Github user davies commented on a diff in the pull request:
https://github.com/apache/spark/pull/4897#discussion_r25988754
--- Diff: python/pyspark/context.py ---
@@ -710,6 +717,33 @@ def addPyFile(self, path):
# for tests in local mode
sys.path.insert(1, os.path.join(SparkFiles.getRootDirectory(),
filename))
+ def addRequirementsFile(self, path):
+ """
+ Add a pip requirements file to distribute dependencies for all
tasks
+ on thie SparkContext in the future. An ImportError will be thrown
if
+ a module in the file can't be downloaded.
+ See
https://pip.pypa.io/en/latest/user_guide.html#requirements-files
+ """
+ import importlib
+ import pip
+ import tarfile
+ import tempfile
+ import uuid
+ tar_dir = tempfile.mkdtemp()
+ try:
+ for req in pip.req.parse_requirements(path,
session=uuid.uuid1()):
+ if not req.check_if_exists():
+ pip.main(['install', req.req.__str__()])
+ mod = importlib.import_module(req.name) # Can throw
ImportError
--- End diff --
import lib is not available in Python 2.6
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