@ -227,7 +227,7 @@ pre.prettyprint {
< strong > < span class = "hljs-string" > < span class = "hljs-string" > '5. Data'< / span > < / span > < / strong > : [< a href = "#json" > JSON< / a > , < a href = "#pickle" > Pickle< / a > , < a href = "#csv" > CSV< / a > , < a href = "#sqlite" > SQLite< / a > , < a href = "#bytes" > Bytes< / a > , < a href = "#struct" > Struct< / a > , < a href = "#array" > Array< / a > , < a href = "#memoryview" > Memory_View< / a > , < a href = "#deque" > Deque< / a > ],
< strong > < span class = "hljs-string" > < span class = "hljs-string" > '6. Advanced'< / span > < / span > < / strong > : [< a href = "#threading" > Threading< / a > , < a href = "#operator" > Operator< / a > , < a href = "#introspection" > Introspection< / a > , < a href = "#metaprograming" > Metaprograming< / a > , < a href = "#eval" > Eval< / a > , < a href = "#coroutines" > Coroutine< / a > ],
< strong > < span class = "hljs-string" > < span class = "hljs-string" > '7. Libraries'< / span > < / span > < / strong > : [< a href = "#progressbar" > Progress_Bar< / a > , < a href = "#plot" > Plot< / a > , < a href = "#table" > Table< / a > , < a href = "#curses" > Curses< / a > , < a href = "#logging" > Logging< / a > , < a href = "#scraping" > Scraping< / a > , < a href = "#web" > Web< / a > , < a href = "#profiling" > Profile< / a > ,
< a href = "#numpy" > NumPy< / a > , < a href = "#image" > Image< / a > , < a href = "#audio" > Audio< / a > , < a href = "#pygame" > Games< / a > , < a href = "#pandas" > Data< / a > , < a href = "#cython" > Cython < / a > ]
< a href = "#numpy" > NumPy< / a > , < a href = "#image" > Image< / a > , < a href = "#audio" > Audio< / a > , < a href = "#pygame" > Games< / a > , < a href = "#pandas" > Data< / a > , < a href = "#gui" > GUI < / a > ]
}
< / code > < / pre > < / div > < / div >
@ -519,7 +519,7 @@ to_exclusive = <range>.stop
{< el> :^< span class = "hljs-number" > 10< / span > } < span class = "hljs-comment" > # ' < el> '< / span >
{< el> :> < span class = "hljs-number" > 10< / span > } < span class = "hljs-comment" > # ' < el> '< / span >
{< el> :.< < span class = "hljs-number" > 10< / span > } < span class = "hljs-comment" > # '< el> ......'< / span >
{< el> :< < span class = "hljs-number" > 0< / span > } < span class = "hljs-comment" > # '< el> '< / span >
{< el> :< span class = "hljs-number" > 0< / span > } < span class = "hljs-comment" > # '< el> '< / span >
< / code > < / pre > < / div >
< div > < h3 id = "strings" > Strings< / h3 > < p > < strong > < code class = "python hljs" > < span class = "hljs-string" > '!r'< / span > < / code > calls object's < a href = "#class" > repr()< / a > method, instead of < a href = "#class" > str()< / a > , to get a string.< / strong > < / p > < pre > < code class = "python language-python hljs" > {< span class = "hljs-string" > 'abcde'< / span > !r:< span class = "hljs-number" > 10< / span > } < span class = "hljs-comment" > # "'abcde' "< / span >
@ -2175,7 +2175,7 @@ run(host=<span class="hljs-string">'0.0.0.0'</span>, port=<span class="hljs-numb
< div > < h4 id = "test" > Test:< / h4 > < pre > < code class = "python language-python hljs" > < span class = "hljs-comment" > # $ pip3 install requests< / span >
< span class = "hljs-meta" > > > > < / span > < span class = "hljs-keyword" > import< / span > requests
< span class = "hljs-meta" > > > > < / span > url = < span class = "hljs-string" > 'http://localhost:8080/odds/football'< / span >
< span class = "hljs-meta" > > > > < / span > url = < span class = "hljs-string" > 'http://localhost:8080/odds/football'< / span >
< span class = "hljs-meta" > > > > < / span > data = {< span class = "hljs-string" > 'team'< / span > : < span class = "hljs-string" > 'arsenal f.c.'< / span > }
< span class = "hljs-meta" > > > > < / span > response = requests.post(url, data=data)
< span class = "hljs-meta" > > > > < / span > response.json()
@ -2841,11 +2841,13 @@ c <span class="hljs-number">7</span> <span class="hljs-number">8</span>
< / code > < / pre > < / div >
< div > < h2 id = "plotly" > < a href = "#plotly" name = "plotly" > #< / a > Plotly< / h2 > < div > < h3 id = "coviddeathsbycontinent" > Covid Deaths by Continent< / h3 > < p > < / p > < div id = "2a950764-39fc-416d-97fe-0a6226a3095f" class = "plotly-graph-div" style = "height:400px; width:100%;" > < / div > < pre > < code class = "python language-python hljs" > < span class = "hljs-comment" > # $ pip3 install pandas plotly< / span >
< span class = "hljs-keyword" > import< / span > pandas < span class = "hljs-keyword" > as< / span > pd
< span class = "hljs-keyword" > import< / span > plotly.express
< div > < h2 id = "plotly" > < a href = "#plotly" name = "plotly" > #< / a > Plotly< / h2 > < pre > < code class = "python language-python hljs" > < span class = "hljs-comment" > # $ pip3 install plotly< / span >
< span class = "hljs-keyword" > from< / span > plotly.express < span class = "hljs-keyword" > import< / span > line
< Figure> = line(< DF> , x=< col_name> , y=< col_name> ) < span class = "hljs-comment" > # Or: line(x=< list> , y=< list> )< / span >
< Figure> .write_html/json/image(< span class = "hljs-string" > '< path> '< / span > ) < span class = "hljs-comment" > # Also: < Figure> .show()< / span >
< / code > < / pre > < / div >
covid = pd.read_csv(< span class = "hljs-string" > 'https://covid.ourworldindata.org/data/owid-covid-data.csv'< / span > ,
< div > < h4 id = "coviddeathsbycontinent" > Covid deaths by continent:< / h4 > < p > < / p > < div id = "2a950764-39fc-416d-97fe-0a6226a3095f" class = "plotly-graph-div" style = "height:360px; width:100%;" > < / div > < pre > < code class = "python language-python hljs" > < span class = "hljs-string" > 'https://covid.ourworldindata.org/data/owid-covid-data.csv'< / span > ,
usecols=[< span class = "hljs-string" > 'iso_code'< / span > , < span class = "hljs-string" > 'date'< / span > , < span class = "hljs-string" > 'total_deaths'< / span > , < span class = "hljs-string" > 'population'< / span > ])
continents = pd.read_csv(< span class = "hljs-string" > 'https://datahub.io/JohnSnowLabs/country-and-continent-codes-'< / span > + \
< span class = "hljs-string" > 'list/r/country-and-continent-codes-list-csv.csv'< / span > ,
@ -2855,21 +2857,16 @@ df = df.groupby([<span class="hljs-string">'Continent_Name'</span>, <span class=
df[< span class = "hljs-string" > 'Total Deaths per Million'< / span > ] = df.total_deaths * < span class = "hljs-number" > 1e6< / span > / df.population
df = df[(< span class = "hljs-string" > '2020-03-14'< / span > < df.date) & (df.date < < span class = "hljs-string" > '2020-06-25'< / span > )]
df = df.rename({< span class = "hljs-string" > 'date'< / span > : < span class = "hljs-string" > 'Date'< / span > , < span class = "hljs-string" > 'Continent_Name'< / span > : < span class = "hljs-string" > 'Continent'< / span > }, axis=< span class = "hljs-string" > 'columns'< / span > )
plotly.express.line(df, x=< span class = "hljs-string" > 'Date'< / span > , y=< span class = "hljs-string" > 'Total Deaths per Million'< / span > , color=< span class = "hljs-string" > 'Continent'< / span > ).show()
< / code > < / pre > < / div > < / div >
line(df, x=< span class = "hljs-string" > 'Date'< / span > , y=< span class = "hljs-string" > 'Total Deaths per Million'< / span > , color=< span class = "hljs-string" > 'Continent'< / span > ).show()
< / code > < / pre > < / div >
< div > < h3 id = "confirmedcovidcasesdowjonesgoldandbitcoinprice" > Confirmed Covid Cases, Dow Jones, Gold, and Bitcoin Price< / h3 > < p > < / p > < div id = "e23ccacc-a456-478b-b467-7282a2165921" class = "plotly-graph-div" style = "height:400px; width:100%;" > < / div > < pre > < code class = "python language-python hljs" > < span class = "hljs-comment" > # $ pip3 install pandas plotly< / span >
< span class = "hljs-keyword" > import< / span > pandas < span class = "hljs-keyword" > as< / span > pd
< span class = "hljs-keyword" > import< / span > plotly.graph_objects < span class = "hljs-keyword" > as< / span > go
< div > < h4 id = "confirmedcovidcasesdowjonesgoldandbitcoinprice" > Confirmed covid cases, Dow Jones, gold, and Bitcoin price:< / h4 > < p > < / p > < div id = "e23ccacc-a456-478b-b467-7282a2165921" class = "plotly-graph-div" style = "height:333px; width:100%;" > < / div > < pre > < code class = "python language-python hljs" > < span class = "hljs-keyword" > import< / span > plotly.graph_objects < span class = "hljs-keyword" > as< / span > go
< span class = "hljs-keyword" > import< / span > datetime
< span class = "hljs-function" > < span class = "hljs-keyword" > def< / span > < span class = "hljs-title" > main< / span > < span class = "hljs-params" > ()< / span > :< / span >
data = scrape_data()
df = wrangle_data(*data)
display_data(df)
display_data(wrangle_data(*scrape_data()))
< span class = "hljs-function" > < span class = "hljs-keyword" > def< / span > < span class = "hljs-title" > scrape_data< / span > < span class = "hljs-params" > ()< / span > :< / span >
< span class = "hljs-function" > < span class = "hljs-keyword" > def< / span > < span class = "hljs-title" > scrape_yahoo< / span > < span class = "hljs-params" > (id_)< / span > :< / span >
@ -2911,14 +2908,23 @@ plotly.express.line(df, x=<span class="hljs-string">'Date'</span>, y=<span class
< div > < h2 id = "cython" > < a href = "#cython" name = "cython" > #< / a > Cython< / h2 > < p > < strong > Library that compiles Python code into C.< / strong > < / p > < pre > < code class = "python language-python hljs" > < span class = "hljs-comment" > # $ pip3 install cython< / span >
< div > < h2 id = "gui" > < a href = "#gui" name = "gui" > #< / a > GUI< / h2 > < pre > < code class = "python language-python hljs" > < span class = "hljs-comment" > # $ pip3 install PySimpleGUI< / span >
< span class = "hljs-keyword" > import< / span > PySimpleGUI < span class = "hljs-keyword" > as< / span > sg
layout = [[sg.Text(< span class = "hljs-string" > "What's your name?"< / span > )], [sg.Input()], [sg.Button(< span class = "hljs-string" > 'Ok'< / span > )]]
window = sg.Window(< span class = "hljs-string" > 'Window Title'< / span > , layout)
event, values = window.read()
print(< span class = "hljs-string" > f'Hello < span class = "hljs-subst" > {values[< span class = "hljs-number" > 0< / span > ]}< / span > ! Thanks for trying PySimpleGUI'< / span > )
< / code > < / pre > < / div >
< div > < h2 id = "appendix" > < a href = "#appendix" name = "appendix" > #< / a > Appendix< / h2 > < div > < h3 id = "cython" > Cython< / h3 > < p > < strong > Library that compiles Python code into C.< / strong > < / p > < pre > < code class = "python language-python hljs" > < span class = "hljs-comment" > # $ pip3 install cython< / span >
< span class = "hljs-keyword" > import< / span > pyximport; pyximport.install()
< span class = "hljs-keyword" > import< / span > < cython_script>
< cython_script> .main()
< / code > < / pre > < / div >
< / code > < / pre > < / div > < / div >
< div > < h3 id = "definitions" > Definitions< / h3 > < ul >
< div > < h4 id = "definitions" > Definitions: < / h4 > < ul >
< li > < strong > All < code class = "python hljs" > < span class = "hljs-string" > 'cdef'< / span > < / code > definitions are optional, but they contribute to the speed-up.< / strong > < / li >
< li > < strong > Script needs to be saved with a < code class = "python hljs" > < span class = "hljs-string" > 'pyx'< / span > < / code > extension.< / strong > < / li >
< / ul > < pre > < code class = "python language-python hljs" > cdef < type> < var_name> = < el>
@ -2934,13 +2940,12 @@ cdef <type/void> <func_name>(<type> <arg_name_1>, ...):
< / code > < / pre >
< pre > < code class = "python language-python hljs" > cdef enum < enum_name> : < member_name_1> , < member_name_2> , ...
< / code > < / pre >
< div > < h2 id = "appendix" > < a href = "#appendix" name = "appendix" > #< / a > Appendix< / h2 > < div > < h3 id = "pyinstaller" > PyInstaller< / h3 > < pre > < code class = "bash language-bash hljs" > < code class = "bash language-bash hljs" > $ pip3 install pyinstaller
< div > < h3 id = "pyinstaller" > PyInstaller< / h3 > < pre > < code class = "bash language-bash hljs" > < code class = "bash language-bash hljs" > $ pip3 install pyinstaller
$ pyinstaller script.py < span class = "hljs-comment" > # Compiles into './dist/script' directory.< / span >
$ pyinstaller script.py --onefile < span class = "hljs-comment" > # Compiles into './dist/script' console app.< / span >
$ pyinstaller script.py --windowed < span class = "hljs-comment" > # Compiles into './dist/script' windowed app.< / span >
$ pyinstaller script.py --add-data '< path> :.' < span class = "hljs-comment" > # Adds file to the root of the executable.< / span >
< / code > < / code > < / pre > < / div > < / div >
< / code > < / code > < / pre > < / div >
< ul >
< li > < strong > File paths need to be updated to < code class = "python hljs" > < span class = "hljs-string" > 'os.path.join(sys._MEIPASS, < path> )'< / span > < / code > .< / strong > < / li >
Jure Šorn
4 years ago