Python: Part 4 - nics.tennessee.eduPython Crash Course Packages and Modules A module is a file...

17
Python: Part 4 Daniel Lucio Python Crash Course April 13, 2016

Transcript of Python: Part 4 - nics.tennessee.eduPython Crash Course Packages and Modules A module is a file...

Page 1: Python: Part 4 - nics.tennessee.eduPython Crash Course Packages and Modules A module is a file containing Python definitions, functions, classes and statements. A package is simply

Python: Part 4Daniel Lucio

Python Crash CourseApril 13, 2016

Page 2: Python: Part 4 - nics.tennessee.eduPython Crash Course Packages and Modules A module is a file containing Python definitions, functions, classes and statements. A package is simply

Python Crash Course

Packages and Modules

A module is a file containing Python definitions, functions, classes and statements.

A package is simply a collection of modules organized in a directory

Page 3: Python: Part 4 - nics.tennessee.eduPython Crash Course Packages and Modules A module is a file containing Python definitions, functions, classes and statements. A package is simply

Python Crash Course

Packages and ModulesGeometry

Area

Volume

Rectangle

Circle

Cube

Sphere

http://www.slideshare.net/p3infotech_solutions/python-programming-essentials-m18-modules-and-packages

http://www.slideshare.net/p3infotech_solutions/python-programming-essentials-m18-modules-and-packages
Page 4: Python: Part 4 - nics.tennessee.eduPython Crash Course Packages and Modules A module is a file containing Python definitions, functions, classes and statements. A package is simply

Python Crash Course http://python-packaging-user-guide.readthedocs.org/en/latest/pip_easy_install/

Page 5: Python: Part 4 - nics.tennessee.eduPython Crash Course Packages and Modules A module is a file containing Python definitions, functions, classes and statements. A package is simply

Python Crash Course http://python-packaging-user-guide.readthedocs.org/en/latest/installing/

$pip3installmatplotlib

$pip3install-Upip

$pip3install-Unumpy

OnWindowspython-mpipinstall-Upipsetuptools

How to install packages?

Page 6: Python: Part 4 - nics.tennessee.eduPython Crash Course Packages and Modules A module is a file containing Python definitions, functions, classes and statements. A package is simply

Python Crash Course

Package for Scientific Computing with Python

http://www.numpy.org/

Page 7: Python: Part 4 - nics.tennessee.eduPython Crash Course Packages and Modules A module is a file containing Python definitions, functions, classes and statements. A package is simply

Python Crash Course

Numpy Tutorial

https://docs.scipy.org/doc/numpy-dev/user/quickstart.html

https://docs.scipy.org/doc/numpy-dev/user/quickstart.html
Page 8: Python: Part 4 - nics.tennessee.eduPython Crash Course Packages and Modules A module is a file containing Python definitions, functions, classes and statements. A package is simply

Python Crash Course

Plotting library for Python

http://matplotlib.org/index.html

http://matplotlib.org/index.html
Page 9: Python: Part 4 - nics.tennessee.eduPython Crash Course Packages and Modules A module is a file containing Python definitions, functions, classes and statements. A package is simply

Python Crash Course

Pyplot Tutorial

http://matplotlib.org/users/pyplot_tutorial.html

http://matplotlib.org/users/pyplot_tutorial.html
Page 10: Python: Part 4 - nics.tennessee.eduPython Crash Course Packages and Modules A module is a file containing Python definitions, functions, classes and statements. A package is simply

Python Crash Course

Pyplot

http://matplotlib.org/api/pyplot_summary.html

http://matplotlib.org/api/pyplot_summary.html
Page 11: Python: Part 4 - nics.tennessee.eduPython Crash Course Packages and Modules A module is a file containing Python definitions, functions, classes and statements. A package is simply

Python Crash Course

Pyplot Tutorial

http://matplotlib.org/users/pyplot_tutorial.html

http://matplotlib.org/users/pyplot_tutorial.html
Page 12: Python: Part 4 - nics.tennessee.eduPython Crash Course Packages and Modules A module is a file containing Python definitions, functions, classes and statements. A package is simply

Python Crash Course

Plot from a file

import pylabdata= pylab.loadtxt('input.txt')pylab.plot (data[:,0], data[:,1])pylab.show()

$ cat > input.txt1 23 45 67 8

Page 13: Python: Part 4 - nics.tennessee.eduPython Crash Course Packages and Modules A module is a file containing Python definitions, functions, classes and statements. A package is simply

Python Crash Course

The SciPy ecosystem

http://scipy.org/

Page 14: Python: Part 4 - nics.tennessee.eduPython Crash Course Packages and Modules A module is a file containing Python definitions, functions, classes and statements. A package is simply

Python Crash Course

SciPy - Core packages

http://scipy.org/

• Python, a general purpose programming language. It is interpreted and dynamically typed and is very suited for interactive work and quick prototyping, while being powerful enough to write large applications in.

• NumPy, the fundamental package for numerical computation. It defines the numerical array and matrix types and basic operations on them.

• The SciPy library, a collection of numerical algorithms and domain-specific toolboxes, including signal processing, optimization, statistics and much more.

• Matplotlib, a mature and popular plotting package, that provides publication-quality 2D plotting as well as rudimentary 3D plotting

• pandas, providing high-performance, easy to use data structures.• SymPy, for symbolic mathematics and computer algebra.• IPython, a rich interactive interface, letting you quickly process data and test

ideas. The IPython notebook works in your web browser, allowing you to document your computation in an easily reproducible form.

• nose, a framework for testing Python code.

Page 15: Python: Part 4 - nics.tennessee.eduPython Crash Course Packages and Modules A module is a file containing Python definitions, functions, classes and statements. A package is simply

Python Crash Course

SciPy - Other packages

http://scipy.org/

• Chaco is another Python plotting toolkit designed from the ground up to be great for embedded, interactive plotting. It is built on Traits, both are part of the Enthought Tool Suite.

• Mayavi is a powerful and user-friendly framework for 3D visualization, built on top of the award winning Visualization Toolkit, VTK.

• Cython extends Python syntax so that you can conveniently build C extensions, either to speed up critical code, or to integrate with C/C++ libraries.

• Scikits are extra packages for more specific functionality. scikit-image and scikit-learn are two of the most prominent.

• h5py and PyTables can both access data stored in the HDF5 format.

Page 16: Python: Part 4 - nics.tennessee.eduPython Crash Course Packages and Modules A module is a file containing Python definitions, functions, classes and statements. A package is simply

Python Crash Course

Questions?

Page 17: Python: Part 4 - nics.tennessee.eduPython Crash Course Packages and Modules A module is a file containing Python definitions, functions, classes and statements. A package is simply

Python Crash Course

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On to Python€¦ · Python Interpreter •Three ways to run a Python program 1.Interactive •like DrJava 2.(default) save to a file, say, foo.py •in command-line: python foo.py

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Key Definitions and Implementation Contents

Key Definitions and Implementation Contents

PyQGIS developer cookbook - Documentation · Every time QGIS starts, the user’s Python home directory (usually: .qgis2/python) is searched for a file named startup.py, if that

PyQGIS developer cookbook - Documentation · Every time QGIS starts, the user’s Python home directory (usually: .qgis2/python) is searched for a file named startup.py, if that

Python Tutorial - University of Cambridge · You could write a UNIX shell script or ... Making references to Monty Python ... which executes the source file for module as if you

Python Tutorial - University of Cambridge · You could write a UNIX shell script or ... Making references to Monty Python ... which executes the source file for module as if you

Linux/Unix file system Next Lecture · COSC301 Lecture 5: Linux/Unix file … 15 Advanced file attributes • Setgid bit – chmod g+s file – Similar to setuid bit except the

Linux/Unix file system Next Lecture · COSC301 Lecture 5: Linux/Unix file … 15 Advanced file attributes • Setgid bit – chmod g+s file – Similar to setuid bit except the

Inets - Erlangproplist file, file() g File containing an erlang property list, followed by a full stop, describing the HTTP server configuration. f file, file() g If you use an

Inets - Erlangproplist file, file() g File containing an erlang property list, followed by a full stop, describing the HTTP server configuration. f file, file() g If you use an

Big Data geoscience - unidata.ucar.edu · Traditional Approach: A Data Access Portal Data Access Server file.0001.nc file.0002.nc file.0003.nc file.0004.nc Data Granules (netCDF

Big Data geoscience - unidata.ucar.edu · Traditional Approach: A Data Access Portal Data Access Server file.0001.nc file.0002.nc file.0003.nc file.0004.nc Data Granules (netCDF

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The Python Language Reference - New Mexico …infohost.nmt.edu/tcc/help/lang/python/2_6_3/reference.pdfwith each line after the first beginning with a vertical bar. In lexical definitions

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Portable Parallel I/O...Datatype definitions can be shared among objects in an HDF file, providing a powerful and efficient mechanism for describing data. Datatype definitions

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PhotoScan Python · PDF file3 Python API Change Log 45 ... PhotoScan Python Reference, Release 1.1.0 Parameters ... Loads calibration from file. Parameters • path

PhotoScan Python · PDF file3 Python API Change Log 45 ... PhotoScan Python Reference, Release 1.1.0 Parameters ... Loads calibration from file. Parameters • path

Definitions and Examples

Definitions and Examples

PyQGIS developer cookbook - Documentation · PyQGIS developer cookbook, Rilis 2.8 1.1.2The startup.py file Every time QGIS starts, the user’s Python home directory (usually: .qgis2/python)

PyQGIS developer cookbook - Documentation · PyQGIS developer cookbook, Rilis 2.8 1.1.2The startup.py file Every time QGIS starts, the user’s Python home directory (usually: .qgis2/python)

BAYESIAN OUTPUT ANALYSIS PROGRAM (BOA) … (BUGS or WinBUGS) program can be imported into BOA. The output file containing the parameter definitions should be saved as a .ind file;

BAYESIAN OUTPUT ANALYSIS PROGRAM (BOA) … (BUGS or WinBUGS) program can be imported into BOA. The output file containing the parameter definitions should be saved as a .ind file;