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authorGuido van Rossum <guido@python.org>1998-03-26 21:13:24 (GMT)
committerGuido van Rossum <guido@python.org>1998-03-26 21:13:24 (GMT)
commit45e2fbc2e70ef28b1f0327207f33dab3a4e825c5 (patch)
tree24cafdb6ffb07170188292a02440935291327cde /Lib/xdrlib.py
parent9ea7024754f0e42d7fc70fd1c8f6f6cfbf7e1cf0 (diff)
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Mass check-in after untabifying all files that need it.
Diffstat (limited to 'Lib/xdrlib.py')
-rw-r--r--Lib/xdrlib.py288
1 files changed, 144 insertions, 144 deletions
diff --git a/Lib/xdrlib.py b/Lib/xdrlib.py
index 50a9eea..290d92e 100644
--- a/Lib/xdrlib.py
+++ b/Lib/xdrlib.py
@@ -18,11 +18,11 @@ class Error:
"""
def __init__(self, msg):
- self.msg = msg
+ self.msg = msg
def __repr__(self):
- return repr(self.msg)
+ return repr(self.msg)
def __str__(self):
- return str(self.msg)
+ return str(self.msg)
class ConversionError(Error):
@@ -34,76 +34,76 @@ class Packer:
"""Pack various data representations into a buffer."""
def __init__(self):
- self.reset()
+ self.reset()
def reset(self):
- self.__buf = ''
+ self.__buf = ''
def get_buffer(self):
- return self.__buf
+ return self.__buf
# backwards compatibility
get_buf = get_buffer
def pack_uint(self, x):
- self.__buf = self.__buf + struct.pack('>L', x)
+ self.__buf = self.__buf + struct.pack('>L', x)
pack_int = pack_uint
pack_enum = pack_int
def pack_bool(self, x):
- if x: self.__buf = self.__buf + '\0\0\0\1'
- else: self.__buf = self.__buf + '\0\0\0\0'
+ if x: self.__buf = self.__buf + '\0\0\0\1'
+ else: self.__buf = self.__buf + '\0\0\0\0'
def pack_uhyper(self, x):
- self.pack_uint(x>>32 & 0xffffffffL)
- self.pack_uint(x & 0xffffffffL)
+ self.pack_uint(x>>32 & 0xffffffffL)
+ self.pack_uint(x & 0xffffffffL)
pack_hyper = pack_uhyper
def pack_float(self, x):
- try: self.__buf = self.__buf + struct.pack('>f', x)
- except struct.error, msg:
- raise ConversionError, msg
+ try: self.__buf = self.__buf + struct.pack('>f', x)
+ except struct.error, msg:
+ raise ConversionError, msg
def pack_double(self, x):
- try: self.__buf = self.__buf + struct.pack('>d', x)
- except struct.error, msg:
- raise ConversionError, msg
+ try: self.__buf = self.__buf + struct.pack('>d', x)
+ except struct.error, msg:
+ raise ConversionError, msg
def pack_fstring(self, n, s):
- if n < 0:
- raise ValueError, 'fstring size must be nonnegative'
- n = ((n+3)/4)*4
- data = s[:n]
- data = data + (n - len(data)) * '\0'
- self.__buf = self.__buf + data
+ if n < 0:
+ raise ValueError, 'fstring size must be nonnegative'
+ n = ((n+3)/4)*4
+ data = s[:n]
+ data = data + (n - len(data)) * '\0'
+ self.__buf = self.__buf + data
pack_fopaque = pack_fstring
def pack_string(self, s):
- n = len(s)
- self.pack_uint(n)
- self.pack_fstring(n, s)
+ n = len(s)
+ self.pack_uint(n)
+ self.pack_fstring(n, s)
pack_opaque = pack_string
pack_bytes = pack_string
def pack_list(self, list, pack_item):
- for item in list:
- self.pack_uint(1)
- pack_item(item)
- self.pack_uint(0)
+ for item in list:
+ self.pack_uint(1)
+ pack_item(item)
+ self.pack_uint(0)
def pack_farray(self, n, list, pack_item):
- if len(list) <> n:
- raise ValueError, 'wrong array size'
- for item in list:
- pack_item(item)
+ if len(list) <> n:
+ raise ValueError, 'wrong array size'
+ for item in list:
+ pack_item(item)
def pack_array(self, list, pack_item):
- n = len(list)
- self.pack_uint(n)
- self.pack_farray(n, list, pack_item)
+ n = len(list)
+ self.pack_uint(n)
+ self.pack_farray(n, list, pack_item)
@@ -111,168 +111,168 @@ class Unpacker:
"""Unpacks various data representations from the given buffer."""
def __init__(self, data):
- self.reset(data)
+ self.reset(data)
def reset(self, data):
- self.__buf = data
- self.__pos = 0
+ self.__buf = data
+ self.__pos = 0
def get_position(self):
- return self.__pos
+ return self.__pos
def set_position(self, position):
- self.__pos = position
+ self.__pos = position
def get_buffer(self):
- return self.__buf
+ return self.__buf
def done(self):
- if self.__pos < len(self.__buf):
- raise Error('unextracted data remains')
+ if self.__pos < len(self.__buf):
+ raise Error('unextracted data remains')
def unpack_uint(self):
- i = self.__pos
- self.__pos = j = i+4
- data = self.__buf[i:j]
- if len(data) < 4:
- raise EOFError
- x = struct.unpack('>L', data)[0]
- try:
- return int(x)
- except OverflowError:
- return x
+ i = self.__pos
+ self.__pos = j = i+4
+ data = self.__buf[i:j]
+ if len(data) < 4:
+ raise EOFError
+ x = struct.unpack('>L', data)[0]
+ try:
+ return int(x)
+ except OverflowError:
+ return x
def unpack_int(self):
- i = self.__pos
- self.__pos = j = i+4
- data = self.__buf[i:j]
- if len(data) < 4:
- raise EOFError
- return struct.unpack('>l', data)[0]
+ i = self.__pos
+ self.__pos = j = i+4
+ data = self.__buf[i:j]
+ if len(data) < 4:
+ raise EOFError
+ return struct.unpack('>l', data)[0]
unpack_enum = unpack_int
unpack_bool = unpack_int
def unpack_uhyper(self):
- hi = self.unpack_uint()
- lo = self.unpack_uint()
- return long(hi)<<32 | lo
+ hi = self.unpack_uint()
+ lo = self.unpack_uint()
+ return long(hi)<<32 | lo
def unpack_hyper(self):
- x = self.unpack_uhyper()
- if x >= 0x8000000000000000L:
- x = x - 0x10000000000000000L
- return x
+ x = self.unpack_uhyper()
+ if x >= 0x8000000000000000L:
+ x = x - 0x10000000000000000L
+ return x
def unpack_float(self):
- i = self.__pos
- self.__pos = j = i+4
- data = self.__buf[i:j]
- if len(data) < 4:
- raise EOFError
- return struct.unpack('>f', data)[0]
+ i = self.__pos
+ self.__pos = j = i+4
+ data = self.__buf[i:j]
+ if len(data) < 4:
+ raise EOFError
+ return struct.unpack('>f', data)[0]
def unpack_double(self):
- i = self.__pos
- self.__pos = j = i+8
- data = self.__buf[i:j]
- if len(data) < 8:
- raise EOFError
- return struct.unpack('>d', data)[0]
+ i = self.__pos
+ self.__pos = j = i+8
+ data = self.__buf[i:j]
+ if len(data) < 8:
+ raise EOFError
+ return struct.unpack('>d', data)[0]
def unpack_fstring(self, n):
- if n < 0:
- raise ValueError, 'fstring size must be nonnegative'
- i = self.__pos
- j = i + (n+3)/4*4
- if j > len(self.__buf):
- raise EOFError
- self.__pos = j
- return self.__buf[i:i+n]
+ if n < 0:
+ raise ValueError, 'fstring size must be nonnegative'
+ i = self.__pos
+ j = i + (n+3)/4*4
+ if j > len(self.__buf):
+ raise EOFError
+ self.__pos = j
+ return self.__buf[i:i+n]
unpack_fopaque = unpack_fstring
def unpack_string(self):
- n = self.unpack_uint()
- return self.unpack_fstring(n)
+ n = self.unpack_uint()
+ return self.unpack_fstring(n)
unpack_opaque = unpack_string
unpack_bytes = unpack_string
def unpack_list(self, unpack_item):
- list = []
- while 1:
- x = self.unpack_uint()
- if x == 0: break
- if x <> 1:
- raise ConversionError, '0 or 1 expected, got ' + `x`
- item = unpack_item()
- list.append(item)
- return list
+ list = []
+ while 1:
+ x = self.unpack_uint()
+ if x == 0: break
+ if x <> 1:
+ raise ConversionError, '0 or 1 expected, got ' + `x`
+ item = unpack_item()
+ list.append(item)
+ return list
def unpack_farray(self, n, unpack_item):
- list = []
- for i in range(n):
- list.append(unpack_item())
- return list
+ list = []
+ for i in range(n):
+ list.append(unpack_item())
+ return list
def unpack_array(self, unpack_item):
- n = self.unpack_uint()
- return self.unpack_farray(n, unpack_item)
+ n = self.unpack_uint()
+ return self.unpack_farray(n, unpack_item)
# test suite
def _test():
p = Packer()
packtest = [
- (p.pack_uint, (9,)),
- (p.pack_bool, (None,)),
- (p.pack_bool, ('hello',)),
- (p.pack_uhyper, (45L,)),
- (p.pack_float, (1.9,)),
- (p.pack_double, (1.9,)),
- (p.pack_string, ('hello world',)),
- (p.pack_list, (range(5), p.pack_uint)),
- (p.pack_array, (['what', 'is', 'hapnin', 'doctor'], p.pack_string)),
- ]
+ (p.pack_uint, (9,)),
+ (p.pack_bool, (None,)),
+ (p.pack_bool, ('hello',)),
+ (p.pack_uhyper, (45L,)),
+ (p.pack_float, (1.9,)),
+ (p.pack_double, (1.9,)),
+ (p.pack_string, ('hello world',)),
+ (p.pack_list, (range(5), p.pack_uint)),
+ (p.pack_array, (['what', 'is', 'hapnin', 'doctor'], p.pack_string)),
+ ]
succeedlist = [1] * len(packtest)
count = 0
for method, args in packtest:
- print 'pack test', count,
- try:
- apply(method, args)
- print 'succeeded'
- except ConversionError, var:
- print 'ConversionError:', var.msg
- succeedlist[count] = 0
- count = count + 1
+ print 'pack test', count,
+ try:
+ apply(method, args)
+ print 'succeeded'
+ except ConversionError, var:
+ print 'ConversionError:', var.msg
+ succeedlist[count] = 0
+ count = count + 1
data = p.get_buffer()
# now verify
up = Unpacker(data)
unpacktest = [
- (up.unpack_uint, (), lambda x: x == 9),
- (up.unpack_bool, (), lambda x: not x),
- (up.unpack_bool, (), lambda x: x),
- (up.unpack_uhyper, (), lambda x: x == 45L),
- (up.unpack_float, (), lambda x: 1.89 < x < 1.91),
- (up.unpack_double, (), lambda x: 1.89 < x < 1.91),
- (up.unpack_string, (), lambda x: x == 'hello world'),
- (up.unpack_list, (up.unpack_uint,), lambda x: x == range(5)),
- (up.unpack_array, (up.unpack_string,),
- lambda x: x == ['what', 'is', 'hapnin', 'doctor']),
- ]
+ (up.unpack_uint, (), lambda x: x == 9),
+ (up.unpack_bool, (), lambda x: not x),
+ (up.unpack_bool, (), lambda x: x),
+ (up.unpack_uhyper, (), lambda x: x == 45L),
+ (up.unpack_float, (), lambda x: 1.89 < x < 1.91),
+ (up.unpack_double, (), lambda x: 1.89 < x < 1.91),
+ (up.unpack_string, (), lambda x: x == 'hello world'),
+ (up.unpack_list, (up.unpack_uint,), lambda x: x == range(5)),
+ (up.unpack_array, (up.unpack_string,),
+ lambda x: x == ['what', 'is', 'hapnin', 'doctor']),
+ ]
count = 0
for method, args, pred in unpacktest:
- print 'unpack test', count,
- try:
- if succeedlist[count]:
- x = apply(method, args)
- print pred(x) and 'succeeded' or 'failed', ':', x
- else:
- print 'skipping'
- except ConversionError, var:
- print 'ConversionError:', var.msg
- count = count + 1
+ print 'unpack test', count,
+ try:
+ if succeedlist[count]:
+ x = apply(method, args)
+ print pred(x) and 'succeeded' or 'failed', ':', x
+ else:
+ print 'skipping'
+ except ConversionError, var:
+ print 'ConversionError:', var.msg
+ count = count + 1
if __name__ == '__main__':