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  • Committer: Parth Malwankar
  • Date: 2010-02-23 12:05:11 UTC
  • mto: (0.44.2 grep) (6531.3.1 merge-grep)
  • mto: This revision was merged to the branch mainline in revision 6555.
  • Revision ID: parth.malwankar@gmail.com-20100223120511-v7280pk1uotee1f5
initial framework for grep

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__init__.py
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
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"""bzr grep"""
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import os
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from bzrlib.commands import Command, register_command
 
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from bzrlib.commands import Command, register_command, display_command
 
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from bzrlib.option import (
 
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    Option,
 
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    )
 
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from bzrlib.lazy_import import lazy_import
 
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lazy_import(globals(), """
 
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import bzrlib
 
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from bzrlib import (
 
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    errors,
 
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    bzrdir,
 
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    )
 
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""")
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version_info = (0, 1)
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class cmd_grep(Command):
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    """grep command"""
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    takes_args = ['file*']
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    def run(self, file_list):
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        print "Hello World!!!"
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    """Print lines matching PATTERN for specified files.
 
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    """
 
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    takes_args = ['pattern', 'path*']
 
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    takes_options = [
 
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        'verbose',
 
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        Option('line-number', short_name='n',
 
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               help='prefix each line of output with 1-based line number.'),
 
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        Option('null', short_name='z',
 
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               help='Write an ascii NUL (\\0) separator '
 
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               'between files rather than a newline.'),
 
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        Option('ignore-case', short_name='i',
 
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               help='ignore case distinctions while matching.'),
 
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        Option('recursive', short_name='R',
 
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               help='Recurse into subdirectories.'),
 
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        Option('from-root',
 
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               help='Search for pattern starting from the root of the branch.'),
 
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        ]
 
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    @display_command
 
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    def run(self, verbose=False, line_number=False, null=False,
 
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            ignore_case=False, recursive=False, from_root=False,
 
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            path_list=None, pattern=None):
 
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        if path_list == None:
 
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            path_list = ['.']
 
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        else:
 
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            if from_root:
 
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                raise errors.BzrCommandError('cannot specify both --from-root and PATH.')
 
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        print 'pattern:', pattern
 
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        print 'path_list:', path_list
 
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        print 'ignore-case:', ignore_case
 
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        print 'line-number:', line_number
 
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        print 'null:', null
 
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        print 'recursive:', recursive
 
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        print 'from-root:', from_root
 
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        print '=' * 20
 
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        tree, branch, relpath = bzrdir.BzrDir.open_containing_tree_or_branch('.')
 
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        tree.lock_read()
 
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        self.add_cleanup(tree.unlock)
 
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        for path in path_list:
 
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            for fp, fc, fkind, fid, entry in tree.list_files(include_root=False,
 
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                from_dir=relpath, recursive=recursive):
 
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                print 'fp:', fp
 
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                print 'fc:', fc
 
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                print 'fkind:', fkind
 
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                print 'fid:', fid
 
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                print 'entry:', entry
 
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                if fc == 'V' and fkind == 'file':
 
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                    self.file_grep(fp)
 
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                print '~' * 30
 
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    def file_grep(self, path):
 
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        print path + ': grepping ...'
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register_command(cmd_grep)
 
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