diff options
| -rw-r--r-- | Lib/shutil.py | 79 |
1 files changed, 45 insertions, 34 deletions
diff --git a/Lib/shutil.py b/Lib/shutil.py index 34a38c4..60c5c6d 100644 --- a/Lib/shutil.py +++ b/Lib/shutil.py @@ -1,15 +1,15 @@ -# Module 'shutil' -- utility functions usable in a shell-like program. -# XXX The copy*() functions here don't copy the data fork on Mac. -# XXX Consider this example code rather than flexible tools. +"""Utility functions for copying files. + +XXX The functions here don't copy the data fork or other metadata on Mac. + +""" import os +import stat -MODEBITS = 010000 # Lower 12 mode bits -# Change this to 01000 (9 mode bits) to avoid copying setuid etc. -# Copy data from src to dst -# def copyfile(src, dst): + """Copy data from src to dst""" fsrc = None fdst = None try: @@ -26,59 +26,70 @@ def copyfile(src, dst): if fsrc: fsrc.close() -# Copy mode bits from src to dst -# def copymode(src, dst): + """Copy mode bits from src to dst""" st = os.stat(src) - mode = divmod(st[0], MODEBITS)[1] + mode = stat.S_IMODE(st[stat.ST_MODE]) os.chmod(dst, mode) -# Copy all stat info (mode bits, atime and mtime) from src to dst -# def copystat(src, dst): + """Copy all stat info (mode bits, atime and mtime) from src to dst""" st = os.stat(src) - mode = divmod(st[0], MODEBITS)[1] + mode = stat.S_IMODE(st[stat.ST_MODE]) os.chmod(dst, mode) - os.utime(dst, st[7:9]) + os.utime(dst, (st[stat.ST_ATIME], st[stat.ST_MODE])) + -# Copy data and mode bits ("cp src dst"). -# Support directory as target. -# def copy(src, dst): + """Copy data and mode bits ("cp src dst"). + + The destination may be a directory. + + """ if os.path.isdir(dst): dst = os.path.join(dst, os.path.basename(src)) copyfile(src, dst) copymode(src, dst) -# Copy data and all stat info ("cp -p src dst"). -# Support directory as target. -# def copy2(src, dst): + """Copy data and all stat info ("cp -p src dst"). + + The destination may be a directory. + + """ if os.path.isdir(dst): dst = os.path.join(dst, os.path.basename(src)) copyfile(src, dst) copystat(src, dst) -# Recursively copy a directory tree. -# The destination must not already exist. -# -def copytree(src, dst): + +def copytree(src, dst, symlinks=0): + """Recursively copy a directory tree using copy2(). + + The destination directory must not already exist. + Error are reported to standard output. + + If the optional symlinks flag is true, symbolic links in the + source tree result in symbolic links in the destination tree; if + it is false, the contents of the files pointed to by symbolic + links are copied. + + XXX Consider this example code rather than the ultimate tool. + + """ names = os.listdir(src) - os.mkdir(dst, 0777) + os.mkdir(dst) for name in names: srcname = os.path.join(src, name) dstname = os.path.join(dst, name) - #print 'Copying', srcname, 'to', dstname try: - #if os.path.islink(srcname): - # linkto = os.readlink(srcname) - # os.symlink(linkto, dstname) - #elif os.path.isdir(srcname): - if os.path.isdir(srcname): + if symlinks and os.path.islink(srcname): + linkto = os.readlink(srcname) + os.symlink(linkto, dstname) + elif os.path.isdir(srcname): copytree(srcname, dstname) else: copy2(srcname, dstname) # XXX What about devices, sockets etc.? - except os.error, why: - print 'Could not copy', srcname, 'to', dstname, - print '(', why[1], ')' + except (IOError, os.error), why: + print "Can't copy %s to %s: %s" % (`srcname`, `dstname`, str(why)) |