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--- python:python [2014/01/22 15:51]
dblume
+++ python:python [2022/06/15 07:49] (current)
dblume Mention flask gunicorn nginx
@@ Line 1: / Line 1: @@
-====== Python ======
+====== General Python Notes ======
 Man, there's too much to do and note.  Logging some stuff to investigate later...
@@ Line 7: / Line 7: @@
   * [[http://pytools.codeplex.com/releases/view/76089|Python Tools for Visual Studio 2010]].
   * [[http://wiki.python.org/moin/PythonSpeed/PerformanceTips|Python Performance Tips at the Python wiki]].
-  * Of course, there's getting Python running under Xampp. [[xampp]]
+  * Of course, there's [[:xampp|getting Python running under Xampp]].
   * There's [[http://www.infoworld.com/d/application-development/pillars-python-six-python-web-frameworks-compared-169442|A comparison of CubicWeb, Django, Pyramid, Web.py, Web2py, and Zope 2]]
-  * Look into the microframework [[http://flask.pocoo.org/|Flask]]. Here's a [[http://blog.miguelgrinberg.com/post/the-flask-mega-tutorial-part-i-hello-world|tutorial on making a blog with it]].
+  * Look into the microframework [[http://flask.pocoo.org/|Flask]]. Here's a [[http://blog.miguelgrinberg.com/post/the-flask-mega-tutorial-part-i-hello-world|tutorial on making a blog with it]]. Consider flask with gunicorn and nginx.
   * [[https://dataset.readthedocs.org/en/latest/|dataset]], an abstraction layer above relational databases.
   * [[http://docopt.org/|docopt]] for a stupidly easy and correct command-line interface description language.
+  * [[http://stevenloria.com/python-best-practice-patterns-by-vladimir-keleshev-notes/|Best practices]] by Vladimir Keleshev.
+  * [[https://twitter.com/brandon_rhodes/status/449938490516860928|You can ask a new-style class for its .__subclasses__()]] It uses weak references. Look at [[https://gist.github.com/etrepum/9862280|this interesting example with a child class inside a method]].
+  * A Power Point deck by Alex Martelli describing [[http://www.aleax.it/yt_pydi.pdf|Dependency Injection vs. Template Method (override base method) vs. Monkey Patching]].
+  * [[http://stackoverflow.com/questions/101268/hidden-features-of-python|Hidden Features of Python]] at StackOverflow
+  * [[http://chriskiehl.com/article/parallelism-in-one-line|Parallelism in one line]]
 Would be nice to create a binary search in text files in Python.  Maybe based on an answer deep in [[http://stackoverflow.com/questions/744256/reading-huge-file-in-python|Reading Huge File in Python]].
@@ Line 244: / Line 249: @@
     finally:
         fcntl.flock(f, fcntl.LOCK_UN)
+</code>
+====== Various Approaches to threaded URL Requests ======
+  * [[https://stackoverflow.com/questions/2632520/what-is-the-fastest-way-to-send-100-000-http-requests-in-python|Use Queue and threading's Thread]]
+  * [[https://www.shanelynn.ie/using-python-threading-for-multiple-results-queue/|Use threading and store results in a pre-allocated list]]. Then use Queue for lots of URLs.
+  * [[https://dev.to/rhymes/how-to-make-python-code-concurrent-with-3-lines-of-code-2fpe|Use concurrent.futures' ThreadPoolExecutor and map()]].
+  * Or, use the doc's [[https://docs.python.org/3/library/concurrent.futures.html#threadpoolexecutor-example|ThreadPoolExecutor Example]].
+  * And, as mentioned in Parallelism in One Line, [[https://chriskiehl.com/article/parallelism-in-one-line|multiprocessing.dummy's Pool and its own map()]].
+====== Fibonacci Generator with Itertools ======
+<code python>
+import itertools
+def fib(n):
+    """Print a Fibonacci series up to n."""
+    a, b = 0, 1
+    while True:
+        yield a
+        b = a + b
+        yield b
+        a = a + b
+if __name__ == '__main__':
+    for x in itertools.islice(fib(), 5):
+        print x
+#    for i in range( 5 ):
+#        print i, fib( i )
 </code>

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