16 def _copy_file_contents(src, dst, buffer_size=16*1024):  argument
33         if os.path.exists(dst):
35                 os.unlink(dst)
38                       "could not delete '%s': %s" % (dst, e.strerror))
41             fdst = open(dst, 'wb')
44                   "could not create '%s': %s" % (dst, e.strerror))
60                       "could not write to '%s': %s" % (dst, e.strerror))
67 def copy_file(src, dst, preserve_mode=1, preserve_times=1, update=0,  argument
107     if os.path.isdir(dst):
108         dir = dst
109         dst = os.path.join(dst, os.path.basename(src))
111         dir = os.path.dirname(dst)
113     if update and not newer(src, dst):
116         return (dst, 0)
124         if os.path.basename(dst) == os.path.basename(src):
127             log.info("%s %s -> %s", action, src, dst)
130         return (dst, 1)
135         if not (os.path.exists(dst) and os.path.samefile(src, dst)):
137                 os.link(src, dst)
138                 return (dst, 1)
145         if not (os.path.exists(dst) and os.path.samefile(src, dst)):
146             os.symlink(src, dst)
147             return (dst, 1)
151     _copy_file_contents(src, dst)
158             os.utime(dst, (st[ST_ATIME], st[ST_MTIME]))
160             os.chmod(dst, S_IMODE(st[ST_MODE]))
162     return (dst, 1)
166 def move_file (src, dst,  argument
181         log.info("moving %s -> %s", src, dst)
184         return dst
189     if isdir(dst):
190         dst = os.path.join(dst, basename(src))
191     elif exists(dst):
194               (src, dst))
196     if not isdir(dirname(dst)):
199               (src, dst))
203         os.rename(src, dst)
210                   "couldn't move '%s' to '%s': %s" % (src, dst, msg))
213         copy_file(src, dst, verbose=verbose)
219                 os.unlink(dst)
225                   % (src, dst, src, msg))
226     return dst