Github user davies commented on a diff in the pull request:
https://github.com/apache/spark/pull/8318#discussion_r44564442
--- Diff: python/pyspark/__init__.py ---
@@ -36,6 +36,53 @@
Finer-grained cache persistence levels.
"""
+import os
+import re
+import sys
+
+from os.path import isfile, join
+
+import xml.etree.ElementTree as ET
+
+if os.environ.get("SPARK_HOME") is None:
+ raise ImportError("Environment variable SPARK_HOME is undefined.")
+
+spark_home = os.environ['SPARK_HOME']
+pom_xml_file_path = join(spark_home, 'pom.xml')
+snapshot_version = None
+
+if isfile(pom_xml_file_path):
+ try:
+ tree = ET.parse(pom_xml_file_path)
+ root = tree.getroot()
+ version_tag = root[4].text
+ snapshot_version = version_tag[:5]
+ except:
+ raise ImportError("Could not read the spark version, because
pom.xml file" +
+ " could not be read.")
+else:
+ try:
+ lib_file_path = join(spark_home, "lib")
--- End diff --
Since we will always need this branch, can we remove the other one (always
find the version from assembly jar)?
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