More work on templates and calculator.

.gitignore

@@ -0,0 +1,11 @@
+*.pyc
+*.egg
+*.egg-info
+.DS_Store
+__pycache__
+
+.earwigbot
+*.min.js
+*.min.css
+logs/*
+!logs/.gitinclude

app.py

@@ -1,28 +1,22 @@
 #! /usr/bin/env python
 # -*- coding: utf-8  -*-
 
-from flask import Flask, g
+from flask import Flask
 from flask.ext.mako import MakoTemplates, render_template
 
+from tif.calc import calculate_tif
 from tif.util import catch_errors, set_up_hash_caching
 
 app = Flask(__name__)
 MakoTemplates(app)
 set_up_hash_caching(app)
 
-@app.before_request
-def prepare_request():
-    g._db = None
-
-@app.teardown_appcontext
-def close_databases(error):
-    if g._db:
-        g._db.close()
-
 @app.route("/")
 @catch_errors(app)
 def index():
-    return render_template("index.mako")
+    title = request.args.get("title")
+    result = calculate_tif(title) if title else None
+    return render_template("index.mako", result=result)
 
 if __name__ == '__main__':
     app.run()

static/style.css

@@ -0,0 +1,13 @@
+header {}
+
+footer {}
+
+#container {}
+
+#error {}
+
+#result {}
+
+#result-page {}
+
+#result-cache {}

templates/error.mako

@@ -0,0 +1,7 @@
+<%include file="/support/header.mako" args="title='Error - TIF Calculator'"/>
+<h2>Error!</h2>
+<p>An error occurred. If it hasn't been reported (<a href="https://github.com/earwig/template-influence-factor/issues">try to check</a>), please <a href="https://github.com/earwig/template-influence-factor/issues/new">file an issue</a> or <a href="mailto:wikipedia.earwig@gmail.com">email me</a>. Include the following information:</p>
+<div id="error">
+    <pre>${traceback | trim,h}</pre>
+</div>
+<%include file="/support/footer.mako"/>

templates/index.mako

@@ -0,0 +1,43 @@
+<%include file="/support/header.mako" args="title='TIF Calculator'"/>
+<form action="${request.script_root}" method="get">
+    % if result["title"]:
+        <input type="text" name="title" value="${query['page'].title if 'page' in query else query['title'] | h}" />
+    % else:
+        <input type="text" name="title" />
+    % endif
+    <button type="submit">Submit</button>
+</form>
+
+% if "error" in result:
+    <div id="error">
+        % if result["error"] == "no page":
+            <p>Can't find the given page: <a href="${result['page'].url}">${result["page"].title | h}</a>.</p>
+        % else
+            An unknown error occurred.
+        % endif
+    </div>
+% endif
+
+% if "tif" in result:
+    <div id="result">
+        <div id="result-page"><a href="${result['page'].url}">${result["page"].title | h}</a></div>
+        <table>
+            <tr>
+                <td>TIF</td>
+                <td>${result["tif"]}</td>
+            </tr>
+            <tr>
+                <td>Transclusions</td>
+                <td>${result["transclusions"]}</td>
+            </tr>
+            <tr>
+                <td>Protection</td>
+                <td>${result["protection"]}</td>
+            </tr>
+        </table>
+        % if "cache" in result and result["cache"]:
+            <div id="result-cache">Pageview data is cached from up to <abbr title="${result['cache_time']}">${result["cache_age"]} ago</abbr>.</div>
+        % endif
+    </div>
+% endif
+<%include file="/support/footer.mako"/>

templates/support/footer.mako

@@ -0,0 +1,10 @@
+<%! from datetime import datetime %>\
+<% this_year = datetime.now().year %>\
+        </div>
+        <footer>
+            Copyright &copy; 2016${"&ndash;" + str(this_year) if this_year > 2016 else ""} <a href="//en.wikipedia.org/wiki/User:The_Earwig">Ben Kurtovic</a> &bull; \
+            <a href="https://github.com/earwig/template-influence-factor">Source Code</a> &bull; \
+            <a href="http://validator.w3.org/check?uri=referer">Valid HTML5</a>
+        </footer>
+    </body>
+</html>

templates/support/header.mako

@@ -0,0 +1,15 @@
+<%page args="title"/>\
+<%! from flask import request, url_for %>\
+<!DOCTYPE html>
+<html lang="en">
+    <head>
+        <meta charset="utf-8">
+        <title>${title}</title>
+        <link rel="stylesheet" href="${request.script_root}${url_for('static', file='style.css')}" type="text/css" />
+    </head>
+    <body>
+        <header>
+            <h1><a href="${request.script_root}">TIF Calculator</a></h1>
+            <p>Calculate the <a href="https://en.wikipedia.org/wiki/User:The_Earwig/Sandbox/TIF">template influence factor</a> of any page on the English Wikipedia</p>
+        </header>
+        <div id="container">

tif/calc.py

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+# -*- coding: utf-8  -*-
+
+from datetime import datetime
+from os.path import expanduser
+
+from earwigbot.bot import Bot
+from oursql import connect
+
+__all__ = ["calculate_tif"]
+
+def _get_db(bot):
+    args = bot.config.wiki["_tifSQL"]
+    args["read_default_file"] = expanduser("~/.my.cnf")
+    args["autoping"] = True
+    args["autoreconnect"] = True
+    return connect(**args)
+
+def _get_transclusions(page):
+    # TODO
+    yield page
+
+def _get_view_average(page, db, cache_info):
+    # TODO
+    return 0.0
+
+def _format_time(cache_time):
+    formatter = lambda n, w: "{0} {1}{2}".format(n, w, "" if n == 1 else "s")
+    diff = datetime.utcnow() - cache_time
+    if diff.seconds > 3600:
+        return formatter(diff.seconds / 3600, "hour")
+    if diff.seconds > 60:
+        return formatter(diff.seconds / 60, "minute")
+    return formatter(diff.seconds, "second")
+
+def calculate_tif(title):
+    bot = Bot(".earwigbot")
+    db = _get_db(bot)
+    site = bot.wiki.get_site()
+    template = site.get_page(title)
+    result = {"title": title, "page": template}
+
+    if template.exists != template.PAGE_EXISTS:
+        result["error"] = "no page"
+        return result
+
+    tif = 0.0
+    transclusions = 0
+    cache_info = {"cache": False, "cache_time_raw": None}
+    for page in _get_transclusions(template):
+        tif += _get_view_average(page, db, cache_info)
+        transclusions += 1
+
+    if cache_info["cache"]:
+        ctime = cache_info["cache_time"]
+        cache_info["cache_time"] = ctime.strftime("%b %d, %Y %H:%M:%S UTC")
+        cache_info["cache_ago"] = _format_time(ctime)
+
+    result["tif"] = tif
+    result["transclusions"] = transclusions
+    result["protection"] = template.protection
+    result.update(cache_info)
+    return result