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authorOri Bernstein <ori@eigenstate.org>2021-06-14 00:00:37 +0000
committerOri Bernstein <ori@eigenstate.org>2021-06-14 00:00:37 +0000
commita73a964e51247ed169d322c725a3a18859f109a3 (patch)
tree3f752d117274d444bda44e85609aeac1acf313f3 /sys/lib/python/shutil.py
parente64efe273fcb921a61bf27d33b230c4e64fcd425 (diff)
python, hg: tow outside the environment.
they've served us well, and can ride off into the sunset.
Diffstat (limited to 'sys/lib/python/shutil.py')
-rw-r--r--sys/lib/python/shutil.py203
1 files changed, 0 insertions, 203 deletions
diff --git a/sys/lib/python/shutil.py b/sys/lib/python/shutil.py
deleted file mode 100644
index c3ff687bf..000000000
--- a/sys/lib/python/shutil.py
+++ /dev/null
@@ -1,203 +0,0 @@
-"""Utility functions for copying files and directory trees.
-
-XXX The functions here don't copy the resource fork or other metadata on Mac.
-
-"""
-
-import os
-import sys
-import stat
-from os.path import abspath
-
-__all__ = ["copyfileobj","copyfile","copymode","copystat","copy","copy2",
- "copytree","move","rmtree","Error"]
-
-class Error(EnvironmentError):
- pass
-
-def copyfileobj(fsrc, fdst, length=16*1024):
- """copy data from file-like object fsrc to file-like object fdst"""
- while 1:
- buf = fsrc.read(length)
- if not buf:
- break
- fdst.write(buf)
-
-def _samefile(src, dst):
- # Macintosh, Unix.
- if hasattr(os.path,'samefile'):
- try:
- return os.path.samefile(src, dst)
- except OSError:
- return False
-
- # All other platforms: check for same pathname.
- return (os.path.normcase(os.path.abspath(src)) ==
- os.path.normcase(os.path.abspath(dst)))
-
-def copyfile(src, dst):
- """Copy data from src to dst"""
- if _samefile(src, dst):
- raise Error, "`%s` and `%s` are the same file" % (src, dst)
-
- fsrc = None
- fdst = None
- try:
- fsrc = open(src, 'rb')
- fdst = open(dst, 'wb')
- copyfileobj(fsrc, fdst)
- finally:
- if fdst:
- fdst.close()
- if fsrc:
- fsrc.close()
-
-def copymode(src, dst):
- """Copy mode bits from src to dst"""
- if hasattr(os, 'chmod'):
- st = os.stat(src)
- mode = stat.S_IMODE(st.st_mode)
- os.chmod(dst, mode)
-
-def copystat(src, dst):
- """Copy all stat info (mode bits, atime and mtime) from src to dst"""
- st = os.stat(src)
- mode = stat.S_IMODE(st.st_mode)
- if hasattr(os, 'utime'):
- os.utime(dst, (st.st_atime, st.st_mtime))
- if hasattr(os, 'chmod'):
- os.chmod(dst, mode)
-
-
-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)
-
-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)
-
-
-def copytree(src, dst, symlinks=False):
- """Recursively copy a directory tree using copy2().
-
- The destination directory must not already exist.
- If exception(s) occur, an Error is raised with a list of reasons.
-
- 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.makedirs(dst)
- errors = []
- for name in names:
- srcname = os.path.join(src, name)
- dstname = os.path.join(dst, name)
- try:
- if symlinks and os.path.islink(srcname):
- linkto = os.readlink(srcname)
- os.symlink(linkto, dstname)
- elif os.path.isdir(srcname):
- copytree(srcname, dstname, symlinks)
- else:
- copy2(srcname, dstname)
- # XXX What about devices, sockets etc.?
- except (IOError, os.error), why:
- errors.append((srcname, dstname, str(why)))
- # catch the Error from the recursive copytree so that we can
- # continue with other files
- except Error, err:
- errors.extend(err.args[0])
- try:
- copystat(src, dst)
- except WindowsError:
- # can't copy file access times on Windows
- pass
- except OSError, why:
- errors.extend((src, dst, str(why)))
- if errors:
- raise Error, errors
-
-def rmtree(path, ignore_errors=False, onerror=None):
- """Recursively delete a directory tree.
-
- If ignore_errors is set, errors are ignored; otherwise, if onerror
- is set, it is called to handle the error with arguments (func,
- path, exc_info) where func is os.listdir, os.remove, or os.rmdir;
- path is the argument to that function that caused it to fail; and
- exc_info is a tuple returned by sys.exc_info(). If ignore_errors
- is false and onerror is None, an exception is raised.
-
- """
- if ignore_errors:
- def onerror(*args):
- pass
- elif onerror is None:
- def onerror(*args):
- raise
- names = []
- try:
- names = os.listdir(path)
- except os.error, err:
- onerror(os.listdir, path, sys.exc_info())
- for name in names:
- fullname = os.path.join(path, name)
- try:
- mode = os.lstat(fullname).st_mode
- except os.error:
- mode = 0
- if stat.S_ISDIR(mode):
- rmtree(fullname, ignore_errors, onerror)
- else:
- try:
- os.remove(fullname)
- except os.error, err:
- onerror(os.remove, fullname, sys.exc_info())
- try:
- os.rmdir(path)
- except os.error:
- onerror(os.rmdir, path, sys.exc_info())
-
-def move(src, dst):
- """Recursively move a file or directory to another location.
-
- If the destination is on our current filesystem, then simply use
- rename. Otherwise, copy src to the dst and then remove src.
- A lot more could be done here... A look at a mv.c shows a lot of
- the issues this implementation glosses over.
-
- """
-
- try:
- os.rename(src, dst)
- except OSError:
- if os.path.isdir(src):
- if destinsrc(src, dst):
- raise Error, "Cannot move a directory '%s' into itself '%s'." % (src, dst)
- copytree(src, dst, symlinks=True)
- rmtree(src)
- else:
- copy2(src,dst)
- os.unlink(src)
-
-def destinsrc(src, dst):
- return abspath(dst).startswith(abspath(src))