Remove dependency of zipfile in stdlib. This fixes #1

.travis.yml

@@ -13,6 +13,10 @@ jobs:
       script: python -m unittest discover tests/python3/
     - python: "3.6"
       script: python -m unittest discover tests/python3/
+    - python: "3.7"
+      dist: xenial
+      sudo: true
+      script: python -m unittest discover tests/python3/
     - stage: deploy
       script: skip
       deploy:

setup.py

@@ -6,7 +6,7 @@
 
 setup(
     name='zipencrypt',
-    version='0.3.0',
+    version='0.3.1',
     description='Encryption for zipfile',
     long_description=readme,
     url='https://github.com/devthat/zipencrypt',
@@ -19,6 +19,7 @@
         'Programming Language :: Python :: 3.4',
         'Programming Language :: Python :: 3.5',
         'Programming Language :: Python :: 3.6',
+        'Programming Language :: Python :: 3.7',
         'Intended Audience :: Developers',
         'Operating System :: OS Independent',
         'Topic :: System :: Archiving :: Compression',

tests/python3/test_encryption.py

@@ -3,8 +3,8 @@
 import unittest
 from test.support import TESTFN
 
-from zipencrypt import ZipFile
-from zipencrypt.zipencrypt3 import _ZipEncrypter, _ZipDecrypter, ZipInfo, ZIP_DEFLATED
+from zipencrypt import ZipFile, ZipInfo, ZIP_DEFLATED
+from zipencrypt.zipencrypt3 import _ZipEncrypter, _ZipDecrypter
 
 
 class TestEncryption(unittest.TestCase):

tox.ini

@@ -1,5 +1,5 @@
 [tox]
-envlist = py27,py34,py35,py36
+envlist = py27,py34,py35,py36,py37
 
 [testenv:py27]
 deps=mock

zipencrypt/__init__.py

@@ -9,10 +9,6 @@
     __all__ = ["BadZipfile", "error", "ZIP_STORED", "ZIP_DEFLATED",
                "is_zipfile", "ZipInfo", "ZipFile", "PyZipFile", "LargeZipFile"]
 else:
-    from .zipencrypt3 import ZipFile, is_zipfile, ZipInfo
-    from zipfile import BadZipFile, BadZipfile, error, ZIP_STORED, \
-        ZIP_DEFLATED, ZIP_BZIP2, ZIP_LZMA, PyZipFile, \
-        LargeZipFile
-    __all__ = ["BadZipFile", "BadZipfile", "error",
-               "ZIP_STORED", "ZIP_DEFLATED", "ZIP_BZIP2", "ZIP_LZMA",
-               "is_zipfile", "ZipInfo", "ZipFile", "PyZipFile", "LargeZipFile"]
+    from .zipencrypt3 import __all__ as zipencrypt3_all
+    from .zipencrypt3 import *
+    __all__ = zipencrypt3_all