Apply isort.

.isort.cfg

@@ -0,0 +1,5 @@
+[settings]
+line_length=100
+known_first_party=pex
+multi_line_output=3
+default_section=THIRDPARTY

MANIFEST.in

@@ -0,0 +1,3 @@
+include *.py
+include docs/*.md
+include CHANGES

pex/__init__.py

@@ -13,4 +13,3 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 # ==================================================================================================
-

pex/base.py

@@ -5,11 +5,9 @@
 
 from collections import Iterable
 
-from .compatibility import string as compatibility_string
-
 from pkg_resources import Requirement
 
-
+from .compatibility import string as compatibility_string
 
 REQUIRED_ATTRIBUTES = (
     'extras',

pex/bin/pex.py

@@ -8,32 +8,22 @@
 
 from __future__ import print_function
 
-from optparse import OptionParser
 import os
 import sys
+from optparse import OptionParser
 
 from pex.common import safe_delete, safe_mkdtemp
 from pex.fetcher import Fetcher, PyPIFetcher
 from pex.installer import EggInstaller, WheelInstaller
 from pex.interpreter import PythonInterpreter
 from pex.obtainer import CachingObtainer
-from pex.package import (
-    EggPackage,
-    SourcePackage,
-    WheelPackage,
-)
+from pex.package import EggPackage, SourcePackage, WheelPackage
+from pex.pex import PEX
+from pex.pex_builder import PEXBuilder
 from pex.platforms import Platform
 from pex.resolver import resolve as requirement_resolver
-from pex.pex_builder import PEXBuilder
-from pex.pex import PEX
 from pex.tracer import Tracer
-from pex.translator import (
-    ChainedTranslator,
-    EggTranslator,
-    SourceTranslator,
-    WheelTranslator,
-)
-
+from pex.translator import ChainedTranslator, EggTranslator, SourceTranslator, WheelTranslator
 
 CANNOT_PARSE_REQUIREMENT = 100
 CANNOT_DISTILL = 101

pex/common.py

@@ -2,16 +2,16 @@
 # Licensed under the Apache License, Version 2.0 (see LICENSE).
 
 import atexit
-from collections import defaultdict
 import contextlib
 import errno
 import os
 import shutil
-import sys
 import stat
+import sys
 import tempfile
 import threading
 import zipfile
+from collections import defaultdict
 
 
 # See http://stackoverflow.com/questions/2572172/referencing-other-modules-in-atexit

pex/environment.py

@@ -8,22 +8,21 @@
 import sys
 import uuid
 
-from .common import open_zip, safe_mkdir, safe_rmtree
-from .interpreter import PythonInterpreter
-from .package import distribution_compatible
-from .pex_builder import PEXBuilder
-from .pex_info import PexInfo
-from .tracer import Tracer
-from .util import CacheHelper, DistributionHelper
-
 from pkg_resources import (
     DistributionNotFound,
     Environment,
     find_distributions,
     Requirement,
-    WorkingSet,
+    WorkingSet
 )
 
+from .common import open_zip, safe_mkdir, safe_rmtree
+from .interpreter import PythonInterpreter
+from .package import distribution_compatible
+from .pex_builder import PEXBuilder
+from .pex_info import PexInfo
+from .tracer import Tracer
+from .util import CacheHelper, DistributionHelper
 
 TRACER = Tracer(predicate=Tracer.env_filter('PEX_VERBOSE'), prefix='pex.environment: ')
 

pex/fetcher.py

@@ -3,9 +3,9 @@
 
 from __future__ import absolute_import
 
-from abc import abstractmethod
 import random
 import warnings
+from abc import abstractmethod
 
 from .base import maybe_requirement
 from .compatibility import AbstractClass, PY3

pex/finders.py

@@ -21,7 +21,6 @@
 
 import pkg_resources
 
-
 if sys.version_info >= (3, 3) and sys.implementation.name == "cpython":
   import importlib._bootstrap as importlib_bootstrap
 else:

pex/http/crawler.py

@@ -2,13 +2,13 @@
 # Licensed under the Apache License, Version 2.0 (see LICENSE).
 
 import contextlib
-from functools import partial
 import os
 import re
 import threading
+from functools import partial
 
 from ..compatibility import PY3
-from .http import CachedWeb, Web, FetchError
+from .http import CachedWeb, FetchError, Web
 from .tracer import TRACER
 
 if PY3:

pex/installer.py

@@ -1,19 +1,19 @@
 # Copyright 2014 Pants project contributors (see CONTRIBUTORS.md).
 # Licensed under the Apache License, Version 2.0 (see LICENSE).
 
-from __future__ import print_function, absolute_import
+from __future__ import absolute_import, print_function
 
 import os
 import subprocess
 import sys
 import tempfile
 
+from pkg_resources import Distribution, PathMetadata
+
 from .common import safe_mkdtemp, safe_rmtree
-from .interpreter import PythonInterpreter, PythonCapability
+from .interpreter import PythonCapability, PythonInterpreter
 from .tracer import TRACER
 
-from pkg_resources import Distribution, PathMetadata
-
 __all__ = (
   'Installer',
   'Packager'

pex/interpreter.py

@@ -5,26 +5,25 @@
 
 from __future__ import absolute_import
 
-try:
-  from numbers import Integral
-except ImportError:
-  Integral = (int, long)
-
-from collections import defaultdict
 import os
 import re
 import subprocess
 import sys
+from collections import defaultdict
+
+from pkg_resources import Distribution, find_distributions, Requirement
 
 from .base import maybe_requirement, maybe_requirement_list
 from .compatibility import string
 from .tracer import Tracer
 
-from pkg_resources import (
-    find_distributions,
-    Distribution,
-    Requirement,
-)
+try:
+  from numbers import Integral
+except ImportError:
+  Integral = (int, long)
+
+
+
 
 TRACER = Tracer(predicate=Tracer.env_filter('PEX_VERBOSE'), prefix='pex.interpreter: ')
 

pex/marshaller.py

@@ -7,11 +7,13 @@
 except ImportError:
   HAS_MAGIC = False
 
-import marshal
 import struct
 import time
 
-from .compatibility import BytesIO, bytes as compatibility_bytes
+import marshal
+
+from .compatibility import bytes as compatibility_bytes
+from .compatibility import BytesIO
 
 
 class CodeTimestamp(object):

pex/obtainer.py

@@ -9,14 +9,9 @@
 
 from .base import requirement_is_exact
 from .common import safe_mkdtemp
-from .fetcher import PyPIFetcher, Fetcher
+from .fetcher import Fetcher, PyPIFetcher
 from .http import Crawler
-from .package import (
-     EggPackage,
-     Package,
-     SourcePackage,
-     WheelPackage,
-)
+from .package import EggPackage, Package, SourcePackage, WheelPackage
 from .platforms import Platform
 from .tracer import TRACER
 from .translator import ChainedTranslator, Translator

pex/package.py

@@ -6,19 +6,15 @@
 import tarfile
 import zipfile
 
+from pkg_resources import EGG_NAME, parse_version, safe_name
+
 from .base import maybe_requirement
 from .common import safe_mkdtemp
 from .http.link import Link
 from .interpreter import PythonInterpreter
 from .pep425 import PEP425, PEP425Extras
 from .platforms import Platform
 
-from pkg_resources import (
-    EGG_NAME,
-    parse_version,
-    safe_name,
-)
-
 
 class Package(Link):
   """Base class for named Python binary packages (e.g. source, egg, wheel)."""

pex/pep425.py

@@ -8,10 +8,10 @@
 tagging system used to describe platform compatibility for wheel files.
 """
 
-from .platforms import Platform
-
 from pkg_resources import get_supported_platform
 
+from .platforms import Platform
+
 
 class PEP425Extras(object):
   """Extensions to platform handling beyond PEP425."""

pex/pex.py

@@ -3,12 +3,15 @@
 
 from __future__ import absolute_import, print_function
 
-from contextlib import contextmanager
-from distutils import sysconfig
 import os
-from site import USER_SITE
 import sys
 import traceback
+from contextlib import contextmanager
+from distutils import sysconfig
+from site import USER_SITE
+
+import pkg_resources
+from pkg_resources import EntryPoint, find_distributions
 
 from .common import safe_mkdir
 from .compatibility import exec_function
@@ -18,10 +21,6 @@
 from .pex_info import PexInfo
 from .tracer import Tracer
 
-import pkg_resources
-from pkg_resources import EntryPoint, find_distributions
-
-
 TRACER = Tracer(predicate=Tracer.env_filter('PEX_VERBOSE'), prefix='pex: ')
 
 

pex/pex_builder.py

@@ -7,20 +7,16 @@
 import os
 import tempfile
 
+from pkg_resources import DefaultProvider, get_provider, ZipProvider
+
+from .common import chmod_plus_x, Chroot, open_zip, safe_mkdir
 from .compatibility import to_bytes
-from .common import chmod_plus_x, open_zip, safe_mkdir, Chroot
 from .interpreter import PythonInterpreter
 from .marshaller import CodeMarshaller
 from .pex_info import PexInfo
 from .tracer import TRACER
 from .util import CacheHelper, DistributionHelper
 
-from pkg_resources import (
-    DefaultProvider,
-    ZipProvider,
-    get_provider,
-)
-
 
 BOOTSTRAP_ENVIRONMENT = b"""
 import os

pex/pex_info.py

@@ -3,10 +3,10 @@
 
 from __future__ import absolute_import, print_function
 
-from collections import namedtuple
 import json
 import os
 import sys
+from collections import namedtuple
 
 from .common import open_zip
 from .orderedset import OrderedSet

pex/resolver.py

@@ -5,15 +5,15 @@
 
 from collections import defaultdict
 
+from pkg_resources import Distribution
+
 from .base import maybe_requirement_list
 from .interpreter import PythonInterpreter
 from .obtainer import Obtainer
 from .orderedset import OrderedSet
-from .package import Package, distribution_compatible
+from .package import distribution_compatible, Package
 from .platforms import Platform
 
-from pkg_resources import Distribution
-
 
 class Untranslateable(Exception):
   pass

pex/testing.py

@@ -5,8 +5,8 @@
 import os
 import random
 import tempfile
-from textwrap import dedent
 import zipfile
+from textwrap import dedent
 
 from .common import safe_mkdir, safe_mkdtemp, safe_rmtree
 from .installer import EggInstaller

pex/tracer.py

@@ -1,11 +1,11 @@
 # Copyright 2014 Pants project contributors (see CONTRIBUTORS.md).
 # Licensed under the Apache License, Version 2.0 (see LICENSE).
 
-from contextlib import contextmanager
 import os
 import sys
 import threading
 import time
+from contextlib import contextmanager
 
 __all__ = ('Tracer',)