JezK
Edit File: bdist_wheel.py
""" Create a wheel (.whl) distribution. A wheel is a built archive format. """ from __future__ import annotations import os import re import shutil import stat import sys import sysconfig import warnings from collections import OrderedDict from email.generator import BytesGenerator, Generator from email.policy import EmailPolicy from glob import iglob from io import BytesIO from shutil import rmtree from zipfile import ZIP_DEFLATED, ZIP_STORED import pkg_resources from setuptools import Command from . import __version__ as wheel_version from .macosx_libfile import calculate_macosx_platform_tag from .metadata import pkginfo_to_metadata from .util import log from .vendored.packaging import tags from .wheelfile import WheelFile safe_name = pkg_resources.safe_name safe_version = pkg_resources.safe_version setuptools_major_version = int( pkg_resources.get_distribution("setuptools").version.split(".")[0] ) PY_LIMITED_API_PATTERN = r"cp3\d" def python_tag(): return f"py{sys.version_info[0]}" def get_platform(archive_root): """Return our platform name 'win32', 'linux_x86_64'""" result = sysconfig.get_platform() if result.startswith("macosx") and archive_root is not None: result = calculate_macosx_platform_tag(archive_root, result) elif result == "linux-x86_64" and sys.maxsize == 2147483647: # pip pull request #3497 result = "linux-i686" return result.replace("-", "_") def get_flag(var, fallback, expected=True, warn=True): """Use a fallback value for determining SOABI flags if the needed config var is unset or unavailable.""" val = sysconfig.get_config_var(var) if val is None: if warn: warnings.warn( "Config variable '{}' is unset, Python ABI tag may " "be incorrect".format(var), RuntimeWarning, 2, ) return fallback return val == expected def get_abi_tag(): """Return the ABI tag based on SOABI (if available) or emulate SOABI (PyPy2).""" soabi = sysconfig.get_config_var("SOABI") impl = tags.interpreter_name() if not soabi and impl in ("cp", "pp") and hasattr(sys, "maxunicode"): d = "" m = "" u = "" if get_flag("Py_DEBUG", hasattr(sys, "gettotalrefcount"), warn=(impl == "cp")): d = "d" if get_flag( "WITH_PYMALLOC", impl == "cp", warn=(impl == "cp" and sys.version_info < (3, 8)), ) and sys.version_info < (3, 8): m = "m" abi = f"{impl}{tags.interpreter_version()}{d}{m}{u}" elif soabi and impl == "cp": abi = "cp" + soabi.split("-")[1] elif soabi and impl == "pp": # we want something like pypy36-pp73 abi = "-".join(soabi.split("-")[:2]) abi = abi.replace(".", "_").replace("-", "_") elif soabi: abi = soabi.replace(".", "_").replace("-", "_") else: abi = None return abi def safer_name(name): return safe_name(name).replace("-", "_") def safer_version(version): return safe_version(version).replace("-", "_") def remove_readonly(func, path, excinfo): print(str(excinfo[1])) os.chmod(path, stat.S_IWRITE) func(path) class bdist_wheel(Command): description = "create a wheel distribution" supported_compressions = OrderedDict( [("stored", ZIP_STORED), ("deflated", ZIP_DEFLATED)] ) user_options = [ ("bdist-dir=", "b", "temporary directory for creating the distribution"), ( "plat-name=", "p", "platform name to embed in generated filenames " "(default: %s)" % get_platform(None), ), ( "keep-temp", "k", "keep the pseudo-installation tree around after " + "creating the distribution archive", ), ("dist-dir=", "d", "directory to put final built distributions in"), ("skip-build", None, "skip rebuilding everything (for testing/debugging)"), ( "relative", None, "build the archive using relative paths " "(default: false)", ), ( "owner=", "u", "Owner name used when creating a tar file" " [default: current user]", ), ( "group=", "g", "Group name used when creating a tar file" " [default: current group]", ), ("universal", None, "make a universal wheel" " (default: false)"), ( "compression=", None, "zipfile compression (one of: {})" " (default: 'deflated')".format(", ".join(supported_compressions)), ), ( "python-tag=", None, "Python implementation compatibility tag" " (default: '%s')" % (python_tag()), ), ( "build-number=", None, "Build number for this particular version. " "As specified in PEP-0427, this must start with a digit. " "[default: None]", ), ( "py-limited-api=", None, "Python tag (cp32|cp33|cpNN) for abi3 wheel tag" " (default: false)", ), ] boolean_options = ["keep-temp", "skip-build", "relative", "universal"] def initialize_options(self): self.bdist_dir = None self.data_dir = None self.plat_name = None self.plat_tag = None self.format = "zip" self.keep_temp = False self.dist_dir = None self.egginfo_dir = None self.root_is_pure = None self.skip_build = None self.relative = False self.owner = None self.group = None self.universal = False self.compression = "deflated" self.python_tag = python_tag() self.build_number = None self.py_limited_api = False self.plat_name_supplied = False def finalize_options(self): if self.bdist_dir is None: bdist_base = self.get_finalized_command("bdist").bdist_base self.bdist_dir = os.path.join(bdist_base, "wheel") self.data_dir = self.wheel_dist_name + ".data" self.plat_name_supplied = self.plat_name is not None try: self.compression = self.supported_compressions[self.compression] except KeyError: raise ValueError(f"Unsupported compression: {self.compression}") need_options = ("dist_dir", "plat_name", "skip_build") self.set_undefined_options("bdist", *zip(need_options, need_options)) self.root_is_pure = not ( self.distribution.has_ext_modules() or self.distribution.has_c_libraries() ) if self.py_limited_api and not re.match( PY_LIMITED_API_PATTERN, self.py_limited_api ): raise ValueError("py-limited-api must match '%s'" % PY_LIMITED_API_PATTERN) # Support legacy [wheel] section for setting universal wheel = self.distribution.get_option_dict("wheel") if "universal" in wheel: # please don't define this in your global configs log.warning( "The [wheel] section is deprecated. Use [bdist_wheel] instead.", ) val = wheel["universal"][1].strip() if val.lower() in ("1", "true", "yes"): self.universal = True if self.build_number is not None and not self.build_number[:1].isdigit(): raise ValueError("Build tag (build-number) must start with a digit.") @property def wheel_dist_name(self): """Return distribution full name with - replaced with _""" components = ( safer_name(self.distribution.get_name()), safer_version(self.distribution.get_version()), ) if self.build_number: components += (self.build_number,) return "-".join(components) def get_tag(self): # bdist sets self.plat_name if unset, we should only use it for purepy # wheels if the user supplied it. if self.plat_name_supplied: plat_name = self.plat_name elif self.root_is_pure: plat_name = "any" else: # macosx contains system version in platform name so need special handle if self.plat_name and not self.plat_name.startswith("macosx"): plat_name = self.plat_name else: # on macosx always limit the platform name to comply with any # c-extension modules in bdist_dir, since the user can specify # a higher MACOSX_DEPLOYMENT_TARGET via tools like CMake # on other platforms, and on macosx if there are no c-extension # modules, use the default platform name. plat_name = get_platform(self.bdist_dir) if ( plat_name in ("linux-x86_64", "linux_x86_64") and sys.maxsize == 2147483647 ): plat_name = "linux_i686" plat_name = plat_name.lower().replace("-", "_").replace(".", "_") if self.root_is_pure: if self.universal: impl = "py2.py3" else: impl = self.python_tag tag = (impl, "none", plat_name) else: impl_name = tags.interpreter_name() impl_ver = tags.interpreter_version() impl = impl_name + impl_ver # We don't work on CPython 3.1, 3.0. if self.py_limited_api and (impl_name + impl_ver).startswith("cp3"): impl = self.py_limited_api abi_tag = "abi3" else: abi_tag = str(get_abi_tag()).lower() tag = (impl, abi_tag, plat_name) # issue gh-374: allow overriding plat_name supported_tags = [ (t.interpreter, t.abi, plat_name) for t in tags.sys_tags() ] assert ( tag in supported_tags ), f"would build wheel with unsupported tag {tag}" return tag def run(self): build_scripts = self.reinitialize_command("build_scripts") build_scripts.executable = "python" build_scripts.force = True build_ext = self.reinitialize_command("build_ext") build_ext.inplace = False if not self.skip_build: self.run_command("build") install = self.reinitialize_command("install", reinit_subcommands=True) install.root = self.bdist_dir install.compile = False install.skip_build = self.skip_build install.warn_dir = False # A wheel without setuptools scripts is more cross-platform. # Use the (undocumented) `no_ep` option to setuptools' # install_scripts command to avoid creating entry point scripts. install_scripts = self.reinitialize_command("install_scripts") install_scripts.no_ep = True # Use a custom scheme for the archive, because we have to decide # at installation time which scheme to use. for key in ("headers", "scripts", "data", "purelib", "platlib"): setattr(install, "install_" + key, os.path.join(self.data_dir, key)) basedir_observed = "" if os.name == "nt": # win32 barfs if any of these are ''; could be '.'? # (distutils.command.install:change_roots bug) basedir_observed = os.path.normpath(os.path.join(self.data_dir, "..")) self.install_libbase = self.install_lib = basedir_observed setattr( install, "install_purelib" if self.root_is_pure else "install_platlib", basedir_observed, ) log.info(f"installing to {self.bdist_dir}") self.run_command("install") impl_tag, abi_tag, plat_tag = self.get_tag() archive_basename = f"{self.wheel_dist_name}-{impl_tag}-{abi_tag}-{plat_tag}" if not self.relative: archive_root = self.bdist_dir else: archive_root = os.path.join( self.bdist_dir, self._ensure_relative(install.install_base) ) self.set_undefined_options("install_egg_info", ("target", "egginfo_dir")) distinfo_dirname = "{}-{}.dist-info".format( safer_name(self.distribution.get_name()), safer_version(self.distribution.get_version()), ) distinfo_dir = os.path.join(self.bdist_dir, distinfo_dirname) self.egg2dist(self.egginfo_dir, distinfo_dir) self.write_wheelfile(distinfo_dir) # Make the archive if not os.path.exists(self.dist_dir): os.makedirs(self.dist_dir) wheel_path = os.path.join(self.dist_dir, archive_basename + ".whl") with WheelFile(wheel_path, "w", self.compression) as wf: wf.write_files(archive_root) # Add to 'Distribution.dist_files' so that the "upload" command works getattr(self.distribution, "dist_files", []).append( ( "bdist_wheel", "{}.{}".format(*sys.version_info[:2]), # like 3.7 wheel_path, ) ) if not self.keep_temp: log.info(f"removing {self.bdist_dir}") if not self.dry_run: rmtree(self.bdist_dir, onerror=remove_readonly) def write_wheelfile( self, wheelfile_base, generator="bdist_wheel (" + wheel_version + ")" ): from email.message import Message msg = Message() msg["Wheel-Version"] = "1.0" # of the spec msg["Generator"] = generator msg["Root-Is-Purelib"] = str(self.root_is_pure).lower() if self.build_number is not None: msg["Build"] = self.build_number # Doesn't work for bdist_wininst impl_tag, abi_tag, plat_tag = self.get_tag() for impl in impl_tag.split("."): for abi in abi_tag.split("."): for plat in plat_tag.split("."): msg["Tag"] = "-".join((impl, abi, plat)) wheelfile_path = os.path.join(wheelfile_base, "WHEEL") log.info(f"creating {wheelfile_path}") buffer = BytesIO() BytesGenerator(buffer, maxheaderlen=0).flatten(msg) with open(wheelfile_path, "wb") as f: f.write(buffer.getvalue().replace(b"\r\n", b"\r")) def _ensure_relative(self, path): # copied from dir_util, deleted drive, path = os.path.splitdrive(path) if path[0:1] == os.sep: path = drive + path[1:] return path @property def license_paths(self): if setuptools_major_version >= 57: # Setuptools has resolved any patterns to actual file names return self.distribution.metadata.license_files or () files = set() metadata = self.distribution.get_option_dict("metadata") if setuptools_major_version >= 42: # Setuptools recognizes the license_files option but does not do globbing patterns = self.distribution.metadata.license_files else: # Prior to those, wheel is entirely responsible for handling license files if "license_files" in metadata: patterns = metadata["license_files"][1].split() else: patterns = () if "license_file" in metadata: warnings.warn( 'The "license_file" option is deprecated. Use "license_files" instead.', DeprecationWarning, ) files.add(metadata["license_file"][1]) if not files and not patterns and not isinstance(patterns, list): patterns = ("LICEN[CS]E*", "COPYING*", "NOTICE*", "AUTHORS*") for pattern in patterns: for path in iglob(pattern): if path.endswith("~"): log.debug( f'ignoring license file "{path}" as it looks like a backup' ) continue if path not in files and os.path.isfile(path): log.info( f'adding license file "{path}" (matched pattern "{pattern}")' ) files.add(path) return files def egg2dist(self, egginfo_path, distinfo_path): """Convert an .egg-info directory into a .dist-info directory""" def adios(p): """Appropriately delete directory, file or link.""" if os.path.exists(p) and not os.path.islink(p) and os.path.isdir(p): shutil.rmtree(p) elif os.path.exists(p): os.unlink(p) adios(distinfo_path) if not os.path.exists(egginfo_path): # There is no egg-info. This is probably because the egg-info # file/directory is not named matching the distribution name used # to name the archive file. Check for this case and report # accordingly. import glob pat = os.path.join(os.path.dirname(egginfo_path), "*.egg-info") possible = glob.glob(pat) err = f"Egg metadata expected at {egginfo_path} but not found" if possible: alt = os.path.basename(possible[0]) err += f" ({alt} found - possible misnamed archive file?)" raise ValueError(err) if os.path.isfile(egginfo_path): # .egg-info is a single file pkginfo_path = egginfo_path pkg_info = pkginfo_to_metadata(egginfo_path, egginfo_path) os.mkdir(distinfo_path) else: # .egg-info is a directory pkginfo_path = os.path.join(egginfo_path, "PKG-INFO") pkg_info = pkginfo_to_metadata(egginfo_path, pkginfo_path) # ignore common egg metadata that is useless to wheel shutil.copytree( egginfo_path, distinfo_path, ignore=lambda x, y: { "PKG-INFO", "requires.txt", "SOURCES.txt", "not-zip-safe", }, ) # delete dependency_links if it is only whitespace dependency_links_path = os.path.join(distinfo_path, "dependency_links.txt") with open(dependency_links_path) as dependency_links_file: dependency_links = dependency_links_file.read().strip() if not dependency_links: adios(dependency_links_path) pkg_info_path = os.path.join(distinfo_path, "METADATA") serialization_policy = EmailPolicy( utf8=True, mangle_from_=False, max_line_length=0, ) with open(pkg_info_path, "w", encoding="utf-8") as out: Generator(out, policy=serialization_policy).flatten(pkg_info) for license_path in self.license_paths: filename = os.path.basename(license_path) shutil.copy(license_path, os.path.join(distinfo_path, filename)) adios(egginfo_path)