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Batuhan Osman TASKAYA
cpython
Commits
930f134f
Kaydet (Commit)
930f134f
authored
Nis 03, 1998
tarafından
Fred Drake
Dosyalara gözat
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Doc/lib/libbinascii.tex
Dosyayı görüntüle @
930f134f
\section
{
Built-in Module
\
sectcod
e
{
binascii
}}
\section
{
Built-in Module
\
modul
e
{
binascii
}}
\label
{
module-binascii
}
\bimodindex
{
binascii
}
The binascii module contains a number of methods to convert between
binary and various ascii-encoded binary representations. Normally, you
will not use these modules directly but use wrapper modules like
\var
{
uu
}
or
\var
{
hexbin
}
in stead, this module solely exists because
bit-manipuation of large amounts of data is slow in python.
The
\module
{
binascii
}
module contains a number of methods to convert
between binary and various
\ASCII
{}
-encoded binary
representations. Normally, you will not use these modules directly but
use wrapper modules like
\module
{
uu
}
\refstmodindex
{
uu
}
or
\module
{
hexbin
}
\refstmodindex
{
hexbin
}
instead, this module solely
exists because bit-manipuation of large amounts of data is slow in
Python.
The
\code
{
binascii
}
module defines the following functions:
\setindexsubitem
{
(in module binascii)
}
The
\module
{
binascii
}
module defines the following functions:
\begin{funcdesc}
{
a2b
_
uu
}{
string
}
Convert a single line of uuencoded data back to binary and return the
...
...
@@ -19,9 +19,9 @@ last line. Line data may be followed by whitespace.
\end{funcdesc}
\begin{funcdesc}
{
b2a
_
uu
}{
data
}
Convert binary data to a line of
ascii characters, the return value is
the converted line, including a newline char. The length of
\var
{
data
}
should be at most 45.
Convert binary data to a line of
\ASCII
{}
characters, the return value
is the converted line, including a newline char. The length of
\var
{
data
}
should be at most 45.
\end{funcdesc}
\begin{funcdesc}
{
a2b
_
base64
}{
string
}
...
...
@@ -30,15 +30,15 @@ binary data. More than one line may be passed at a time.
\end{funcdesc}
\begin{funcdesc}
{
b2a
_
base64
}{
data
}
Convert binary data to a line of
ascii
characters in base64 coding.
Convert binary data to a line of
\ASCII
{}
characters in base64 coding.
The return value is the converted line, including a newline char.
The length of
\var
{
data
}
should be at most 57 to adhere to the base64
standard.
\end{funcdesc}
\begin{funcdesc}
{
a2b
_
hqx
}{
string
}
Convert binhex4 formatted
ascii
data to binary, without doing
rle
-decompression. The string should contain a complete number of
Convert binhex4 formatted
\ASCII
{}
data to binary, without doing
RLE
-decompression. The string should contain a complete number of
binary bytes, or (in case of the last portion of the binhex4 data)
have the remaining bits zero.
\end{funcdesc}
...
...
@@ -49,7 +49,7 @@ standard. The algorithm uses \code{0x90} after a byte as a repeat
indicator, followed by a count. A count of
\code
{
0
}
specifies a byte
value of
\code
{
0x90
}
. The routine returns the decompressed data,
unless data input data ends in an orphaned repeat indicator, in which
case the
\
var
{
Incomplete
}
exception is raised.
case the
\
exception
{
Incomplete
}
exception is raised.
\end{funcdesc}
\begin{funcdesc}
{
rlecode
_
hqx
}{
data
}
...
...
@@ -58,9 +58,9 @@ result.
\end{funcdesc}
\begin{funcdesc}
{
b2a
_
hqx
}{
data
}
Perform hexbin4 binary-to-
ascii translation and return the resulting
string. The argument should already be rle-coded, and have a length
divisible by 3 (except possibly the last fragment).
Perform hexbin4 binary-to-
\ASCII
{}
translation and return the
resulting string. The argument should already be RLE-coded, and have a
length
divisible by 3 (except possibly the last fragment).
\end{funcdesc}
\begin{funcdesc}
{
crc
_
hqx
}{
data, crc
}
...
...
@@ -74,5 +74,6 @@ Exception raised on errors. These are usually programming errors.
\begin{excdesc}
{
Incomplete
}
Exception raised on incomplete data. These are usually not programming
errors, but handled by reading a little more data and trying again.
errors, but may be handled by reading a little more data and trying
again.
\end{excdesc}
Doc/libbinascii.tex
Dosyayı görüntüle @
930f134f
\section
{
Built-in Module
\
sectcod
e
{
binascii
}}
\section
{
Built-in Module
\
modul
e
{
binascii
}}
\label
{
module-binascii
}
\bimodindex
{
binascii
}
The binascii module contains a number of methods to convert between
binary and various ascii-encoded binary representations. Normally, you
will not use these modules directly but use wrapper modules like
\var
{
uu
}
or
\var
{
hexbin
}
in stead, this module solely exists because
bit-manipuation of large amounts of data is slow in python.
The
\module
{
binascii
}
module contains a number of methods to convert
between binary and various
\ASCII
{}
-encoded binary
representations. Normally, you will not use these modules directly but
use wrapper modules like
\module
{
uu
}
\refstmodindex
{
uu
}
or
\module
{
hexbin
}
\refstmodindex
{
hexbin
}
instead, this module solely
exists because bit-manipuation of large amounts of data is slow in
Python.
The
\code
{
binascii
}
module defines the following functions:
\setindexsubitem
{
(in module binascii)
}
The
\module
{
binascii
}
module defines the following functions:
\begin{funcdesc}
{
a2b
_
uu
}{
string
}
Convert a single line of uuencoded data back to binary and return the
...
...
@@ -19,9 +19,9 @@ last line. Line data may be followed by whitespace.
\end{funcdesc}
\begin{funcdesc}
{
b2a
_
uu
}{
data
}
Convert binary data to a line of
ascii characters, the return value is
the converted line, including a newline char. The length of
\var
{
data
}
should be at most 45.
Convert binary data to a line of
\ASCII
{}
characters, the return value
is the converted line, including a newline char. The length of
\var
{
data
}
should be at most 45.
\end{funcdesc}
\begin{funcdesc}
{
a2b
_
base64
}{
string
}
...
...
@@ -30,15 +30,15 @@ binary data. More than one line may be passed at a time.
\end{funcdesc}
\begin{funcdesc}
{
b2a
_
base64
}{
data
}
Convert binary data to a line of
ascii
characters in base64 coding.
Convert binary data to a line of
\ASCII
{}
characters in base64 coding.
The return value is the converted line, including a newline char.
The length of
\var
{
data
}
should be at most 57 to adhere to the base64
standard.
\end{funcdesc}
\begin{funcdesc}
{
a2b
_
hqx
}{
string
}
Convert binhex4 formatted
ascii
data to binary, without doing
rle
-decompression. The string should contain a complete number of
Convert binhex4 formatted
\ASCII
{}
data to binary, without doing
RLE
-decompression. The string should contain a complete number of
binary bytes, or (in case of the last portion of the binhex4 data)
have the remaining bits zero.
\end{funcdesc}
...
...
@@ -49,7 +49,7 @@ standard. The algorithm uses \code{0x90} after a byte as a repeat
indicator, followed by a count. A count of
\code
{
0
}
specifies a byte
value of
\code
{
0x90
}
. The routine returns the decompressed data,
unless data input data ends in an orphaned repeat indicator, in which
case the
\
var
{
Incomplete
}
exception is raised.
case the
\
exception
{
Incomplete
}
exception is raised.
\end{funcdesc}
\begin{funcdesc}
{
rlecode
_
hqx
}{
data
}
...
...
@@ -58,9 +58,9 @@ result.
\end{funcdesc}
\begin{funcdesc}
{
b2a
_
hqx
}{
data
}
Perform hexbin4 binary-to-
ascii translation and return the resulting
string. The argument should already be rle-coded, and have a length
divisible by 3 (except possibly the last fragment).
Perform hexbin4 binary-to-
\ASCII
{}
translation and return the
resulting string. The argument should already be RLE-coded, and have a
length
divisible by 3 (except possibly the last fragment).
\end{funcdesc}
\begin{funcdesc}
{
crc
_
hqx
}{
data, crc
}
...
...
@@ -74,5 +74,6 @@ Exception raised on errors. These are usually programming errors.
\begin{excdesc}
{
Incomplete
}
Exception raised on incomplete data. These are usually not programming
errors, but handled by reading a little more data and trying again.
errors, but may be handled by reading a little more data and trying
again.
\end{excdesc}
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