我们从Python开源项目中，提取了以下50个代码示例，用于说明如何使用distutils.log.warn()。
def archive_context(filename): # extracting the archive tmpdir = tempfile.mkdtemp() log.warn('Extracting in %s', tmpdir) old_wd = os.getcwd() try: os.chdir(tmpdir) with get_zip_class()(filename) as archive: archive.extractall() # going in the directory subdir = os.path.join(tmpdir, os.listdir(tmpdir)[0]) os.chdir(subdir) log.warn('Now working in %s', subdir) yield finally: os.chdir(old_wd) shutil.rmtree(tmpdir)
def download_setuptools(version=DEFAULT_VERSION, download_base=DEFAULT_URL, to_dir=os.curdir, delay=15, downloader_factory=get_best_downloader): """ Download setuptools from a specified location and return its filename `version` should be a valid setuptools version number that is available as an egg for download under the `download_base` URL (which should end with a '/'). `to_dir` is the directory where the egg will be downloaded. `delay` is the number of seconds to pause before an actual download attempt. ``downloader_factory`` should be a function taking no arguments and returning a function for downloading a URL to a target. """ # making sure we use the absolute path to_dir = os.path.abspath(to_dir) zip_name = "setuptools-%s.zip" % version url = download_base + zip_name saveto = os.path.join(to_dir, zip_name) if not os.path.exists(saveto): # Avoid repeated downloads log.warn("Downloading %s", url) downloader = downloader_factory() downloader(url, saveto) return os.path.realpath(saveto)
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 uninstall_link(self): if os.path.exists(self.egg_link): log.info("Removing %s (link to %s)", self.egg_link, self.egg_base) egg_link_file = open(self.egg_link) contents = [line.rstrip() for line in egg_link_file] egg_link_file.close() if contents not in ([self.egg_path], [self.egg_path, self.setup_path]): log.warn("Link points to %s: uninstall aborted", contents) return if not self.dry_run: os.unlink(self.egg_link) if not self.dry_run: self.update_pth(self.dist) # remove any .pth link to us if self.distribution.scripts: # XXX should also check for entry point scripts! log.warn("Note: you must uninstall or replace scripts manually!")
def maybe_move(self, spec, dist_filename, setup_base): dst = os.path.join(self.build_directory, spec.key) if os.path.exists(dst): msg = ( "%r already exists in %s; build directory %s will not be kept" ) log.warn(msg, spec.key, self.build_directory, setup_base) return setup_base if os.path.isdir(dist_filename): setup_base = dist_filename else: if os.path.dirname(dist_filename) == setup_base: os.unlink(dist_filename) # get it out of the tmp dir contents = os.listdir(setup_base) if len(contents) == 1: dist_filename = os.path.join(setup_base, contents[0]) if os.path.isdir(dist_filename): # if the only thing there is a directory, move it instead setup_base = dist_filename ensure_directory(dst) shutil.move(setup_base, dst) return dst
def build_and_install(self, setup_script, setup_base): args = ['bdist_egg', '--dist-dir'] dist_dir = tempfile.mkdtemp( prefix='egg-dist-tmp-', dir=os.path.dirname(setup_script) ) try: self._set_fetcher_options(os.path.dirname(setup_script)) args.append(dist_dir) self.run_setup(setup_script, setup_base, args) all_eggs = Environment([dist_dir]) eggs = [] for key in all_eggs: for dist in all_eggs[key]: eggs.append(self.install_egg(dist.location, setup_base)) if not eggs and not self.dry_run: log.warn("No eggs found in %s (setup script problem?)", dist_dir) return eggs finally: rmtree(dist_dir) log.set_verbosity(self.verbose) # restore our log verbosity
def byte_compile(self, to_compile): if sys.dont_write_bytecode: self.warn('byte-compiling is disabled, skipping.') return from distutils.util import byte_compile try: # try to make the byte compile messages quieter log.set_verbosity(self.verbose - 1) byte_compile(to_compile, optimize=0, force=1, dry_run=self.dry_run) if self.optimize: byte_compile( to_compile, optimize=self.optimize, force=1, dry_run=self.dry_run, ) finally: log.set_verbosity(self.verbose) # restore original verbosity
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)
def remove_tree(directory, verbose=1, dry_run=0): """Recursively remove an entire directory tree. Any errors are ignored (apart from being reported to stdout if 'verbose' is true). """ from distutils.util import grok_environment_error global _path_created if verbose >= 1: log.info("removing '%s' (and everything under it)", directory) if dry_run: return cmdtuples = [] _build_cmdtuple(directory, cmdtuples) for cmd in cmdtuples: try: cmd[0](cmd[1]) # remove dir from cache if it's already there abspath = os.path.abspath(cmd[1]) if abspath in _path_created: del _path_created[abspath] except (IOError, OSError), exc: log.warn(grok_environment_error( exc, "error removing %s: " % directory))
def archive_context(filename): """ Unzip filename to a temporary directory, set to the cwd. The unzipped target is cleaned up after. """ tmpdir = tempfile.mkdtemp() log.warn('Extracting in %s', tmpdir) old_wd = os.getcwd() try: os.chdir(tmpdir) with ContextualZipFile(filename) as archive: archive.extractall() # going in the directory subdir = os.path.join(tmpdir, os.listdir(tmpdir)[0]) os.chdir(subdir) log.warn('Now working in %s', subdir) yield finally: os.chdir(old_wd) shutil.rmtree(tmpdir)
def archive_context(filename): # extracting the archive tmpdir = tempfile.mkdtemp() log.warn('Extracting in %s', tmpdir) old_wd = os.getcwd() try: os.chdir(tmpdir) with ContextualZipFile(filename) as archive: archive.extractall() # going in the directory subdir = os.path.join(tmpdir, os.listdir(tmpdir)[0]) os.chdir(subdir) log.warn('Now working in %s', subdir) yield finally: os.chdir(old_wd) shutil.rmtree(tmpdir)
def download_setuptools(version=DEFAULT_VERSION, download_base=DEFAULT_URL, to_dir=os.curdir, delay=15, downloader_factory=get_best_downloader): """ Download setuptools from a specified location and return its filename `version` should be a valid setuptools version number that is available as an sdist for download under the `download_base` URL (which should end with a '/'). `to_dir` is the directory where the egg will be downloaded. `delay` is the number of seconds to pause before an actual download attempt. ``downloader_factory`` should be a function taking no arguments and returning a function for downloading a URL to a target. """ # making sure we use the absolute path to_dir = os.path.abspath(to_dir) zip_name = "setuptools-%s.zip" % version url = download_base + zip_name saveto = os.path.join(to_dir, zip_name) if not os.path.exists(saveto): # Avoid repeated downloads log.warn("Downloading %s", url) downloader = downloader_factory() downloader(url, saveto) return os.path.realpath(saveto)
def make_init_files(self): """Create missing package __init__ files""" init_files = [] for base,dirs,files in walk_egg(self.bdist_dir): if base==self.bdist_dir: # don't put an __init__ in the root continue for name in files: if name.endswith('.py'): if '__init__.py' not in files: pkg = base[len(self.bdist_dir)+1:].replace(os.sep,'.') if self.distribution.has_contents_for(pkg): log.warn("Creating missing __init__.py for %s",pkg) filename = os.path.join(base,'__init__.py') if not self.dry_run: f = open(filename,'w'); f.write(NS_PKG_STUB) f.close() init_files.append(filename) break else: # not a package, don't traverse to subdirectories dirs[:] = [] return init_files
def append(self, item): if item.endswith('\r'): # Fix older sdists built on Windows item = item[:-1] path = convert_path(item) if sys.version_info >= (3,): try: if os.path.exists(path) or os.path.exists(path.encode('utf-8')): self.files.append(path) except UnicodeEncodeError: # Accept UTF-8 filenames even if LANG=C if os.path.exists(path.encode('utf-8')): self.files.append(path) else: log.warn("'%s' not %s encodable -- skipping", path, sys.getfilesystemencoding()) else: if os.path.exists(path): self.files.append(path)
def write_manifest(self): """Write the file list in 'self.filelist' (presumably as filled in by 'add_defaults()' and 'read_template()') to the manifest file named by 'self.manifest'. """ # The manifest must be UTF-8 encodable. See #303. if sys.version_info >= (3,): files = [] for file in self.filelist.files: try: file.encode("utf-8") except UnicodeEncodeError: log.warn("'%s' not UTF-8 encodable -- skipping" % file) else: files.append(file) self.filelist.files = files files = self.filelist.files if os.sep!='/': files = [f.replace(os.sep,'/') for f in files] self.execute(write_file, (self.manifest, files), "writing manifest file '%s'" % self.manifest)
def read_manifest(self): """Read the manifest file (named by 'self.manifest') and use it to fill in 'self.filelist', the list of files to include in the source distribution. """ log.info("reading manifest file '%s'", self.manifest) manifest = open(self.manifest, 'rbU') for line in manifest: # The manifest must contain UTF-8. See #303. if sys.version_info >= (3,): try: line = line.decode('UTF-8') except UnicodeDecodeError: log.warn("%r not UTF-8 decodable -- skipping" % line) continue # ignore comments and blank lines line = line.strip() if line.startswith('#') or not line: continue self.filelist.append(line) manifest.close()
def byte_compile(self, to_compile): if _dont_write_bytecode: self.warn('byte-compiling is disabled, skipping.') return from distutils.util import byte_compile try: # try to make the byte compile messages quieter log.set_verbosity(self.verbose - 1) byte_compile(to_compile, optimize=0, force=1, dry_run=self.dry_run) if self.optimize: byte_compile( to_compile, optimize=self.optimize, force=1, dry_run=self.dry_run ) finally: log.set_verbosity(self.verbose) # restore original verbosity
def fix_jython_executable(executable, options): if sys.platform.startswith('java') and is_sh(executable): # Workaround for Jython is not needed on Linux systems. import java if java.lang.System.getProperty("os.name") == "Linux": return executable # Workaround Jython's sys.executable being a .sh (an invalid # shebang line interpreter) if options: # Can't apply the workaround, leave it broken log.warn( "WARNING: Unable to adapt shebang line for Jython," " the following script is NOT executable\n" " see http://bugs.jython.org/issue1112 for" " more information.") else: return '/usr/bin/env %s' % executable return executable
def get_externals(self): #Previous to 1.5 --xml was not supported for svn propget and the -R #output format breaks the shlex compatible semantics. cmd = ['svn', 'propget', 'svn:externals'] result = [] for folder in self.iter_dirs(): code, lines = _run_command(cmd + [folder], encoding="utf-8") if code != 0: log.warn("svn propget failed") return [] #lines should a str for external in parse_external_prop(lines): if folder: external = os.path.join(folder, external) result.append(os.path.normpath(external)) return result
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: # 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())
def read_manifest(self): """Read the manifest file (named by 'self.manifest') and use it to fill in 'self.filelist', the list of files to include in the source distribution. """ log.info("reading manifest file '%s'", self.manifest) manifest = open(self.manifest, 'rbU') for line in manifest: # The manifest must contain UTF-8. See #303. if PY3: try: line = line.decode('UTF-8') except UnicodeDecodeError: log.warn("%r not UTF-8 decodable -- skipping" % line) continue # ignore comments and blank lines line = line.strip() if line.startswith('#') or not line: continue self.filelist.append(line) manifest.close()
def maybe_move(self, spec, dist_filename, setup_base): dst = os.path.join(self.build_directory, spec.key) if os.path.exists(dst): msg = ("%r already exists in %s; build directory %s will not be " "kept") log.warn(msg, spec.key, self.build_directory, setup_base) return setup_base if os.path.isdir(dist_filename): setup_base = dist_filename else: if os.path.dirname(dist_filename) == setup_base: os.unlink(dist_filename) # get it out of the tmp dir contents = os.listdir(setup_base) if len(contents) == 1: dist_filename = os.path.join(setup_base, contents[0]) if os.path.isdir(dist_filename): # if the only thing there is a directory, move it instead setup_base = dist_filename ensure_directory(dst) shutil.move(setup_base, dst) return dst
def byte_compile(self, to_compile): if sys.dont_write_bytecode: self.warn('byte-compiling is disabled, skipping.') return from distutils.util import byte_compile try: # try to make the byte compile messages quieter log.set_verbosity(self.verbose - 1) byte_compile(to_compile, optimize=0, force=1, dry_run=self.dry_run) if self.optimize: byte_compile( to_compile, optimize=self.optimize, force=1, dry_run=self.dry_run ) finally: log.set_verbosity(self.verbose) # restore original verbosity
def as_header(self): """ Workaround Jython's sys.executable being a .sh (an invalid shebang line interpreter) """ if not is_sh(self[0]): return super(JythonCommandSpec, self).as_header() if self.options: # Can't apply the workaround, leave it broken log.warn( "WARNING: Unable to adapt shebang line for Jython," " the following script is NOT executable\n" " see http://bugs.jython.org/issue1112 for" " more information.") return super(JythonCommandSpec, self).as_header() items = ['/usr/bin/env'] + self + list(self.options) return self._render(items)
