diff options
Diffstat (limited to '.venv/lib/python3.12/site-packages/setuptools/_distutils/command/build_py.py')
| -rw-r--r-- | .venv/lib/python3.12/site-packages/setuptools/_distutils/command/build_py.py | 407 |
1 files changed, 407 insertions, 0 deletions
diff --git a/.venv/lib/python3.12/site-packages/setuptools/_distutils/command/build_py.py b/.venv/lib/python3.12/site-packages/setuptools/_distutils/command/build_py.py new file mode 100644 index 00000000..a20b076f --- /dev/null +++ b/.venv/lib/python3.12/site-packages/setuptools/_distutils/command/build_py.py @@ -0,0 +1,407 @@ +"""distutils.command.build_py + +Implements the Distutils 'build_py' command.""" + +import glob +import importlib.util +import os +import sys +from distutils._log import log +from typing import ClassVar + +from ..core import Command +from ..errors import DistutilsFileError, DistutilsOptionError +from ..util import convert_path + + +class build_py(Command): + description = "\"build\" pure Python modules (copy to build directory)" + + user_options = [ + ('build-lib=', 'd', "directory to \"build\" (copy) to"), + ('compile', 'c', "compile .py to .pyc"), + ('no-compile', None, "don't compile .py files [default]"), + ( + 'optimize=', + 'O', + "also compile with optimization: -O1 for \"python -O\", " + "-O2 for \"python -OO\", and -O0 to disable [default: -O0]", + ), + ('force', 'f', "forcibly build everything (ignore file timestamps)"), + ] + + boolean_options: ClassVar[list[str]] = ['compile', 'force'] + negative_opt: ClassVar[dict[str, str]] = {'no-compile': 'compile'} + + def initialize_options(self): + self.build_lib = None + self.py_modules = None + self.package = None + self.package_data = None + self.package_dir = None + self.compile = False + self.optimize = 0 + self.force = None + + def finalize_options(self) -> None: + self.set_undefined_options( + 'build', ('build_lib', 'build_lib'), ('force', 'force') + ) + + # Get the distribution options that are aliases for build_py + # options -- list of packages and list of modules. + self.packages = self.distribution.packages + self.py_modules = self.distribution.py_modules + self.package_data = self.distribution.package_data + self.package_dir = {} + if self.distribution.package_dir: + for name, path in self.distribution.package_dir.items(): + self.package_dir[name] = convert_path(path) + self.data_files = self.get_data_files() + + # Ick, copied straight from install_lib.py (fancy_getopt needs a + # type system! Hell, *everything* needs a type system!!!) + if not isinstance(self.optimize, int): + try: + self.optimize = int(self.optimize) + assert 0 <= self.optimize <= 2 + except (ValueError, AssertionError): + raise DistutilsOptionError("optimize must be 0, 1, or 2") + + def run(self) -> None: + # XXX copy_file by default preserves atime and mtime. IMHO this is + # the right thing to do, but perhaps it should be an option -- in + # particular, a site administrator might want installed files to + # reflect the time of installation rather than the last + # modification time before the installed release. + + # XXX copy_file by default preserves mode, which appears to be the + # wrong thing to do: if a file is read-only in the working + # directory, we want it to be installed read/write so that the next + # installation of the same module distribution can overwrite it + # without problems. (This might be a Unix-specific issue.) Thus + # we turn off 'preserve_mode' when copying to the build directory, + # since the build directory is supposed to be exactly what the + # installation will look like (ie. we preserve mode when + # installing). + + # Two options control which modules will be installed: 'packages' + # and 'py_modules'. The former lets us work with whole packages, not + # specifying individual modules at all; the latter is for + # specifying modules one-at-a-time. + + if self.py_modules: + self.build_modules() + if self.packages: + self.build_packages() + self.build_package_data() + + self.byte_compile(self.get_outputs(include_bytecode=False)) + + def get_data_files(self): + """Generate list of '(package,src_dir,build_dir,filenames)' tuples""" + data = [] + if not self.packages: + return data + for package in self.packages: + # 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('.'))) + + # Length of path to strip from found files + plen = 0 + if src_dir: + plen = len(src_dir) + 1 + + # Strip directory from globbed filenames + filenames = [file[plen:] for file in self.find_data_files(package, src_dir)] + data.append((package, src_dir, build_dir, filenames)) + return data + + def find_data_files(self, package, src_dir): + """Return filenames for package's data files in 'src_dir'""" + globs = self.package_data.get('', []) + self.package_data.get(package, []) + files = [] + for pattern in globs: + # Each pattern has to be converted to a platform-specific path + filelist = glob.glob( + os.path.join(glob.escape(src_dir), convert_path(pattern)) + ) + # Files that match more than one pattern are only added once + files.extend([ + fn for fn in filelist if fn not in files and os.path.isfile(fn) + ]) + return files + + def build_package_data(self) -> None: + """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)) + self.copy_file( + os.path.join(src_dir, filename), target, preserve_mode=False + ) + + def get_package_dir(self, package): + """Return the directory, relative to the top of the source + distribution, where package 'package' should be found + (at least according to the 'package_dir' option, if any).""" + path = package.split('.') + + if not self.package_dir: + if path: + return os.path.join(*path) + else: + return '' + else: + tail = [] + while path: + try: + pdir = self.package_dir['.'.join(path)] + except KeyError: + tail.insert(0, path[-1]) + del path[-1] + else: + tail.insert(0, pdir) + return os.path.join(*tail) + else: + # Oops, got all the way through 'path' without finding a + # match in package_dir. If package_dir defines a directory + # for the root (nameless) package, then fallback on it; + # otherwise, we might as well have not consulted + # package_dir at all, as we just use the directory implied + # by 'tail' (which should be the same as the original value + # of 'path' at this point). + pdir = self.package_dir.get('') + if pdir is not None: + tail.insert(0, pdir) + + if tail: + return os.path.join(*tail) + else: + return '' + + def check_package(self, package, package_dir): + # Empty dir name means current directory, which we can probably + # assume exists. Also, os.path.exists and isdir don't know about + # my "empty string means current dir" convention, so we have to + # circumvent them. + if package_dir != "": + if not os.path.exists(package_dir): + raise DistutilsFileError( + f"package directory '{package_dir}' does not exist" + ) + if not os.path.isdir(package_dir): + raise DistutilsFileError( + f"supposed package directory '{package_dir}' exists, " + "but is not a directory" + ) + + # Directories without __init__.py are namespace packages (PEP 420). + if package: + init_py = os.path.join(package_dir, "__init__.py") + if os.path.isfile(init_py): + return init_py + + # Either not in a package at all (__init__.py not expected), or + # __init__.py doesn't exist -- so don't return the filename. + return None + + def check_module(self, module, module_file): + if not os.path.isfile(module_file): + log.warning("file %s (for module %s) not found", module_file, module) + return False + else: + return True + + def find_package_modules(self, package, package_dir): + self.check_package(package, package_dir) + module_files = glob.glob(os.path.join(glob.escape(package_dir), "*.py")) + modules = [] + setup_script = os.path.abspath(self.distribution.script_name) + + for f in module_files: + abs_f = os.path.abspath(f) + if abs_f != setup_script: + module = os.path.splitext(os.path.basename(f))[0] + modules.append((package, module, f)) + else: + self.debug_print(f"excluding {setup_script}") + return modules + + def find_modules(self): + """Finds individually-specified Python modules, ie. those listed by + module name in 'self.py_modules'. Returns a list of tuples (package, + module_base, filename): 'package' is a tuple of the path through + package-space to the module; 'module_base' is the bare (no + packages, no dots) module name, and 'filename' is the path to the + ".py" file (relative to the distribution root) that implements the + module. + """ + # Map package names to tuples of useful info about the package: + # (package_dir, checked) + # package_dir - the directory where we'll find source files for + # this package + # checked - true if we have checked that the package directory + # is valid (exists, contains __init__.py, ... ?) + packages = {} + + # List of (package, module, filename) tuples to return + modules = [] + + # We treat modules-in-packages almost the same as toplevel modules, + # just the "package" for a toplevel is empty (either an empty + # string or empty list, depending on context). Differences: + # - don't check for __init__.py in directory for empty package + for module in self.py_modules: + path = module.split('.') + package = '.'.join(path[0:-1]) + module_base = path[-1] + + try: + (package_dir, checked) = packages[package] + except KeyError: + package_dir = self.get_package_dir(package) + checked = False + + if not checked: + init_py = self.check_package(package, package_dir) + packages[package] = (package_dir, 1) + if init_py: + modules.append((package, "__init__", init_py)) + + # XXX perhaps we should also check for just .pyc files + # (so greedy closed-source bastards can distribute Python + # modules too) + module_file = os.path.join(package_dir, module_base + ".py") + if not self.check_module(module, module_file): + continue + + modules.append((package, module_base, module_file)) + + return modules + + def find_all_modules(self): + """Compute the list of all modules that will be built, whether + they are specified one-module-at-a-time ('self.py_modules') or + by whole packages ('self.packages'). Return a list of tuples + (package, module, module_file), just like 'find_modules()' and + 'find_package_modules()' do.""" + modules = [] + if self.py_modules: + modules.extend(self.find_modules()) + if self.packages: + for package in self.packages: + package_dir = self.get_package_dir(package) + m = self.find_package_modules(package, package_dir) + modules.extend(m) + return modules + + def get_source_files(self): + return [module[-1] for module in self.find_all_modules()] + + def get_module_outfile(self, build_dir, package, module): + outfile_path = [build_dir] + list(package) + [module + ".py"] + return os.path.join(*outfile_path) + + def get_outputs(self, include_bytecode: bool = True) -> list[str]: + modules = self.find_all_modules() + outputs = [] + for package, module, _module_file in modules: + package = package.split('.') + filename = self.get_module_outfile(self.build_lib, package, module) + outputs.append(filename) + if include_bytecode: + if self.compile: + outputs.append( + importlib.util.cache_from_source(filename, optimization='') + ) + if self.optimize > 0: + outputs.append( + importlib.util.cache_from_source( + filename, optimization=self.optimize + ) + ) + + outputs += [ + os.path.join(build_dir, filename) + for package, src_dir, build_dir, filenames in self.data_files + for filename in filenames + ] + + return outputs + + def build_module(self, module, module_file, package): + if isinstance(package, str): + package = package.split('.') + elif not isinstance(package, (list, tuple)): + raise TypeError( + "'package' must be a string (dot-separated), list, or tuple" + ) + + # Now put the module source file into the "build" area -- this is + # easy, we just copy it somewhere under self.build_lib (the build + # directory for Python source). + outfile = self.get_module_outfile(self.build_lib, package, module) + dir = os.path.dirname(outfile) + self.mkpath(dir) + return self.copy_file(module_file, outfile, preserve_mode=False) + + def build_modules(self) -> None: + modules = self.find_modules() + for package, module, module_file in modules: + # Now "build" the module -- ie. copy the source file to + # self.build_lib (the build directory for Python source). + # (Actually, it gets copied to the directory for this package + # under self.build_lib.) + self.build_module(module, module_file, package) + + def build_packages(self) -> None: + for package in self.packages: + # Get list of (package, module, module_file) tuples based on + # scanning the package directory. 'package' is only included + # in the tuple so that 'find_modules()' and + # 'find_package_tuples()' have a consistent interface; it's + # ignored here (apart from a sanity check). Also, 'module' is + # the *unqualified* module name (ie. no dots, no package -- we + # already know its package!), and 'module_file' is the path to + # the .py file, relative to the current directory + # (ie. including 'package_dir'). + package_dir = self.get_package_dir(package) + modules = self.find_package_modules(package, package_dir) + + # Now loop over the modules we found, "building" each one (just + # copy it to self.build_lib). + for package_, module, module_file in modules: + assert package == package_ + self.build_module(module, module_file, package) + + def byte_compile(self, files) -> None: + if sys.dont_write_bytecode: + self.warn('byte-compiling is disabled, skipping.') + return + + from ..util import byte_compile + + prefix = self.build_lib + if prefix[-1] != os.sep: + prefix = prefix + os.sep + + # XXX this code is essentially the same as the 'byte_compile() + # method of the "install_lib" command, except for the determination + # of the 'prefix' string. Hmmm. + if self.compile: + byte_compile( + files, optimize=0, force=self.force, prefix=prefix, dry_run=self.dry_run + ) + if self.optimize > 0: + byte_compile( + files, + optimize=self.optimize, + force=self.force, + prefix=prefix, + dry_run=self.dry_run, + ) |