Fix example SignedAttributes bounds

[pyderasn.git] / pyderasn.py

diff --git a/pyderasn.py b/pyderasn.py
index 516715a7f2e419a6d1070c03eee7f2c07bb1b895..e3ac23f2edac814ec2c6f806eadf8e40f012286f 100755 (executable)
--- a/pyderasn.py
+++ b/pyderasn.py
@@ -355,6 +355,11 @@ Let's parse that output, human::
  (and its derivatives), ``SET``, ``SET OF``, ``UTCTime``, ``GeneralizedTime``
  could be BERed.
 
+Also it could be helpful to add quick ASN.1 pprinting command in your
+pdb's configuration file::
+
+    alias pp1 import pyderasn ;; print(pyderasn.pprint(%1, oid_maps=(locals().get("OID_STR_TO_NAME", {}),)))
+
 .. _definedby:
 
 DEFINED BY
@@ -765,7 +770,7 @@ forcefully encoded in DER during CER encoding, by specifying
 
     class SignedAttributes(SetOf):
         schema = Attribute()
-        bounds = (1, 32)
+        bounds = (1, float("+inf"))
         der_forced = True
 
 .. _agg_octet_string:
@@ -1170,8 +1175,6 @@ from datetime import datetime
 from datetime import timedelta
 from io import BytesIO
 from math import ceil
-from mmap import mmap
-from mmap import PROT_READ
 from operator import attrgetter
 from string import ascii_letters
 from string import digits
@@ -1201,7 +1204,7 @@ except ImportError:  # pragma: no cover
     def colored(what, *args, **kwargs):
         return what
 
-__version__ = "8.0"
+__version__ = "8.1"
 
 __all__ = (
     "agg_octet_string",
@@ -1292,8 +1295,13 @@ def file_mmaped(fd):
 
     :param fd: file object
     :returns: memoryview over read-only mmap-ing of the whole file
+
+    .. warning::
+
+       It is known to work under neither Python 2.x nor Windows.
     """
-    return memoryview(mmap(fd.fileno(), 0, prot=PROT_READ))
+    import mmap
+    return memoryview(mmap.mmap(fd.fileno(), length=0, prot=mmap.PROT_READ))
 
 
 def pureint(value):
@@ -7897,12 +7905,12 @@ def main():  # pragma: no cover
         help="Path to BER/CER/DER file you want to decode",
     )
     args = parser.parse_args()
-    if PY2:
+    try:
+        raw = file_mmaped(args.RAWFile)[args.skip:]
+    except:
         args.RAWFile.seek(args.skip)
         raw = memoryview(args.RAWFile.read())
         args.RAWFile.close()
-    else:
-        raw = file_mmaped(args.RAWFile)[args.skip:]
     oid_maps = (
         [obj_by_path(_path) for _path in (args.oids or "").split(",")]
         if args.oids else ()