Markup Preprocessor for Python
Project description
Description
Muppy means MarkUp Preprocessor for Python. If you want some Python in markup, not some markup in Python—Muppy is probably the thing you need.
WARNING: This script is using exec(). Be careful when you execute Muppy with a file you get from strangers, and keep in mind that it can be harmful as any other Python script.
Use Muppy script standalone from the git repo if you have reasons not to trust the wheel.
Installation
The script is pure Python and a part of PyPI, so can be installed via pip:
python3 -m pip install muppy
So, what does it do, exactly?
Technically, Muppy gets comments in various formats and executes them as Python code. Any text between comment blocks is treated as string literals.
Basic HTML example
Contents of test.html. Mind Python indentation after <!-- (py):, placeholders ?????, and empty lines <!-- (py):-->:
<!-- (py):
result = ?????-->
<html>
<head>
<title>
<!-- (py):if lang == 'en':--><!-- (py): result += ?????-->Hello world!<!-- (py):-->
<!-- (py):if lang == 'ru':--><!-- (py): result += ?????-->Привет, мир!<!-- (py):-->
<!-- (py):result += ?????-->
</title>
</head>
<body>
</body>
</html>
<!-- (py):print(result)-->
Shell command:
muppy compile -s xml -i test.html -d "lang = 'en'"
The preprocessor code to be executed:
# string literals
__muppy0 = ''
__muppy1 = '\n<html>\n <head>\n <title>\n '
__muppy2 = ''
__muppy3 = 'Hello world!'
__muppy4 = '\n '
__muppy5 = ''
__muppy6 = 'Привет, мир!'
__muppy7 = '\n'
__muppy8 = '\n </title>\n </head>\n <body>\n </body>\n</html>\n'
__muppy9 = '\n'
# definitions
lang = 'en'
# code
result = __muppy1
if lang == 'en':
result += __muppy3
if lang == 'ru':
result += __muppy6
result += __muppy8
print(result)
Result:
<html>
<head>
<title>
Hello world!
</title>
</head>
<body>
</body>
</html>
Comment styles
For now, Muppy supports the following comment styles (-s):
| Style | Start tag | End tag | Description |
|---|---|---|---|
xml |
<!-- (py): |
--> |
Any XML format: HTML, SVG, FB2, etc. |
c |
/* (py): |
*/ |
C, C++, CSS, PHP, etc. |
tex |
% (py): |
Newline | TeX-compatible markup |
shell |
# (py): |
Newline | Bash, Python, etc. |
Definitions
You can define (-d) any variables as you do in common Python code:
muppy compile -s tex -i test.html -d 'var1 = 10' 'some_list = ["a", "b", "c"]'
Bugs
Feel free to report bugs and request features here.
Release history Release notifications | RSS feed
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