# HG changeset patch
# User Ram Rachum <ram@rachum.com>
# Date 1390391098 -7200
# Node ID a7827efc4273c53d756553e466c086f11bc8c99e
# Parent  9bbb64e91913dc80b6340ff1647ec54905830dc5
Add read, write, readlines and writelines to Path

diff -r 9bbb64e91913 -r a7827efc4273 Lib/pathlib.py
--- a/Lib/pathlib.py	Wed Jan 22 03:05:49 2014 -0800
+++ b/Lib/pathlib.py	Wed Jan 22 13:44:58 2014 +0200
@@ -1069,6 +1069,50 @@
         return io.open(str(self), mode, buffering, encoding, errors, newline,
                        opener=self._opener)
 
+    def read(self, size=None, mode='r', buffering=-1, encoding=None,
+             errors=None, newline=None):
+        '''Open the file, read it, and close the file.'''
+        if 'r' not in mode:
+            raise Exception('Mode for `Path.read` must contain `r`.')
+        with self.open(mode=mode, buffering=buffering, encoding=encoding,
+                       errors=errors, newline=newline) as file:
+            return file.read(size)
+        
+    def readlines(self, mode='r', buffering=-1, encoding=None,
+                  errors=None, newline=None):
+        '''
+        Open the file, read it, and close the file. Returns output in lines.
+        '''
+        if 'r' not in mode:
+            raise Exception('Mode for `Path.readlines` must contain `r`.')
+        with self.open(mode=mode, buffering=buffering, encoding=encoding,
+                       errors=errors, newline=newline) as file:
+            return file.readlines()
+
+    def write(self, data, mode='w', buffering=-1, encoding=None,
+              errors=None, newline=None):
+        '''Open the file, write to it, and close the file.'''
+        if not {'w', 'a', 'x'} & set(mode):
+            raise Exception(
+                'Mode for `Path.write` must contain `w`, `a` or `x`.'
+            )
+        with self.open(mode=mode, buffering=buffering, encoding=encoding,
+                       errors=errors, newline=newline) as file:
+            return file.write(data)
+        
+    def writelines(self, data, mode='w', buffering=-1, encoding=None,
+                   errors=None, newline=None):
+        '''
+        Open the file, write to it, and close the file. Takes input as lines.
+        '''
+        if not {'w', 'a', 'x'} & set(mode):
+            raise Exception(
+                'Mode for `Path.writelines` must contain `w`, `a` or `x`.'
+            )
+        with self.open(mode=mode, buffering=buffering, encoding=encoding,
+                       errors=errors, newline=newline) as file:
+            return file.writelines(data)
+        
     def touch(self, mode=0o666, exist_ok=True):
         """
         Create this file with the given access mode, if it doesn't exist.