``build_temp`` directories. This function should filter this case of invalid files out. """ build = self.get_finalized_command("build") build_dirs = (egg_info, self.build_lib, build.build_temp, build.build_base) norm_dirs = [os.path.normpath(p) for p in build_dirs if p] for file in files: norm_path = os.path.normpath(file) if not os.path.isabs(file) or all(d not in norm_path for d in norm_dirs): yield file def get_data_files(self): pass # Lazily compute data files in _get_data_files() function. def check_package(self, package, package_dir): """Check namespace packages' __init__ for declare_namespace""" try: return self.packages_checked[package] except KeyError: pass init_py = orig.build_py.check_package(self, package, package_dir) self.packages_checked[package] = init_py if not init_py or not self.distribution.namespace_packages: return init_py for pkg in self.distribution.namespace_packages: if pkg == package or pkg.startswith(package + '.'): break else: return init_py with open(init_py, 'rb') as f: contents = f.read() if b'declare_namespace' not in contents: raise distutils.errors.DistutilsError( "Namespace package problem: %s is a namespace package, but " "its\n__init__.py does not call declare_namespace()! Please " 'fix it.\n(See the setuptools manual under ' '"Namespace Packages" for details.)\n"' % (package,) ) return init_py def initialize_options(self): self.packages_checked = {} orig.build_py.initialize_options(self) self.editable_mode = False self.existing_egg_info_dir = None def get_package_dir(self, package): res = orig.build_py.get_package_dir(self, package) if self.distribution.src_root is not None: return os.path.join(self.distribution.src_root, res) return res def exclude_data_files(self, package, src_dir, files): """Filter filenames for package's data files in 'src_dir'""" files = list(files) patterns = self._get_platform_patterns( self.exclude_package_data, package, src_dir, ) match_groups = (fnmatch.filter(files, pattern) for pattern in patterns) # flatten the groups of matches into an iterable of matches matches = itertools.chain.from_iterable(match_groups) bad = set(matches) keepers = (fn for fn in files if fn not in bad) # ditch dupes return list(unique_everseen(keepers)) @staticmethod def _get_platform_patterns(spec, package, src_dir, extra_patterns=[]): """ yield platform-specific path patterns (suitable for glob or fn_match) from a glob-based spec (such as self.package_data or self.exclude_package_data) matching package in src_dir. """ raw_patterns = itertools.chain( extra_patterns, spec.get('', []), spec.get(package, []), ) return ( # Each pattern has to be converted to a platform-specific path os.path.join(src_dir, convert_path(pattern)) for pattern in raw_patterns ) def assert_relative(path): if not os.path.isabs(path): return path from distutils.errors import DistutilsSetupError msg = ( textwrap.dedent( """ Error: setup script specifies an absolute path: %s setup() arguments must *always* be /-separated paths relative to the setup.py directory, *never* absolute paths. """ ).lstrip() % path ) raise DistutilsSetupError(msg) class _IncludePackageDataAbuse: """Inform users that package or module is included as 'data file'""" class _Warning(SetuptoolsDeprecationWarning): _SUMMARY = """ Package {importable!r} is absent from the `packages` configuration. """ _DETAILS = """ ############################ # Package would be ignored # ############################ Python recognizes {importable!r} as an importable package[^1], but it is absent from setuptools' `packages` configuration. This leads to an ambiguous overall configuration. If you want to distribute this package, please make sure that {importable!r} is explicitly added to the `packages` configuration field. Alternatively, you can also rely on setuptools' discovery methods (for example by using `find_namespace_packages(...)`/`find_namespace:` instead of `find_packages(...)`/`find:`). You can read more about "package discovery" on setuptools documentation page: - https://setuptools.pypa.io/en/latest/userguide/package_discovery.html If you don't want {importable!r} to be distributed and are already explicitly excluding {importable!r} via `find_namespace_packages(...)/find_namespace` or `find_packages(...)/find`, you can try to use `exclude_package_data`, or `include-package-data=False` in combination with a more fine grained `package-data` configuration. You can read more about "package data files" on setuptools documentation page: - https://setuptools.pypa.io/en/latest/userguide/datafiles.html [^1]: For Python, any directory (with suitable naming) can be imported, even if it does not contain any `.py` files. On the other hand, currently there is no concept of package data directory, all directories are treated like packages. """ # _DUE_DATE: still not defined as this is particularly controversial. # Warning initially introduced in May 2022. See issue #3340 for discussion. def __init__(self): self._already_warned = set() def is_module(self, file): return file.endswith(".py") and file[: -len(".py")].isidentifier() def importable_subpackage(self, parent, file): pkg = Path(file).parent parts = list(itertools.takewhile(str.isidentifier, pkg.parts)) if parts: return ".".join([parent, *parts]) return None def warn(self, importable): if importable not in self._already_warned: self._Warning.emit(importable=importable) self._already_warned.add(importable)
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