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import filecmp, os, shutil
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from walker import Walker
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import stdhome.the as the
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from .walker import Walker
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from stdhome import the
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from stdhome import util
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class CopyBaseWalker( Walker ):
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"""The copy-base walker traverses a walklist ruthlessly mirroring src to dst.
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It is designed to be the base class of both the copy-in and copy-out walker,
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both of which are specialisations of this purpose. See them for more
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information. The print_op method, derived in those classes, takes, in
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addition to the relative filename, a source file type, an operation, and a
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sestination file type. Valid file types are f (file), l (symlink), d
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(directory) and _ (non-existant). Valid operations are * (modify), = (skip:
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same), @ (skip: symlink substitute) and # (skip: ignored).
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information. The report method, which can be overridden in derived classes,
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takes, in addition to the relative filename, a source file type, an
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operation, and a destination file type. Valid file types are f (file), l
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(symlink), d (directory) and _ (non-existant). Valid operations are *
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(modify), = (skip: same), @ (skip: symlink substitute) and # (skip:
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self.check_src_symlinks = False
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self.check_dst_symlinks = False
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self.check_dst_ignores = False
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def print_op( self, rel_file, src, op, dst ):
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if self.report and op == '*':
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print(" N %s" % ( rel_file ))
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print(" D %s" % ( rel_file ))
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print(" M %s" % ( rel_file ))
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print(" K %s" % ( rel_file ))
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def process( self, rel_file, src, dst ):
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# src entity is directory
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if src.type == 'd':
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# if dst entity doesn't exist, create directory (no need to recurse,
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# since we're copying the whole directory)
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# if dst entity doesn't exist, create it (and recurse)
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if dst.type == '_':
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self.print_op( rel_file, 'd', '*', '_' )
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shutil.copytree( src.file, dst.file, True )
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shutil.copystat( src.file, dst.file )
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# if dst entity is a directory, copy permissions, as required (and
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elif dst.type == 'd':
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# TODO: should check permission and only do as necessary
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self.print_op( rel_file, 'd', '*', 'd' )
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shutil.copystat( src.file, dst.file )
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if os.stat( src.file ).st_mode != os.stat( dst.file ).st_mode:
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self.print_op( rel_file, 'd', '*', 'd' )
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shutil.copystat( src.file, dst.file )
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self.print_op( rel_file, 'd', '=', 'd' )
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# if dst entity is a symlink to a directory, and this is an