thirdparty/pyflakes/messages.py

   1 """
   2 Provide the class Message and its subclasses.
   3 """
   4
   5
   6 class Message(object):
   7     message = ''
   8     message_args = ()
   9
  10     def __init__(self, filename, loc):
  11         self.filename = filename
  12         if type( loc ) == int:
  13             self.lineno = loc
  14         else:
  15             self.lineno = loc.lineno
  16         self.col = getattr(loc, 'col_offset', 0)
  17
  18     def __str__(self):
  19         return '%s:%s: %s' % (self.filename, self.lineno,
  20                               self.message % self.message_args)
  21
  22
  23 class UnusedImport(Message):
  24     message = '%r imported but unused'
  25
  26     def __init__(self, filename, loc, name):
  27         Message.__init__(self, filename, loc)
  28         self.message_args = (name,)
  29
  30
  31 class RedefinedWhileUnused(Message):
  32     message = 'redefinition of unused %r from line %r'
  33
  34     def __init__(self, filename, loc, name, orig_loc):
  35         Message.__init__(self, filename, loc)
  36         if type( orig_loc ) == int:
  37             self.message_args = (name, orig_loc)
  38         else:
  39             self.message_args = (name, orig_loc.lineno)
  40
  41
  42 class RedefinedInListComp(Message):
  43     message = 'list comprehension redefines %r from line %r'
  44
  45     def __init__(self, filename, loc, name, orig_loc):
  46         Message.__init__(self, filename, loc)
  47         if type( orig_loc ) == int:
  48             self.message_args = (name, orig_loc)
  49         else:
  50             self.message_args = (name, orig_loc.lineno)
  51
  52
  53 class ImportShadowedByLoopVar(Message):
  54     message = 'import %r from line %r shadowed by loop variable'
  55
  56     def __init__(self, filename, loc, name, orig_loc):
  57         Message.__init__(self, filename, loc)
  58         if type( orig_loc ) == int:
  59             self.message_args = (name, orig_loc)
  60         else:
  61             self.message_args = (name, orig_loc.lineno)
  62
  63
  64 class ImportStarUsed(Message):
  65     message = "'from %s import *' used; unable to detect undefined names"
  66
  67     def __init__(self, filename, loc, modname):
  68         Message.__init__(self, filename, loc)
  69         self.message_args = (modname,)
  70
  71
  72 class UndefinedName(Message):
  73     message = 'undefined name %r'
  74
  75     def __init__(self, filename, loc, name):
  76         Message.__init__(self, filename, loc)
  77         self.message_args = (name,)
  78
  79
  80 class DoctestSyntaxError(Message):
  81     message = 'syntax error in doctest'
  82
  83     def __init__(self, filename, loc, position=None):
  84         Message.__init__(self, filename, loc)
  85         if position:
  86             (self.lineno, self.col) = position
  87             if type( self.lineno ) != int:
  88                 self.lineno = self.lineno.lineno
  89         self.message_args = ()
  90
  91
  92 class UndefinedExport(Message):
  93     message = 'undefined name %r in __all__'
  94
  95     def __init__(self, filename, loc, name):
  96         Message.__init__(self, filename, loc)
  97         self.message_args = (name,)
  98
  99
 100 class UndefinedLocal(Message):
 101     message = ('local variable %r (defined in enclosing scope on line %r) '
 102                'referenced before assignment')
 103
 104     def __init__(self, filename, loc, name, orig_loc):
 105         Message.__init__(self, filename, loc)
 106         if type( orig_loc ) == int:
 107             self.message_args = (name, orig_loc)
 108         else:
 109             self.message_args = (name, orig_loc.lineno)
 110
 111
 112 class DuplicateArgument(Message):
 113     message = 'duplicate argument %r in function definition'
 114
 115     def __init__(self, filename, loc, name):
 116         Message.__init__(self, filename, loc)
 117         self.message_args = (name,)
 118
 119
 120 class Redefined(Message):
 121     message = 'redefinition of %r from line %r'
 122
 123     def __init__(self, filename, loc, name, orig_loc):
 124         Message.__init__(self, filename, loc)
 125         if type( orig_loc ) == int:
 126             self.message_args = (name, orig_loc)
 127         else:
 128             self.message_args = (name, orig_loc.lineno)
 129
 130
 131 class LateFutureImport(Message):
 132     message = 'future import(s) %r after other statements'
 133
 134     def __init__(self, filename, loc, names):
 135         Message.__init__(self, filename, loc)
 136         self.message_args = (names,)
 137
 138
 139 class UnusedVariable(Message):
 140     """
 141     Indicates that a variable has been explicity assigned to but not actually
 142     used.
 143     """
 144     message = 'local variable %r is assigned to but never used'
 145
 146     def __init__(self, filename, loc, names):
 147         Message.__init__(self, filename, loc)
 148         self.message_args = (names,)