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Transformed comments to doc strings.

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Added symlinks option to copytree.
This commit is contained in:
Guido van Rossum 1997-04-29 14:45:19 +00:00
parent a2baf46c89
commit 9d0a3dfa3d
1 changed files with 45 additions and 34 deletions
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79
Lib/shutil.py
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@ -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))