def save(self):
"""Write changed .pth file back to disk"""
if not self.dirty:
return
rel_paths = list(map(self.make_relative, self.paths))
if rel_paths:
log.debug("Saving %s", self.filename)
lines = self._wrap_lines(rel_paths)
data = '\n'.join(lines) + '\n'
if os.path.islink(self.filename):
os.unlink(self.filename)
with open(self.filename, 'wt') as f:
f.write(data)
elif os.path.exists(self.filename):
log.debug("Deleting empty %s", self.filename)
os.unlink(self.filename)
self.dirty = False
python类debug()的实例源码
def zap_pyfiles(self):
log.info("Removing .py files from temporary directory")
for base, dirs, files in walk_egg(self.bdist_dir):
for name in files:
path = os.path.join(base, name)
if name.endswith('.py'):
log.debug("Deleting %s", path)
os.unlink(path)
if base.endswith('__pycache__'):
path_old = path
pattern = r'(?P<name>.+)\.(?P<magic>[^.]+)\.pyc'
m = re.match(pattern, name)
path_new = os.path.join(base, os.pardir, m.group('name') + '.pyc')
log.info("Renaming file from [%s] to [%s]" % (path_old, path_new))
try:
os.remove(path_new)
except OSError:
pass
os.rename(path_old, path_new)
def save(self):
"""Write changed .pth file back to disk"""
if not self.dirty:
return
rel_paths = list(map(self.make_relative, self.paths))
if rel_paths:
log.debug("Saving %s", self.filename)
lines = self._wrap_lines(rel_paths)
data = '\n'.join(lines) + '\n'
if os.path.islink(self.filename):
os.unlink(self.filename)
with open(self.filename, 'wt') as f:
f.write(data)
elif os.path.exists(self.filename):
log.debug("Deleting empty %s", self.filename)
os.unlink(self.filename)
self.dirty = False
def create_static_lib (self,
objects,
output_libname,
output_dir=None,
debug=0,
target_lang=None):
if not self.initialized: self.initialize()
(objects, output_dir) = self._fix_object_args (objects, output_dir)
output_filename = \
self.library_filename (output_libname, output_dir=output_dir)
if self._need_link (objects, output_filename):
lib_args = objects + ['/OUT:' + output_filename]
if debug:
pass # XXX what goes here?
try:
self.spawn ([self.lib] + lib_args)
except DistutilsExecError, msg:
raise LibError, msg
else:
log.debug("skipping %s (up-to-date)", output_filename)
# create_static_lib ()
def find_library_file (self, dirs, lib, debug=0):
# Prefer a debugging library if found (and requested), but deal
# with it if we don't have one.
if debug:
try_names = [lib + "_d", lib]
else:
try_names = [lib]
for dir in dirs:
for name in try_names:
libfile = os.path.join(dir, self.library_filename (name))
if os.path.exists(libfile):
return libfile
else:
# Oops, didn't find it in *any* of 'dirs'
return None
# find_library_file ()
# Helper methods for using the MSVC registry settings
def create_static_lib (self,
objects,
output_libname,
output_dir=None,
debug=0,
target_lang=None):
(objects, output_dir) = self._fix_object_args (objects, output_dir)
output_filename = \
self.library_filename (output_libname, output_dir=output_dir)
if self._need_link (objects, output_filename):
lib_args = [output_filename, '/u'] + objects
if debug:
pass # XXX what goes here?
try:
self.spawn ([self.lib] + lib_args)
except DistutilsExecError, msg:
raise LibError, msg
else:
log.debug("skipping %s (up-to-date)", output_filename)
# create_static_lib ()
def _spawn_os2(cmd, search_path=1, verbose=0, dry_run=0):
executable = cmd[0]
if search_path:
# either we find one or it stays the same
executable = find_executable(executable) or executable
log.info(' '.join([executable] + cmd[1:]))
if not dry_run:
# spawnv for OS/2 EMX requires a full path to the .exe
try:
rc = os.spawnv(os.P_WAIT, executable, cmd)
except OSError, exc:
# this seems to happen when the command isn't found
raise DistutilsExecError, \
"command '%s' failed: %s" % (cmd[0], exc[-1])
if rc != 0:
# and this reflects the command running but failing
log.debug("command '%s' failed with exit status %d" % (cmd[0], rc))
raise DistutilsExecError, \
"command '%s' failed with exit status %d" % (cmd[0], rc)
def create_static_lib(self, objects, output_libname,
output_dir=None, debug=0, target_lang=None):
objects, output_dir = self._fix_object_args(objects, output_dir)
output_filename = \
self.library_filename(output_libname, output_dir=output_dir)
if self._need_link(objects, output_filename):
self.mkpath(os.path.dirname(output_filename))
self.spawn(self.archiver +
[output_filename] +
objects + self.objects)
# Not many Unices required ranlib anymore -- SunOS 4.x is, I
# think the only major Unix that does. Maybe we need some
# platform intelligence here to skip ranlib if it's not
# needed -- or maybe Python's configure script took care of
# it for us, hence the check for leading colon.
if self.ranlib:
try:
self.spawn(self.ranlib + [output_filename])
except DistutilsExecError, msg:
raise LibError, msg
else:
log.debug("skipping %s (up-to-date)", output_filename)
def save(self):
"""Write changed .pth file back to disk"""
if not self.dirty:
return
rel_paths = list(map(self.make_relative, self.paths))
if rel_paths:
log.debug("Saving %s", self.filename)
lines = self._wrap_lines(rel_paths)
data = '\n'.join(lines) + '\n'
if os.path.islink(self.filename):
os.unlink(self.filename)
with open(self.filename, 'wt') as f:
f.write(data)
elif os.path.exists(self.filename):
log.debug("Deleting empty %s", self.filename)
os.unlink(self.filename)
self.dirty = False
def save(self):
"""Write changed .pth file back to disk"""
if not self.dirty:
return
rel_paths = list(map(self.make_relative, self.paths))
if rel_paths:
log.debug("Saving %s", self.filename)
lines = self._wrap_lines(rel_paths)
data = '\n'.join(lines) + '\n'
if os.path.islink(self.filename):
os.unlink(self.filename)
with open(self.filename, 'wt') as f:
f.write(data)
elif os.path.exists(self.filename):
log.debug("Deleting empty %s", self.filename)
os.unlink(self.filename)
self.dirty = False
def save(self):
"""Write changed .pth file back to disk"""
if not self.dirty:
return
rel_paths = list(map(self.make_relative, self.paths))
if rel_paths:
log.debug("Saving %s", self.filename)
lines = self._wrap_lines(rel_paths)
data = '\n'.join(lines) + '\n'
if os.path.islink(self.filename):
os.unlink(self.filename)
with open(self.filename, 'wt') as f:
f.write(data)
elif os.path.exists(self.filename):
log.debug("Deleting empty %s", self.filename)
os.unlink(self.filename)
self.dirty = False
def create_static_lib (self,
objects,
output_libname,
output_dir=None,
debug=0,
target_lang=None):
if not self.initialized: self.initialize()
(objects, output_dir) = self._fix_object_args (objects, output_dir)
output_filename = \
self.library_filename (output_libname, output_dir=output_dir)
if self._need_link (objects, output_filename):
lib_args = objects + ['/OUT:' + output_filename]
if debug:
pass # XXX what goes here?
try:
self.spawn ([self.lib] + lib_args)
except DistutilsExecError, msg:
raise LibError, msg
else:
log.debug("skipping %s (up-to-date)", output_filename)
# create_static_lib ()
def find_library_file (self, dirs, lib, debug=0):
# Prefer a debugging library if found (and requested), but deal
# with it if we don't have one.
if debug:
try_names = [lib + "_d", lib]
else:
try_names = [lib]
for dir in dirs:
for name in try_names:
libfile = os.path.join(dir, self.library_filename (name))
if os.path.exists(libfile):
return libfile
else:
# Oops, didn't find it in *any* of 'dirs'
return None
# find_library_file ()
# Helper methods for using the MSVC registry settings
def create_static_lib(self,
objects,
output_libname,
output_dir=None,
debug=0,
target_lang=None):
if not self.initialized:
self.initialize()
(objects, output_dir) = self._fix_object_args(objects, output_dir)
output_filename = self.library_filename(output_libname,
output_dir=output_dir)
if self._need_link(objects, output_filename):
lib_args = objects + ['/OUT:' + output_filename]
if debug:
pass # XXX what goes here?
try:
self.spawn([self.lib] + lib_args)
except DistutilsExecError, msg:
raise LibError(msg)
else:
log.debug("skipping %s (up-to-date)", output_filename)
def find_library_file(self, dirs, lib, debug=0):
# Prefer a debugging library if found (and requested), but deal
# with it if we don't have one.
if debug:
try_names = [lib + "_d", lib]
else:
try_names = [lib]
for dir in dirs:
for name in try_names:
libfile = os.path.join(dir, self.library_filename (name))
if os.path.exists(libfile):
return libfile
else:
# Oops, didn't find it in *any* of 'dirs'
return None
# Helper methods for using the MSVC registry settings
def initialize_options (self):
self.extensions = None
self.build_lib = None
self.plat_name = None
self.build_temp = None
self.inplace = 0
self.package = None
self.include_dirs = None
self.define = None
self.undef = None
self.libraries = None
self.library_dirs = None
self.rpath = None
self.link_objects = None
self.debug = None
self.force = None
self.compiler = None
self.swig = None
self.swig_cpp = None
self.swig_opts = None
self.user = None
def create_static_lib (self,
objects,
output_libname,
output_dir=None,
debug=0,
target_lang=None):
(objects, output_dir) = self._fix_object_args (objects, output_dir)
output_filename = \
self.library_filename (output_libname, output_dir=output_dir)
if self._need_link (objects, output_filename):
lib_args = [output_filename, '/u'] + objects
if debug:
pass # XXX what goes here?
try:
self.spawn ([self.lib] + lib_args)
except DistutilsExecError, msg:
raise LibError, msg
else:
log.debug("skipping %s (up-to-date)", output_filename)
# create_static_lib ()
def debug_print(self, msg):
"""Print 'msg' to stdout if the global DEBUG (taken from the
DISTUTILS_DEBUG environment variable) flag is true.
"""
from distutils.debug import DEBUG
if DEBUG:
print msg
sys.stdout.flush()
# -- Option validation methods -------------------------------------
# (these are very handy in writing the 'finalize_options()' method)
#
# NB. the general philosophy here is to ensure that a particular option
# value meets certain type and value constraints. If not, we try to
# force it into conformance (eg. if we expect a list but have a string,
# split the string on comma and/or whitespace). If we can't force the
# option into conformance, raise DistutilsOptionError. Thus, command
# classes need do nothing more than (eg.)
# self.ensure_string_list('foo')
# and they can be guaranteed that thereafter, self.foo will be
# a list of strings.
def create_static_lib(self, objects, output_libname,
output_dir=None, debug=0, target_lang=None):
objects, output_dir = self._fix_object_args(objects, output_dir)
output_filename = \
self.library_filename(output_libname, output_dir=output_dir)
if self._need_link(objects, output_filename):
self.mkpath(os.path.dirname(output_filename))
self.spawn(self.archiver +
[output_filename] +
objects + self.objects)
# Not many Unices required ranlib anymore -- SunOS 4.x is, I
# think the only major Unix that does. Maybe we need some
# platform intelligence here to skip ranlib if it's not
# needed -- or maybe Python's configure script took care of
# it for us, hence the check for leading colon.
if self.ranlib:
try:
self.spawn(self.ranlib + [output_filename])
except DistutilsExecError, msg:
raise LibError, msg
else:
log.debug("skipping %s (up-to-date)", output_filename)
def save(self):
"""Write changed .pth file back to disk"""
if not self.dirty:
return
rel_paths = list(map(self.make_relative, self.paths))
if rel_paths:
log.debug("Saving %s", self.filename)
lines = self._wrap_lines(rel_paths)
data = '\n'.join(lines) + '\n'
if os.path.islink(self.filename):
os.unlink(self.filename)
with open(self.filename, 'wt') as f:
f.write(data)
elif os.path.exists(self.filename):
log.debug("Deleting empty %s", self.filename)
os.unlink(self.filename)
self.dirty = False
def save(self):
"""Write changed .pth file back to disk"""
if not self.dirty:
return
rel_paths = list(map(self.make_relative, self.paths))
if rel_paths:
log.debug("Saving %s", self.filename)
lines = self._wrap_lines(rel_paths)
data = '\n'.join(lines) + '\n'
if os.path.islink(self.filename):
os.unlink(self.filename)
with open(self.filename, 'wt') as f:
f.write(data)
elif os.path.exists(self.filename):
log.debug("Deleting empty %s", self.filename)
os.unlink(self.filename)
self.dirty = False
def save(self):
"""Write changed .pth file back to disk"""
if not self.dirty:
return
rel_paths = list(map(self.make_relative, self.paths))
if rel_paths:
log.debug("Saving %s", self.filename)
lines = self._wrap_lines(rel_paths)
data = '\n'.join(lines) + '\n'
if os.path.islink(self.filename):
os.unlink(self.filename)
with open(self.filename, 'wt') as f:
f.write(data)
elif os.path.exists(self.filename):
log.debug("Deleting empty %s", self.filename)
os.unlink(self.filename)
self.dirty = False
def save(self):
"""Write changed .pth file back to disk"""
if not self.dirty:
return
rel_paths = list(map(self.make_relative, self.paths))
if rel_paths:
log.debug("Saving %s", self.filename)
lines = self._wrap_lines(rel_paths)
data = '\n'.join(lines) + '\n'
if os.path.islink(self.filename):
os.unlink(self.filename)
with open(self.filename, 'wt') as f:
f.write(data)
elif os.path.exists(self.filename):
log.debug("Deleting empty %s", self.filename)
os.unlink(self.filename)
self.dirty = False
def log_debug(self, msg, *args):
log.debug(msg, *args)
def edit_config(filename, settings, dry_run=False):
"""Edit a configuration file to include `settings`
`settings` is a dictionary of dictionaries or ``None`` values, keyed by
command/section name. A ``None`` value means to delete the entire section,
while a dictionary lists settings to be changed or deleted in that section.
A setting of ``None`` means to delete that setting.
"""
log.debug("Reading configuration from %s", filename)
opts = configparser.RawConfigParser()
opts.read([filename])
for section, options in settings.items():
if options is None:
log.info("Deleting section [%s] from %s", section, filename)
opts.remove_section(section)
else:
if not opts.has_section(section):
log.debug("Adding new section [%s] to %s", section, filename)
opts.add_section(section)
for option, value in options.items():
if value is None:
log.debug(
"Deleting %s.%s from %s",
section, option, filename
)
opts.remove_option(section, option)
if not opts.options(section):
log.info("Deleting empty [%s] section from %s",
section, filename)
opts.remove_section(section)
else:
log.debug(
"Setting %s.%s to %r in %s",
section, option, value, filename
)
opts.set(section, option, value)
log.info("Writing %s", filename)
if not dry_run:
with open(filename, 'w') as f:
opts.write(f)
def zap_pyfiles(self):
log.info("Removing .py files from temporary directory")
for base, dirs, files in walk_egg(self.bdist_dir):
for name in files:
if name.endswith('.py'):
path = os.path.join(base, name)
log.debug("Deleting %s", path)
os.unlink(path)
def make_zipfile(zip_filename, base_dir, verbose=0, dry_run=0, compress=True,
mode='w'):
"""Create a zip file from all the files under 'base_dir'. The output
zip file will be named 'base_dir' + ".zip". Uses either the "zipfile"
Python module (if available) or the InfoZIP "zip" utility (if installed
and found on the default search path). If neither tool is available,
raises DistutilsExecError. Returns the name of the output zip file.
"""
import zipfile
mkpath(os.path.dirname(zip_filename), dry_run=dry_run)
log.info("creating '%s' and adding '%s' to it", zip_filename, base_dir)
def visit(z, dirname, names):
for name in names:
path = os.path.normpath(os.path.join(dirname, name))
if os.path.isfile(path):
p = path[len(base_dir) + 1:]
if not dry_run:
z.write(path, p)
log.debug("adding '%s'", p)
compression = zipfile.ZIP_DEFLATED if compress else zipfile.ZIP_STORED
if not dry_run:
z = zipfile.ZipFile(zip_filename, mode, compression=compression)
for dirname, dirs, files in os.walk(base_dir):
visit(z, dirname, files)
z.close()
else:
for dirname, dirs, files in os.walk(base_dir):
visit(None, dirname, files)
return zip_filename
def copytree(self):
# Copy the .egg-info tree to site-packages
def skimmer(src, dst):
# filter out source-control directories; note that 'src' is always
# a '/'-separated path, regardless of platform. 'dst' is a
# platform-specific path.
for skip in '.svn/', 'CVS/':
if src.startswith(skip) or '/' + skip in src:
return None
self.outputs.append(dst)
log.debug("Copying %s to %s", src, dst)
return dst
unpack_archive(self.source, self.target, skimmer)
def install_site_py(self):
"""Make sure there's a site.py in the target dir, if needed"""
if self.sitepy_installed:
return # already did it, or don't need to
sitepy = os.path.join(self.install_dir, "site.py")
source = resource_string("setuptools", "site-patch.py")
source = source.decode('utf-8')
current = ""
if os.path.exists(sitepy):
log.debug("Checking existing site.py in %s", self.install_dir)
with io.open(sitepy) as strm:
current = strm.read()
if not current.startswith('def __boot():'):
raise DistutilsError(
"%s is not a setuptools-generated site.py; please"
" remove it." % sitepy
)
if current != source:
log.info("Creating %s", sitepy)
if not self.dry_run:
ensure_directory(sitepy)
with io.open(sitepy, 'w', encoding='utf-8') as strm:
strm.write(source)
self.byte_compile([sitepy])
self.sitepy_installed = True
def chmod(path, mode):
log.debug("changing mode of %s to %o", path, mode)
try:
_chmod(path, mode)
except os.error as e:
log.debug("chmod failed: %s", e)
