optimize pulling the license (#33768)

* optimize pulling the license

* change python

Author: liferoad

sdks/java/container/license_scripts/pull_licenses_java.py

@@ -39,17 +39,17 @@
 from urllib.request import urlopen, Request, URLError, HTTPError
 
 SOURCE_CODE_REQUIRED_LICENSES = ['lgpl', 'gpl', 'cddl', 'mpl', 'gnu', 'mozilla public license']
-RETRY_NUM = 9
-THREADS = 16
+RETRY_NUM = 12
+THREADS = 8
 
-# workaround of a breaking change introduced in tenacity 8.5+ 
+# workaround of a breaking change introduced in tenacity 8.5+
 # See https://github.com/jd/tenacity/issues/486
 def resolve_retry_number(retried_fn):
     return retried_fn.retry.statistics.get("attempt_number") or \
         retried_fn.statistics.get("attempt_number")
 
 @retry(reraise=True,
-       wait=wait_fixed(5),
+       wait=wait_fixed(10),
        stop=stop_after_attempt(RETRY_NUM))
 def pull_from_url(file_name, url, dep, no_list):
     if url == 'skip':

sdks/python/container/license_scripts/pull_licenses_py.py

@@ -75,7 +75,7 @@ def copy_license_files(dep):
 @retry(
     reraise=True,
     wait=wait_exponential(multiplier=2),
-    stop=stop_after_attempt(5))
+    stop=stop_after_attempt(10))
 def pull_from_url(dep, configs):
   '''
   :param dep: name of a dependency