Added utf-8 encoding for -i (#466)

* Added utf-8 encoding for -i

* added test

* fixed py2 issue

* py2 friendly error

* fixed py2 for windows

* removed test

Author: Elliot Boschwitz

mssqlcli/main.py

@@ -2,11 +2,12 @@
 from __future__ import print_function
 
 import getpass
+import io
 import os
 import sys
 from builtins import input
 import click
-
+import six
 from mssqlcli.config import config_location
 from mssqlcli.__init__ import __version__
 from mssqlcli.mssqlclioptionsparser import create_parser
@@ -58,9 +59,14 @@ def run_cli_with(options):
             if options.input_file:
                 # get query text from input file
                 try:
-                    with open(options.input_file, 'r') as f:
-                        text = f.read()
-                except FileNotFoundError as e:
+                    if six.PY2:
+                        with io.open(options.input_file, 'r', encoding='utf-8') as f:
+                            # utf-8 encoding must be called again for windows
+                            text = f.read().encode('utf-8')
+                    else:
+                        with open(options.input_file, 'r', encoding='utf-8') as f:
+                            text = f.read()
+                except OSError as e:
                     click.secho(str(e), err=True, fg='red')
                     sys.exit(1)
             mssqlcli.execute_query(text)