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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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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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from stdhome.file_matcher import FileMatcher
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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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disposable. In other words, this will happily overwrite stuff in the home
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directory, without regard to its content.
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directory. During an update, it is run *after* checking for conflicts that
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might occur during copy-out, so any conflicts that exist can be assumed to
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be unimportant and disposable. In other words, this will happily overwrite
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stuff in the home directory, without regard to its content.
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Walker source: repo
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Walker destination: home dir
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that no longer exists in the repo
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def __init__( self, updated_files = None ):
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def __init__( self, walk_files = None ):
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CopyBaseWalker.__init__( self )
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self.src_dir = the.repo.full_dir
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self.dst_dir = the.full_fsdir
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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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def process( self, rel_file, src_file, src_type, dst_file, dst_type ):
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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 the.verbose: print " _<d " + rel_file
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shutil.copystat( src_file, dst_file )
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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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elif dst_type == 'f' or dst_type == 'l':
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if the.verbose: print " %s<d %s" % ( dst_type, rel_file )
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shutil.copystat( src_file, dst_file )
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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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# TODO: should check permission and only do as necessary
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if the.verbose: print " d<d " + rel_file
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shutil.copystat( src_file, dst_file )
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raise NotImplementedError()
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# if entity doesn't exist in home dir, copy file
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if the.verbose: 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 symlink in home dir, replace it with file
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if the.verbose: print " l<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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if not filecmp.cmp( src_file, dst_file ):
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if the.verbose: 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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if the.verbose: 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: 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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raise NotImplementedError()
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# if entity doesn't exist in home dir, copy symlink
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if the.verbose: 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: 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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if the.verbose: 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: 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: 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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raise NotImplementedError()
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# TODO: handle files missing in repo -- we may or may not want to remove
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# them from home dir, depending on whether we wanted to delete them
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# remotely or whether we just wanted to remove them from version control
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# non-directories can not be recursed in to
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self.dst_dir = the.full_home_dir
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self.walk_list = walk_files if walk_files is not None else \
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self.generate_walk_list()
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self.check_dst_symlinks = True
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self.check_dst_ignores = True
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def print_op( self, rel_file, operation ):
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operation = re.sub( r'(.)(.)(.)', r'\3\2\1', operation )
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operation = re.sub( r'\>', r'<', operation )
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print " %s %s" % ( operation, rel_file )
added
removed
lib/stdhome/walker/copy_out.py
