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Markus Zapke-Gründemann  committed b57185a

Added README and HTML version.

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 syntax: glob
 
-*.html
+Vorstellung des API Leipzig Python Clients Dedun.
+
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+  font-size: 100% }
+
+ul.auto-toc {
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+</style>
+</head>
+<body>
+<div class="document" id="dedun-vortrag">
+<h1 class="title">Dedun Vortrag</h1>
+
+<p><strong>Leipzig Python User Group - 13.12.2011</strong></p>
+<div class="section" id="ubersicht">
+<h1>Übersicht</h1>
+<ul>
+<li><p class="first">Was ist die API Leipzig?</p>
+</li>
+<li><p class="first">Warum ein Python Client?</p>
+</li>
+<li><p class="first">Releases</p>
+<blockquote>
+<ul class="simple">
+<li>0.1.0</li>
+<li>0.2.4</li>
+<li>0.2.5</li>
+<li>0.3.0</li>
+<li>0.3.1</li>
+<li>0.3.2</li>
+</ul>
+</blockquote>
+</li>
+<li><p class="first">Entwicklungswerkzeuge</p>
+<blockquote>
+<ul class="simple">
+<li>virtualenv &amp; virtualenvwrapper</li>
+<li>pylint &amp; pep8</li>
+<li>versiontools</li>
+</ul>
+</blockquote>
+</li>
+<li><p class="first">Python 3</p>
+</li>
+</ul>
+</div>
+<div class="section" id="was-ist-die-api-leipzig">
+<h1>Was ist die API Leipzig?</h1>
+<ul class="simple">
+<li>RESTful API für Open Data der Stadt Leipzig</li>
+<li><a class="reference external" href="http://www.apileipzig.de/">http://www.apileipzig.de/</a></li>
+<li>Datenquellen: <a class="reference external" href="http://www.apileipzig.de/wiki/show/Ressourcen">http://www.apileipzig.de/wiki/show/Ressourcen</a></li>
+</ul>
+</div>
+<div class="section" id="warum-ein-python-client">
+<h1>Warum ein Python Client?</h1>
+<ul>
+<li><p class="first">Auf Dauer ist es umständlich, die Daten manuell abzufragen</p>
+</li>
+<li><p class="first">Man kann HTTP Requests sparen</p>
+</li>
+<li><p class="first">Ein Client kann mehr Funktionen zur Verarbeitung der Daten bieten</p>
+</li>
+<li><p class="first">Ergebis: <a class="reference external" href="http://pypi.python.org/pypi/dedun/">http://pypi.python.org/pypi/dedun/</a></p>
+</li>
+<li><p class="first">Namesherkunft</p>
+<blockquote>
+<p>Dedun war ein nubischer Gott, der im Altertum in Form eines Löwen verehrt
+wurde. Der Löwe ist auch Teil des Leipziger Wappens.</p>
+</blockquote>
+</li>
+</ul>
+</div>
+<div class="section" id="releases">
+<h1>Releases</h1>
+<div class="section" id="id1">
+<h2>0.1.0</h2>
+<table border="1" class="docutils">
+<colgroup>
+<col width="11%" />
+<col width="24%" />
+<col width="66%" />
+</colgroup>
+<thead valign="bottom">
+<tr><th class="head">SLOC</th>
+<th class="head">Directory</th>
+<th class="head">SLOC-by-Language (Sorted)</th>
+</tr>
+</thead>
+<tbody valign="top">
+<tr><td>94</td>
+<td>top_dir</td>
+<td>python=94</td>
+</tr>
+</tbody>
+</table>
+<ul>
+<li><p class="first">Ein Python Module</p>
+</li>
+<li><dl class="first docutils">
+<dt>Drei Klassen: <tt class="docutils literal">Resource</tt>, <tt class="docutils literal">Results</tt>, <tt class="docutils literal">DedunError</tt></dt>
+<dd><ul class="first last simple">
+<li><tt class="docutils literal">path</tt> muss an der <tt class="docutils literal">Resource</tt> Klasse manuell geändert werden (Methode <tt class="docutils literal">change_path</tt>)</li>
+</ul>
+</dd>
+</dl>
+</li>
+<li><p class="first">JSON wird zu Dictionaries umgewandelt</p>
+</li>
+<li><p class="first"><tt class="docutils literal">Results</tt> Klasse</p>
+<blockquote>
+<ul class="simple">
+<li>Kann einzelne Elemente oder Slices zurück geben</li>
+<li>Hat einen Iterator</li>
+</ul>
+</blockquote>
+</li>
+</ul>
+<pre class="literal-block">
+&gt;&gt;&gt; from apileipzig import key
+&gt;&gt;&gt; from dedun import Resource
+&gt;&gt;&gt; r = Resource(api_key=key, path='mediahandbook/companies')
+&gt;&gt;&gt; companies = r.all()
+&gt;&gt;&gt; companies.count()
+1042
+&gt;&gt;&gt; for c in companies[:5]:
+...     print c['name']
+...
+Leipziger Universitätsverlag GmbH und Akademische Verlagsanstalt AVA
+Sittauer Mediendesign
+Realdesign GmbH
+Frauenkultur e.V. Leipzig
+Jürgen Auge Atelier für Gebrauchs- und Werbegrafik
+&gt;&gt;&gt; r.get(id=1)
+{u'phone_primary': u'+49 341 9900440', u'people': [1, 2], u'past_customers': None, u'updated_at': u'2011-03-14T17:47:47+01:00', u'street': u'Oststra\xdfe', u'postcode': u'04317', u'id': 1, u'city': u'Leipzig', u'email_secondary': None, u'fax_secondary': None, u'mobile_secondary': None, u'housenumber_additional': None, u'housenumber': 41, u'fax_primary': None, u'resources': None, u'main_activity': None, u'old_id': 3, u'sub_branches': [23], u'sub_market_id': 3, u'mobile_primary': None, u'url_primary': u'http://www.univerlag-leipzig.de', u'url_secondary': u'http://www.univerlag-leipzig.de', u'name': u'Leipziger Universit\xe4tsverlag GmbH und Akademische Verlagsanstalt AVA', u'created_at': u'2011-02-23T03:06:15+01:00', u'phone_secondary': None, u'products': None, u'email_primary': u'info&#64;univerlag-leipzig.de', u'main_branch_id': 17}
+&gt;&gt;&gt; r.get(id=232323)
+Traceback (most recent call last):
+  File &quot;&lt;stdin&gt;&quot;, line 1, in &lt;module&gt;
+  File &quot;dedun.py&quot;, line 72, in get
+    item = self.search(**kwargs)[0]
+  File &quot;dedun.py&quot;, line 38, in __getitem__
+    raise DedunError('Item not found.')
+dedun.DedunError: Item not found.
+</pre>
+</div>
+<div class="section" id="id2">
+<h2>0.2.4</h2>
+<table border="1" class="docutils">
+<colgroup>
+<col width="11%" />
+<col width="24%" />
+<col width="66%" />
+</colgroup>
+<thead valign="bottom">
+<tr><th class="head">SLOC</th>
+<th class="head">Directory</th>
+<th class="head">SLOC-by-Language (Sorted)</th>
+</tr>
+</thead>
+<tbody valign="top">
+<tr><td>170</td>
+<td>top_dir</td>
+<td>python=170</td>
+</tr>
+</tbody>
+</table>
+<ul>
+<li><p class="first">Immer noch ein Python Module</p>
+</li>
+<li><p class="first">Einführung von Resource und Result Klassen für jede Ressource</p>
+<blockquote>
+<ul>
+<li><p class="first"><tt class="docutils literal">ResourceBase</tt> Klasse (ersetzt <tt class="docutils literal">Resource</tt>) hat ein <tt class="docutils literal">debug</tt> Argument bekommen, <tt class="docutils literal">path</tt> kann nicht mehr geändert werden</p>
+</li>
+<li><p class="first"><tt class="docutils literal">Results</tt> Klasse hat ein zweites Argument <tt class="docutils literal">resource</tt> und die Factory Methode <tt class="docutils literal">_get_result_class</tt> bekommen</p>
+</li>
+<li><p class="first"><tt class="docutils literal">ResultBase</tt> wird von der Factory zum dynamischen Erzeugen der Result Klassen genutzt</p>
+<blockquote>
+<ul class="simple">
+<li>Dadurch kann jetzt auf die Attribute eines Datensatzes über Attribute der Klasse zugegriffen werden</li>
+</ul>
+</blockquote>
+</li>
+</ul>
+</blockquote>
+</li>
+<li><p class="first">Neue Exceptions: <tt class="docutils literal">ObjectNotFound</tt>, <tt class="docutils literal">ImproperlyConfigured</tt> und <tt class="docutils literal">MultipleResults</tt></p>
+</li>
+</ul>
+<pre class="literal-block">
+&gt;&gt;&gt; from apileipzig import key
+&gt;&gt;&gt; from dedun import MediahandbookCompanies
+&gt;&gt;&gt; r = MediahandbookCompanies(api_key=key)
+&gt;&gt;&gt; companies = r.all()
+&gt;&gt;&gt; for c in companies[:5]:
+...     print c.name
+...
+Leipziger Universitätsverlag GmbH und Akademische Verlagsanstalt AVA
+Sittauer Mediendesign
+Realdesign GmbH
+Frauenkultur e.V. Leipzig
+Jürgen Auge Atelier für Gebrauchs- und Werbegrafik
+&gt;&gt;&gt; r.get(id=1)
+MediahandbookCompaniesResult: Leipziger Universitätsverlag GmbH und Akademische Verlagsanstalt AVA
+&gt;&gt;&gt; type(companies[0])
+&lt;class 'dedun.MediahandbookCompaniesResult'&gt;
+&gt;&gt;&gt; r = MediahandbookCompanies(api_key=key, path='mediahandbook/foo')
+Traceback (most recent call last):
+  File &quot;&lt;stdin&gt;&quot;, line 1, in &lt;module&gt;
+  File &quot;dedun.py&quot;, line 141, in __init__
+    self.__class__.__name__)
+dedun.ImproperlyConfigured: Don't specify a path when using MediahandbookCompanies.
+</pre>
+</div>
+<div class="section" id="id3">
+<h2>0.2.5</h2>
+<table border="1" class="docutils">
+<colgroup>
+<col width="11%" />
+<col width="24%" />
+<col width="66%" />
+</colgroup>
+<thead valign="bottom">
+<tr><th class="head">SLOC</th>
+<th class="head">Directory</th>
+<th class="head">SLOC-by-Language (Sorted)</th>
+</tr>
+</thead>
+<tbody valign="top">
+<tr><td>184</td>
+<td>top_dir</td>
+<td>python=184</td>
+</tr>
+</tbody>
+</table>
+<ul>
+<li><dl class="first docutils">
+<dt>Die Klasse <tt class="docutils literal">Results</tt> bekommt zwei neue Methoden: <tt class="docutils literal">order_by</tt> und <tt class="docutils literal">reverse</tt></dt>
+<dd><ul class="first last simple">
+<li>Leider funktionieren die Methoden nicht wie gewünscht, was vor allem an den fehlenden Tests liegt</li>
+</ul>
+</dd>
+</dl>
+</li>
+</ul>
+</div>
+<div class="section" id="id4">
+<h2>0.3.0</h2>
+<table border="1" class="docutils">
+<colgroup>
+<col width="11%" />
+<col width="24%" />
+<col width="66%" />
+</colgroup>
+<thead valign="bottom">
+<tr><th class="head">SLOC</th>
+<th class="head">Directory</th>
+<th class="head">SLOC-by-Language (Sorted)</th>
+</tr>
+</thead>
+<tbody valign="top">
+<tr><td>207</td>
+<td>tests</td>
+<td>python=207</td>
+</tr>
+<tr><td>170</td>
+<td>dedun</td>
+<td>python=170</td>
+</tr>
+<tr><td>42</td>
+<td>top_dir</td>
+<td>python=42</td>
+</tr>
+</tbody>
+</table>
+<ul class="simple">
+<li>Umwandlung vom Module in ein Package</li>
+</ul>
+<pre class="literal-block">
+.
+├── CHANGELOG.rst
+├── LICENSE
+├── MANIFEST.in
+├── README.rst
+├── dedun
+│&nbsp;&nbsp; ├── __init__.py
+│&nbsp;&nbsp; ├── exceptions.py
+│&nbsp;&nbsp; ├── resources.py
+│&nbsp;&nbsp; ├── results.py
+│&nbsp;&nbsp; └── settings.py
+├── requirements.txt
+├── runtests.py
+├── setup.cfg
+├── setup.py
+└── tests
+    ├── __init__.py
+    ├── conftest.py
+    ├── mediahandbook_companies.json
+    ├── mediahandbook_company.json
+    ├── test_resources.py
+    ├── test_results.py
+    └── utils.py
+</pre>
+<ul>
+<li><p class="first">Neue Methode <tt class="docutils literal">ResultBase.get_json</tt></p>
+</li>
+<li><p class="first">Tests mit <a class="reference external" href="http://pytest.org/">py.test</a></p>
+<blockquote>
+<ul>
+<li><p class="first">Nutzung von der py.test Plugins <a class="reference external" href="http://pypi.python.org/pypi/pytest-cov">pytest-cov</a> und <a class="reference external" href="http://pypi.python.org/pypi/pytest-localserver">pytest-localserver</a></p>
+</li>
+<li><p class="first">Dadurch war es möglich, <tt class="docutils literal">order_by</tt> und <tt class="docutils literal">reverse</tt> korrekt zu implementieren</p>
+</li>
+<li><p class="first">Vorteile von py.test</p>
+<blockquote>
+<ul>
+<li><p class="first">Sehr gute, ausführliche Dokumentation</p>
+</li>
+<li><p class="first">Test Suite muss keine besonderen Vorraussetzungen erfüllen</p>
+<blockquote>
+<ul class="simple">
+<li>In <tt class="docutils literal">setup.cfg</tt> kann man definieren, welche Verzeichnisse durchsucht werden</li>
+</ul>
+</blockquote>
+</li>
+<li><p class="first">Man kann ausschliesslich mit dem <tt class="docutils literal">assert</tt> Statement arbeiten (mit Introspection)</p>
+</li>
+<li><p class="first">Dependency injection mit Hilfe von Funktionsargumenten</p>
+</li>
+<li><p class="first">Markieren von Tests möglich</p>
+</li>
+<li><p class="first">PDB kann bei fehlgeschlagenen Tests aufgerufen werden (<tt class="docutils literal">py.test <span class="pre">-x</span> <span class="pre">--pdb</span></tt>)</p>
+</li>
+<li><p class="first">Man kann ein Skript zum ausführen der Tests ohne py.test Installation erstellen (<tt class="docutils literal">python setup.py test</tt> oder <tt class="docutils literal">python runtests.py</tt>)</p>
+</li>
+<li><p class="first">Eigene Kommandozeilenoptionen möglich (<tt class="docutils literal">py.test <span class="pre">--no-localserver</span></tt>)</p>
+</li>
+</ul>
+</blockquote>
+</li>
+</ul>
+</blockquote>
+</li>
+</ul>
+</div>
+<div class="section" id="id5">
+<h2>0.3.1</h2>
+<ul class="simple">
+<li><a class="reference external" href="http://packages.python.org/versiontools/">versiontools</a> eingeführt</li>
+</ul>
+</div>
+<div class="section" id="id6">
+<h2>0.3.2</h2>
+<ul class="simple">
+<li>Deprecated <tt class="docutils literal">__getslice__</tt> Methode in <tt class="docutils literal">dedun.results</tt> entfernt</li>
+<li>Kommandos zum Ausführen von coverage (<tt class="docutils literal">python setup.py coverage</tt>) and pylint (<tt class="docutils literal">python setup.py pylint</tt>) in setup.py hinzugefügt</li>
+</ul>
+</div>
+</div>
+<div class="section" id="entwicklungswerkzeuge">
+<h1>Entwicklungswerkzeuge</h1>
+<div class="section" id="virtualenv-virtualenvwrapper">
+<h2>virtualenv &amp; virtualenvwrapper</h2>
+<ul class="simple">
+<li><a class="reference external" href="http://www.virtualenv.org/">virtualenv</a> und <a class="reference external" href="http://www.doughellmann.com/projects/virtualenvwrapper/">virtualenvwrapper</a> helfen bei Entwicklung und Testen</li>
+</ul>
+</div>
+<div class="section" id="pylint-pep8">
+<h2>pylint &amp; pep8</h2>
+<ul class="simple">
+<li><a class="reference external" href="http://pypi.python.org/pypi/pylint">pylint</a> und <a class="reference external" href="http://pypi.python.org/pypi/pep8">pep8</a> helfen bei der Analyse des Codes</li>
+</ul>
+</div>
+</div>
+<div class="section" id="python-3">
+<h1>Python 3</h1>
+<ul class="simple">
+<li>In einem neuen Branch begonnen, Python 3 Unterstützung umzusetzen</li>
+<li>Problem können anderen Packages sein, die noch nicht Python 3 kompatibel sein (z.B. anyjson)</li>
+<li>Unterstützung für Python 3 führt dazu, dass man den Code aufräumt und verbessert</li>
+<li>Website mit vielen Informationen: <a class="reference external" href="http://getpython3.com/">http://getpython3.com/</a></li>
+</ul>
+</div>
+</div>
+</body>
+</html>