1
"""distutils.archive_util
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Utility functions for creating archive files (tarballs, zip files,
4
that sort of thing)."""
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from warnings import warn
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from distutils.errors import DistutilsExecError
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from distutils.spawn import spawn
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from distutils.dir_util import mkpath
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from distutils import log
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from pwd import getpwnam
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from grp import getgrnam
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"""Returns a gid, given a group name."""
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if getgrnam is None or name is None:
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result = getgrnam(name)
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if result is not None:
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"""Returns an uid, given a user name."""
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if getpwnam is None or name is None:
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result = getpwnam(name)
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if result is not None:
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def make_tarball(base_name, base_dir, compress="gzip", verbose=0, dry_run=0,
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owner=None, group=None):
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"""Create a (possibly compressed) tar file from all the files under
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'compress' must be "gzip" (the default), "compress", "bzip2", or None.
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(compress will be deprecated in Python 3.2)
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'owner' and 'group' can be used to define an owner and a group for the
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archive that is being built. If not provided, the current owner and group
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The output tar file will be named 'base_dir' + ".tar", possibly plus
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the appropriate compression extension (".gz", ".bz2" or ".Z").
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Returns the output filename.
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tar_compression = {'gzip': 'gz', 'bzip2': 'bz2', None: '', 'compress': ''}
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compress_ext = {'gzip': '.gz', 'bzip2': '.bz2', 'compress': '.Z'}
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# flags for compression program, each element of list will be an argument
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if compress is not None and compress not in compress_ext.keys():
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("bad value for 'compress': must be None, 'gzip', 'bzip2' "
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archive_name = base_name + '.tar'
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if compress != 'compress':
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archive_name += compress_ext.get(compress, '')
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mkpath(os.path.dirname(archive_name), dry_run=dry_run)
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# creating the tarball
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import tarfile # late import so Python build itself doesn't break
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log.info('Creating tar archive')
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def _set_uid_gid(tarinfo):
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tar = tarfile.open(archive_name, 'w|%s' % tar_compression[compress])
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tar.add(base_dir, filter=_set_uid_gid)
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# compression using `compress`
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if compress == 'compress':
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warn("'compress' will be deprecated.", PendingDeprecationWarning)
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# the option varies depending on the platform
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compressed_name = archive_name + compress_ext[compress]
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if sys.platform == 'win32':
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cmd = [compress, archive_name, compressed_name]
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cmd = [compress, '-f', archive_name]
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spawn(cmd, dry_run=dry_run)
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return compressed_name
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def make_zipfile(base_name, base_dir, verbose=0, dry_run=0):
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"""Create a zip file from all the files under 'base_dir'.
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The output zip file will be named 'base_name' + ".zip". Uses either the
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"zipfile" Python module (if available) or the InfoZIP "zip" utility
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(if installed and found on the default search path). If neither tool is
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available, raises DistutilsExecError. Returns the name of the output zip
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zip_filename = base_name + ".zip"
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mkpath(os.path.dirname(zip_filename), dry_run=dry_run)
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# If zipfile module is not available, try spawning an external
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spawn(["zip", zipoptions, zip_filename, base_dir],
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except DistutilsExecError:
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# XXX really should distinguish between "couldn't find
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# external 'zip' command" and "zip failed".
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raise DistutilsExecError, \
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("unable to create zip file '%s': "
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"could neither import the 'zipfile' module nor "
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"find a standalone zip utility") % zip_filename
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log.info("creating '%s' and adding '%s' to it",
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zip_filename, base_dir)
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zip = zipfile.ZipFile(zip_filename, "w",
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compression=zipfile.ZIP_DEFLATED)
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for dirpath, dirnames, filenames in os.walk(base_dir):
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for name in filenames:
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path = os.path.normpath(os.path.join(dirpath, name))
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if os.path.isfile(path):
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zip.write(path, path)
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log.info("adding '%s'" % path)
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'gztar': (make_tarball, [('compress', 'gzip')], "gzip'ed tar-file"),
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'bztar': (make_tarball, [('compress', 'bzip2')], "bzip2'ed tar-file"),
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'ztar': (make_tarball, [('compress', 'compress')], "compressed tar file"),
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'tar': (make_tarball, [('compress', None)], "uncompressed tar file"),
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'zip': (make_zipfile, [],"ZIP file")
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def check_archive_formats(formats):
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"""Returns the first format from the 'format' list that is unknown.
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If all formats are known, returns None
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for format in formats:
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if format not in ARCHIVE_FORMATS:
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def make_archive(base_name, format, root_dir=None, base_dir=None, verbose=0,
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dry_run=0, owner=None, group=None):
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"""Create an archive file (eg. zip or tar).
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'base_name' is the name of the file to create, minus any format-specific
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extension; 'format' is the archive format: one of "zip", "tar", "ztar",
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'root_dir' is a directory that will be the root directory of the
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archive; ie. we typically chdir into 'root_dir' before creating the
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archive. 'base_dir' is the directory where we start archiving from;
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ie. 'base_dir' will be the common prefix of all files and
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directories in the archive. 'root_dir' and 'base_dir' both default
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to the current directory. Returns the name of the archive file.
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'owner' and 'group' are used when creating a tar archive. By default,
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uses the current owner and group.
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save_cwd = os.getcwd()
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if root_dir is not None:
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log.debug("changing into '%s'", root_dir)
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base_name = os.path.abspath(base_name)
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kwargs = {'dry_run': dry_run}
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format_info = ARCHIVE_FORMATS[format]
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raise ValueError, "unknown archive format '%s'" % format
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func = format_info[0]
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for arg, val in format_info[1]:
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kwargs['owner'] = owner
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kwargs['group'] = group
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filename = func(base_name, base_dir, **kwargs)
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if root_dir is not None:
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log.debug("changing back to '%s'", save_cwd)
1
"""distutils.archive_util
3
Utility functions for creating archive files (tarballs, zip files,
4
that sort of thing)."""
9
from warnings import warn
12
from distutils.errors import DistutilsExecError
13
from distutils.spawn import spawn
14
from distutils.dir_util import mkpath
15
from distutils import log
18
from pwd import getpwnam
23
from grp import getgrnam
28
"""Returns a gid, given a group name."""
29
if getgrnam is None or name is None:
32
result = getgrnam(name)
35
if result is not None:
40
"""Returns an uid, given a user name."""
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if getpwnam is None or name is None:
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result = getpwnam(name)
47
if result is not None:
51
def make_tarball(base_name, base_dir, compress="gzip", verbose=0, dry_run=0,
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owner=None, group=None):
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"""Create a (possibly compressed) tar file from all the files under
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'compress' must be "gzip" (the default), "compress", "bzip2", or None.
57
(compress will be deprecated in Python 3.2)
59
'owner' and 'group' can be used to define an owner and a group for the
60
archive that is being built. If not provided, the current owner and group
63
The output tar file will be named 'base_dir' + ".tar", possibly plus
64
the appropriate compression extension (".gz", ".bz2" or ".Z").
66
Returns the output filename.
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tar_compression = {'gzip': 'gz', 'bzip2': 'bz2', None: '', 'compress': ''}
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compress_ext = {'gzip': '.gz', 'bzip2': '.bz2', 'compress': '.Z'}
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# flags for compression program, each element of list will be an argument
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if compress is not None and compress not in compress_ext.keys():
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("bad value for 'compress': must be None, 'gzip', 'bzip2' "
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archive_name = base_name + '.tar'
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if compress != 'compress':
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archive_name += compress_ext.get(compress, '')
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mkpath(os.path.dirname(archive_name), dry_run=dry_run)
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# creating the tarball
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import tarfile # late import so Python build itself doesn't break
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log.info('Creating tar archive')
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def _set_uid_gid(tarinfo):
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tar = tarfile.open(archive_name, 'w|%s' % tar_compression[compress])
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tar.add(base_dir, filter=_set_uid_gid)
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# compression using `compress`
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if compress == 'compress':
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warn("'compress' will be deprecated.", PendingDeprecationWarning)
110
# the option varies depending on the platform
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compressed_name = archive_name + compress_ext[compress]
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if sys.platform == 'win32':
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cmd = [compress, archive_name, compressed_name]
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cmd = [compress, '-f', archive_name]
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spawn(cmd, dry_run=dry_run)
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return compressed_name
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def make_zipfile(base_name, base_dir, verbose=0, dry_run=0):
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"""Create a zip file from all the files under 'base_dir'.
124
The output zip file will be named 'base_name' + ".zip". Uses either the
125
"zipfile" Python module (if available) or the InfoZIP "zip" utility
126
(if installed and found on the default search path). If neither tool is
127
available, raises DistutilsExecError. Returns the name of the output zip
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zip_filename = base_name + ".zip"
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mkpath(os.path.dirname(zip_filename), dry_run=dry_run)
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# If zipfile module is not available, try spawning an external
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spawn(["zip", zipoptions, zip_filename, base_dir],
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except DistutilsExecError:
150
# XXX really should distinguish between "couldn't find
151
# external 'zip' command" and "zip failed".
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raise DistutilsExecError, \
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("unable to create zip file '%s': "
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"could neither import the 'zipfile' module nor "
155
"find a standalone zip utility") % zip_filename
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log.info("creating '%s' and adding '%s' to it",
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zip_filename, base_dir)
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zip = zipfile.ZipFile(zip_filename, "w",
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compression=zipfile.ZIP_DEFLATED)
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for dirpath, dirnames, filenames in os.walk(base_dir):
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for name in filenames:
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path = os.path.normpath(os.path.join(dirpath, name))
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if os.path.isfile(path):
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zip.write(path, path)
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log.info("adding '%s'" % path)
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'gztar': (make_tarball, [('compress', 'gzip')], "gzip'ed tar-file"),
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'bztar': (make_tarball, [('compress', 'bzip2')], "bzip2'ed tar-file"),
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'ztar': (make_tarball, [('compress', 'compress')], "compressed tar file"),
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'tar': (make_tarball, [('compress', None)], "uncompressed tar file"),
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'zip': (make_zipfile, [],"ZIP file")
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def check_archive_formats(formats):
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"""Returns the first format from the 'format' list that is unknown.
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If all formats are known, returns None
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for format in formats:
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if format not in ARCHIVE_FORMATS:
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def make_archive(base_name, format, root_dir=None, base_dir=None, verbose=0,
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dry_run=0, owner=None, group=None):
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"""Create an archive file (eg. zip or tar).
197
'base_name' is the name of the file to create, minus any format-specific
198
extension; 'format' is the archive format: one of "zip", "tar", "ztar",
201
'root_dir' is a directory that will be the root directory of the
202
archive; ie. we typically chdir into 'root_dir' before creating the
203
archive. 'base_dir' is the directory where we start archiving from;
204
ie. 'base_dir' will be the common prefix of all files and
205
directories in the archive. 'root_dir' and 'base_dir' both default
206
to the current directory. Returns the name of the archive file.
208
'owner' and 'group' are used when creating a tar archive. By default,
209
uses the current owner and group.
211
save_cwd = os.getcwd()
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if root_dir is not None:
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log.debug("changing into '%s'", root_dir)
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base_name = os.path.abspath(base_name)
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kwargs = {'dry_run': dry_run}
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format_info = ARCHIVE_FORMATS[format]
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raise ValueError, "unknown archive format '%s'" % format
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func = format_info[0]
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for arg, val in format_info[1]:
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kwargs['owner'] = owner
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kwargs['group'] = group
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filename = func(base_name, base_dir, **kwargs)
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if root_dir is not None:
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log.debug("changing back to '%s'", save_cwd)