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Diffstat (limited to 'lib/python2.7/distutils/command/build_py.py')
| -rw-r--r-- | lib/python2.7/distutils/command/build_py.py | 393 |
1 files changed, 0 insertions, 393 deletions
diff --git a/lib/python2.7/distutils/command/build_py.py b/lib/python2.7/distutils/command/build_py.py deleted file mode 100644 index 04c455f..0000000 --- a/lib/python2.7/distutils/command/build_py.py +++ /dev/null @@ -1,393 +0,0 @@ -"""distutils.command.build_py - -Implements the Distutils 'build_py' command.""" - -__revision__ = "$Id$" - -import os -import sys -from glob import glob - -from distutils.core import Command -from distutils.errors import DistutilsOptionError, DistutilsFileError -from distutils.util import convert_path -from distutils import log - -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 = ['compile', 'force'] - negative_opt = {'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 = 0 - self.optimize = 0 - self.force = None - - def finalize_options(self): - 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): - # 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=0)) - - 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(os.path.join(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]) - return 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)) - 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( - "package directory '%s' does not exist" % package_dir) - if not os.path.isdir(package_dir): - raise DistutilsFileError( - "supposed package directory '%s' exists, " - "but is not a directory" % package_dir) - - # Require __init__.py for all but the "root package" - if package: - init_py = os.path.join(package_dir, "__init__.py") - if os.path.isfile(init_py): - return init_py - else: - log.warn(("package init file '%s' not found " + - "(or not a regular file)"), 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.warn("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(os.path.join(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("excluding %s" % 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 = 0 - - 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=1): - 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(filename + "c") - if self.optimize > 0: - outputs.append(filename + "o") - - 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=0) - - def build_modules(self): - 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): - 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): - if sys.dont_write_bytecode: - self.warn('byte-compiling is disabled, skipping.') - return - - from distutils.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) |