Skip to content

Added doctest and method description in context.py #187

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Closed
wants to merge 2 commits into from
Closed

Added doctest and method description in context.py #187

Changes from all commits
Commits
Show all changes
2 commits
Select commit Hold shift + click to select a range
5b23686
Updated context.py with method descriptions
jyotiska Mar 20, 2014
356f945
Added doctest for textFile method in context.py
jyotiska Mar 20, 2014
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
15 changes: 14 additions & 1 deletion python/pyspark/context.py
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -162,12 +162,18 @@ def __init__(self, master=None, appName=None, sparkHome=None, pyFiles=None,
self._temp_dir = \
self._jvm.org.apache.spark.util.Utils.createTempDir(local_dir).getAbsolutePath()

# Initialize SparkContext in function to allow subclass specific initialization
def _initialize_context(self, jconf):
"""
Initialize SparkContext in function to allow subclass specific initialization
"""
return self._jvm.JavaSparkContext(jconf)

@classmethod
def _ensure_initialized(cls, instance=None, gateway=None):
"""
Checks whether a SparkContext is initialized or not.
Throws error if a SparkContext is already running.
"""
with SparkContext._lock:
if not SparkContext._gateway:
SparkContext._gateway = gateway or launch_gateway()
Expand Down Expand Up @@ -252,6 +258,13 @@ def textFile(self, name, minSplits=None):
Read a text file from HDFS, a local file system (available on all
nodes), or any Hadoop-supported file system URI, and return it as an
RDD of Strings.

>>> path = os.path.join(tempdir, "sample-text.txt")
>>> with open(path, "w") as testFile:
... testFile.write("Hello world!")
>>> textFile = sc.textFile(path)
>>> textFile.collect()
[u'Hello world!']
"""
minSplits = minSplits or min(self.defaultParallelism, 2)
return RDD(self._jsc.textFile(name, minSplits), self,
Expand Down