def dump_top_key_tuple(top_key_tuple, out_func=default_out):
""" Debugging function to print a top_key_tuple. """
out_func("--- %s top key tuple---\n" % HDR_BYTES)
for index, chk in enumerate(top_key_tuple[0]):
out_func("graph_%s:%s\n" % (chr(ord('a') + index), chk))
for index, update in enumerate(top_key_tuple[1]):
if update[4] and update[5]:
text = "full graph info"
elif not (update[4] or update[5]):
text = "incomplete parent, head lists"
elif not update[4]:
text = "incomplete parent list"
else:
text = "incomplete head list"
out_func("update[%i] (%s)\n" % (index, text))
out_func(" length : %i\n" % update[0])
out_func(" parents: %s\n" % ' '.join([ver[:12]
for ver in update[1]]))
out_func(" heads : %s\n" % ' '.join([ver[:12]
for ver in update[2]]))
for index, chk in enumerate(update[3]):
out_func(" CHK[%i]:%s\n" % (index, chk))
out_func("binary rep sha1:\n0x00:%s\n0xff:%s\n" %
(sha1_hexdigest(top_key_tuple_to_bytes(top_key_tuple, 0)),
sha1_hexdigest(top_key_tuple_to_bytes(top_key_tuple, 0xff))))
out_func("---\n")
def get_bundle_path(self, index_pair):
""" INTERNAL: Get the full path to a bundle file for the given edge. """
bundle_id = sha1_hexdigest(
''.join(self.graph.index_table[index_pair[0]][0]) +
'|' # hmmm really needed?
+ ''.join(self.graph.index_table[index_pair[0]][1]) +
''.join(self.graph.index_table[index_pair[1]][0]) +
'|' # hmmm really needed?
+ ''.join(self.graph.index_table[index_pair[1]][1]))
return os.path.join(self.base_dir, "_tmp_%s.hg" % bundle_id)
def get_bundle_path(self, index_pair):
""" INTERNAL: Get the full path to a bundle file for the given edge. """
bundle_id = sha1_hexdigest(
"".join(self.graph.index_table[index_pair[0]][0])
+ "|" # hmmm really needed?
+ "".join(self.graph.index_table[index_pair[0]][1])
+ "".join(self.graph.index_table[index_pair[1]][0])
+ "|" # hmmm really needed?
+ "".join(self.graph.index_table[index_pair[1]][1])
)
return os.path.join(self.base_dir, "_tmp_%s.hg" % bundle_id)
def dump_top_key_tuple(top_key_tuple, out_func=default_out):
""" Debugging function to print a top_key_tuple. """
out_func("--- %s top key tuple---\n" % HDR_BYTES)
out_func("age: %i\n" % top_key_tuple[2])
for index, block in enumerate(top_key_tuple[0]):
out_func("block[%i]\n len: %i max age: %i\n" %
(index, block[0], block[2]))
for chk in block[1]:
out_func(" %s\n" % chk)
for index, obj in enumerate(top_key_tuple[1]):
out_func("root_sha[%i]: %s %i\n" % (index, sha1_hexdigest(obj[0]),
obj[1]))
out_func("---\n")
def dump_top_key_tuple(top_key_tuple, out_func=default_out):
""" Debugging function to print a top_key_tuple. """
out_func("--- %s top key tuple---\n" % HDR_BYTES)
out_func("age: %i\n" % top_key_tuple[2])
for index, block in enumerate(top_key_tuple[0]):
out_func("block[%i]\n len: %i max age: %i\n" %
(index, block[0], block[2]))
for chk in block[1]:
out_func(" %s\n" % chk)
for index, obj in enumerate(top_key_tuple[1]):
out_func("root_sha[%i]: %s %i\n" %
(index, sha1_hexdigest(obj[0]), obj[1]))
out_func("---\n")
def dump_top_key_tuple(top_key_tuple, out_func=default_out):
""" Debugging function to print a top_key_tuple. """
out_func("--- %s top key tuple---\n" % HDR_BYTES)
for index, chk in enumerate(top_key_tuple[0]):
out_func("graph_%s:%s\n" % (chr(ord('a') + index), chk))
for index, update in enumerate(top_key_tuple[1]):
if update[4] and update[5]:
text = "full graph info"
elif not (update[4] or update[5]):
text = "incomplete parent, head lists"
elif not update[4]:
text = "incomplete parent list"
else:
text = "incomplete head list"
out_func("update[%i] (%s)\n" % (index, text))
out_func(" length : %i\n" % update[0])
out_func(" parents: %s\n" % ' '.join([ver[:12] for ver in update[1]]))
out_func(" heads : %s\n" % ' '.join([ver[:12] for ver in update[2]]))
for index, chk in enumerate(update[3]):
out_func(" CHK[%i]:%s\n" % (index, chk))
out_func("binary rep sha1:\n0x00:%s\n0xff:%s\n" %
(sha1_hexdigest(top_key_tuple_to_bytes(top_key_tuple, 0)),
sha1_hexdigest(top_key_tuple_to_bytes(top_key_tuple, 0xff))))
out_func("---\n")
def check_usk_hash(usk, hash_value):
""" Returns True if the hash matches, False otherwise. """
return (sha1_hexdigest(get_usk_for_usk_version(usk, 0))[:12]
== hash_value)
def get_usk_hash(usk):
""" Returns a 12 hex digit hash for a USK which is independant
of verison. """
return sha1_hexdigest(get_usk_for_usk_version(usk, 0))[:12]
def check_usk_hash(usk, hash_value):
""" Returns True if the hash matches, False otherwise. """
return (sha1_hexdigest(get_usk_for_usk_version(usk, 0))[:12] == hash_value)
def get_usk_hash(usk):
""" Returns a 12 hex digit hash for a USK which is independant
of verison. """
return sha1_hexdigest(get_usk_for_usk_version(usk, 0))[:12]
def chk_file_name(chk):
""" Return a file name for the CHK. """
return CHK_NAME_FMT % sha1_hexdigest(chk)
