gyp: fix the remaining Python 3 issues

PR-URL: #1793
Reviewed-By: Rod Vagg <rod@vagg.org>
Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>

.travis.yml

@@ -4,9 +4,6 @@ cache: pip
 python:
  - 2.7
  - 3.7
-matrix:
- allow_failures:
- - python: 3.7
 install:
  #- pip install -r requirements.txt
  - pip install flake8 # pytest # add another testing frameworks later

gyp/pylib/gyp/MSVSNew.py

@@ -10,6 +10,11 @@
 
 import gyp.common
 
+try:
+ cmp
+except NameError:
+ def cmp(x, y):
+ return (x > y) - (x < y)
 
 # Initialize random number generator
 random.seed()

gyp/pylib/gyp/simple_copy.py

@@ -28,8 +28,12 @@ def deepcopy(x):
 def _deepcopy_atomic(x):
  return x
 
-for x in (type(None), int, long, float,
- bool, str, unicode, type):
+try:
+ types = bool, float, int, str, type, type(None), long, unicode
+except NameError: # Python 3
+ types = bool, float, int, str, type, type(None)
+
+for x in types:
  d[x] = _deepcopy_atomic
 
 def _deepcopy_list(x):

gyp/pylib/gyp/xcodeproj_file.py

@@ -138,21 +138,18 @@
 """
 
 import gyp.common
+import hashlib
 import posixpath
 import re
 import struct
 import sys
 
-# hashlib is supplied as of Python 2.5 as the replacement interface for sha
-# and other secure hashes. In 2.6, sha is deprecated. Import hashlib if
-# available, avoiding a deprecation warning under 2.6. Import sha otherwise,
-# preserving 2.4 compatibility.
 try:
- import hashlib
- _new_sha1 = hashlib.sha1
-except ImportError:
- import sha
- _new_sha1 = sha.new
+ basestring, cmp, unicode
+except NameError: # Python 3
+ basestring = unicode = str
+ def cmp(x, y):
+  return (x > y) - (x < y)
 
 
 # See XCObject._EncodeString. This pattern is used to determine when a string
@@ -324,8 +321,7 @@ def Copy(self):
  that._properties[key] = new_value
  else:
  that._properties[key] = value
- elif isinstance(value, str) or isinstance(value, unicode) or \
- isinstance(value, int):
+ elif isinstance(value, (basestring, int)):
  that._properties[key] = value
  elif isinstance(value, list):
  if is_strong:
@@ -422,7 +418,7 @@ def _HashUpdate(hash, data):
  hash.update(data)
 
  if seed_hash is None:
- seed_hash = _new_sha1()
+ seed_hash = hashlib.sha1()
 
  hash = seed_hash.copy()
 
@@ -788,8 +784,7 @@ def UpdateProperties(self, properties, do_copy=False):
  self._properties[property] = value.Copy()
  else:
  self._properties[property] = value
- elif isinstance(value, str) or isinstance(value, unicode) or \
- isinstance(value, int):
+ elif isinstance(value, (basestring, int)):
  self._properties[property] = value
  elif isinstance(value, list):
  if is_strong:

gyp/tools/pretty_vcproj.py

@@ -22,6 +22,12 @@
 
 __author__ = 'nsylvain (Nicolas Sylvain)'
 
+try:
+ cmp
+except NameError:
+ def cmp(x, y):
+ return (x > y) - (x < y)
+
 REPLACEMENTS = dict()
 ARGUMENTS = None
 

test/fixtures/test-charmap.py

@@ -2,14 +2,21 @@
 import sys
 import locale
 
-reload(sys)
+try:
+ reload(sys)
+except NameError: # Python 3
+ pass
 
 def main():
  encoding = locale.getdefaultlocale()[1]
  if not encoding:
  return False
 
- sys.setdefaultencoding(encoding)
+ try:
+ sys.setdefaultencoding(encoding)
+ except AttributeError: # Python 3
+ pass
+
  textmap = {
  'cp936': u'\u4e2d\u6587',
  'cp1252': u'Lat\u012Bna',