richard
/
python-cheatsheet
mirror of https://github.com/gto76/python-cheatsheet.git
1
0
Fork 0
Code Issues Projects Releases Wiki Activity
Browse Source

Plot, profile, animation and appendix

pull/86/head
Jure Šorn 4 years ago
parent
f3e8b2c249
commit
c132f25c12
2 changed files with 28 additions and 28 deletions
Unified View
Diff Options
Show Stats Download Patch File Download Diff File
  1. 28
      README.md
  2. 28
      index.html

28
README.md
View File

@ -2344,13 +2344,13 @@ Plot
---- ----
```python ```python
# $ pip3 install matplotlib # $ pip3 install matplotlib
from matplotlib import pyplot
pyplot.plot(<y_data> [, label=<str>])
pyplot.plot(<x_data>, <y_data>)
pyplot.legend() # Adds a legend.
pyplot.savefig(<path>) # Saves the figure.
pyplot.show() # Displays the figure.
pyplot.clf() # Clears the figure.
import matplotlib.pyplot as plt
plt.plot(<y_data> [, label=<str>])
plt.plot(<x_data>, <y_data>)
plt.legend() # Adds a legend.
plt.savefig(<path>) # Saves the figure.
plt.show() # Displays the figure.
plt.clf() # Clears the figure.
``` ```
@ -2557,18 +2557,18 @@ Line # Hits Time Per Hit % Time Line Contents
======================================================= =======================================================
1 @profile 1 @profile
2 def main(): 2 def main():
3 1 1128.0 1128.0 27.4 a = [*range(10000)]
4 1 2994.0 2994.0 72.6 b = {*range(10000)}
3 1 955.0 955.0 43.7 a = [*range(10000)]
4 1 1231.0 1231.0 56.3 b = {*range(10000)}
``` ```
```text ```text
$ python3 -m memory_profiler test.py $ python3 -m memory_profiler test.py
Line # Mem usage Increment Line Contents Line # Mem usage Increment Line Contents
======================================================= =======================================================
1 35.387 MiB 35.387 MiB @profile
1 37.668 MiB 37.668 MiB @profile
2 def main(): 2 def main():
3 35.734 MiB 0.348 MiB a = [*range(10000)]
4 36.160 MiB 0.426 MiB b = {*range(10000)}
3 38.012 MiB 0.344 MiB a = [*range(10000)]
4 38.477 MiB 0.465 MiB b = {*range(10000)}
``` ```
### Call Graph ### Call Graph
@ -2766,7 +2766,7 @@ Animation
--------- ---------
#### Creates a GIF of a bouncing ball: #### Creates a GIF of a bouncing ball:
```python ```python
# $ pip3 install pillow imageio
# $ pip3 install imageio
from PIL import Image, ImageDraw from PIL import Image, ImageDraw
import imageio import imageio
WIDTH, R = 126, 10 WIDTH, R = 126, 10
@ -3486,7 +3486,7 @@ $ pyinstaller script.py --add-data '<path>:.' # Adds file to the root of the ex
# #
from sys import argv, exit from sys import argv, exit
from collections import Counter, defaultdict, namedtuple
from collections import defaultdict, namedtuple
from dataclasses import make_dataclass from dataclasses import make_dataclass
from enum import Enum from enum import Enum
import functools, itertools, operator as op, re import functools, itertools, operator as op, re

28
index.html
View File

@ -2059,13 +2059,13 @@ Processing: 100%|████████████████████| 3
<div><h2 id="plot"><a href="#plot" name="plot">#</a>Plot</h2><pre><code class="python language-python hljs"><span class="hljs-comment"># $ pip3 install matplotlib</span> <div><h2 id="plot"><a href="#plot" name="plot">#</a>Plot</h2><pre><code class="python language-python hljs"><span class="hljs-comment"># $ pip3 install matplotlib</span>
<span class="hljs-keyword">from</span> matplotlib <span class="hljs-keyword">import</span> pyplot
pyplot.plot(&lt;y_data&gt; [, label=&lt;str&gt;])
pyplot.plot(&lt;x_data&gt;, &lt;y_data&gt;)
pyplot.legend() <span class="hljs-comment"># Adds a legend.</span>
pyplot.savefig(&lt;path&gt;) <span class="hljs-comment"># Saves the figure.</span>
pyplot.show() <span class="hljs-comment"># Displays the figure.</span>
pyplot.clf() <span class="hljs-comment"># Clears the figure.</span>
<span class="hljs-keyword">import</span> matplotlib.pyplot <span class="hljs-keyword">as</span> plt
plt.plot(&lt;y_data&gt; [, label=&lt;str&gt;])
plt.plot(&lt;x_data&gt;, &lt;y_data&gt;)
plt.legend() <span class="hljs-comment"># Adds a legend.</span>
plt.savefig(&lt;path&gt;) <span class="hljs-comment"># Saves the figure.</span>
plt.show() <span class="hljs-comment"># Displays the figure.</span>
plt.clf() <span class="hljs-comment"># Clears the figure.</span>
</code></pre></div> </code></pre></div>
<div><h2 id="table"><a href="#table" name="table">#</a>Table</h2><div><h4 id="printsacsvfileasanasciitable">Prints a CSV file as an ASCII table:</h4><pre><code class="python language-python hljs"><span class="hljs-comment"># $ pip3 install tabulate</span> <div><h2 id="table"><a href="#table" name="table">#</a>Table</h2><div><h4 id="printsacsvfileasanasciitable">Prints a CSV file as an ASCII table:</h4><pre><code class="python language-python hljs"><span class="hljs-comment"># $ pip3 install tabulate</span>
@ -2228,16 +2228,16 @@ Line # Hits Time Per Hit % Time Line Contents
======================================================= =======================================================
1 @profile 1 @profile
2 def main(): 2 def main():
3 1 1128.0 1128.0 27.4 a = [*range(10000)]
4 1 2994.0 2994.0 72.6 b = {*range(10000)}
3 1 955.0 955.0 43.7 a = [*range(10000)]
4 1 1231.0 1231.0 56.3 b = {*range(10000)}
</code></pre> </code></pre>
<pre><code class="text language-text">$ python3 -m memory_profiler test.py <pre><code class="text language-text">$ python3 -m memory_profiler test.py
Line # Mem usage Increment Line Contents Line # Mem usage Increment Line Contents
======================================================= =======================================================
1 35.387 MiB 35.387 MiB @profile
1 37.668 MiB 37.668 MiB @profile
2 def main(): 2 def main():
3 35.734 MiB 0.348 MiB a = [*range(10000)]
4 36.160 MiB 0.426 MiB b = {*range(10000)}
3 38.012 MiB 0.344 MiB a = [*range(10000)]
4 38.477 MiB 0.465 MiB b = {*range(10000)}
</code></pre> </code></pre>
<div><h3 id="callgraph">Call Graph</h3><div><h4 id="generatesapngimageofacallgraphwithhighlightedbottlenecks">Generates a PNG image of a call graph with highlighted bottlenecks:</h4><pre><code class="python language-python hljs"><span class="hljs-comment"># $ pip3 install pycallgraph</span> <div><h3 id="callgraph">Call Graph</h3><div><h4 id="generatesapngimageofacallgraphwithhighlightedbottlenecks">Generates a PNG image of a call graph with highlighted bottlenecks:</h4><pre><code class="python language-python hljs"><span class="hljs-comment"># $ pip3 install pycallgraph</span>
<span class="hljs-keyword">from</span> pycallgraph <span class="hljs-keyword">import</span> output, PyCallGraph <span class="hljs-keyword">from</span> pycallgraph <span class="hljs-keyword">import</span> output, PyCallGraph
@ -2385,7 +2385,7 @@ img.convert(<span class="hljs-string">'RGB'</span>).save(<span class="hljs-strin
<li><strong>Use <code class="python hljs"><span class="hljs-string">'outline=&lt;color&gt;'</span></code> to set the secondary color.</strong></li> <li><strong>Use <code class="python hljs"><span class="hljs-string">'outline=&lt;color&gt;'</span></code> to set the secondary color.</strong></li>
<li><strong>Color can be specified as an int, tuple, <code class="python hljs"><span class="hljs-string">'#rrggbb[aa]'</span></code> string or a color name.</strong></li> <li><strong>Color can be specified as an int, tuple, <code class="python hljs"><span class="hljs-string">'#rrggbb[aa]'</span></code> string or a color name.</strong></li>
</ul> </ul>
<div><h2 id="animation"><a href="#animation" name="animation">#</a>Animation</h2><div><h4 id="createsagifofabouncingball">Creates a GIF of a bouncing ball:</h4><pre><code class="python language-python hljs"><span class="hljs-comment"># $ pip3 install pillow imageio</span>
<div><h2 id="animation"><a href="#animation" name="animation">#</a>Animation</h2><div><h4 id="createsagifofabouncingball">Creates a GIF of a bouncing ball:</h4><pre><code class="python language-python hljs"><span class="hljs-comment"># $ pip3 install imageio</span>
<span class="hljs-keyword">from</span> PIL <span class="hljs-keyword">import</span> Image, ImageDraw <span class="hljs-keyword">from</span> PIL <span class="hljs-keyword">import</span> Image, ImageDraw
<span class="hljs-keyword">import</span> imageio <span class="hljs-keyword">import</span> imageio
WIDTH, R = <span class="hljs-number">126</span>, <span class="hljs-number">10</span> WIDTH, R = <span class="hljs-number">126</span>, <span class="hljs-number">10</span>
@ -2972,7 +2972,7 @@ $ pyinstaller script.py --add-data '&lt;path&gt;:.' <span class="hljs-comment">
<span class="hljs-comment">#</span> <span class="hljs-comment">#</span>
<span class="hljs-keyword">from</span> sys <span class="hljs-keyword">import</span> argv, exit <span class="hljs-keyword">from</span> sys <span class="hljs-keyword">import</span> argv, exit
<span class="hljs-keyword">from</span> collections <span class="hljs-keyword">import</span> Counter, defaultdict, namedtuple
<span class="hljs-keyword">from</span> collections <span class="hljs-keyword">import</span> defaultdict, namedtuple
<span class="hljs-keyword">from</span> dataclasses <span class="hljs-keyword">import</span> make_dataclass <span class="hljs-keyword">from</span> dataclasses <span class="hljs-keyword">import</span> make_dataclass
<span class="hljs-keyword">from</span> enum <span class="hljs-keyword">import</span> Enum <span class="hljs-keyword">from</span> enum <span class="hljs-keyword">import</span> Enum
<span class="hljs-keyword">import</span> functools, itertools, operator <span class="hljs-keyword">as</span> op, re <span class="hljs-keyword">import</span> functools, itertools, operator <span class="hljs-keyword">as</span> op, re

Write Preview
Loading…
Cancel
Save