Possible Duplicate:
How can I print a literal “{}” characters in python string and also use .format on it?
Basically, I want to use .format(), like this:
my_string = '{{0}:{1}}'.format('hello', 'bonjour')
And have it match:
my_string = '{hello:bonjour}' #this is a string with literal curly brackets
However, the first piece of code gives me an error.
The curly brackets are important, because I'm using Python to communicate with a piece of software via text-based commands. I have no control over what kind of formatting the fosoftware expects, so it's crucial that I sort out all the formatting on my end. It uses curly brackets around strings to ensure that spaces in the strings are interpreted as single strings, rather than multiple arguments — much like you normally do with quotation marks in file paths, for example.
I'm currently using the older method:
my_string = '{%s:%s}' % ('hello', 'bonjour')
Which certainly works, but .format() seems easier to read, and when I'm sending commands with five or more variables all in one string, then readability becomes a significant issue.
Thanks!
Here is the new style:
>>> '{{{0}:{1}}}'.format('hello', 'bonjour')
'{hello:bonjour}'
But I thinking escaping is somewhat hard to read, so I prefer to switch back to the older style to avoid escaping:
>>> '{%s:%s}' % ('hello', 'bonjour')
'{hello:bonjour}'
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