From 9ee687a6d123c294a3978d4d0b32c78062a44fce Mon Sep 17 00:00:00 2001
From: Dan Kobina <danielkobina@gmail.com>
Date: Thu, 28 Feb 2019 23:30:02 -0500
Subject: [PATCH] basic attrs wrapper for nested parsing

---
 .gitignore          |  1 +
 README.md           |  7 +++++
 jstruct/__init__.py |  6 +++++
 jstruct/types.py    | 62 +++++++++++++++++++++++++++++++++++++++++++++
 setup.py            | 14 ++++++++++
 5 files changed, 90 insertions(+)
 create mode 100644 jstruct/__init__.py
 create mode 100644 jstruct/types.py
 create mode 100644 setup.py

diff --git a/.gitignore b/.gitignore
index 894a44c..1761287 100644
--- a/.gitignore
+++ b/.gitignore
@@ -102,3 +102,4 @@ venv.bak/
 
 # mypy
 .mypy_cache/
+.vscode/
\ No newline at end of file
diff --git a/README.md b/README.md
index 542a6e0..86780df 100644
--- a/README.md
+++ b/README.md
@@ -1,2 +1,9 @@
 # jstruct
+
 JSON to struct to JSON
+
+## Installation
+
+```bash
+pip install -f https://git.io/purplship jstruct
+```
diff --git a/jstruct/__init__.py b/jstruct/__init__.py
new file mode 100644
index 0000000..7681455
--- /dev/null
+++ b/jstruct/__init__.py
@@ -0,0 +1,6 @@
+from jstruct.types import (
+    JStruct,
+    JList,
+    JDict,
+    REQUIRED
+)
diff --git a/jstruct/types.py b/jstruct/types.py
new file mode 100644
index 0000000..49d03fc
--- /dev/null
+++ b/jstruct/types.py
@@ -0,0 +1,62 @@
+import attr
+from functools import reduce
+from typing import List, Dict
+
+
+REQUIRED = True
+
+
+@attr.s(auto_attribs=True)
+class _JStruct:
+    def __getitem__(self, arguments):
+        class_, required_, *kwargs = arguments if isinstance(arguments, tuple) else (arguments, False)
+
+        def build(args) -> class_:
+            return class_(**args) if isinstance(args, dict) else args
+        default_ = dict(default=attr.NOTHING if required_ else None)
+        return attr.ib(
+            **default_,
+            converter=build,
+            **dict(reduce(lambda r, d: r + list(d.items()), kwargs, []))
+        )
+
+
+@attr.s(auto_attribs=True)
+class _JList:
+    def __getitem__(self, arguments):
+        class_, required_, *kwargs = arguments if isinstance(arguments, tuple) else (arguments, False)
+
+        def build(args) -> List[class_]:
+            if isinstance(args, list):
+                items = args
+            else:
+                items = [args]
+            return [
+                (class_(**item) if isinstance(item, dict) else item)
+                for item in items
+            ]
+        default_ = dict(default=attr.NOTHING if required_ else [])
+        return attr.ib(
+            **default_,
+            converter=build,
+            **dict(reduce(lambda r, d: r + list(d.items()), kwargs, []))
+        )
+
+
+@attr.s(auto_attribs=True)
+class _JDict:
+    def __getitem__(self, arguments):
+        key_type, value_type, required_, *kwargs = arguments if isinstance(arguments, tuple) else (arguments, False)
+
+        def build(args) -> Dict[key_type, value_type]:
+            return {
+                key_type(key): (value_type(**value) if isinstance(value, dict) else value)
+                for (key, value) in args.items()
+            }
+        default_ = dict(default=attr.NOTHING if required_ else {})
+        return attr.ib(**default_, converter=build, **kwargs)
+
+
+JStruct = _JStruct()
+JList = _JList()
+JDict = _JDict()
diff --git a/setup.py b/setup.py
new file mode 100644
index 0000000..bca7c77
--- /dev/null
+++ b/setup.py
@@ -0,0 +1,14 @@
+from setuptools import setup
+
+setup(name='jstruct',
+      version='1.0.0',
+      description='Elegant JSON to python Data class',
+      url='https://github.com/DanH91/jstruct',
+      author='DanH91',
+      author_email='danielk.developer@gmail.com',
+      license='MIT',
+      packages=['jstruct'],
+      install_requires=[
+            'attrs==18.2.0'
+      ],
+      zip_safe=False)
\ No newline at end of file