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| Original file line number | Diff line number | Diff line change |
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| @@ -1 +1 @@ | ||
| SageMath version 7.3.beta6, Release Date: 2016-06-30 | ||
| SageMath version 7.3.rc0, Release Date: 2016-07-28 |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,245 +1,23 @@ | ||
| #!/usr/bin/env python | ||
|
|
||
| """ | ||
| USAGE: | ||
| sage-uncompress-spkg [-d DIR] PKG [FILE] | ||
| With a single argument, unpack the file PKG to the current directory. | ||
| If a directory is specified with the -d option the contents of | ||
| the archive are extracted into that directory using the following | ||
| rules: | ||
| 1. If the archive contains (like most) a top-level directory | ||
| which contains all other files in the archive, the contents | ||
| of that directory are extracted into DIR, ignoring the name | ||
| of the top-level directory in the archive. | ||
| 2. If the archive does not contain a single top-level directory | ||
| then all the contents of the archive are extracted into DIR. | ||
| The directory must not already exist. | ||
| If FILE is specified, extract FILE from PKG and send it to | ||
| stdout. (This option is present only for backwards compatibility: | ||
| printing the SPKG.txt file from an old-style spkg.) | ||
| """ | ||
|
|
||
| from __future__ import print_function | ||
|
|
||
| import argparse | ||
| import copy | ||
| import os | ||
| import sys | ||
| import tarfile | ||
| import zipfile | ||
|
|
||
|
|
||
| def filter_os_files(filenames): | ||
| """ | ||
| Given a list of filenames, returns a filtered list with OS-specific | ||
| special files removed. | ||
| Currently removes OSX .DS_Store files and AppleDouble format ._ files. | ||
| """ | ||
|
|
||
| files_set = set(filenames) | ||
|
|
||
| def is_os_file(path): | ||
| dirname, name = os.path.split(path) | ||
|
|
||
| if name == '.DS_Store': | ||
| return True | ||
|
|
||
| if name.startswith('._'): | ||
| name = os.path.join(dirname, name[2:]) | ||
| # These files store extended attributes on OSX | ||
| # In principle this could be a false positive but it's | ||
| # unlikely, and to be really sure we'd have to extract the file | ||
| # (or at least the first four bytes to check for the magic number | ||
| # documented in | ||
| # http://kaiser-edv.de/documents/AppleSingle_AppleDouble.pdf) | ||
| if name in files_set or os.path.normpath(name) in files_set: | ||
| return True | ||
|
|
||
| return False | ||
|
|
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| filenames = filter(lambda f: not is_os_file(f), filenames) | ||
|
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| if sys.version_info[0] == 2: | ||
| return filenames | ||
| else: | ||
| # Make sure to return a list on Python >= 3 | ||
| return list(filenames) | ||
|
|
||
|
|
||
| class SageTarFile(tarfile.TarFile): | ||
| """ | ||
| Sage as tarfile.TarFile, but applies the user's current umask to the | ||
| permissions of all extracted files and directories. | ||
| This mimics the default behavior of the ``tar`` utility. | ||
| See http://trac.sagemath.org/ticket/20218#comment:16 for more background. | ||
| """ | ||
|
|
||
| def __init__(self, *args, **kwargs): | ||
| super(SageTarFile, self).__init__(*args, **kwargs) | ||
|
|
||
| # Unfortunately the only way to get the current umask is to set it | ||
| # and then restore it | ||
| self.umask = os.umask(0o777) | ||
| os.umask(self.umask) | ||
|
|
||
| @classmethod | ||
| def can_read(cls, filename): | ||
| """ | ||
| Given an archive filename, returns True if this class can read and | ||
| process the archive format of that file. | ||
| """ | ||
|
|
||
| return tarfile.is_tarfile(filename) | ||
|
|
||
| @property | ||
| def names(self): | ||
| """ | ||
| List of filenames in the archive. | ||
| Filters out names of OS-related files that shouldn't be in the | ||
| archive (.DS_Store, etc.) | ||
| """ | ||
|
|
||
| return filter_os_files(self.getnames()) | ||
|
|
||
| def chmod(self, tarinfo, target): | ||
| tarinfo = copy.copy(tarinfo) | ||
| tarinfo.mode &= ~self.umask | ||
| return super(SageTarFile, self).chmod(tarinfo, target) | ||
|
|
||
| def extractall(self, path='.', members=None): | ||
| """ | ||
| Same as tarfile.TarFile.extractall but allows filenames for | ||
| the members argument (like zipfile.ZipFile). | ||
| """ | ||
| if members: | ||
| name_to_member = dict([member.name, member] for member in self.getmembers()) | ||
| members = [m if isinstance(m, tarfile.TarInfo) | ||
| else name_to_member[m] | ||
| for m in members] | ||
| return super(SageTarFile, self).extractall(path=path, members=members) | ||
|
|
||
| def extractbytes(self, member): | ||
| """ | ||
| Return the contents of the specified archive member as bytes. | ||
| If the member does not exist, returns None. | ||
| """ | ||
|
|
||
| if member in self.getnames(): | ||
| reader = self.extractfile(member) | ||
| return reader.read() | ||
|
|
||
|
|
||
| class SageZipFile(zipfile.ZipFile): | ||
| """ | ||
| Wrapper for zipfile.ZipFile to provide better API fidelity with | ||
| SageTarFile insofar as it's used by this script. | ||
| """ | ||
|
|
||
| @classmethod | ||
| def can_read(cls, filename): | ||
| """ | ||
| Given an archive filename, returns True if this class can read and | ||
| process the archive format of that file. | ||
| """ | ||
|
|
||
| return zipfile.is_zipfile(filename) | ||
|
|
||
| @property | ||
| def names(self): | ||
| """ | ||
| List of filenames in the archive. | ||
| Filters out names of OS-related files that shouldn't be in the | ||
| archive (.DS_Store, etc.) | ||
| """ | ||
|
|
||
| return filter_os_files(self.namelist()) | ||
|
|
||
| def extractbytes(self, member): | ||
| """ | ||
| Return the contents of the specified archive member as bytes. | ||
| If the member does not exist, returns None. | ||
| """ | ||
|
|
||
| if member in self.namelist(): | ||
| return self.read(member) | ||
|
|
||
|
|
||
| ARCHIVE_TYPES = [SageTarFile, SageZipFile] | ||
|
|
||
|
|
||
| def main(argv=None): | ||
| parser = argparse.ArgumentParser() | ||
| parser.add_argument('-d', dest='dir', nargs=1, metavar='DIR', | ||
| help='directory to extract archive contents into') | ||
| parser.add_argument('pkg', nargs=1, metavar='PKG', | ||
| help='the archive to extract') | ||
| parser.add_argument('file', nargs='?', metavar='FILE', | ||
| help='(deprecated) print the contents of the given ' | ||
| 'archive member to stdout') | ||
|
|
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| args = parser.parse_args(argv) | ||
|
|
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| filename = args.pkg[0] | ||
| dirname = args.dir and args.dir[0] | ||
|
|
||
| for cls in ARCHIVE_TYPES: | ||
| if cls.can_read(filename): | ||
| break | ||
| else: | ||
| print('Error: Unknown file type: {}'.format(filename), | ||
| file=sys.stderr) | ||
| return 1 | ||
|
|
||
| # For now ZipFile and TarFile both have default open modes that are | ||
| # acceptable | ||
| archive = cls.open(filename) | ||
|
|
||
| if args.file: | ||
| contents = archive.extractbytes(args.file) | ||
| if contents: | ||
| print(contents, end='') | ||
| return 0 | ||
| else: | ||
| return 1 | ||
|
|
||
| top_level = None | ||
|
|
||
| if dirname: | ||
| if os.path.exists(dirname): | ||
| print('Error: Directory {} already exists'.format(dirname), | ||
| file=sys.stderr) | ||
| return 1 | ||
|
|
||
| top_levels = set() | ||
| for member in archive.names: | ||
| # Zip and tar files all use forward slashes as separators | ||
| # internally | ||
| top_levels.add(member.split('/', 1)[0]) | ||
|
|
||
| if len(top_levels) == 1: | ||
| top_level = top_levels.pop() | ||
|
|
||
| archive.extractall(members=archive.names) | ||
|
|
||
| if top_level: | ||
| os.rename(top_level, dirname) | ||
|
|
||
| return 0 | ||
|
|
||
|
|
||
| if __name__ == '__main__': | ||
| sys.exit(main()) | ||
| # usage: sage-uncompress-spkg [-h] [-d DIR] PKG [FILE] | ||
| # | ||
| # positional arguments: | ||
| # PKG the archive to extract | ||
| # FILE (deprecated) print the contents of the given archive member to | ||
| # stdout | ||
| # | ||
| # optional arguments: | ||
| # -h, --help show this help message and exit | ||
| # -d DIR directory to extract archive contents into | ||
|
|
||
|
|
||
| try: | ||
| import sage_bootstrap | ||
| except ImportError: | ||
| import os, sys | ||
| sys.path.insert(0, os.path.join(os.path.dirname(__file__), '..')) | ||
| import sage_bootstrap | ||
|
|
||
| from sage_bootstrap.uncompress.cmdline import run | ||
| run() |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,4 +1,4 @@ | ||
| $(MP_LIBRARY) glpk | ||
| zlib $(MP_LIBRARY) glpk | ||
|
|
||
| ---------- | ||
| All lines of this file are ignored except the first. | ||
|
|
||
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