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)
python类warn()的实例源码
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 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 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 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 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 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 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 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 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()
