185 lines
7.0 KiB
Python
185 lines
7.0 KiB
Python
import commands, dirutil, grp, method, mode2, os.path, pwd, re
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from lex3 import Grammar, PatternRule, RegionRule, PatternGroupRule
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from point2 import Point
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from method import Method, Argument
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class PermGrammar(Grammar):
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rules = [
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PatternRule(r'sticky', r'[tT]'),
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PatternRule(r'setid', r'[sS]'),
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PatternRule(r'read', r'r'),
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PatternRule(r'write', r'w'),
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PatternRule(r'exec', r'x'),
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]
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class PathGrammar(Grammar):
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rules = [
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RegionRule(r'perm', r'(?<=^.)', PermGrammar, r' '),
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PatternGroupRule(r'fields', r'owner', r'[^ ]+ +', r'group', r'[^ ]+ +',
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r'size', r'[^ ]+ +',
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r'mtime', r'[A-Za-z]{3} [ 0-9]{2} [0-9]{2}:[0-9]{2} +',
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r'name', r'[^\n]*'),
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]
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class DirGrammar(Grammar):
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rules = [
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RegionRule(r'file', r'^-', PathGrammar, r'\n'),
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RegionRule(r'blk', r'^b', PathGrammar, r'\n'),
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RegionRule(r'chr', r'^c', PathGrammar, r'\n'),
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RegionRule(r'dir', r'^d', PathGrammar, r'\n'),
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RegionRule(r'lnk', r'^l', PathGrammar, r'\n'),
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RegionRule(r'fifo', r'^p', PathGrammar, r'\n'),
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RegionRule(r'sock', r'^s', PathGrammar, r'\n'),
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RegionRule(r'unk', r'^\?', PathGrammar, r'\n'),
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]
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class Dir(mode2.Fundamental):
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grammar = DirGrammar()
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colors = {
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'blk.start': ('cyan', 'default'),
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'blk.name': ('cyan', 'default'),
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'chr.start': ('yellow', 'default'),
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'chr.name': ('yellow', 'default'),
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'dir.start': ('blue', 'default'),
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'dir.name': ('blue', 'default'),
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'lnk.start': ('green', 'default'),
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'lnk.name': ('green', 'default'),
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'fifo.start': ('red', 'default'),
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'fifo.name': ('red', 'default'),
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'sock.start': ('red', 'default'),
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'sock.name': ('red', 'default'),
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'unk.start': ('magenta', 'default'),
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'unk.name': ('magenta', 'default'),
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'perm.setid': ('yellow', 'default'),
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'perm.sticky': ('yellow', 'default'),
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'perm.read': ('magenta', 'default'),
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'perm.write': ('magenta', 'default'),
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'perm.exec': ('magenta', 'default'),
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'owner': ('cyan', 'default'),
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'group': ('cyan', 'default'),
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'size': ('yellow', 'default'),
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'mtime': ('green', 'default'),
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}
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def __init__(self, w):
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mode2.Fundamental.__init__(self, w)
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self.add_action_and_bindings(RefreshView(), ('C-c r',))
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self.add_action_and_bindings(OpenPath(), ('RETURN',))
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self.add_action_and_bindings(Chmod(), ('C-c m',))
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self.add_action_and_bindings(Chown(), ('C-c o',))
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self.add_action_and_bindings(Chgrp(), ('C-c g',))
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self.add_action_and_bindings(TouchPath(), ('C-c t',))
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self.add_action_and_bindings(RemovePath(), ('DELETE', 'BACKSPACE', 'C-d'))
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def name(self):
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return "Dir"
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class RefreshView(Method):
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def _execute(self, w, **vargs):
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t = dirutil.resolve_token(w)
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s = t.string
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w.buffer.reload()
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dirutil.find_name(w, s)
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class OpenPath(Method):
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def _execute(self, w, **vargs):
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path = dirutil.resolve_path(w)
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w.set_error("opening %r" % path)
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w.application.methods['open-file'].execute(w, filename=path)
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class DirCmd(Method):
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def _make_cmd(self, w, path, **vargs):
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return ''
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def _run(self, w, **vargs):
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basename = dirutil.resolve_name(w)
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path = os.path.join(w.buffer.path, basename)
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cmd = self._make_cmd(w, path, **vargs)
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(status, output) = commands.getstatusoutput(cmd)
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if status != 0:
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w.set_error("%s failed (exit %d)" % (self.name, status))
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w.application.methods['refresh-view'].execute(w, filename=path)
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dirutil.find_name(w, basename)
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class Chmod(DirCmd):
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args = [Argument('mode', type=type(''), prompt="New Mode: ")]
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octal_re = re.compile('^[0-7]{1,4}$')
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symbolic_re = re.compile('(?:[ugoa]*(?:[-+=](?:[rwxXst]*|[ugo]))+ *,?)+')
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def _make_cmd(self, w, path, **vargs):
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return 'chmod %r %r' % (vargs['mode'], path)
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def _execute(self, w, **vargs):
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if self.octal_re.match(vargs['mode']):
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pass
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elif self.symbolic_re.match(vargs['mode']):
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pass
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else:
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w.set_error("Not a valid mode: %r" % vargs['mode'])
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self._run(w, **vargs)
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class Chown(DirCmd):
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args = [Argument('owner', type=type(''), prompt="New Owner: ")]
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def _make_cmd(self, w, path, **vargs):
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return 'chown %r %r' % (vargs['owner'], path)
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def _execute(self, w, **vargs):
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fields = vargs['owner'].split(':')
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if len(fields) == 1:
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(owner, group) = (fields[0], None)
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elif len(fields) == 2:
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(owner, group) = fields
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else:
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w.set_error("Malformed 'owner' argument: %r" % vargs['owner'])
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return
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if not dirutil.valid_owner(owner):
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w.set_error('User %r does not exist' % owner)
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return
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if group is not None and not dirutil.valid_group(group):
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w.set_error('Group %r does not exist' % group)
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return
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self._run(w, **vargs)
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class Chgrp(DirCmd):
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args = [Argument('group', type=type(''), prompt="New Group: ")]
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def _make_cmd(self, w, path, **vargs):
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return 'chgrp %r %r' % (vargs['group'], path)
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def _execute(self, w, **vargs):
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if not dirutil.valid_group(vargs['group']):
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w.set_error('Group %r does not exist' % group)
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return
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self._run(w, **vargs)
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class TouchPath(Method):
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args = [Argument('filename', datatype="path", prompt="Touch File: ")]
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def _execute(self, w, **vargs):
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basename = vargs['filename']
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path = os.path.join(w.buffer.path, basename)
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retval = os.system('touch %r' % path)
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w.application.methods['refresh-view'].execute(w, filename=path)
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dirutil.find_name(w, basename)
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if retval != 0:
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w.set_error("touch %r failed (exit %d)" % (path, retval))
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class RemovePath(Method):
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def _execute(self, w, **vargs):
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self._old_window = w
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self._old_path = dirutil.resolve_path(w)
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basename = os.path.basename(self._old_path)
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self._prompt = "Do you want to delete %r? " % basename
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w.application.open_mini_buffer(self._prompt, self._callback)
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def _callback(self, v):
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a = self._old_window.application
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if v == 'yes':
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self._doit()
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a.close_mini_buffer()
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return
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if v == 'no':
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a.close_mini_buffer()
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return
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a.open_mini_buffer(self._prompt, self._callback)
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a.set_error('Please type "yes" or "no"')
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def _doit(self):
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w = self._old_window
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path = self._old_path
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try:
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w.application.methods['previous-line'].execute(w)
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os.remove(path)
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w.set_error("deleted %r " % path)
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w.application.methods['refresh-view'].execute(w, filename=path)
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except:
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w.set_error("failed to delete %r" % path)
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