Revert "Added InputFileParameter and OutputFileParameter classes." (#…

…1803)

luigi/__init__.py

@@ -35,8 +35,7 @@
     DateParameter, MonthParameter, YearParameter, DateHourParameter, DateMinuteParameter, DateSecondParameter,
     DateIntervalParameter, TimeDeltaParameter,
     IntParameter, FloatParameter, BooleanParameter, BoolParameter,
-    TaskParameter, EnumParameter, DictParameter, ListParameter, TupleParameter,
-    InputFileParameter, OutputFileParameter
+    TaskParameter, EnumParameter, DictParameter, ListParameter, TupleParameter
 )
 
 from luigi import configuration
@@ -58,6 +57,5 @@
     'DateIntervalParameter', 'TimeDeltaParameter', 'IntParameter',
     'FloatParameter', 'BooleanParameter', 'BoolParameter', 'TaskParameter',
     'ListParameter', 'TupleParameter', 'EnumParameter', 'DictParameter',
-    'configuration', 'interface', 'file', 'run', 'build', 'event', 'Event',
-    'InputFileParameter', 'OutputFileParameter'
+    'configuration', 'interface', 'file', 'run', 'build', 'event', 'Event'
 ]

luigi/parameter.py

@@ -29,7 +29,6 @@
 import operator
 import functools
 from ast import literal_eval
-import os
 
 try:
     from ConfigParser import NoOptionError, NoSectionError
@@ -960,38 +959,3 @@ def serialize(self, x):
         :param x: the value to serialize.
         """
         return json.dumps(x)
-
-
-class InputFileParameter(Parameter):
-    """
-    Paramater whose value is an existing file.
-    """
-
-    def parse(self, s):
-        """
-        Returns the real path to the file from the string if it exists.
-        """
-        if os.path.isfile(s):
-            return os.path.realpath(s)
-        else:
-            raise OSError("{s} does not exist".format(s=s))
-
-
-class OutputFileParameter(Parameter):
-    """
-    Parameter whose value is an output file to be created.
-    """
-
-    def parse(self, s):
-        """
-        Returns the real path to the file and attempts to create any directories
-        needed.
-        """
-        s = os.path.realpath(s)
-        if not os.path.isdir(os.path.dirname(s)):
-            try:
-                os.makedirs(os.path.dirname(s))
-            except OSError:
-                raise OSError("could not make parent directories for {s}".format(
-                    s=s))
-        return s