4 convert binary to string python 3
This section explains how strings are represented in Python 2. Characters are abstract representations and their meaning depends on the language and context they are used in. The Unicode standard describes how characters are represented by code points. Basically, code points are numbers in the range from 0 to 0x10FFFF. As mentioned earlier, the representation of a string as a list of code points is abstract.
In order to convert this abstract representation into a sequence of bytes the Unicode string must be encoded. Although ASCII encoding is simple to apply it can only encode for different characters which is hardly enough. One of the most commonly used encodings that addresses this problem is UTF-8 it 4 convert binary to string python 3 handle any Unicode code point. Python 2 comes with two different kinds of objects that can be used to represent strings, str and unicode.
Instances of the latter are used to express Unicode strings, whereas instances of the str type are byte representations the encoded string. Under the hood, Python represents Unicode strings as either or bit integers, depending on how the Python interpreter was compiled.
Unicode strings can be converted to 8-bit strings with unicode. This means that if you call a method that returns a string you will always obtain an instance of the str type. The same applies to methods that expect one or more strings as parameter, they must be UTF-8 encoded. However, for convenience PyGObject will automatically convert any unicode instance to str if supplied as argument:. Note the warning at the end. Although we called Gtk. This is especially important if you want to internationalize your program using gettext.
You have to make sure that gettext will return UTF-8 encoded 8-bit strings for all languages. Encoded strings on the other hand are represented 4 convert binary to string python 3 binary data in the form of instances of the bytes type. Conceptional, str refers to textwhereas bytes refers to data. In addition, it is no longer possible to mix Unicode strings with encoded strings, because it will result in a TypeError:. As a consequence, things are much cleaner and consistent with Python 3.
Strings, or textwill always be represented as instances of str only:. How to Deal With Strings 4. Tree and List Widgets Multiline Text Editor Drag and Drop Application Deprecated Menus Table. Python raises a UnicodeEncodeError exception 4 convert binary to string python 3 this case. However, for convenience PyGObject will automatically convert any unicode instance to str if supplied as argument: Unicode equal comparison failed to convert both arguments to Unicode - interpreting them as being unequal False.
In addition, it is no longer possible to mix Unicode strings with encoded strings, because it will result in a TypeError: Strings, or textwill always be represented as instances of str only: Read the Docs v: