Mostly factor out py module

Still used for `py.io.TerminalWriter` so I added it to `setup.py`

Author: asottile

.gitignore

@@ -37,7 +37,7 @@ nosetests.xml
 .mr.developer.cfg
 .project
 .pydevproject
-.cache
+.pytest_cache
 .ropeproject
 
 # Sublime

pytest_bdd/cucumber_json.py

@@ -1,12 +1,12 @@
 """Cucumber json output formatter."""
 
+import codecs
 import json
 import math
 import os
+import sys
 import time
 
-import py
-import re
 import six
 
 from .feature import force_unicode
@@ -185,8 +185,8 @@ def pytest_sessionstart(self):
         self.suite_start_time = time.time()
 
     def pytest_sessionfinish(self):
-        if py.std.sys.version_info[0] < 3:
-            logfile_open = py.std.codecs.open
+        if sys.version_info[0] < 3:
+            logfile_open = codecs.open
         else:
             logfile_open = open
         with logfile_open(self.logfile, "w", encoding="utf-8") as logfile:

pytest_bdd/scripts.py

@@ -28,6 +28,9 @@ def migrate_tests_in_file(file_path):
             content = fd.read()
             new_content = MIGRATE_REGEX.sub(r"\n@scenario(\2)\ndef \1():\n    pass\n", content)
             if new_content != content:
+                # the regex above potentially causes the end of the file to
+                # have an extra newline
+                new_content = new_content.rstrip('\n') + '\n'
                 fd.seek(0)
                 fd.write(new_content)
                 print("migrated: {0}".format(file_path))

setup.py

@@ -75,6 +75,7 @@ def run_tests(self):
         "Mako",
         "parse",
         "parse_type",
+        "py",
         "pytest>=2.8.1",
         "six>=1.9.0",
     ],

tests/args/test_arg_fixture_mix.py

@@ -1,10 +1,10 @@
-import py
+import textwrap
 
 
 def test_arg_fixture_mix(testdir):
 
     subdir = testdir.mkpydir("arg_fixture_mix")
-    subdir.join("test_a.py").write(py.code.Source("""
+    subdir.join("test_a.py").write(textwrap.dedent("""
         import re
         import pytest
         from pytest_bdd import scenario, given, then, parsers
@@ -47,7 +47,7 @@ def foo_should_be_fine(foo):
             assert foo == "fine"
     """))
 
-    subdir.join("test_b.py").write(py.code.Source("""
+    subdir.join("test_b.py").write(textwrap.dedent("""
         import re
         import pytest
         from pytest_bdd import scenario, given, then

tests/feature/test_no_scenario.py

@@ -1,6 +1,5 @@
 """Test no scenarios defined in the feature file."""
 
-import py
 import textwrap
 
 
@@ -12,7 +11,7 @@ def test_no_scenarios(testdir):
         When bar
         Then baz
     """), 'utf-8', ensure=True)
-    testdir.makepyfile(py.code.Source("""
+    testdir.makepyfile(textwrap.dedent("""
 
         from pytest_bdd import scenarios
 
@@ -34,7 +33,7 @@ def test_only_background_strict_mode(testdir):
         Given foo
         When bar
     """), 'utf-8', ensure=True)
-    testdir.makepyfile(py.code.Source("""
+    testdir.makepyfile(textwrap.dedent("""
 
         from pytest_bdd import scenarios
 

tests/generation/test_generate_missing.py

@@ -1,8 +1,7 @@
 """Code generation and assertion tests."""
 import itertools
 import os.path
-
-import py
+import textwrap
 
 from pytest_bdd.scenario import get_python_name_generator
 
@@ -19,7 +18,7 @@ def test_generate_missing(testdir):
     with open(os.path.join(os.path.dirname(__file__), "generation.feature")) as fd:
         tests.join('generation.feature').write(fd.read())
 
-    tests.join("test_foo.py").write(py.code.Source("""
+    tests.join("test_foo.py").write(textwrap.dedent("""
         import functools
 
         from pytest_bdd import scenario, given

tests/scripts/test_migrate.py

@@ -3,8 +3,6 @@
 import sys
 import textwrap
 
-import py
-
 from pytest_bdd.scripts import main
 
 PATH = os.path.dirname(__file__)
@@ -14,7 +12,7 @@ def test_migrate(monkeypatch, capsys, testdir):
     """Test if the code is migrated by a given file mask."""
     tests = testdir.mkpydir('tests')
 
-    tests.join("test_foo.py").write(py.code.Source('''
+    tests.join("test_foo.py").write(textwrap.dedent('''
         """Foo bar tests."""
         from pytest_bdd import scenario
 

tests/test_hooks.py

@@ -1,27 +1,27 @@
-import py
+import textwrap
 
 
 def test_hooks(testdir):
     testdir.makeconftest("")
 
     subdir = testdir.mkpydir("subdir")
-    subdir.join("conftest.py").write(py.code.Source(r"""
+    subdir.join("conftest.py").write(textwrap.dedent(r"""
         def pytest_pyfunc_call(pyfuncitem):
             print('\npytest_pyfunc_call hook')
 
         def pytest_generate_tests(metafunc):
             print('\npytest_generate_tests hook')
     """))
 
-    subdir.join("test_foo.py").write(py.code.Source(r"""
+    subdir.join("test_foo.py").write(textwrap.dedent(r"""
         from pytest_bdd import scenario
 
         @scenario('foo.feature', 'Some scenario')
         def test_foo():
             pass
     """))
 
-    subdir.join("foo.feature").write(py.code.Source(r"""
+    subdir.join("foo.feature").write(textwrap.dedent(r"""
         Feature: The feature
         Scenario: Some scenario
     """))