Updated dev Python scripts to make them PEP8 compliant.

Author: Reynold Xin <rxin@apache.org>

Closes #875 from rxin/pep8-dev-scripts and squashes the following commits:

04b084f [Reynold Xin] Made dev Python scripts PEP8 compliant.

1 files changed, 118 insertions, 107 deletions

diff --git a/dev/audit-release/audit_release.py b/dev/audit-release/audit_release.py
index 8c7573b91f..230e900ecd 100755
--- a/dev/audit-release/audit_release.py
+++ b/dev/audit-release/audit_release.py
@@ -30,18 +30,18 @@ import sys
 import time
 import urllib2
 
-## Fill in release details here:
+# Fill in release details here:
 RELEASE_URL = "http://people.apache.org/~pwendell/spark-1.0.0-rc1/"
 RELEASE_KEY = "9E4FE3AF"
 RELEASE_REPOSITORY = "https://repository.apache.org/content/repositories/orgapachespark-1006/"
 RELEASE_VERSION = "1.0.0"
 SCALA_VERSION = "2.10.4"
 SCALA_BINARY_VERSION = "2.10"
-##
+#
 
 LOG_FILE_NAME = "spark_audit_%s" % time.strftime("%h_%m_%Y_%I_%M_%S")
 LOG_FILE = open(LOG_FILE_NAME, 'w')
-WORK_DIR = "/tmp/audit_%s" % int(time.time()) 
+WORK_DIR = "/tmp/audit_%s" % int(time.time())
 MAVEN_CMD = "mvn"
 GPG_CMD = "gpg"
 
@@ -50,54 +50,62 @@ print "Starting tests, log output in %s. Test results printed below:" % LOG_FILE
 # Track failures
 failures = []
 
+
 def clean_work_files():
-  print "OK to delete scratch directory '%s'? (y/N): " % WORK_DIR
-  response = raw_input()
-  if response == "y":
-    shutil.rmtree(WORK_DIR) 
-  print "Should I delete the log output file '%s'? (y/N): " % LOG_FILE_NAME
-  response = raw_input()
-  if response == "y":
-    os.unlink(LOG_FILE_NAME)
+    print "OK to delete scratch directory '%s'? (y/N): " % WORK_DIR
+    response = raw_input()
+    if response == "y":
+        shutil.rmtree(WORK_DIR)
+    print "Should I delete the log output file '%s'? (y/N): " % LOG_FILE_NAME
+    response = raw_input()
+    if response == "y":
+        os.unlink(LOG_FILE_NAME)
+
 
 def run_cmd(cmd, exit_on_failure=True):
-  print >> LOG_FILE, "Running command: %s" % cmd
-  ret = subprocess.call(cmd, shell=True, stdout=LOG_FILE, stderr=LOG_FILE)
-  if ret != 0 and exit_on_failure:
-    print "Command failed: %s" % cmd
-    clean_work_files()
-    sys.exit(-1)
-  return ret
+    print >> LOG_FILE, "Running command: %s" % cmd
+    ret = subprocess.call(cmd, shell=True, stdout=LOG_FILE, stderr=LOG_FILE)
+    if ret != 0 and exit_on_failure:
+        print "Command failed: %s" % cmd
+        clean_work_files()
+        sys.exit(-1)
+    return ret
+
 
 def run_cmd_with_output(cmd):
-  print >> sys.stderr, "Running command: %s" % cmd
-  return subprocess.check_output(cmd, shell=True, stderr=LOG_FILE)
+    print >> sys.stderr, "Running command: %s" % cmd
+    return subprocess.check_output(cmd, shell=True, stderr=LOG_FILE)
+
 
 def test(bool, str):
-  if bool:
-    return passed(str)
-  failed(str)
+    if bool:
+        return passed(str)
+    failed(str)
+
 
 def passed(str):
-  print "[PASSED] %s" % str
+    print "[PASSED] %s" % str
+
 
 def failed(str):
-  failures.append(str)
-  print "[**FAILED**] %s" % str
+    failures.append(str)
+    print "[**FAILED**] %s" % str
+
 
 def get_url(url):
-  return urllib2.urlopen(url).read()
+    return urllib2.urlopen(url).read()
+
 
 original_dir = os.getcwd()
 
-# For each of these modules, we'll test an 'empty' application in sbt and 
+# For each of these modules, we'll test an 'empty' application in sbt and
 # maven that links against them. This will catch issues with messed up
 # dependencies within those projects.
 modules = [
-  "spark-core", "spark-bagel", "spark-mllib", "spark-streaming", "spark-repl",
-  "spark-graphx", "spark-streaming-flume", "spark-streaming-kafka",
-  "spark-streaming-mqtt", "spark-streaming-twitter", "spark-streaming-zeromq",
-  "spark-catalyst", "spark-sql", "spark-hive"
+    "spark-core", "spark-bagel", "spark-mllib", "spark-streaming", "spark-repl",
+    "spark-graphx", "spark-streaming-flume", "spark-streaming-kafka",
+    "spark-streaming-mqtt", "spark-streaming-twitter", "spark-streaming-zeromq",
+    "spark-catalyst", "spark-sql", "spark-hive"
 ]
 modules = map(lambda m: "%s_%s" % (m, SCALA_BINARY_VERSION), modules)
 
@@ -106,54 +114,57 @@ local_ivy_spark = "~/.ivy2/local/org.apache.spark"
 cache_ivy_spark = "~/.ivy2/cache/org.apache.spark"
 local_maven_kafka = "~/.m2/repository/org/apache/kafka"
 local_maven_kafka = "~/.m2/repository/org/apache/spark"
+
+
 def ensure_path_not_present(x):
-  if os.path.exists(os.path.expanduser(x)):
-    print "Please remove %s, it can interfere with testing published artifacts." % x
-    sys.exit(-1)
+    if os.path.exists(os.path.expanduser(x)):
+        print "Please remove %s, it can interfere with testing published artifacts." % x
+        sys.exit(-1)
+
 map(ensure_path_not_present, [local_ivy_spark, cache_ivy_spark, local_maven_kafka])
 
-# SBT build tests 
+# SBT build tests
 os.chdir("blank_sbt_build")
 os.environ["SPARK_VERSION"] = RELEASE_VERSION
 os.environ["SCALA_VERSION"] = SCALA_VERSION
 os.environ["SPARK_RELEASE_REPOSITORY"] = RELEASE_REPOSITORY
 os.environ["SPARK_AUDIT_MASTER"] = "local"
 for module in modules:
-  os.environ["SPARK_MODULE"] = module
-  ret = run_cmd("sbt clean update", exit_on_failure=False)
-  test(ret == 0, "sbt build against '%s' module" % module) 
+    os.environ["SPARK_MODULE"] = module
+    ret = run_cmd("sbt clean update", exit_on_failure=False)
+    test(ret == 0, "sbt build against '%s' module" % module)
 os.chdir(original_dir)
 
 # SBT application tests
 for app in ["sbt_app_core", "sbt_app_graphx", "sbt_app_streaming", "sbt_app_sql", "sbt_app_hive"]:
-  os.chdir(app)
-  ret = run_cmd("sbt clean run", exit_on_failure=False)
-  test(ret == 0, "sbt application (%s)" % app)
-  os.chdir(original_dir)
+    os.chdir(app)
+    ret = run_cmd("sbt clean run", exit_on_failure=False)
+    test(ret == 0, "sbt application (%s)" % app)
+    os.chdir(original_dir)
 
 # Maven build tests
 os.chdir("blank_maven_build")
 for module in modules:
-  cmd = ('%s --update-snapshots -Dspark.release.repository="%s" -Dspark.version="%s" '
-      '-Dspark.module="%s" clean compile' % 
-      (MAVEN_CMD, RELEASE_REPOSITORY, RELEASE_VERSION, module))
-  ret = run_cmd(cmd, exit_on_failure=False)
-  test(ret == 0, "maven build against '%s' module" % module)
+    cmd = ('%s --update-snapshots -Dspark.release.repository="%s" -Dspark.version="%s" '
+           '-Dspark.module="%s" clean compile' %
+           (MAVEN_CMD, RELEASE_REPOSITORY, RELEASE_VERSION, module))
+    ret = run_cmd(cmd, exit_on_failure=False)
+    test(ret == 0, "maven build against '%s' module" % module)
 os.chdir(original_dir)
 
 os.chdir("maven_app_core")
 mvn_exec_cmd = ('%s --update-snapshots -Dspark.release.repository="%s" -Dspark.version="%s" '
                 '-Dscala.binary.version="%s" clean compile '
-                'exec:java -Dexec.mainClass="SimpleApp"' % 
-               (MAVEN_CMD, RELEASE_REPOSITORY, RELEASE_VERSION, SCALA_BINARY_VERSION))
+                'exec:java -Dexec.mainClass="SimpleApp"' %
+                (MAVEN_CMD, RELEASE_REPOSITORY, RELEASE_VERSION, SCALA_BINARY_VERSION))
 ret = run_cmd(mvn_exec_cmd, exit_on_failure=False)
 test(ret == 0, "maven application (core)")
 os.chdir(original_dir)
 
 # Binary artifact tests
 if os.path.exists(WORK_DIR):
-  print "Working directory '%s' already exists" % WORK_DIR
-  sys.exit(-1)
+    print "Working directory '%s' already exists" % WORK_DIR
+    sys.exit(-1)
 os.mkdir(WORK_DIR)
 os.chdir(WORK_DIR)
 
@@ -162,66 +173,66 @@ artifact_regex = r = re.compile("<a href=\"(.*.tgz)\">")
 artifacts = r.findall(index_page)
 
 for artifact in artifacts:
-  print "==== Verifying download integrity for artifact: %s ====" % artifact
-
-  artifact_url = "%s/%s" % (RELEASE_URL, artifact)
-  run_cmd("wget %s" % artifact_url)
-
-  key_file = "%s.asc" % artifact
-  run_cmd("wget %s/%s" % (RELEASE_URL, key_file))
-
-  run_cmd("wget %s%s" % (artifact_url, ".sha"))
-
-  # Verify signature
-  run_cmd("%s --keyserver pgp.mit.edu --recv-key %s" % (GPG_CMD, RELEASE_KEY))
-  run_cmd("%s %s" % (GPG_CMD, key_file))
-  passed("Artifact signature verified.")
-
-  # Verify md5
-  my_md5 = run_cmd_with_output("%s --print-md MD5 %s" % (GPG_CMD, artifact)).strip()
-  release_md5 = get_url("%s.md5" % artifact_url).strip()
-  test(my_md5 == release_md5, "Artifact MD5 verified.")
-
-  # Verify sha
-  my_sha = run_cmd_with_output("%s --print-md SHA512 %s" % (GPG_CMD, artifact)).strip()
-  release_sha = get_url("%s.sha" % artifact_url).strip()
-  test(my_sha == release_sha, "Artifact SHA verified.")
-
-  # Verify Apache required files
-  dir_name = artifact.replace(".tgz", "")
-  run_cmd("tar xvzf %s" % artifact)
-  base_files = os.listdir(dir_name)
-  test("CHANGES.txt" in base_files, "Tarball contains CHANGES.txt file")
-  test("NOTICE" in base_files, "Tarball contains NOTICE file")
-  test("LICENSE" in base_files, "Tarball contains LICENSE file")
- 
-  os.chdir(WORK_DIR)
- 
+    print "==== Verifying download integrity for artifact: %s ====" % artifact
+
+    artifact_url = "%s/%s" % (RELEASE_URL, artifact)
+    run_cmd("wget %s" % artifact_url)
+
+    key_file = "%s.asc" % artifact
+    run_cmd("wget %s/%s" % (RELEASE_URL, key_file))
+
+    run_cmd("wget %s%s" % (artifact_url, ".sha"))
+
+    # Verify signature
+    run_cmd("%s --keyserver pgp.mit.edu --recv-key %s" % (GPG_CMD, RELEASE_KEY))
+    run_cmd("%s %s" % (GPG_CMD, key_file))
+    passed("Artifact signature verified.")
+
+    # Verify md5
+    my_md5 = run_cmd_with_output("%s --print-md MD5 %s" % (GPG_CMD, artifact)).strip()
+    release_md5 = get_url("%s.md5" % artifact_url).strip()
+    test(my_md5 == release_md5, "Artifact MD5 verified.")
+
+    # Verify sha
+    my_sha = run_cmd_with_output("%s --print-md SHA512 %s" % (GPG_CMD, artifact)).strip()
+    release_sha = get_url("%s.sha" % artifact_url).strip()
+    test(my_sha == release_sha, "Artifact SHA verified.")
+
+    # Verify Apache required files
+    dir_name = artifact.replace(".tgz", "")
+    run_cmd("tar xvzf %s" % artifact)
+    base_files = os.listdir(dir_name)
+    test("CHANGES.txt" in base_files, "Tarball contains CHANGES.txt file")
+    test("NOTICE" in base_files, "Tarball contains NOTICE file")
+    test("LICENSE" in base_files, "Tarball contains LICENSE file")
+
+    os.chdir(WORK_DIR)
+
 for artifact in artifacts:
-  print "==== Verifying build and tests for artifact: %s ====" % artifact
-  os.chdir(os.path.join(WORK_DIR, dir_name))
-
-  os.environ["MAVEN_OPTS"] = "-Xmx3g -XX:MaxPermSize=1g -XX:ReservedCodeCacheSize=1g"
-  # Verify build
-  print "==> Running build"
-  run_cmd("sbt assembly")
-  passed("sbt build successful")
-  run_cmd("%s package -DskipTests" % MAVEN_CMD)    
-  passed("Maven build successful")
-
-  # Verify tests
-  print "==> Performing unit tests"
-  run_cmd("%s test" % MAVEN_CMD)
-  passed("Tests successful")
-  os.chdir(WORK_DIR)
+    print "==== Verifying build and tests for artifact: %s ====" % artifact
+    os.chdir(os.path.join(WORK_DIR, dir_name))
+
+    os.environ["MAVEN_OPTS"] = "-Xmx3g -XX:MaxPermSize=1g -XX:ReservedCodeCacheSize=1g"
+    # Verify build
+    print "==> Running build"
+    run_cmd("sbt assembly")
+    passed("sbt build successful")
+    run_cmd("%s package -DskipTests" % MAVEN_CMD)
+    passed("Maven build successful")
+
+    # Verify tests
+    print "==> Performing unit tests"
+    run_cmd("%s test" % MAVEN_CMD)
+    passed("Tests successful")
+    os.chdir(WORK_DIR)
 
 clean_work_files()
 
 if len(failures) == 0:
-  print "ALL TESTS PASSED"
+    print "ALL TESTS PASSED"
 else:
-  print "SOME TESTS DID NOT PASS"
-  for f in failures:
-    print f
+    print "SOME TESTS DID NOT PASS"
+    for f in failures:
+        print f
 
 os.chdir(original_dir)