X-Git-Url: https://git.arvados.org/arvados.git/blobdiff_plain/c0e203e7f3e9e40736eac63cbe440d5e46e379c0..0a415b6c80c3bf39bb753274aae857eadde2f590:/sdk/python/arvados/util.py

diff --git a/sdk/python/arvados/util.py b/sdk/python/arvados/util.py
index 1a97358605..9e0a317830 100644
--- a/sdk/python/arvados/util.py
+++ b/sdk/python/arvados/util.py
@@ -2,10 +2,14 @@
 #
 # SPDX-License-Identifier: Apache-2.0
 
+from __future__ import division
+from builtins import range
+
 import fcntl
 import hashlib
 import httplib2
 import os
+import random
 import re
 import subprocess
 import errno
@@ -15,6 +19,9 @@ import arvados
 from arvados.collection import CollectionReader
 
 HEX_RE = re.compile(r'^[0-9a-fA-F]+$')
+CR_UNCOMMITTED = 'Uncommitted'
+CR_COMMITTED = 'Committed'
+CR_FINAL = 'Final'
 
 keep_locator_pattern = re.compile(r'[0-9a-f]{32}\+\d+(\+\S+)*')
 signed_locator_pattern = re.compile(r'[0-9a-f]{32}\+\d+(\+\S+)*\+A\S+(\+\S+)*')
@@ -399,3 +406,24 @@ def ca_certs_path(fallback=httplib2.CA_CERTS):
         if os.path.exists(ca_certs_path):
             return ca_certs_path
     return fallback
+
+def new_request_id():
+    rid = "req-"
+    # 2**104 > 36**20 > 2**103
+    n = random.getrandbits(104)
+    for _ in range(20):
+        c = n % 36
+        if c < 10:
+            rid += chr(c+ord('0'))
+        else:
+            rid += chr(c+ord('a')-10)
+        n = n // 36
+    return rid
+
+def get_config_once(svc):
+    if not svc._rootDesc.get('resources')['configs']:
+        # Old API server version, no config export endpoint
+        return {}
+    if not hasattr(svc, '_cached_config'):
+        svc._cached_config = svc.configs().get().execute()
+    return svc._cached_config