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John Mulligan committed 2cef5f2

cli: remove command stuff from cli, refactor and test

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  • Parent commits 26e592d

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Files changed (2)

File test/test_cli.py

 
 # @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
 
-
-class TestCli(unittest.TestCase):
+"""
+class XXXTestCli(unittest.TestCase):
     def test_cli_1(self):
         opts, args = cli.parse(OPTIONS1, CLI1.split())
         self.assertTrue(args == ['a.txt', 'b.txt']) 
         #print '\n%s\n' % '\n'.join(ug)
         self.assertTrue(len(ug) == 3)
 
+"""
+
 
 
 

File vanity/cli.py

 import getopt as _getopt
 import sys
 
+
 class CliError(Exception):
     """Generic CLI Processing Error"""
     pass
 
+
 class InvalidOption(CliError):
     """The CLI was given an invalid option"""
     pass
 
-class InvalidCommand(CliError):
-    """The CLI was given an invalid command"""
-    pass
-
-class AmbiguousCommand(CliError):
-    """The given command was ambigouous"""
-    def __init__(self, msg, matches=None):
-        CliError.__init__(self, msg)
-        self.matches = matches
-
 
 def arguments(start=1):
     """Return the arguments given to the application.
     return sys.argv[start:]
 
 
-def parse(table, arguments, getopt=None):
+def parse(table, arguments, strict=None):
     """Parse a command line, returns an options dict and an args list.
     """
-    if getopt is None:
+    if strict:
+        getopt = _getopt.getopt
+    else:
         getopt = _getopt.gnu_getopt
-    elif getopt is 'posix':
-        getopt = _getopt.getopt
     table = OptionTable(table)
     try:
         raw, args = getopt(arguments, table.shortoptspec(), table.longoptspec())
     """
     if formatter is None:
         formatter = usage_formatter
-    if not table:
-        return
     table = OptionTable(table)
     maxlen = max(len(long) for long in table.longopts())
-    for opt in table.table():
-        yield formatter(maxlen, *opt)
+    for _, opt in table.items():
+        yield formatter(maxlen, opt)
 
 
-def usage_formatter(maxlen, long, short, default, desc):
+def usage_formatter(maxlen, opt):
     """Format a single cli option
     """
-    if short:
-        short = ' (-%s)' % short
-    long = ('--%s' % long) + (' ' * (maxlen - len(long)))
-    return '  %s%5s  %s' % (long, short, desc)
-
-
-def parsecommand(opttable, cmdtable, arguments, getopts=None):
-    """Parse a command line into an command function, an
-    options dict and an arguments list.
-    """
-    if getopts is None:
-        getopts = (_getopt.getopt, _getopt.gnu_getopt)
-    cmds = CommandTable(opttable, cmdtable)
-    short, long = (cmds.opts().shortoptspec(), cmds.opts().longoptspec())
-    try:
-        raw, args = getopts[0](arguments, short, long)
-    except _getopt.GetoptError, ee:
-        raise InvalidOption(str(ee))
-    if not args:
-        return (None, cmds.opts().assemble(raw), [])
-    label, args = args[0], args[1:]
-    (func, id, opts, desc) = cmds.get(label)
-    raw2, args = getopts[1](args, opts.shortoptspec(), opts.longoptspec())
-    return (func, opts.assemble(raw+raw2), args)
-    
-
-def listcommands(cmdtable):
-    cmds = CommandTable([], cmdtable)
-    disp = list(cmds.firstlabels())
-    disp.sort()
-    for label in disp:
-        desc = cmds.get(label)[3]
-        yield (label, desc)
+    if opt.short:
+        short = ' (-%s)' % opt.short
+    else:
+        short = ''
+    long = ('--%s' % opt.long) + (' ' * (maxlen - len(opt.long)))
+    return '  %s%5s  %s' % (long, short, opt.help)
 
 
 class Option(object):
             opt = Option.convert(opt)
             self._table[opt.name] = opt
 
-    def table(self):
+    def items(self):
         """Generate the stored options table.
         """
-        for opt in self._table.values():
-            yield (opt.long, opt.short, opt.default, opt.help)
+        return self._table.iteritems()
 
     def __contains__(self, value):
         return (value in self._table)
         newtable._table.update(other._table)
         return newtable
 
-
-class CommandTable(object):
-    """Processes a table of commands and the global options.
-    """
-    def __init__(self, globalopts, commands):
-        self._global = OptionTable(globalopts)
-        self._table = {}
-        for command in commands:
-            self._addcommand(command)
-
-    def _addcommand(self, command):
-        func, idents, opts, desc = command
-        for ident in splitidents(idents):
-            self._table[ident] = (
-                func,
-                idents,
-                OptionTable(opts),
-                desc)
-
-    def labels(self):
-        return self._table.keys()
-
-
-    def firstlabels(self):
-        seen = []
-        for key in self.labels():
-            f, idents, opts, desc = self._table[key]
-            idents = splitidents(idents)
-            if idents[0] not in seen:
-                seen.append(idents[0])
-        return seen
-
-
-    def opts(self):
-        """Return the global options table
-        """
-        return self._global
-
-    def find(self, label):
-        """Given a command name or partial command name,
-        return the closest full command name.
-        If there are no matches a InvalidCommand exception is
-        raised. If there are too many matches an AmbiguousCommand
-        exception is raised.
-        """
-        matches = []
-        for key in self._table.keys():
-            if key.startswith(label):
-                matches.append(key)
-        if len(matches) == 1:
-            return matches[0]
-        if not matches:
-            raise InvalidCommand(label)
-        if label in self._table.keys():
-            #exact match
-            return label
-        raise AmbiguousCommand(label, matches)
-
-    def lookup(self, label):
-        """Return the table entry given a full or partial
-        command name.
-        """
-        key = self.find(label)
-        return self._table[key]
-
-    def get(self, label):
-        """For a full or partial command name, return the
-        function, it's identifiers, an options table containing
-        both command and global options and the command
-        description.
-        """
-        (func, id, options, desc) = self.lookup(label)
-        options = self._global + options
-        return (func, id, options, desc)
-
-
-def splitidents(idents):
-    """Return a ident string as a list of idents.
-    """
-    return str(idents).split()
-
-
 # eof
-