FM / distutils

/snap/core18/2999/usr/lib/python3.6/distutils/

/snap/core18/2999/usr/lib/python3.6/distutils

Name	Size	Mode	Actions
command/	-	0755	rm
__pycache__/	-	0755	rm
archive_util.py	8518	0644	edit dl rm
bcppcompiler.py	14935	0644	edit dl rm
ccompiler.py	47415	0644	edit dl rm
cmd.py	19129	0644	edit dl rm
config.py	4880	0644	edit dl rm
core.py	8876	0644	edit dl rm
cygwinccompiler.py	16475	0644	edit dl rm
debug.py	139	0644	edit dl rm
dep_util.py	3491	0644	edit dl rm
dir_util.py	8364	0644	edit dl rm
dist.py	49690	0644	edit dl rm
errors.py	3577	0644	edit dl rm
extension.py	10515	0644	edit dl rm
fancy_getopt.py	17784	0644	edit dl rm
filelist.py	12832	0644	edit dl rm
file_util.py	8148	0644	edit dl rm
log.py	1969	0644	edit dl rm
msvc9compiler.py	30612	0644	edit dl rm
msvccompiler.py	23576	0644	edit dl rm
README	295	0644	edit dl rm
spawn.py	7427	0644	edit dl rm
sysconfig.py	21517	0644	edit dl rm
text_file.py	12483	0644	edit dl rm
unixccompiler.py	15057	0644	edit dl rm
util.py	20789	0644	edit dl rm
version.py	12345	0644	edit dl rm
versionpredicate.py	5133	0644	edit dl rm
_msvccompiler.py	21579	0644	edit dl rm
__init__.py	236	0644	edit dl rm

Edit: /snap/core18/2999/usr/lib/python3.6/distutils/dep_util.py (3491B)

"""distutils.dep_util

Utility functions for simple, timestamp-based dependency of files
and groups of files; also, function based entirely on such
timestamp dependency analysis."""

import os
from distutils.errors import DistutilsFileError

def newer (source, target):
    """Return true if 'source' exists and is more recently modified than
    'target', or if 'source' exists and 'target' doesn't.  Return false if
    both exist and 'target' is the same age or younger than 'source'.
    Raise DistutilsFileError if 'source' does not exist.
    """
    if not os.path.exists(source):
        raise DistutilsFileError("file '%s' does not exist" %
                                 os.path.abspath(source))
    if not os.path.exists(target):
        return 1

from stat import ST_MTIME
    mtime1 = os.stat(source)[ST_MTIME]
    mtime2 = os.stat(target)[ST_MTIME]

return mtime1 > mtime2

# newer ()

def newer_pairwise (sources, targets):
    """Walk two filename lists in parallel, testing if each source is newer
    than its corresponding target.  Return a pair of lists (sources,
    targets) where source is newer than target, according to the semantics
    of 'newer()'.
    """
    if len(sources) != len(targets):
        raise ValueError("'sources' and 'targets' must be same length")

# build a pair of lists (sources, targets) where  source is newer
    n_sources = []
    n_targets = []
    for i in range(len(sources)):
        if newer(sources[i], targets[i]):
            n_sources.append(sources[i])
            n_targets.append(targets[i])

return (n_sources, n_targets)

# newer_pairwise ()

def newer_group (sources, target, missing='error'):
    """Return true if 'target' is out-of-date with respect to any file
    listed in 'sources'.  In other words, if 'target' exists and is newer
    than every file in 'sources', return false; otherwise return true.
    'missing' controls what we do when a source file is missing; the
    default ("error") is to blow up with an OSError from inside 'stat()';
    if it is "ignore", we silently drop any missing source files; if it is
    "newer", any missing source files make us assume that 'target' is
    out-of-date (this is handy in "dry-run" mode: it'll make you pretend to
    carry out commands that wouldn't work because inputs are missing, but
    that doesn't matter because you're not actually going to run the
    commands).
    """
    # If the target doesn't even exist, then it's definitely out-of-date.
    if not os.path.exists(target):
        return 1

# Otherwise we have to find out the hard way: if *any* source file
    # is more recent than 'target', then 'target' is out-of-date and
    # we can immediately return true.  If we fall through to the end
    # of the loop, then 'target' is up-to-date and we return false.
    from stat import ST_MTIME
    target_mtime = os.stat(target)[ST_MTIME]
    for source in sources:
        if not os.path.exists(source):
            if missing == 'error':      # blow up when we stat() the file
                pass
            elif missing == 'ignore':   # missing source dropped from
                continue                #  target's dependency list
            elif missing == 'newer':    # missing source means target is
                return 1                #  out-of-date

source_mtime = os.stat(source)[ST_MTIME]
        if source_mtime > target_mtime:
            return 1
    else:
        return 0

# newer_group ()

"""distutils.dep_util Utility functions for simple, timestamp-based dependency of files and groups of files; also, function based entirely on such timestamp dependency analysis.""" import os from distutils.errors import DistutilsFileError def newer (source, target): """Return true if 'source' exists and is more recently modified than 'target', or if 'source' exists and 'target' doesn't. Return false if both exist and 'target' is the same age or younger than 'source'. Raise DistutilsFileError if 'source' does not exist. """ if not os.path.exists(source): raise DistutilsFileError("file '%s' does not exist" % os.path.abspath(source)) if not os.path.exists(target): return 1 from stat import ST_MTIME mtime1 = os.stat(source)[ST_MTIME] mtime2 = os.stat(target)[ST_MTIME] return mtime1 > mtime2 # newer () def newer_pairwise (sources, targets): """Walk two filename lists in parallel, testing if each source is newer than its corresponding target. Return a pair of lists (sources, targets) where source is newer than target, according to the semantics of 'newer()'. """ if len(sources) != len(targets): raise ValueError("'sources' and 'targets' must be same length") # build a pair of lists (sources, targets) where source is newer n_sources = [] n_targets = [] for i in range(len(sources)): if newer(sources[i], targets[i]): n_sources.append(sources[i]) n_targets.append(targets[i]) return (n_sources, n_targets) # newer_pairwise () def newer_group (sources, target, missing='error'): """Return true if 'target' is out-of-date with respect to any file listed in 'sources'. In other words, if 'target' exists and is newer than every file in 'sources', return false; otherwise return true. 'missing' controls what we do when a source file is missing; the default ("error") is to blow up with an OSError from inside 'stat()'; if it is "ignore", we silently drop any missing source files; if it is "newer", any missing source files make us assume that 'target' is out-of-date (this is handy in "dry-run" mode: it'll make you pretend to carry out commands that wouldn't work because inputs are missing, but that doesn't matter because you're not actually going to run the commands). """ # If the target doesn't even exist, then it's definitely out-of-date. if not os.path.exists(target): return 1 # Otherwise we have to find out the hard way: if *any* source file # is more recent than 'target', then 'target' is out-of-date and # we can immediately return true. If we fall through to the end # of the loop, then 'target' is up-to-date and we return false. from stat import ST_MTIME target_mtime = os.stat(target)[ST_MTIME] for source in sources: if not os.path.exists(source): if missing == 'error': # blow up when we stat() the file pass elif missing == 'ignore': # missing source dropped from continue # target's dependency list elif missing == 'newer': # missing source means target is return 1 # out-of-date source_mtime = os.stat(source)[ST_MTIME] if source_mtime > target_mtime: return 1 else: return 0 # newer_group ()