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    "info": {
        "author": "Jonathan Sacramento",
        "author_email": "jmsmistral@gmail.com",
        "bugtrack_url": null,
        "classifiers": [
            "Development Status :: 3 - Alpha",
            "Intended Audience :: Developers",
            "License :: OSI Approved :: GNU General Public License v3 or later (GPLv3+)",
            "Programming Language :: Python :: 3.6"
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        "description": "# sassy\n\n[![Build Status](https://travis-ci.org/jmsmistral/sassy.svg?branch=master)](https://travis-ci.org/jmsmistral/sassy)\n\nA simple but powerful templating language for text interpolation inspired by sas macros.\n\n## How it works\n\n**Sassy** is a command-line program that **interpolates text** by interpreting a set of pre-defined **tags** that control text replacement, and loops, amongst other things.\n- A tag starts with a `%` and ends with a `;`.\n- Everything that is not a tag, or within open/close tags is interpreted as plaintext and is left untouched.\n\nBelow is a description of each tag, with examples.\n\n### Macros\n- Macros are named blocks of text enclosed within `%macro` and `%mend` tags, that are interpolated when executed. A macro can be executed at any point after it is defined\n\n- A macro looks a lot like a function, and must be given a name and a list of parameters within parentheses (empty for no parameters): `%macro <name>(<param>, ...);`\n\n- Macros are executed with the `%exec` tag, referencing the macro name, and passing the required parameters (if any)\n\n- When run, macros will interpolate parameters and tags within it's body, and output the resulting string\n\n- Macros currently accept a maximum number of 25 parameters\n\n***test.txt***\n```    \n%macro testMacro(param1);\n    This text will show whenever the macro is called.\n    We can reference macro parameters like this: &param1.\n%mend;\n\nHere's how you call a macro:\n%exec testMacro(1);\n\nHere's a call to the same macro with a different parameter:\n%exec testMacro(a parameter can contain spaces);\n```\n\nRunning `sassy test.txt` will generate the following... \n\n```\nHere's how you execute a macro:\n    This text will be interpolated whenever the macro is executed.\n    We can reference macro parameters like this: 1\n\nHere's a call to the same macro with a different parameter:\n    This text will be interpolated whenever the macro is executed.\n    We can reference macro parameters like this: a parameter can contain spaces\n```\n\n\n### Variables\n- Variables are named references to strings, which can be used within macros, and loop blocks\n\n- Variables are declared using the `%let` tag, as follows: `%let <name> = <value>;`\n\n- The value is includes everything after the equal symbol `=`\n\n- Variables can be referenced by wrapping the variable name within `&` and `.`, e.g. `&<name>.`\n\n- Macro parameters are referenced in the same way as variables, `&<param>.`\n\n- Variables references can be nested (see example below)\n\n***test.txt***\n```\n%let var1 = some value;\n%let var2 = some other value;\n%let varNum =2;\n\n%macro testMacro(param1);\n    Here's how you reference variables: &var1.\n    Macro parameters are referenced in the same way as variables: &param1.\n    Variables and parameters can be nested to dynamically compose references to other variables: &var&varNum..\n%mend;\n\nHere's what that looks like:\n%exec testMacro(1);\n\n%exec testMacro(2);\n```\n\nRunning `sassy test.txt` will generate the following... \n``` \nHere's what that looks like:\n    Here's how you reference variables:  some value\n    Macro parameters are referenced in the same way as variables: 1\n    Variables and parameters can be nested to dynamically compose references to other variables:  some other value\n\n    Here's how you reference variables:  some value\n    Macro parameters are referenced in the same way as variables: 2\n    Variables and parameters can be nested to dynamically compose references to other variables:  some other value\n```\n\n\n### Loops\n- Loops are blocks of text enclosed within `%procloop` and `%pend` tags, that are interpolated multiple times in succession\n\n- Unlike macros, loops do not have names and are interpolated in-place\n\n- A loop is declared as follows: `%procloop (<integer>) <counter_name>;`\n    - `<integer>` - Defines the number of times the loop will execute. This can also be a reference to a variable\n    - `<counter_name>` - Is a name given to the loop counter, that can be referenced within the loop body as a variable\n\n- The loop counter is zero-based\n\n\n***test.txt***\n```\nThis is how you execute a loop:\n%procloop (3) loopCounter;\n    This loop will execute &loopCounter. times.\n%pend;\n\nYou can also use a variable to set the number of iterations:\n%let loopVar0 = first loop;\n%let loopVar1 = second loop;\n%let loopVar2 = third loop;\n%let loopVar3 = fourth loop;\n%let numLoops = 4;\n%procloop (&numLoops.) counterVar;\n    This other loop will execute &counterVar. times, and references a different variable each time: &loopVar&counterVar..\n%pend;\n```\n\nRunning `sassy test.txt` will generate the following... \n```\nThis is how you execute a loop:\n    This loop will execute 0 times.\n    This loop will execute 1 times.\n    This loop will execute 2 times.\n\nYou can also use a variable to set the number of iterations:\n    This other loop will execute 0 times, and references a different variable each time:  first loop\n    This other loop will execute 1 times, and references a different variable each time:  second loop\n    This other loop will execute 2 times, and references a different variable each time:  third loop\n    This other loop will execute 3 times, and references a different variable each time:  fourth loop\n```\n\n---\n\n## Installation\n\nHere's what you need to do to install sassy:\n\n### Python 3.6+\n\nSassy is compatible with **Python 3.6 and later**.\n\nOn Unix systems, install Python 3.6 (or later) via your package manager (apt, rpm, yum, brew).\nAlternatively, you can download an installation package from the [official Python downloads page](https://www.python.org/downloads/)\n\n### Virtual Environment\n\nIt is recommended to put all project dependencies into its own virtual\nenvironment - this way we don't pollute the global Python installation.\nFor this we recommend you use **virtualenvwrapper**. Follow the instructions\n[here](http://virtualenvwrapper.readthedocs.io/en/latest/install.html)\nto get this installed. Once you have virtualenvwrapper install, create\na new virtual environment with:\n\n```bash\nmkvirtualenv sassy\nworkon sassy\n```\n\nNow let's install sassy:\n\n```bash\npip install sassylang\n```\n\n### Get help or give help\n\n-  Open a new [issue](https://github.com/jmsmistral/sassy/issues/new) you encounter a problem.\n-  Pull requests welcome. You can help with language features!\n\n---\n\n## License\n\n-  sassy is Free Software and licensed under the [GPLv3](https://github.com/jmsmistral/macrosql/blob/master/LICENSE.txt)\n-  Main author is [@jmsmistral](https://github.com/jmsmistral)\n\n\n\n",
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