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egg_info.py
"""setuptools.command.egg_info Create a distribution's .egg-info directory and contents""" from distutils.filelist import FileList as _FileList from distutils.errors import DistutilsInternalError from distutils.util import convert_path from distutils import log import distutils.errors import distutils.filelist import functools import os import re import sys import io import time import collections from .._importlib import metadata from .. import _entry_points, _normalization from setuptools import Command from setuptools.command.sdist import sdist from setuptools.command.sdist import walk_revctrl from setuptools.command.setopt import edit_config from setuptools.command import bdist_egg import setuptools.unicode_utils as unicode_utils from setuptools.glob import glob from setuptools.extern import packaging from setuptools.extern.jaraco.text import yield_lines from ..warnings import SetuptoolsDeprecationWarning PY_MAJOR = '{}.{}'.format(*sys.version_info) def translate_pattern(glob): # noqa: C901 # is too complex (14) # FIXME """ Translate a file path glob like '*.txt' in to a regular expression. This differs from fnmatch.translate which allows wildcards to match directory separators. It also knows about '**/' which matches any number of directories. """ pat = '' # This will split on '/' within [character classes]. This is deliberate. chunks = glob.split(os.path.sep) sep = re.escape(os.sep) valid_char = '[^%s]' % (sep,) for c, chunk in enumerate(chunks): last_chunk = c == len(chunks) - 1 # Chunks that are a literal ** are globstars. They match anything. if chunk == '**': if last_chunk: # Match anything if this is the last component pat += '.*' else: # Match '(name/)*' pat += '(?:%s+%s)*' % (valid_char, sep) continue # Break here as the whole path component has been handled # Find any special characters in the remainder i = 0 chunk_len = len(chunk) while i < chunk_len: char = chunk[i] if char == '*': # Match any number of name characters pat += valid_char + '*' elif char == '?': # Match a name character pat += valid_char elif char == '[': # Character class inner_i = i + 1 # Skip initial !/] chars if inner_i < chunk_len and chunk[inner_i] == '!': inner_i = inner_i + 1 if inner_i < chunk_len and chunk[inner_i] == ']': inner_i = inner_i + 1 # Loop till the closing ] is found while inner_i < chunk_len and chunk[inner_i] != ']': inner_i = inner_i + 1 if inner_i >= chunk_len: # Got to the end of the string without finding a closing ] # Do not treat this as a matching group, but as a literal [ pat += re.escape(char) else: # Grab the insides of the [brackets] inner = chunk[i + 1 : inner_i] char_class = '' # Class negation if inner[0] == '!': char_class = '^' inner = inner[1:] char_class += re.escape(inner) pat += '[%s]' % (char_class,) # Skip to the end ] i = inner_i else: pat += re.escape(char) i += 1 # Join each chunk with the dir separator if not last_chunk: pat += sep pat += r'\Z' return re.compile(pat, flags=re.MULTILINE | re.DOTALL) class InfoCommon: tag_build = None tag_date = None @property def name(self): return _normalization.safe_name(self.distribution.get_name()) def tagged_version(self): tagged = self._maybe_tag(self.distribution.get_version()) return _normalization.best_effort_version(tagged) def _maybe_tag(self, version): """ egg_info may be called more than once for a distribution, in which case the version string already contains all tags. """ return ( version if self.vtags and self._already_tagged(version) else version + self.vtags ) def _already_tagged(self, version: str) -> bool: # Depending on their format, tags may change with version normalization. # So in addition the regular tags, we have to search for the normalized ones. return version.endswith(self.vtags) or version.endswith(self._safe_tags()) def _safe_tags(self) -> str: # To implement this we can rely on `safe_version` pretending to be version 0 # followed by tags. Then we simply discard the starting 0 (fake version number) return _normalization.best_effort_version(f"0{self.vtags}")[1:] def tags(self) -> str: version = '' if self.tag_build: version += self.tag_build if self.tag_date: version += time.strftime("%Y%m%d") return version vtags = property(tags) class egg_info(InfoCommon, Command): description = "create a distribution's .egg-info directory" user_options = [ ( 'egg-base=', 'e', "directory containing .egg-info directories" " (default: top of the source tree)", ), ('tag-date', 'd', "Add date stamp (e.g. 20050528) to version number"), ('tag-build=', 'b', "Specify explicit tag to add to version number"), ('no-date', 'D', "Don't include date stamp [default]"), ] boolean_options = ['tag-date'] negative_opt = { 'no-date': 'tag-date', } def initialize_options(self): self.egg_base = None self.egg_name = None self.egg_info = None self.egg_version = None self.ignore_egg_info_in_manifest = False #################################### # allow the 'tag_svn_revision' to be detected and # set, supporting sdists built on older Setuptools. @property def tag_svn_revision(self): pass @tag_svn_revision.setter def tag_svn_revision(self, value): pass #################################### def save_version_info(self, filename): """ Materialize the value of date into the build tag. Install build keys in a deterministic order to avoid arbitrary reordering on subsequent builds. """ egg_info = collections.OrderedDict() # follow the order these keys would have been added # when PYTHONHASHSEED=0 egg_info['tag_build'] = self.tags() egg_info['tag_date'] = 0 edit_config(filename, dict(egg_info=egg_info)) def finalize_options(self): # Note: we need to capture the current value returned # by `self.tagged_version()`, so we can later update # `self.distribution.metadata.version` without # repercussions. self.egg_name = self.name self.egg_version = self.tagged_version() parsed_version = packaging.version.Version(self.egg_version) try: is_version = isinstance(parsed_version, packaging.version.Version) spec = "%s==%s" if is_version else "%s===%s" packaging.requirements.Requirement(spec % (self.egg_name, self.egg_version)) except ValueError as e: raise distutils.errors.DistutilsOptionError( "Invalid distribution name or version syntax: %s-%s" % (self.egg_name, self.egg_version) ) from e if self.egg_base is None: dirs = self.distribution.package_dir self.egg_base = (dirs or {}).get('', os.curdir) self.ensure_dirname('egg_base') self.egg_info = _normalization.filename_component(self.egg_name) + '.egg-info' if self.egg_base != os.curdir: self.egg_info = os.path.join(self.egg_base, self.egg_info) # Set package version for the benefit of dumber commands # (e.g. sdist, bdist_wininst, etc.) # self.distribution.metadata.version = self.egg_version # If we bootstrapped around the lack of a PKG-INFO, as might be the # case in a fresh checkout, make sure that any special tags get added # to the version info # pd = self.distribution._patched_dist key = getattr(pd, "key", None) or getattr(pd, "name", None) if pd is not None and key == self.egg_name.lower(): pd._version = self.egg_version pd._parsed_version = packaging.version.Version(self.egg_version) self.distribution._patched_dist = None def _get_egg_basename(self, py_version=PY_MAJOR, platform=None): """Compute filename of the output egg. Private API.""" return _egg_basename(self.egg_name, self.egg_version, py_version, platform) def write_or_delete_file(self, what, filename, data, force=False): """Write `data` to `filename` or delete if empty If `data` is non-empty, this routine is the same as ``write_file()``. If `data` is empty but not ``None``, this is the same as calling ``delete_file(filename)`. If `data` is ``None``, then this is a no-op unless `filename` exists, in which case a warning is issued about the orphaned file (if `force` is false), or deleted (if `force` is true). """ if data: self.write_file(what, filename, data) elif os.path.exists(filename): if data is None and not force: log.warn("%s not set in setup(), but %s exists", what, filename) return else: self.delete_file(filename) def write_file(self, what, filename, data): """Write `data` to `filename` (if not a dry run) after announcing it `what` is used in a log message to identify what is being written to the file. """ log.info("writing %s to %s", what, filename) data = data.encode("utf-8") if not self.dry_run: f = open(filename, 'wb') f.write(data) f.close() def delete_file(self, filename): """Delete `filename` (if not a dry run) after announcing it""" log.info("deleting %s", filename) if not self.dry_run: os.unlink(filename) def run(self): self.mkpath(self.egg_info) try: os.utime(self.egg_info, None) except OSError as e: msg = f"Cannot update time stamp of directory '{self.egg_info}'" raise distutils.errors.DistutilsFileError(msg) from e for ep in metadata.entry_points(group='egg_info.writers'): writer = ep.load() writer(self, ep.name, os.path.join(self.egg_info, ep.name)) # Get rid of native_libs.txt if it was put there by older bdist_egg nl = os.path.join(self.egg_info, "native_libs.txt") if os.path.exists(nl): self.delete_file(nl) self.find_sources() def find_sources(self): """Generate SOURCES.txt manifest file""" manifest_filename = os.path.join(self.egg_info, "SOURCES.txt") mm = manifest_maker(self.distribution) mm.ignore_egg_info_dir = self.ignore_egg_info_in_manifest mm.manifest = manifest_filename mm.run() self.filelist = mm.filelist class FileList(_FileList): # Implementations of the various MANIFEST.in commands def __init__(self, warn=None, debug_print=None, ignore_egg_info_dir=False): super().__init__(warn, debug_print) self.ignore_egg_info_dir = ignore_egg_info_dir def process_template_line(self, line): # Parse the line: split it up, make sure the right number of words # is there, and return the relevant words. 'action' is always # defined: it's the first word of the line. Which of the other # three are defined depends on the action; it'll be either # patterns, (dir and patterns), or (dir_pattern). (action, patterns, dir, dir_pattern) = self._parse_template_line(line) action_map = { 'include': self.include, 'exclude': self.exclude, 'global-include': self.global_include, 'global-exclude': self.global_exclude, 'recursive-include': functools.partial( self.recursive_include, dir, ), 'recursive-exclude': functools.partial( self.recursive_exclude, dir, ), 'graft': self.graft, 'prune': self.prune, } log_map = { 'include': "warning: no files found matching '%s'", 'exclude': ("warning: no previously-included files found " "matching '%s'"), 'global-include': ( "warning: no files found matching '%s' " "anywhere in distribution" ), 'global-exclude': ( "warning: no previously-included files matching " "'%s' found anywhere in distribution" ), 'recursive-include': ( "warning: no files found matching '%s' " "under directory '%s'" ), 'recursive-exclude': ( "warning: no previously-included files matching " "'%s' found under directory '%s'" ), 'graft': "warning: no directories found matching '%s'", 'prune': "no previously-included directories found matching '%s'", } try: process_action = action_map[action] except KeyError: raise DistutilsInternalError( "this cannot happen: invalid action '{action!s}'".format(action=action), ) # OK, now we know that the action is valid and we have the # right number of words on the line for that action -- so we # can proceed with minimal error-checking. action_is_recursive = action.startswith('recursive-') if action in {'graft', 'prune'}: patterns = [dir_pattern] extra_log_args = (dir,) if action_is_recursive else () log_tmpl = log_map[action] self.debug_print( ' '.join( [action] + ([dir] if action_is_recursive else []) + patterns, ) ) for pattern in patterns: if not process_action(pattern): log.warn(log_tmpl, pattern, *extra_log_args) def _remove_files(self, predicate): """ Remove all files from the file list that match the predicate. Return True if any matching files were removed """ found = False for i in range(len(self.files) - 1, -1, -1): if predicate(self.files[i]): self.debug_print(" removing " + self.files[i]) del self.files[i] found = True return found def include(self, pattern): """Include files that match 'pattern'.""" found = [f for f in glob(pattern) if not os.path.isdir(f)] self.extend(found) return bool(found) def exclude(self, pattern): """Exclude files that match 'pattern'.""" match = translate_pattern(pattern) return self._remove_files(match.match) def recursive_include(self, dir, pattern): """ Include all files anywhere in 'dir/' that match the pattern. """ full_pattern = os.path.join(dir, '**', pattern) found = [f for f in glob(full_pattern, recursive=True) if not os.path.isdir(f)] self.extend(found) return bool(found) def recursive_exclude(self, dir, pattern): """ Exclude any file anywhere in 'dir/' that match the pattern. """ match = translate_pattern(os.path.join(dir, '**', pattern)) return self._remove_files(match.match) def graft(self, dir): """Include all files from 'dir/'.""" found = [ item for match_dir in glob(dir) for item in distutils.filelist.findall(match_dir) ] self.extend(found) return bool(found) def prune(self, dir): """Filter out files from 'dir/'.""" match = translate_pattern(os.path.join(dir, '**')) return self._remove_files(match.match) def global_include(self, pattern): """ Include all files anywhere in the current directory that match the pattern. This is very inefficient on large file trees. """ if self.allfiles is None: self.findall() match = translate_pattern(os.path.join('**', pattern)) found = [f for f in self.allfiles if match.match(f)] self.extend(found) return bool(found) def global_exclude(self, pattern): """ Exclude all files anywhere that match the pattern. """ match = translate_pattern(os.path.join('**', pattern)) return self._remove_files(match.match) def append(self, item): if item.endswith('\r'): # Fix older sdists built on Windows item = item[:-1] path = convert_path(item) if self._safe_path(path): self.files.append(path) def extend(self, paths): self.files.extend(filter(self._safe_path, paths)) def _repair(self): """ Replace self.files with only safe paths Because some owners of FileList manipulate the underlying ``files`` attribute directly, this method must be called to repair those paths. """ self.files = list(filter(self._safe_path, self.files)) def _safe_path(self, path): enc_warn = "'%s' not %s encodable -- skipping" # To avoid accidental trans-codings errors, first to unicode u_path = unicode_utils.filesys_decode(path) if u_path is None: log.warn("'%s' in unexpected encoding -- skipping" % path) return False # Must ensure utf-8 encodability utf8_path = unicode_utils.try_encode(u_path, "utf-8") if utf8_path is None: log.warn(enc_warn, path, 'utf-8') return False try: # ignore egg-info paths is_egg_info = ".egg-info" in u_path or b".egg-info" in utf8_path if self.ignore_egg_info_dir and is_egg_info: return False # accept is either way checks out if os.path.exists(u_path) or os.path.exists(utf8_path): return True # this will catch any encode errors decoding u_path except UnicodeEncodeError: log.warn(enc_warn, path, sys.getfilesystemencoding()) class manifest_maker(sdist): template = "MANIFEST.in" def initialize_options(self): self.use_defaults = 1 self.prune = 1 self.manifest_only = 1 self.force_manifest = 1 self.ignore_egg_info_dir = False def finalize_options(self): pass def run(self): self.filelist = FileList(ignore_egg_info_dir=self.ignore_egg_info_dir) if not os.path.exists(self.manifest): self.write_manifest() # it must exist so it'll get in the list self.add_defaults() if os.path.exists(self.template): self.read_template() self.add_license_files() self._add_referenced_files() self.prune_file_list() self.filelist.sort() self.filelist.remove_duplicates() self.write_manifest() def _manifest_normalize(self, path): path = unicode_utils.filesys_decode(path) return path.replace(os.sep, '/') def write_manifest(self): """ Write the file list in 'self.filelist' to the manifest file named by 'self.manifest'. """ self.filelist._repair() # Now _repairs should encodability, but not unicode files = [self._manifest_normalize(f) for f in self.filelist.files] msg = "writing manifest file '%s'" % self.manifest self.execute(write_file, (self.manifest, files), msg) def warn(self, msg): if not self._should_suppress_warning(msg): sdist.warn(self, msg) @staticmethod def _should_suppress_warning(msg): """ suppress missing-file warnings from sdist """ return re.match(r"standard file .*not found", msg) def add_defaults(self): sdist.add_defaults(self) self.filelist.append(self.template) self.filelist.append(self.manifest) rcfiles = list(walk_revctrl()) if rcfiles: self.filelist.extend(rcfiles) elif os.path.exists(self.manifest): self.read_manifest() if os.path.exists("setup.py"): # setup.py should be included by default, even if it's not # the script called to create the sdist self.filelist.append("setup.py") ei_cmd = self.get_finalized_command('egg_info') self.filelist.graft(ei_cmd.egg_info) def add_license_files(self): license_files = self.distribution.metadata.license_files or [] for lf in license_files: log.info("adding license file '%s'", lf) self.filelist.extend(license_files) def _add_referenced_files(self): """Add files referenced by the config (e.g. `file:` directive) to filelist""" referenced = getattr(self.distribution, '_referenced_files', []) # ^-- fallback if dist comes from distutils or is a custom class for rf in referenced: log.debug("adding file referenced by config '%s'", rf) self.filelist.extend(referenced) def prune_file_list(self): build = self.get_finalized_command('build') base_dir = self.distribution.get_fullname() self.filelist.prune(build.build_base) self.filelist.prune(base_dir) sep = re.escape(os.sep) self.filelist.exclude_pattern( r'(^|' + sep + r')(RCS|CVS|\.svn)' + sep, is_regex=1 ) def _safe_data_files(self, build_py): """ The parent class implementation of this method (``sdist``) will try to include data files, which might cause recursion problems when ``include_package_data=True``. Therefore, avoid triggering any attempt of analyzing/building the manifest again. """ if hasattr(build_py, 'get_data_files_without_manifest'): return build_py.get_data_files_without_manifest() SetuptoolsDeprecationWarning.emit( "`build_py` command does not inherit from setuptools' `build_py`.", """ Custom 'build_py' does not implement 'get_data_files_without_manifest'. Please extend command classes from setuptools instead of distutils. """, see_url="https://peps.python.org/pep-0632/", # due_date not defined yet, old projects might still do it? ) return build_py.get_data_files() def write_file(filename, contents): """Create a file with the specified name and write 'contents' (a sequence of strings without line terminators) to it. """ contents = "\n".join(contents) # assuming the contents has been vetted for utf-8 encoding contents = contents.encode("utf-8") with open(filename, "wb") as f: # always write POSIX-style manifest f.write(contents) def write_pkg_info(cmd, basename, filename): log.info("writing %s", filename) if not cmd.dry_run: metadata = cmd.distribution.metadata metadata.version, oldver = cmd.egg_version, metadata.version metadata.name, oldname = cmd.egg_name, metadata.name try: # write unescaped data to PKG-INFO, so older pkg_resources # can still parse it metadata.write_pkg_info(cmd.egg_info) finally: metadata.name, metadata.version = oldname, oldver safe = getattr(cmd.distribution, 'zip_safe', None) bdist_egg.write_safety_flag(cmd.egg_info, safe) def warn_depends_obsolete(cmd, basename, filename): """ Unused: left to avoid errors when updating (from source) from <= 67.8. Old installations have a .dist-info directory with the entry-point ``depends.txt = setuptools.command.egg_info:warn_depends_obsolete``. This may trigger errors when running the first egg_info in build_meta. TODO: Remove this function in a version sufficiently > 68. """ def _write_requirements(stream, reqs): lines = yield_lines(reqs or ()) def append_cr(line): return line + '\n' lines = map(append_cr, sorted(lines)) stream.writelines(lines) def write_requirements(cmd, basename, filename): dist = cmd.distribution data = io.StringIO() _write_requirements(data, dist.install_requires) extras_require = dist.extras_require or {} for extra in sorted(extras_require): data.write('\n[{extra}]\n'.format(**vars())) _write_requirements(data, extras_require[extra]) cmd.write_or_delete_file("requirements", filename, data.getvalue()) def write_setup_requirements(cmd, basename, filename): data = io.StringIO() _write_requirements(data, cmd.distribution.setup_requires) cmd.write_or_delete_file("setup-requirements", filename, data.getvalue()) def write_toplevel_names(cmd, basename, filename): pkgs = dict.fromkeys( [k.split('.', 1)[0] for k in cmd.distribution.iter_distribution_names()] ) cmd.write_file("top-level names", filename, '\n'.join(sorted(pkgs)) + '\n') def overwrite_arg(cmd, basename, filename): write_arg(cmd, basename, filename, True) def write_arg(cmd, basename, filename, force=False): argname = os.path.splitext(basename)[0] value = getattr(cmd.distribution, argname, None) if value is not None: value = '\n'.join(value) + '\n' cmd.write_or_delete_file(argname, filename, value, force) def write_entries(cmd, basename, filename): eps = _entry_points.load(cmd.distribution.entry_points) defn = _entry_points.render(eps) cmd.write_or_delete_file('entry points', filename, defn, True) def _egg_basename(egg_name, egg_version, py_version=None, platform=None): """Compute filename of the output egg. Private API.""" name = _normalization.filename_component(egg_name) version = _normalization.filename_component(egg_version) egg = f"{name}-{version}-py{py_version or PY_MAJOR}" if platform: egg += f"-{platform}" return egg class EggInfoDeprecationWarning(SetuptoolsDeprecationWarning): """Deprecated behavior warning for EggInfo, bypassing suppression."""
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