v2: added blessed node.js ddg search app

.gitignore

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+node_modules
+.py[co]

ddg.py

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+"""
+Taken and modified from https://github.com/thibauts/duckduckgo
+"""
+import requests
+from lxml import html
+import time
+
+def search(keywords, max_results=None):
+    url = 'https://duckduckgo.com/html/'
+    params = {
+        'q': keywords,
+        's': '0',
+    }
+    results = []
+
+    yielded = 0
+    while True:
+        res = requests.post(url, data=params)
+        doc = html.fromstring(res.text)
+
+        for link in doc.cssselect('#links .links_main'):
+            result = {}
+            a_elem = link.cssselect('a')[0]
+            desc = link.cssselect('.result__snippet')[0]
+            result['link'] = a_elem.get('href')
+            result['title'] = a_elem.text_content()
+            result['desc'] = desc.text_content()
+            results.append(result)
+
+        for result in results:
+            yield result
+            time.sleep(0.1)
+            yielded += 1
+            if max_results and yielded >= max_results:
+                return
+
+        try:
+            form = doc.cssselect('.results_links_more form')[-1]
+        except IndexError:
+            return
+        params = dict(form.fields)

package.json

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+{
+  "name": "search-pane",
+  "version": "1.0.0",
+  "description": "Search duckduckgo from the terminal",
+  "main": "seach-pane2",
+  "dependencies": {
+    "blessed": "^0.1.81",
+    "python-shell": "^0.4.0"
+  },
+  "devDependencies": {},
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "repository": {
+    "type": "git",
+    "url": "git@mule.hallada.net:search-pane.git"
+  },
+  "keywords": [
+    "blessed",
+    "ncurses",
+    "duckduckgo",
+    "ddg",
+    "search",
+    "terminal",
+    "console"
+  ],
+  "author": "Tyler Hallada",
+  "license": "MIT"
+}

results.py

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+import argparse
+import json
+
+from ddg import search
+
+parser = argparse.ArgumentParser(description='Search duckduckgo and return JSON results')
+parser.add_argument('query', metavar='Q', type=str,
+                   help='The query to search on duckduckgo')
+args = parser.parse_args()
+print(json.dumps(list(search(args.query, max_results=10))))

search-pane2

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+#!/usr/bin/env node
+var blessed = require('blessed'),
+    PythonShell = require('python-shell'),
+	screen = blessed.screen({
+        smartCSR: true,
+    }),
+    searchResults;
+
+screen._listenedMouse = true; // HACK HACK HACK
+
+var cleanExit = function () {
+    // program.clear();
+    // program.disableMouse();
+    // program.showCursor();
+    // program.normalBuffer();
+    process.exit(0);
+};
+
+var form = blessed.form({
+	parent: screen,
+	keys: true,
+	top: 'center',
+	left: 'center',
+    padding: {
+        left: 1,
+        right: 1,
+        top: 1,
+        bottom: 1
+    },
+    border: {
+        type: 'line',
+        fg: 'white',
+        bg: 'grey'
+    },
+	width: 'shrink',
+	height: 5,
+	bg: 'grey',
+	content: 'Search: '
+});
+
+var input = blessed.textbox({
+    parent: form,
+    name: 'input',
+    keys: true,
+    inputOnFocus: true,
+    height: 1,
+    padding: {
+        left: 1,
+        right: 1
+    },
+    top: 0,
+    left: 10,
+	style: {
+		bg: 'darkblue',
+		focus: {
+			bg: 'darkblue'
+		},
+		hover: {
+			bg: 'darkblue'
+		}
+	}
+});
+
+var submit = blessed.button({
+	parent: form,
+	keys: true,
+	shrink: true,
+	padding: {
+		left: 1,
+		right: 1
+	},
+	left: 10,
+	top: 2,
+	name: 'submit',
+	content: 'submit',
+	style: {
+		bg: 'blue',
+		focus: {
+			bg: 'white',
+            fg: 'blue'
+		},
+		hover: {
+			bg: 'white',
+            fg: 'blue'
+		}
+	}
+});
+
+var cancel = blessed.button({
+	parent: form,
+	keys: true,
+	shrink: true,
+	padding: {
+		left: 1,
+		right: 1
+	},
+	left: 20,
+	top: 2,
+	name: 'cancel',
+	content: 'cancel',
+	style: {
+		bg: 'red',
+		focus: {
+			bg: 'white',
+            fg: 'red'
+		},
+		hover: {
+			bg: 'white',
+            fg: 'red'
+		}
+	}
+});
+
+var loading = blessed.loading({
+    parent: screen,
+    visible: false,
+    hidden: true,
+    top: 'center',
+    left: 'center',
+    padding: {
+        left: 1,
+        right: 1,
+        top: 1,
+        bottom: 1
+    },
+    border: {
+        type: 'line',
+        fg: 'white',
+        bg: 'grey'
+    },
+    width: 32,
+    height: 7,
+    bg: 'grey',
+});
+
+var results = blessed.listtable({
+    parent: screen,
+    hidden: true,
+    top: 'center',
+    left: 'center',
+    padding: {
+        left: 1,
+        right: 1,
+        top: 1,
+        bottom: 1
+    },
+    border: {
+        type: 'line',
+        fg: 'white',
+        bg: 'grey'
+    },
+    bg: 'grey',
+    height: 'shrink'
+});
+
+var resultsList = blessed.list({
+    parent: screen,
+    hidden: true,
+    keys: true,
+    top: 'center',
+    left: 'center',
+    padding: {
+        left: 1,
+        right: 1,
+        top: 1,
+        bottom: 1
+    },
+    border: {
+        type: 'line',
+        fg: 'white',
+        bg: 'grey'
+    },
+    selectedBg: 'darkred',
+    selectedFg: 'yellow',
+    bg: 'grey',
+    scollbar: true
+});
+
+submit.on('press', function() {
+	form.submit();
+});
+
+cancel.on('press', function() {
+	form.reset();
+});
+
+input.on('submit', function(data) {
+    form.submit();
+});
+
+form.on('submit', function(data) {
+    form.hide();
+    PythonShell.run('results.py', {args: [data.input], mode: 'json'},
+                    function (err, results) {
+        loading.stop();
+        if (err) throw err;
+        searchResults = results[0];
+        var list = results[0].map(function(r) {
+            return r.title;
+        });
+        resultsList.setItems(list);
+        resultsList.show();
+        resultsList.focus();
+        screen.render();
+    });
+    loading.load('Searching...');
+    loading._.icon.style = {bg: 'grey'}; // Hacky, loading icon doesn't support styling via options
+});
+
+form.on('reset', function(data) {
+	form.setContent('Canceled.');
+    cleanExit();
+});
+
+resultsList.on('select', function(data) {
+    var i = resultsList.getItemIndex(data);
+    resultsList.hide();
+    var browser = screen.spawn('w3m', [searchResults[i].link], {stdio: 'inherit'});
+    browser.on('exit', function() {
+        resultsList.show();
+        resultsList.focus();
+        screen.render();
+    });
+});
+
+screen.key('q', function() {
+    cleanExit();
+});
+
+screen.render();
+input.focus();