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author | Guido van Rossum <guido@python.org> | 1998-03-26 21:13:24 (GMT) |
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committer | Guido van Rossum <guido@python.org> | 1998-03-26 21:13:24 (GMT) |
commit | 45e2fbc2e70ef28b1f0327207f33dab3a4e825c5 (patch) | |
tree | 24cafdb6ffb07170188292a02440935291327cde /Lib/xdrlib.py | |
parent | 9ea7024754f0e42d7fc70fd1c8f6f6cfbf7e1cf0 (diff) | |
download | cpython-45e2fbc2e70ef28b1f0327207f33dab3a4e825c5.zip cpython-45e2fbc2e70ef28b1f0327207f33dab3a4e825c5.tar.gz cpython-45e2fbc2e70ef28b1f0327207f33dab3a4e825c5.tar.bz2 |
Mass check-in after untabifying all files that need it.
Diffstat (limited to 'Lib/xdrlib.py')
-rw-r--r-- | Lib/xdrlib.py | 288 |
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__': |