X-Git-Url: https://wannabe.guru.org/gitweb/?a=blobdiff_plain;f=id_generator.py;h=d4c70166bb3c52974793840cb8bebbf288500a49;hb=865825894beeedd47d26dd092d40bfee582f5475;hp=4e650dca9f13662a1ace7013d4f00bcd3a0082e2;hpb=709370b2198e09f1dbe195fe8813602a3125b7f6;p=python_utils.git

diff --git a/id_generator.py b/id_generator.py
index 4e650dc..d4c7016 100644
--- a/id_generator.py
+++ b/id_generator.py
@@ -10,7 +10,7 @@ logger = logging.getLogger(__name__)
 generators = {}
 
 
-def get(name: str) -> int:
+def get(name: str, *, start=0) -> int:
     """
     Returns a thread safe monotonically increasing id suitable for use
     as a globally unique identifier.
@@ -20,9 +20,13 @@ def get(name: str) -> int:
     0
     >>> id_generator.get('student_id')
     1
+    >>> id_generator.get('employee_id', start=10000)
+    10000
+    >>> id_generator.get('employee_id', start=10000)
+    10001
     """
     if name not in generators:
-        generators[name] = itertools.count()
+        generators[name] = itertools.count(start, 1)
     x = next(generators[name])
     logger.debug(f"Generated next id {x}")
     return x
@@ -30,4 +34,5 @@ def get(name: str) -> int:
 
 if __name__ == '__main__':
     import doctest
+
     doctest.testmod()