first commit

.gitignore

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+__pycache__
+.cache
+.mypy_cache/

README.md

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+<p align="center">
+  <img src="screenshots/icon.png" alt="Icon" />
+</p>
+
+<h1 align="center">Color Converter</h1>
+
+----------
+
+This is an extension for [ULauncher](https://ulauncher.io/), it helps you to convert RGB <> HEX color codes
+
+| ![alt](screenshots/tohex.png) | ![alt](screenshots/torgb.png) |
+|-------------------------------|-------------------------------|
+
+----------
+
+## Options
+
+* tohex > Convert to Hex
+* torgb > Convert to RGB
+
+You can get the code to your clipboard, just select pressing enter!
+
+> **IMPORTANT!** Please, don't change the default keywords.
+>
+> **For the moment** the code has them hardcoded, so the extension cant work if you change it.

main.py

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+
+import logging
+from ulauncher.api.client.Extension import Extension
+from ulauncher.api.client.EventListener import EventListener
+from ulauncher.api.shared.event import KeywordQueryEvent
+from ulauncher.api.shared.item.ExtensionResultItem import ExtensionResultItem
+from ulauncher.api.shared.action.RenderResultListAction import RenderResultListAction
+from ulauncher.api.shared.action.CopyToClipboardAction import CopyToClipboardAction
+
+logger = logging.getLogger(__name__)
+
+
+class HexCodeExtension(Extension):
+
+    def __init__(self):
+        super(HexCodeExtension, self).__init__()
+        self.subscribe(KeywordQueryEvent, KeywordQueryEventListener())
+
+    def toRGB(self, text):
+        hex = text.replace("#","")
+        rgb = tuple(int(hex[i:i+2], 16) for i in (0, 2, 4)).__str__()
+
+        return [
+                    ExtensionResultItem(
+                        icon='images/icon.png',
+                        name="#" + hex.upper(),
+                        description='HEX FORMAT',
+                        on_enter=CopyToClipboardAction("#" + hex.upper())
+                    ),
+                    ExtensionResultItem(
+                        icon='images/icon.png',
+                        name=rgb,
+                        description='RGB FORMAT',
+                        on_enter=CopyToClipboardAction(rgb)
+                    )
+                ]
+
+    def toHex(self, text):
+        rgb = text.replace("(","")
+        rgb = rgb.replace(")","")
+        rgb = rgb.replace(" ", "")
+
+        rgbtuple = tuple(map(int, rgb.split(',')))
+
+        hex = '%02x%02x%02x' % rgbtuple
+
+        return [
+                    ExtensionResultItem(
+                        icon='images/icon.png',
+                        name="#" + hex.upper(),
+                        description='HEX FORMAT',
+                        on_enter=CopyToClipboardAction("#" + hex.upper())
+                    ),
+                    ExtensionResultItem(
+                        icon='images/icon.png',
+                        name=rgb,
+                        description='RGB FORMAT',
+                        on_enter=CopyToClipboardAction(rgb)
+                    )
+                ]
+
+
+class KeywordQueryEventListener(EventListener):
+
+    def on_event(self, event, extension):
+        items = []
+
+        text = event.get_argument() or ""
+        if event.get_keyword() == "tohex":
+            return RenderResultListAction(extension.toHex(text))
+
+        if event.get_keyword() == "torgb":
+            return RenderResultListAction(extension.toRGB(text))
+
+        return RenderResultListAction(items)
+
+if __name__ == '__main__':
+    HexCodeExtension().run()
+

manifest.json

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+{
+    "required_api_version": "^2.0.0",
+    "name": "Color converter",
+    "description": "Convert RGB <> Hex codes",
+    "developer_name": "Sergio Fernández Celorio",
+    "icon": "images/icon.png",
+    "options": {
+        "query_debounce": 0.05
+    },
+    "preferences": [{
+            "id": "color_converter_hex",
+            "type": "keyword",
+            "name": "toHex",
+            "default_value": "tohex"
+        },
+        {
+            "id": "color_converter_rgb",
+            "type": "keyword",
+            "name": "toRGB",
+            "default_value": "torgb"
+        }
+    ]
+}

versions.json

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+[
+  { "required_api_version": "^1.0.0", "commit": "python2" },
+  { "required_api_version": "^2.0.0", "commit": "master" }
+]