From 9480e00023b1315609000cf256c59425e9efdccd Mon Sep 17 00:00:00 2001
From: Gertjan van den Burg <gertjanvandenburg@gmail.com>
Date: Mon, 17 Aug 2020 20:44:42 +0100
Subject: Add retries to all download scripts

---
 datasets/homeruns/get_homeruns.py | 17 ++++++++++++++++-
 1 file changed, 16 insertions(+), 1 deletion(-)

(limited to 'datasets/homeruns')

diff --git a/datasets/homeruns/get_homeruns.py b/datasets/homeruns/get_homeruns.py
index 6093484..dab616c 100644
--- a/datasets/homeruns/get_homeruns.py
+++ b/datasets/homeruns/get_homeruns.py
@@ -17,9 +17,12 @@ import clevercsv
 import hashlib
 import json
 import os
+import sys
+import time
 
 from functools import wraps
 from urllib.request import urlretrieve
+from urllib.error import URLError
 
 # Original source of the batting csv file
 CSV_URL = "https://web.archive.org/web/20191128150525if_/https://raw.githubusercontent.com/chadwickbureau/baseballdatabank/242285f8f5e8981327cf50c07355fb034833ce4a/core/Batting.csv"
@@ -70,7 +73,19 @@ def validate(checksum):
 
 @validate(MD5_CSV)
 def download_csv(target_path=None):
-    urlretrieve(CSV_URL, target_path)
+    count = 0
+    while count < 5:
+        count += 1
+        try:
+            urlretrieve(CSV_URL, target_path)
+            return
+        except URLError as err:
+            print(
+                "Error occurred (%r) when trying to download csv. Retrying in 5 seconds"
+                % err,
+                sys.stderr,
+            )
+            time.sleep(5)
 
 
 def read_csv(csv_file):
-- 
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