#!/usr/bin/env python
+from __future__ import print_function
import sys
import struct
import string
class QcowHeaderExtension:
def __init__(self, magic, length, data):
+ if length % 8 != 0:
+ padding = 8 - (length % 8)
+ data += "\0" * padding
+
self.magic = magic
self.length = length
self.data = data
def dump(self):
for f in QcowHeader.fields:
- print "%-25s" % f[2], f[1] % self.__dict__[f[2]]
- print ""
+ print("%-25s" % f[2], f[1] % self.__dict__[f[2]])
+ print("")
def dump_extensions(self):
for ex in self.extensions:
else:
data = "<binary>"
- print "Header extension:"
- print "%-25s %#x" % ("magic", ex.magic)
- print "%-25s %d" % ("length", ex.length)
- print "%-25s %s" % ("data", data)
- print ""
+ print("Header extension:")
+ print("%-25s %#x" % ("magic", ex.magic))
+ print("%-25s %d" % ("length", ex.length))
+ print("%-25s %s" % ("data", data))
+ print("")
def cmd_dump_header(fd):
try:
value = int(value, 0)
except:
- print "'%s' is not a valid number" % value
+ print("'%s' is not a valid number" % value)
sys.exit(1)
fields = (field[2] for field in QcowHeader.fields)
if not name in fields:
- print "'%s' is not a known header field" % name
+ print("'%s' is not a known header field" % name)
sys.exit(1)
h = QcowHeader(fd)
try:
magic = int(magic, 0)
except:
- print "'%s' is not a valid magic number" % magic
+ print("'%s' is not a valid magic number" % magic)
sys.exit(1)
h = QcowHeader(fd)
try:
magic = int(magic, 0)
except:
- print "'%s' is not a valid magic number" % magic
+ print("'%s' is not a valid magic number" % magic)
sys.exit(1)
h = QcowHeader(fd)
h.extensions.remove(ex)
if not found:
- print "No such header extension"
+ print("No such header extension")
return
h.update(fd)
if bit < 0 or bit >= 64:
raise ValueError
except:
- print "'%s' is not a valid bit number in range [0, 64)" % bit
+ print("'%s' is not a valid bit number in range [0, 64)" % bit)
sys.exit(1)
h = QcowHeader(fd)
elif group == 'autoclear':
h.autoclear_features |= 1 << bit
else:
- print "'%s' is not a valid group, try 'incompatible', 'compatible', or 'autoclear'" % group
+ print("'%s' is not a valid group, try 'incompatible', 'compatible', or 'autoclear'" % group)
sys.exit(1)
h.update(fd)
else:
handler(fd, *args)
return
- print "Unknown command '%s'" % cmd
+ print("Unknown command '%s'" % cmd)
finally:
fd.close()
def usage():
- print "Usage: %s <file> <cmd> [<arg>, ...]" % sys.argv[0]
- print ""
- print "Supported commands:"
+ print("Usage: %s <file> <cmd> [<arg>, ...]" % sys.argv[0])
+ print("")
+ print("Supported commands:")
for name, handler, num_args, desc in cmds:
- print " %-20s - %s" % (name, desc)
+ print(" %-20s - %s" % (name, desc))
if __name__ == '__main__':
if len(sys.argv) < 3: