[mmap] Make tests pass again
Which also means we don't have tests for overwriting a file :).
diff --git a/Lib/fontTools/ttLib/__init__.py b/Lib/fontTools/ttLib/__init__.py
index 741a23c..4fe865e 100644
--- a/Lib/fontTools/ttLib/__init__.py
+++ b/Lib/fontTools/ttLib/__init__.py
@@ -44,6 +44,7 @@
from __future__ import print_function, division, absolute_import
from fontTools.misc.py23 import *
from fontTools.misc.loggingTools import deprecateArgument, deprecateFunction
+import io
import os
import sys
import logging
@@ -175,16 +176,24 @@
# assume "file" is a readable file object
closeStream = False
if not self.lazy:
+ tmp = None
# Try mmap()ing it first:
- try:
- # TODO: Port to Windows version of mmap's module
- tmp = _mmap(file.fileno(), 0, flags=mmap.MAP_PRIVATE, prot=mmap.PROT_READ)
- except mmap.error:
+ if hasattr(file, 'fileno'):
+ try:
+ # TODO: Port to Windows version of mmap's module
+ fno = file.fileno()
+ print(fno)
+ tmp = _mmap(file.fileno(), 0, flags=mmap.MAP_PRIVATE, prot=mmap.PROT_READ)
+ if hasattr(file, 'name'):
+ tmp.name = file.name
+ except io.UnsupportedOperation:
+ pass
+ if tmp is None:
# Read into memory and wrap a stream around it to allow overwriting
tmp = BytesIO(file.read())
- if hasattr(file, 'name'):
- # save reference to input file name
- tmp.name = file.name
+ if hasattr(file, 'name'):
+ tmp.name = file.name
+
if closeStream:
file.close()
file = tmp
