Ignore error if directory already exists (#47)

* Ignore error if directory already exists

Fixes #46

* issues/46: Ignore errors if destination directory already exists.

Co-authored-by: Frank Greguska <Francis.Greguska@jpl.nasa.gov>

.gitignore

@@ -5,4 +5,5 @@ data-sub/
 build/
 dist/
 podaac_data_subscriber.egg-info/
-.idea/
+.idea/
+venv

CHANGELOG.md

@@ -11,6 +11,7 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/)
 ### Changed
 - created library of common access mechanisms to split between subscriber and downloader capabilities
 - added .tar.gz to list of default extensions. [40](https://github.com/podaac/data-subscriber/issues/40)
+- Ignore error if destination directory already exists. [46](https://github.com/podaac/data-subscriber/issues/46)
 ### Deprecated
 ### Removed
 ### Fixed

subscriber/podaac_access.py

@@ -149,7 +149,7 @@ def validate(args):
 
 def check_dir(path):
  if not isdir(path):
- makedirs(path)
+ makedirs(path, exist_ok=True)
 
 
 def prepare_time_output(times, prefix, file, args, ts_shift):

subscriber/podaac_data_downloader.py

@@ -94,7 +94,7 @@ def run():
 
  if not isdir(data_path):
  print("NOTE: Making new data directory at " + data_path + "(This is the first run.)")
- makedirs(data_path)
+ makedirs(data_path, exist_ok=True)
 
  # Change this to whatever extent you need. Format is W Longitude,S Latitude,E Longitude,N Latitude
  bounding_extent = args.bbox

subscriber/podaac_data_subscriber.py

@@ -123,7 +123,7 @@ def run():
 
  if not isdir(data_path):
  print("NOTE: Making new data directory at " + data_path + "(This is the first run.)")
- makedirs(data_path)
+ makedirs(data_path, exist_ok=True)
  else:
  try:
  with open(data_path + "/.update", "r") as f: