8000 Add logging stuff for logging exceptions · Gopal-py/gk-learn-python@4bb7232 · GitHub
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Add logging stuff for logging exceptions
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‎notebooks/beginner/html/std_lib.html

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<pre>local now: 2018-07-08 12:07:23.620463
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utc now: 2018-07-08 10:07:23.620661
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2018 7 8 12 7 23
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date: 2018-07-08
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time: 12:07:23.620463
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<pre>local now: 2018-09-19 22:00:35.202267
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utc now: 2018-09-19 20:00:35.202567
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2018 9 19 22 0 35
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date: 2018-09-19
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time: 22:00:35.202267
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<pre>2018/07/08-12:07:23
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date: 2018-07-08 time:12:07:23
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date: 2018-09-19 time:22:00:35
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<pre>tomorrow this time: 2018-07-09 12:07:23.620463
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<pre>tomorrow this time: 2018-09-20 22:00:35.202267
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tomorrow - now = 1 day, 0:00:00
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<pre>naive utc now: 2018-07-08 10:07:24.490800, tzinfo: None
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utc now: 2018-07-08 10:07:24.490800+00:00, tzinfo: UTC
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Paris: 2018-07-08 12:07:24.490800+02:00, tzinfo: Europe/Paris
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New York: 2018-07-08 06:07:24.490800-04:00, tzinfo: America/New_York
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<pre>naive utc now: 2018-09-19 20:00:36.074664, tzinfo: None
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utc now: 2018-09-19 20:00:36.074664+00:00, tzinfo: UTC
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Paris: 2018-09-19 22:00:36.074664+02:00, tzinfo: Europe/Paris
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New York: 2018-09-19 16:00:36.074664-04:00, tzinfo: America/New_York
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<h3 id="Formatting-log-entries">Formatting log entries<a class="anchor-link" href="#Formatting-log-entries">&#182;</a></h3>
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<h3 id="Logging-expections">Logging expections<a class="anchor-link" href="#Logging-expections">&#182;</a></h3><p>There's a neat <code>exception</code> function in <code>logging</code> module which will automatically log the stack trace in addition to user defined log entry.</p>
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<div class=" highlight hl-ipython3"><pre><span></span><span class="k">try</span><span class="p">:</span>
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<span class="n">path_calculation</span> <span class="o">=</span> <span class="mi">1</span> <span class="o">/</span> <span class="mi">0</span>
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<span class="k">except</span> <span class="ne">ZeroDivisionError</span><span class="p">:</span>
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<span class="n">logging</span><span class="o">.</span><span class="n">exception</span><span class="p">(</span><span class="s1">&#39;All went south in my calculation&#39;</span><span class="p">)</span>
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</pre></div>
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<pre>ERROR:root:All went south in my calculation
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Traceback (most recent call last):
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File &#34;&lt;ipython-input-8-ccd7d25e79b7&gt;&#34;, line 2, in &lt;module&gt;
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path_calculation = 1 / 0
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ZeroDivisionError: division by zero
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</pre>
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<h3 id="Formatting-log-entries">Formatting log entries<a class="anchor-link" href="#Formatting-log-entries">&#182;</a></h3>
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<div class=" highlight hl-ipython3"><pre><span></span><span class="kn">import</span> <span class="nn">logging</span>
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<pre>2018-07-08 12:07:24,540 | MyLogger | WARNING | Something bad is going to happen
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2018-07-08 12:07:24,541 | MyLogger | ERROR | Uups, it already happened
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<pre>2018-09-19 22:00:36,127 | MyLogger | WARNING | Something bad is going to happen
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2018-09-19 22:00:36,128 | MyLogger | ERROR | Uups, it already happened
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<pre>random integer between 1-100: 35
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random float between 0-1: 0.09367732583402133
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<pre>random integer between 1-100: 63
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random float between 0-1: 0.11984811411151686
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<div class=" highlight hl-ipython3"><pre><span></span><span class="kn">import</span> <span class="nn">re</span>

‎notebooks/beginner/std_lib.ipynb

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"logger.critical('This is critical')"
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{
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"cell_type": "markdown",
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"metadata": {},
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"source": [
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"### Logging expections\n",
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"There's a neat `exception` function in `logging` module which will automatically log the stack trace in addition to user defined log entry. "
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]
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{
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"cell_type": "code",
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"execution_count": null,
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"metadata": {},
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"source": [
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"try:\n",
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" path_calculation = 1 / 0\n",
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"except ZeroDivisionError:\n",
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" logging.exception('All went south in my calculation')"
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},
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