Github user nchammas commented on a diff in the pull request:
https://github.com/apache/spark/pull/5694#discussion_r29097702
--- Diff: dev/run-tests ---
@@ -17,239 +17,394 @@
# limitations under the License.
#
-# Go to the Spark project root directory
-FWDIR="$(cd "`dirname $0`"/..; pwd)"
-cd "$FWDIR"
+import os
+import re
+import shutil
+import subprocess as sp
+
+# Set the Spark project root directory
+spark_proj_root = os.path.abspath("..")
+# Set the user 'HOME' directory
+user_home_dir = os.environ.get("HOME")
+# Set the sbt maven profile arguments environment variable name
+sbt_maven_profile_args_env = "SBT_MAVEN_PROFILES_ARGS"
+# Set the amplab jenkins build tool environment variable name
+amplab_jenkins_build_tool_env = "AMPLAB_JENKINS_BUILD_TOOL"
+# Set the amplab jenkins build tool environment value
+amplab_jenkins_build_tool = os.environ.get(amplab_jenkins_build_tool_env)
+# Set whether we're on an Amplab Jenkins box by checking for a specific
+# environment variable
+amplab_jenkins = os.environ.get("AMPLAB_JENKINS")
+# Set the pattern for sbt output e.g. "[info] Resolving ..."
+resolving_re = "^.*[info].*Resolving"
+# Set the pattern for sbt output e.g. "[warn] Merging ..."
+merging_re = "^.*[warn].*Merging"
+# Set the pattern for sbt output e.g. "[info] Including ..."
+including_re = "^.*[info].*Including"
+# Compile the various regex patterns into a filter
+sbt_output_filter = re.compile(resolving_re + "|" +
+ merging_re + "|" +
+ including_re)
+
+def get_error_codes(err_code_file):
+ """Function to retrieve all block numbers from the `run-tests-codes.sh`
+ file to maintain backwards compatibility with the `run-tests-jenkins`
+ script"""
+
+ with open(err_code_file, 'r') as f:
+ err_codes = [e.split()[1].strip().split('=')
+ for e in f if e.startswith("readonly")]
+ return dict(err_codes)
+
+def rm_r(path):
+ """Given an arbitrary path properly remove it with the correct python
+ construct if it exists
+ - from: http://stackoverflow.com/a/9559881""";
+
+ if os.path.isdir(path):
+ shutil.rmtree(path)
+ elif os.path.exists(path):
+ os.remove(path)
+
+def lineno():
+ """Returns the current line number in our program
+ - from: http://stackoverflow.com/a/3056059""";
+
+ return inspect.currentframe().f_back.f_lineno
+
+def set_sbt_maven_profile_args():
+ """Properly sets the SBT environment variable arguments with additional
+ checks to determine if this is running on an Amplab Jenkins machine"""
+
+ # base environment values for sbt_maven_profile_args_env which will be
appended on
+ sbt_maven_profile_args_base = ["-Pkinesis-asl"]
+
+ sbt_maven_profile_arg_dict = {
+ "hadoop1.0" : ["-Dhadoop.version=1.0.4"],
+ "hadoop2.0" : ["-Dhadoop.version=2.0.0-mr1-cdh4.1.1"],
+ "hadoop2.2" : ["-Pyarn", "-Phadoop-2.2", "-Dhadoop.version=2.2.0"],
+ "hadoop2.3" : ["-Pyarn", "-Phadoop-2.3", "-Dhadoop.version=2.3.0"],
+ }
+
+ # set the SBT maven build profile argument environment variable and
ensure
+ # we build against the right version of Hadoop
+ if os.environ.get("AMPLAB_JENKINS_BUILD_PROFILE"):
+ os.environ[sbt_maven_profile_args_env] = \
+ " ".join(sbt_maven_profile_arg_dict.get(ajbp, [])
+ + sbt_maven_profile_args_base)
+ else:
+ os.environ[sbt_maven_profile_args_env] = \
+ " ".join(sbt_maven_profile_arg_dict.get("hadoop2.3", [])
+ + sbt_maven_profile_args_base)
+
+def is_exe(path):
+ """Check if a given path is an executable file
+ - from: http://stackoverflow.com/a/377028""";
+
+ return os.path.isfile(path) and os.access(path, os.X_OK)
+
+def which(program):
+ """Find and return the given program by its absolute path or 'None'
+ - from: http://stackoverflow.com/a/377028""";
+
+ fpath, fname = os.path.split(program)
+
+ if fpath:
+ if is_exe(program):
+ return program
+ else:
+ for path in os.environ.get("PATH").split(os.pathsep):
+ path = path.strip('"')
+ exe_file = os.path.join(path, program)
+ if is_exe(exe_file):
+ return exe_file
+ return None
+
+def determine_java_executable():
+ """Will return the *best* path possible for a 'java' executable or
`None`"""
+
+ java_home = os.environ.get("JAVA_HOME")
+
+ # check if there is an executable at $JAVA_HOME/bin/java
+ java_exe = which(os.path.join(java_home, "bin/java"))
+ # if the java_exe wasn't set, check for a `java` version on the $PATH
+ return java_exe if java_exe else which("java")
+
+def determine_java_version(java_exe):
+ """Given a valid java executable will return its version in tuple
format as:
+ [<major-version>, <minor-version>, <patch-version>,
<update-version>]"""
+
+ raw_output = sp.check_output([java_exe, "-version"], stderr=sp.STDOUT)
+ raw_version_str = raw_output.split('\n')[0] # eg 'java version
"1.8.0_25"'
+ version_str = raw_version_str.split()[-1].strip('"') # eg '1.8.0_25'
+ version, update = version_str.split('_') # eg ['1.8.0', '25']
+
+ # map over the values and convert them to integers
+ return map(lambda x: int(x), version.split('.') + [update])
+
+def multi_starts_with(orig_str, *prefixes):
+ """Takes a string and an abritrary number of prefixes then checks the
+ original string for any of the possible prefixes passed in"""
+
+ for s in prefixes:
+ if orig_str.startswith(s):
+ return True
+ return False
+
+# This function current acts to determine if SQL tests need to be run in
--- End diff --
Did you mean to make this a docstring instead?
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