| from glob import glob |
| from distutils.util import convert_path |
| import distutils.command.build_py as orig |
| import os |
| import fnmatch |
| import textwrap |
| import io |
| import distutils.errors |
| import itertools |
| |
| from setuptools.extern import six |
| from setuptools.extern.six.moves import map, filter, filterfalse |
| |
| try: |
| from setuptools.lib2to3_ex import Mixin2to3 |
| except ImportError: |
| |
| class Mixin2to3: |
| def run_2to3(self, files, doctests=True): |
| "do nothing" |
| |
| |
| class build_py(orig.build_py, Mixin2to3): |
| """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. |
| """ |
| |
| 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 = [] |
| self.__doctests_2to3 = [] |
| |
| def run(self): |
| """Build modules, packages, and copy data files to build directory""" |
| if not self.py_modules and not self.packages: |
| return |
| |
| if self.py_modules: |
| self.build_modules() |
| |
| if self.packages: |
| self.build_packages() |
| self.build_package_data() |
| |
| self.run_2to3(self.__updated_files, False) |
| self.run_2to3(self.__updated_files, True) |
| self.run_2to3(self.__doctests_2to3, True) |
| |
| # 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): |
| if six.PY2 and isinstance(package, six.string_types): |
| # avoid errors on Python 2 when unicode is passed (#190) |
| package = package.split('.') |
| 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_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, |
| ) |
| globs_expanded = map(glob, 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 build_package_data(self): |
| """Copy data files into build directory""" |
| for package, src_dir, build_dir, filenames in self.data_files: |
| for filename in filenames: |
| target = os.path.join(build_dir, filename) |
| self.mkpath(os.path.dirname(target)) |
| srcfile = os.path.join(src_dir, filename) |
| outf, copied = self.copy_file(srcfile, target) |
| srcfile = os.path.abspath(srcfile) |
| if (copied and |
| srcfile in self.distribution.convert_2to3_doctests): |
| self.__doctests_2to3.append(outf) |
| |
| 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 |
| |
| self.run_command('egg_info') |
| ei_cmd = self.get_finalized_command('egg_info') |
| for path in ei_cmd.filelist.files: |
| 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 path.endswith('.py') and f == oldf: |
| continue # it's a module, not data |
| mf.setdefault(src_dirs[d], []).append(path) |
| |
| 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 io.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) |
| |
| 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): |
| """ |
| yield platfrom-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( |
| 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 |
| ) |
| |
| |
| # from Python docs |
| def _unique_everseen(iterable, key=None): |
| "List unique elements, preserving order. Remember all elements ever seen." |
| # unique_everseen('AAAABBBCCDAABBB') --> A B C D |
| # unique_everseen('ABBCcAD', str.lower) --> A B C D |
| seen = set() |
| seen_add = seen.add |
| if key is None: |
| for element in filterfalse(seen.__contains__, iterable): |
| seen_add(element) |
| yield element |
| else: |
| for element in iterable: |
| k = key(element) |
| if k not in seen: |
| seen_add(k) |
| yield element |
| |
| |
| 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) |
