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- Committer: Tim Marston
- Date: 2014-04-05 17:30:58 UTC
- Revision ID: tim@ed.am-20140405173058-1oyw150nzmxhbc6o
moved funcitonality of copy-out walker in to base class and made copy-out walker
a specialisation of it
a specialisation of it
- files added:
- lib/stdhome/walker/copy_base.py
- files modified:
- lib/stdhome/walker/copy_out.py
added
removed
lib/stdhome/walker/copy_out.py
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import filecmp, os, shutil
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from walker import Walker
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from copy_base import CopyBaseWalker
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import stdhome.the as the
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class CopyOutWalker( Walker ):
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class CopyOutWalker( CopyBaseWalker ):
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"""The copy-out walker traverses the repo, copying its content to the home
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directory. It is run *after* checking for conflicts that might occur during
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copy-out, so any conflicts that exist can be assumed to be unimportant and
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self.walk_list = updated_files if updated_files is not None else \
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self.generate_walk_list( the.repo.full_dir )
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self.accept_symlinks = list()
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def process( self, rel_file, src, dst ):
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# directory (in repo)
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if src.type == 'd':
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# if entity doesn't exist in home dir, create directory (no need to
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# recurse, since we're copying the whole directory)
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if dst.type == '_':
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if the.verbose > 1: print " _<d " + rel_file
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os.mkdir( dst.file )
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shutil.copystat( src.file, dst.file )
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return False
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# if entity is a directory in home dir, copy permissions, as
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# required (and recurse)
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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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if the.verbose > 1: print " d<d " + rel_file
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shutil.copystat( src.file, dst.file )
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return True
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# TODO: if entity is a symlink to a directory, and this is
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# acceptable, just recurse
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# elif dst.link_type == 'd' and self.accept_list.match( rel_file ):
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# if the.verbose > 1: print " d@=d " + rel_file
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# return True
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# if entity is a file or symlink in home dir, replace it with
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# directory (no need to recurse, since we're copying the whole
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# directory)
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elif dst.type == 'f' or dst.type == 'l':
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if the.verbose > 1: print " %s<d %s" % ( dst.type, rel_file )
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os.unlink( dst.file )
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os.mkdir( dst.file )
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shutil.copystat( src.file, dst.file )
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return False
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else:
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raise NotImplementedError()
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# file (in repo)
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if src.type == 'f':
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# if entity doesn't exist in home dir, copy file
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if dst.type == '_':
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if the.verbose > 1: print " _<f " + rel_file
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shutil.copy( src.file, dst.file )
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shutil.copystat( src.file, dst.file )
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# if entity is a file in home dir, replace it only if it differs
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elif dst.type == 'f':
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if not filecmp.cmp( src.file, dst.file ):
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if the.verbose > 1: print " f<f " + rel_file
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os.unlink( dst.file )
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shutil.copy( src.file, dst.file )
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shutil.copystat( src.file, dst.file )
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else:
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if the.verbose > 1: print " f=f " + rel_file
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# if entity is a directory in home dir, replace it with file
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elif dst.type == 'd':
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if the.verbose > 1: print " d<f " + rel_file
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shutil.rmtree( dst.file )
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shutil.copy( src.file, dst.file )
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shutil.copystat( src.file, dst.file )
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# if entity is a symlink in home dir, replace it with file
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elif dst.type == 'l':
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if the.verbose > 1: print " l<f " + rel_file
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os.unlink( dst.file )
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shutil.copy( src.file, dst.file )
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shutil.copystat( src.file, dst.file )
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else:
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raise NotImplementedError()
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# link (in repo)
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if src.type == 'l':
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# if entity doesn't exist in home dir, copy symlink
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if dst.type == '_':
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if the.verbose > 1: print " _<l " + rel_file
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os.symlink( os.readlink( src.file ), dst.file )
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# if entity is a symlink in home dir, replace it only if it differs
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elif dst.type == 'l':
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if os.readlink( src.file ) != os.readlink( dst.file ):
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if the.verbose > 1: print " l<l " + rel_file
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os.unlink( dst.file )
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os.symlink( os.readlink( src.file ), dst.file )
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else:
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if the.verbose > 1: print " l=l " + rel_file
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# if entity is a file in home dir, replace it with file
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elif dst.type == 'f':
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if the.verbose > 1: print " f<l " + rel_file
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os.unlink( dst.file )
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os.symlink( os.readlink( src.file ), dst.file )
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# if entity is a directory in home dir, replace it with file
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elif dst.type == 'd':
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if the.verbose > 1: print " d<l " + rel_file
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shutil.rmtree( dst.file )
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os.symlink( os.readlink( src.file ), dst.file )
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else:
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raise NotImplementedError()
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# deleted file (in repo)
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if src.type == '_':
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# if entity doesn't exist in home dir, we're good
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if dst.type == '_':
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pass;
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# if entity is a file or symlink in home dir, delete it
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if dst.type == 'f' or dst.type == 'l':
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if the.verbose > 1: print " %s<_ %s" % ( dst.type, rel_file )
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os.unlink( dst.file )
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# if entity is a directory in home dir, delete it
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elif dst.type == 'd':
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if the.verbose > 1: print " d<_ " + rel_file
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shutil.rmtree( dst.file )
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else:
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raise NotImplementedError()
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# non-directories can not be recursed in to
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return False
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def print_cp( self, rel_file, src_type, dst_type, operation = '<' ):
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if( the.verbose <= 1 ): return
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print " %s%s%s %s" % ( dst_type, operation, src_type, rel_file )
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