def write_wheelfile(self, wheelfile_base, generator='bdist_wheel (' + wheel.__version__ + ')'):
from email.message import Message
msg = Message()
msg['Wheel-Version'] = '1.0' # of the spec
msg['Generator'] = generator
msg['Root-Is-Purelib'] = str(self.root_is_pure).lower()
# Doesn't work for bdist_wininst
impl_tag, abi_tag, plat_tag = self.get_tag()
for impl in impl_tag.split('.'):
for abi in abi_tag.split('.'):
for plat in plat_tag.split('.'):
msg['Tag'] = '-'.join((impl, abi, plat))
wheelfile_path = os.path.join(wheelfile_base, 'WHEEL')
logger.info('creating %s', wheelfile_path)
with open(wheelfile_path, 'w') as f:
Generator(f, maxheaderlen=0).flatten(msg)
python类info()的实例源码
def install_namespaces(self):
nsp = self._get_all_ns_packages()
if not nsp:
return
filename, ext = os.path.splitext(self._get_target())
filename += self.nspkg_ext
self.outputs.append(filename)
log.info("Installing %s", filename)
lines = map(self._gen_nspkg_line, nsp)
if self.dry_run:
# always generate the lines, even in dry run
list(lines)
return
with open(filename, 'wt') as f:
f.writelines(lines)
def run_2to3(self, files, doctests=False):
# See of the distribution option has been set, otherwise check the
# setuptools default.
if self.distribution.use_2to3 is not True:
return
if not files:
return
log.info("Fixing " + " ".join(files))
self.__build_fixer_names()
self.__exclude_fixers()
if doctests:
if setuptools.run_2to3_on_doctests:
r = DistutilsRefactoringTool(self.fixer_names)
r.refactor(files, write=True, doctests_only=True)
else:
_Mixin2to3.run_2to3(self, files)
def do_install_data(self):
# Hack for packages that install data to install's --install-lib
self.get_finalized_command('install').install_lib = self.bdist_dir
site_packages = os.path.normcase(os.path.realpath(_get_purelib()))
old, self.distribution.data_files = self.distribution.data_files, []
for item in old:
if isinstance(item, tuple) and len(item) == 2:
if os.path.isabs(item[0]):
realpath = os.path.realpath(item[0])
normalized = os.path.normcase(realpath)
if normalized == site_packages or normalized.startswith(
site_packages + os.sep
):
item = realpath[len(site_packages) + 1:], item[1]
# XXX else: raise ???
self.distribution.data_files.append(item)
try:
log.info("installing package data to %s", self.bdist_dir)
self.call_command('install_data', force=0, root=None)
finally:
self.distribution.data_files = old
def write_pkg_info(cmd, basename, filename):
log.info("writing %s", filename)
if not cmd.dry_run:
metadata = cmd.distribution.metadata
metadata.version, oldver = cmd.egg_version, metadata.version
metadata.name, oldname = cmd.egg_name, metadata.name
try:
# write unescaped data to PKG-INFO, so older pkg_resources
# can still parse it
metadata.write_pkg_info(cmd.egg_info)
finally:
metadata.name, metadata.version = oldname, oldver
safe = getattr(cmd.distribution, 'zip_safe', None)
bdist_egg.write_safety_flag(cmd.egg_info, safe)
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 run(self):
self.run_command("egg_info")
from glob import glob
for pattern in self.match:
pattern = self.distribution.get_name() + '*' + pattern
files = glob(os.path.join(self.dist_dir, pattern))
files = [(os.path.getmtime(f), f) for f in files]
files.sort()
files.reverse()
log.info("%d file(s) matching %s", len(files), pattern)
files = files[self.keep:]
for (t, f) in files:
log.info("Deleting %s", f)
if not self.dry_run:
if os.path.isdir(f):
shutil.rmtree(f)
else:
os.unlink(f)
def run_setup(self, setup_script, setup_base, args):
sys.modules.setdefault('distutils.command.bdist_egg', bdist_egg)
sys.modules.setdefault('distutils.command.egg_info', egg_info)
args = list(args)
if self.verbose > 2:
v = 'v' * (self.verbose - 1)
args.insert(0, '-' + v)
elif self.verbose < 2:
args.insert(0, '-q')
if self.dry_run:
args.insert(0, '-n')
log.info(
"Running %s %s", setup_script[len(setup_base) + 1:], ' '.join(args)
)
try:
run_setup(setup_script, args)
except SystemExit as v:
raise DistutilsError("Setup script exited with %s" % (v.args[0],))
def write_wheelfile(self, wheelfile_base, generator='bdist_wheel (' + wheel_version + ')'):
from email.message import Message
msg = Message()
msg['Wheel-Version'] = '1.0' # of the spec
msg['Generator'] = generator
msg['Root-Is-Purelib'] = str(self.root_is_pure).lower()
if self.build_number is not None:
msg['Build'] = self.build_number
# Doesn't work for bdist_wininst
impl_tag, abi_tag, plat_tag = self.get_tag()
for impl in impl_tag.split('.'):
for abi in abi_tag.split('.'):
for plat in plat_tag.split('.'):
msg['Tag'] = '-'.join((impl, abi, plat))
wheelfile_path = os.path.join(wheelfile_base, 'WHEEL')
logger.info('creating %s', wheelfile_path)
with open(wheelfile_path, 'w') as f:
Generator(f, maxheaderlen=0).flatten(msg)
def install_namespaces(self):
nsp = self._get_all_ns_packages()
if not nsp:
return
filename, ext = os.path.splitext(self._get_target())
filename += self.nspkg_ext
self.outputs.append(filename)
log.info("Installing %s", filename)
lines = map(self._gen_nspkg_line, nsp)
if self.dry_run:
# always generate the lines, even in dry run
list(lines)
return
with open(filename, 'wt') as f:
f.writelines(lines)
def do_install_data(self):
# Hack for packages that install data to install's --install-lib
self.get_finalized_command('install').install_lib = self.bdist_dir
site_packages = os.path.normcase(os.path.realpath(_get_purelib()))
old, self.distribution.data_files = self.distribution.data_files, []
for item in old:
if isinstance(item, tuple) and len(item) == 2:
if os.path.isabs(item[0]):
realpath = os.path.realpath(item[0])
normalized = os.path.normcase(realpath)
if normalized == site_packages or normalized.startswith(
site_packages + os.sep
):
item = realpath[len(site_packages) + 1:], item[1]
# XXX else: raise ???
self.distribution.data_files.append(item)
try:
log.info("installing package data to %s", self.bdist_dir)
self.call_command('install_data', force=0, root=None)
finally:
self.distribution.data_files = old
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 write_pkg_info(cmd, basename, filename):
log.info("writing %s", filename)
if not cmd.dry_run:
metadata = cmd.distribution.metadata
metadata.version, oldver = cmd.egg_version, metadata.version
metadata.name, oldname = cmd.egg_name, metadata.name
metadata.long_description_content_type = getattr(
cmd.distribution,
'long_description_content_type'
)
try:
# write unescaped data to PKG-INFO, so older pkg_resources
# can still parse it
metadata.write_pkg_info(cmd.egg_info)
finally:
metadata.name, metadata.version = oldname, oldver
safe = getattr(cmd.distribution, 'zip_safe', None)
bdist_egg.write_safety_flag(cmd.egg_info, safe)
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, 'rb')
for line in manifest:
# The manifest must contain UTF-8. See #303.
if six.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 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 run(self):
self.run_command("egg_info")
from glob import glob
for pattern in self.match:
pattern = self.distribution.get_name() + '*' + pattern
files = glob(os.path.join(self.dist_dir, pattern))
files = [(os.path.getmtime(f), f) for f in files]
files.sort()
files.reverse()
log.info("%d file(s) matching %s", len(files), pattern)
files = files[self.keep:]
for (t, f) in files:
log.info("Deleting %s", f)
if not self.dry_run:
if os.path.isdir(f):
shutil.rmtree(f)
else:
os.unlink(f)
def run_setup(self, setup_script, setup_base, args):
sys.modules.setdefault('distutils.command.bdist_egg', bdist_egg)
sys.modules.setdefault('distutils.command.egg_info', egg_info)
args = list(args)
if self.verbose > 2:
v = 'v' * (self.verbose - 1)
args.insert(0, '-' + v)
elif self.verbose < 2:
args.insert(0, '-q')
if self.dry_run:
args.insert(0, '-n')
log.info(
"Running %s %s", setup_script[len(setup_base) + 1:], ' '.join(args)
)
try:
run_setup(setup_script, args)
except SystemExit as v:
raise DistutilsError("Setup script exited with %s" % (v.args[0],))
def run_command(self, command):
"""Do whatever it takes to run a command (including nothing at all,
if the command has already been run). Specifically: if we have
already created and run the command named by 'command', return
silently without doing anything. If the command named by 'command'
doesn't even have a command object yet, create one. Then invoke
'run()' on that command object (or an existing one).
"""
# Already been here, done that? then return silently.
if self.have_run.get(command):
return
log.info("running %s", command)
cmd_obj = self.get_command_obj(command)
cmd_obj.ensure_finalized()
cmd_obj.run()
self.have_run[command] = 1
# -- Distribution query methods ------------------------------------
def _clean(self, *filenames):
if not filenames:
filenames = self.temp_files
self.temp_files = []
log.info("removing: %s", ' '.join(filenames))
for filename in filenames:
try:
os.remove(filename)
except OSError:
pass
# XXX these ignore the dry-run flag: what to do, what to do? even if
# you want a dry-run build, you still need some sort of configuration
# info. My inclination is to make it up to the real config command to
# consult 'dry_run', and assume a default (minimal) configuration if
# true. The problem with trying to do it here is that you'd have to
# return either true or false from all the 'try' methods, neither of
# which is correct.
# XXX need access to the header search path and maybe default macros.
def try_link(self, body, headers=None, include_dirs=None, libraries=None,
library_dirs=None, lang="c"):
"""Try to compile and link a source file, built from 'body' and
'headers', to executable form. Return true on success, false
otherwise.
"""
from distutils.ccompiler import CompileError, LinkError
self._check_compiler()
try:
self._link(body, headers, include_dirs,
libraries, library_dirs, lang)
ok = 1
except (CompileError, LinkError):
ok = 0
log.info(ok and "success!" or "failure.")
self._clean()
return ok
def try_run(self, body, headers=None, include_dirs=None, libraries=None,
library_dirs=None, lang="c"):
"""Try to compile, link to an executable, and run a program
built from 'body' and 'headers'. Return true on success, false
otherwise.
"""
from distutils.ccompiler import CompileError, LinkError
self._check_compiler()
try:
src, obj, exe = self._link(body, headers, include_dirs,
libraries, library_dirs, lang)
self.spawn([exe])
ok = 1
except (CompileError, LinkError, DistutilsExecError):
ok = 0
log.info(ok and "success!" or "failure.")
self._clean()
return ok
# -- High-level methods --------------------------------------------
# (these are the ones that are actually likely to be useful
# when implementing a real-world config command!)
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 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 run_2to3(self, files, doctests = False):
# See of the distribution option has been set, otherwise check the
# setuptools default.
if self.distribution.use_2to3 is not True:
return
if not files:
return
log.info("Fixing "+" ".join(files))
self.__build_fixer_names()
self.__exclude_fixers()
if doctests:
if setuptools.run_2to3_on_doctests:
r = DistutilsRefactoringTool(self.fixer_names)
r.refactor(files, write=True, doctests_only=True)
else:
_Mixin2to3.run_2to3(self, files)
def do_install_data(self):
# Hack for packages that install data to install's --install-lib
self.get_finalized_command('install').install_lib = self.bdist_dir
site_packages = os.path.normcase(os.path.realpath(_get_purelib()))
old, self.distribution.data_files = self.distribution.data_files,[]
for item in old:
if isinstance(item,tuple) and len(item)==2:
if os.path.isabs(item[0]):
realpath = os.path.realpath(item[0])
normalized = os.path.normcase(realpath)
if normalized==site_packages or normalized.startswith(
site_packages+os.sep
):
item = realpath[len(site_packages)+1:], item[1]
# XXX else: raise ???
self.distribution.data_files.append(item)
try:
log.info("installing package data to %s" % self.bdist_dir)
self.call_command('install_data', force=0, root=None)
finally:
self.distribution.data_files = old
def write_pkg_info(cmd, basename, filename):
log.info("writing %s", filename)
if not cmd.dry_run:
metadata = cmd.distribution.metadata
metadata.version, oldver = cmd.egg_version, metadata.version
metadata.name, oldname = cmd.egg_name, metadata.name
try:
# write unescaped data to PKG-INFO, so older pkg_resources
# can still parse it
metadata.write_pkg_info(cmd.egg_info)
finally:
metadata.name, metadata.version = oldname, oldver
safe = getattr(cmd.distribution,'zip_safe',None)
from setuptools.command import bdist_egg
bdist_egg.write_safety_flag(cmd.egg_info, safe)
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 run(self):
self.run_command("egg_info")
from glob import glob
for pattern in self.match:
pattern = self.distribution.get_name()+'*'+pattern
files = glob(os.path.join(self.dist_dir,pattern))
files = [(os.path.getmtime(f),f) for f in files]
files.sort()
files.reverse()
log.info("%d file(s) matching %s", len(files), pattern)
files = files[self.keep:]
for (t,f) in files:
log.info("Deleting %s", f)
if not self.dry_run:
os.unlink(f)
def run_setup(self, setup_script, setup_base, args):
sys.modules.setdefault('distutils.command.bdist_egg', bdist_egg)
sys.modules.setdefault('distutils.command.egg_info', egg_info)
args = list(args)
if self.verbose>2:
v = 'v' * (self.verbose - 1)
args.insert(0,'-'+v)
elif self.verbose<2:
args.insert(0,'-q')
if self.dry_run:
args.insert(0,'-n')
log.info(
"Running %s %s", setup_script[len(setup_base)+1:], ' '.join(args)
)
try:
run_setup(setup_script, args)
except SystemExit:
v = sys.exc_info()[1]
raise DistutilsError("Setup script exited with %s" % (v.args[0],))
def write_wheelfile(self, wheelfile_base, generator='bdist_wheel (' + wheel_version + ')'):
from email.message import Message
msg = Message()
msg['Wheel-Version'] = '1.0' # of the spec
msg['Generator'] = generator
msg['Root-Is-Purelib'] = str(self.root_is_pure).lower()
# Doesn't work for bdist_wininst
impl_tag, abi_tag, plat_tag = self.get_tag()
for impl in impl_tag.split('.'):
for abi in abi_tag.split('.'):
for plat in plat_tag.split('.'):
msg['Tag'] = '-'.join((impl, abi, plat))
wheelfile_path = os.path.join(wheelfile_base, 'WHEEL')
logger.info('creating %s', wheelfile_path)
with open(wheelfile_path, 'w') as f:
Generator(f, maxheaderlen=0).flatten(msg)
