Fix PCAPReader (#4)

Fixing #4 
* Change file_name to filename (ValueError: PCAPReader)
* Use Cython for conversion PyBytes as *char (string)
* Add Cython missing dep
* Update version 24.10.1

CHANGELOG

@@ -1,6 +1,10 @@
 CHANGELOG
 ---------
 
+[24.10.1]
+* Add python dependency in setup.py (Cython)
+* Bugfix in pcap.py (pcap_info, PCAPREADER)
+
 [1.1.1]
  * Minor fixes for doc updates
 
@@ -14,4 +18,3 @@ CHANGELOG
 [1.0]
 
  * Initial commit
-

setup.py

@@ -26,6 +26,7 @@
 install_requires = (
     'steelscript>=24.2.0',
     'tzlocal',
+    'Cython'
 )
 
 
@@ -36,7 +37,7 @@
 
 setup_args = {
     'name':                'steelscript.packets',
-    'version':             '24.2.1',
+    'version':             '24.10.1',
     'author':              'Riverbed Technology',
     'author_email':        'eng-github@riverbed.com',
     'url':                 'http://pythonhosted.org/steelscript',

steelscript/packets/core/pcap.pyx

@@ -9,6 +9,8 @@
 from libc.stdlib cimport malloc, free
 from libc.stdint cimport uint32_t, uint64_t, uint16_t
 
+from cpython.bytes cimport PyBytes_AsString
+
 import time
 import socket
 import struct
@@ -457,10 +459,15 @@ cdef class PCAPReader(PCAPBase):
 
         fname_srt = kwargs.get('filename', '')
         fname_bytes = fname_srt.encode()
-        fname_p = fname_bytes
-        self.filename = fname_p
+
+        # Convert bytes object to char *
+        fname_p = PyBytes_AsString(fname_bytes)
+
+        # Store the bytes object
+        self.filename = fname_bytes
+
         self.have_dumper = 0
-        self.reader = open_offline(self.filename, errors)
+        self.reader = open_offline(fname_p, errors)
 
         if self.reader is NULL:
             v_err = ValueError("PCAPReader failed to open {0} for reading. "
@@ -570,7 +577,7 @@ cpdef dict pcap_info(str filename):
         double first_ts
         dict rval
 
-    rdr = PCAPReader(file_name=filename)
+    rdr = PCAPReader(filename=filename)
     ts, hdr, pkt = next(rdr)
     first_ts = ts
     pkts = 1