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Easily Package your Python app into executables which you can distribute to anyone, without the need of them installing Python or other dependencies.
PyInstaller is OS independent, and is really easy to use.
#python
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PySQL is database framework for Python (v3.x) Language, Which is based on Python module mysql.connector, this module can help you to make your code more short and more easier. Before using this framework you must have knowledge about list, tuple, set, dictionary because all codes are designed using it. It's totally free and open source.
Before we said that this framework is based on mysql.connector so you have to install mysql.connector first on your system. Then you can import pysql and enjoy coding!
python -m pip install mysql-connector-python
After Install mysql.connector successfully create Python file download/install pysql on the same dir where you want to create program. You can clone is using git or npm command, and you can also downlaod manually from repository site.
Go to https://pypi.org/project/pysql-framework/ or use command
pip install pysql-framework
git clone https://github.com/rohit-chouhan/pysql
Go to https://www.npmjs.com/package/pysql or use command
$ npm i pysql
Install From Here https://marketplace.visualstudio.com/items?itemName=rohit-chouhan.pysql
Table of contents
To connect a database with localhost server or phpmyadmin, use connect method to establish your python with database server.
import pysql
db = pysql.connect(
"host",
"username",
"password"
)
Creating database in server, to use this method
import pysql
db = pysql.connect(
"host",
"username",
"password"
)
pysql.createDb(db,"demo")
#execute: CREATE DATABASE demo
To drop database use this method .
Syntex Code -
pysql.dropDb([connect_obj,"table_name"])
Example Code -
pysql.dropDb([db,"demo"])
#execute:DROP DATABASE demo
To connect a database with localhost server or phpmyadmin, use connect method to establish your python with database server.
import pysql
db = pysql.connect(
"host",
"username",
"password",
"database"
)
To create table in database use this method to pass column name as key and data type as value.
Syntex Code -
pysql.createTable([db,"table_name_to_create"],{
"column_name":"data_type",
"column_name":"data_type"
})
Example Code -
pysql.createTable([db,"details"],{
"id":"int(11) primary",
"name":"text",
"email":"varchar(50)",
"address":"varchar(500)"
})
2nd Example Code -
Use can use any Constraint with Data Value
pysql.createTable([db,"details"],{
"id":"int NOT NULL PRIMARY KEY",
"name":"varchar(20) NOT NULL",
"email":"varchar(50)",
"address":"varchar(500)"
})
To drop table in database use this method .
Syntex Code -
pysql.dropTable([connect_obj,"table_name"])
Example Code -
pysql.dropTable([db,"users"])
#execute:DROP TABLE users
For Select data from table, you have to mention the connector object with table name. pass column names in set.
Syntex For All Data (*)
-
records = pysql.selectAll([db,"table_name"])
for x in records:
print(x)
Example - -
records = pysql.selectAll([db,"details"])
for x in records:
print(x)
#execute: SELECT * FROM details
Syntex For Specific Column
-
records = pysql.select([db,"table_name"],{"column","column"})
for x in records:
print(x)
Example - -
records = pysql.select([db,"details"],{"name","email"})
for x in records:
print(x)
#execute: SELECT name, email FROM details
Syntex Where and Where Not
-
#For Where Column=Data
records = pysql.selectWhere([db,"table_name"],{"column","column"},("column","data"))
#For Where Not Column=Data (use ! with column)
records = pysql.selectWhere([db,"table_name"],{"column","column"},("column!","data"))
for x in records:
print(x)
Example - -
records = pysql.selectWhere([db,"details"],{"name","email"},("county","india"))
for x in records:
print(x)
#execute: SELECT name, email FROM details WHERE country='india'
To add column in table, use this method to pass column name as key and data type as value. Note: you can only add one column only one call
Syntex Code -
pysql.addColumn([db,"table_name"],{
"column_name":"data_type"
})
Example Code -
pysql.addColumn([db,"details"],{
"email":"varchar(50)"
})
#execute: ALTER TABLE details ADD email varchar(50);
To modify data type of column table, use this method to pass column name as key and data type as value.
Syntex Code -
pysql.modifyColumn([db,"table_name"],{
"column_name":"new_data_type"
})
Example Code -
pysql.modifyColumn([db,"details"],{
"email":"text"
})
#execute: ALTER TABLE details MODIFY COLUMN email text;
Note: you can only add one column only one call
Syntex Code -
pysql.dropColumn([db,"table_name"],"column_name")
Example Code -
pysql.dropColumn([db,"details"],"name")
#execute: ALTER TABLE details DROP COLUMN name
To execute manual SQL Query to use this method.
Syntex Code -
pysql.query(connector_object,your_query)
Example Code -
pysql.query(db,"INSERT INTO users (name) VALUES ('Rohit')")
For Inserting data in database, you have to mention the connector object with table name, and data as sets.
Syntex -
data = {
"db_column":"Data for Insert",
"db_column":"Data for Insert"
}
pysql.insert([db,"table_name"],data)
Example Code -
data = {
"name":"Komal Sharma",
"contry":"India"
}
pysql.insert([db,"users"],data)
For Update data in database, you have to mention the connector object with table name, and data as tuple.
Syntex For Updating All Data
-
data = ("column","data to update")
pysql.updateAll([db,"users"],data)
Example - -
data = ("name","Rohit")
pysql.updateAll([db,"users"],data)
#execute: UPDATE users SET name='Rohit'
Syntex For Updating Data (Where and Where Not)
-
data = ("column","data to update")
#For Where Column=Data
where = ("column","data")
#For Where Not Column=Data (use ! with column)
where = ("column!","data")
pysql.update([db,"users"],data,where)
Example -
data = ("name","Rohit")
where = ("id",1)
pysql.update([db,"users"],data,where)
#execute: UPDATE users SET name='Rohit' WHERE id=1
For Delete data in database, you have to mention the connector object with table name.
Syntex For Delete All Data
-
pysql.deleteAll([db,"table_name"])
Example - -
pysql.deleteAll([db,"users"])
#execute: DELETE FROM users
Syntex For Deleting Data (Where and Where Not)
-
where = ("column","data")
pysql.delete([db,"table_name"],where)
Example -
#For Where Column=Data
where = ("id",1)
#For Where Not Column=Data (use ! with column)
where = ("id!",1)
pysql.delete([db,"users"],where)
#execute: DELETE FROM users WHERE id=1
[19/06/2021]
- ConnectSever() removed and merged to Connect()
- deleteAll() [Fixed]
- dropTable() [Added]
- dropDb() [Added]
[20/06/2021]
- Where Not Docs [Added]
The module is designed by Rohit Chouhan, contact us for any bug report, feature or business inquiry.
Author: rohit-chouhan
Source Code: https://github.com/rohit-chouhan/pysql
License: Apache-2.0 License
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Welcome to my Blog, In this article, we will learn python lambda function, Map function, and filter function.
Lambda function in python: Lambda is a one line anonymous function and lambda takes any number of arguments but can only have one expression and python lambda syntax is
Syntax: x = lambda arguments : expression
Now i will show you some python lambda function examples:
#python #anonymous function python #filter function in python #lambda #lambda python 3 #map python #python filter #python filter lambda #python lambda #python lambda examples #python map
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Are you leading an organization that has a large campus, e.g., a large university? You are probably thinking of introducing an electric scooter/bicycle fleet on the campus, and why wouldn’t you?
Introducing micro-mobility in your campus with the help of such a fleet would help the people on the campus significantly. People would save money since they don’t need to use a car for a short distance. Your campus will see a drastic reduction in congestion, moreover, its carbon footprint will reduce.
Micro-mobility is relatively new though and you would need help. You would need to select an appropriate fleet of vehicles. The people on your campus would need to find electric scooters or electric bikes for commuting, and you need to provide a solution for this.
To be more specific, you need a short-term electric bike rental app. With such an app, you will be able to easily offer micro-mobility to the people on the campus. We at Devathon have built Autorent exactly for this.
What does Autorent do and how can it help you? How does it enable you to introduce micro-mobility on your campus? We explain these in this article, however, we will touch upon a few basics first.
You are probably thinking about micro-mobility relatively recently, aren’t you? A few relevant insights about it could help you to better appreciate its importance.
Micro-mobility is a new trend in transportation, and it uses vehicles that are considerably smaller than cars. Electric scooters (e-scooters) and electric bikes (e-bikes) are the most popular forms of micro-mobility, however, there are also e-unicycles and e-skateboards.
You might have already seen e-scooters, which are kick scooters that come with a motor. Thanks to its motor, an e-scooter can achieve a speed of up to 20 km/h. On the other hand, e-bikes are popular in China and Japan, and they come with a motor, and you can reach a speed of 40 km/h.
You obviously can’t use these vehicles for very long commutes, however, what if you need to travel a short distance? Even if you have a reasonable public transport facility in the city, it might not cover the route you need to take. Take the example of a large university campus. Such a campus is often at a considerable distance from the central business district of the city where it’s located. While public transport facilities may serve the central business district, they wouldn’t serve this large campus. Currently, many people drive their cars even for short distances.
As you know, that brings its own set of challenges. Vehicular traffic adds significantly to pollution, moreover, finding a parking spot can be hard in crowded urban districts.
Well, you can reduce your carbon footprint if you use an electric car. However, electric cars are still new, and many countries are still building the necessary infrastructure for them. Your large campus might not have the necessary infrastructure for them either. Presently, electric cars don’t represent a viable option in most geographies.
As a result, you need to buy and maintain a car even if your commute is short. In addition to dealing with parking problems, you need to spend significantly on your car.
All of these factors have combined to make people sit up and think seriously about cars. Many people are now seriously considering whether a car is really the best option even if they have to commute only a short distance.
This is where micro-mobility enters the picture. When you commute a short distance regularly, e-scooters or e-bikes are viable options. You limit your carbon footprints and you cut costs!
Businesses have seen this shift in thinking, and e-scooter companies like Lime and Bird have entered this field in a big way. They let you rent e-scooters by the minute. On the other hand, start-ups like Jump and Lyft have entered the e-bike market.
Think of your campus now! The people there might need to travel short distances within the campus, and e-scooters can really help them.
What advantages can you get from micro-mobility? Let’s take a deeper look into this question.
Micro-mobility can offer several advantages to the people on your campus, e.g.:
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The electric scooter revolution has caught on super-fast taking many cities across the globe by storm. eScooters, a renovated version of old-school scooters now turned into electric vehicles are an environmentally friendly solution to current on-demand commute problems. They work on engines, like cars, enabling short traveling distances without hassle. The result is that these groundbreaking electric machines can now provide faster transport for less — cheaper than Uber and faster than Metro.
Since they are durable, fast, easy to operate and maintain, and are more convenient to park compared to four-wheelers, the eScooters trend has and continues to spike interest as a promising growth area. Several companies and universities are increasingly setting up shop to provide eScooter services realizing a would-be profitable business model and a ready customer base that is university students or residents in need of faster and cheap travel going about their business in school, town, and other surrounding areas.
In many countries including the U.S., Canada, Mexico, U.K., Germany, France, China, Japan, India, Brazil and Mexico and more, a growing number of eScooter users both locals and tourists can now be seen effortlessly passing lines of drivers stuck in the endless and unmoving traffic.
A recent report by McKinsey revealed that the E-Scooter industry will be worth― $200 billion to $300 billion in the United States, $100 billion to $150 billion in Europe, and $30 billion to $50 billion in China in 2030. The e-Scooter revenue model will also spike and is projected to rise by more than 20% amounting to approximately $5 billion.
And, with a necessity to move people away from high carbon prints, traffic and congestion issues brought about by car-centric transport systems in cities, more and more city planners are developing more bike/scooter lanes and adopting zero-emission plans. This is the force behind the booming electric scooter market and the numbers will only go higher and higher.
Companies that have taken advantage of the growing eScooter trend develop an appthat allows them to provide efficient eScooter services. Such an app enables them to be able to locate bike pick-up and drop points through fully integrated google maps.
It’s clear that e scooters will increasingly become more common and the e-scooter business model will continue to grab the attention of manufacturers, investors, entrepreneurs. All this should go ahead with a quest to know what are some of the best electric bikes in the market especially for anyone who would want to get started in the electric bikes/scooters rental business.
We have done a comprehensive list of the best electric bikes! Each bike has been reviewed in depth and includes a full list of specs and a photo.
https://www.kickstarter.com/projects/enkicycles/billy-were-redefining-joyrides
To start us off is the Billy eBike, a powerful go-anywhere urban electric bike that’s specially designed to offer an exciting ride like no other whether you want to ride to the grocery store, cafe, work or school. The Billy eBike comes in 4 color options – Billy Blue, Polished aluminium, Artic white, and Stealth black.
Price: $2490
Available countries
Available in the USA, Europe, Asia, South Africa and Australia.This item ships from the USA. Buyers are therefore responsible for any taxes and/or customs duties incurred once it arrives in your country.
Features
Specifications
Why Should You Buy This?
**Who Should Ride Billy? **
Both new and experienced riders
**Where to Buy? **Local distributors or ships from the USA.
Featuring a sleek and lightweight aluminum frame design, the 200-Series ebike takes your riding experience to greater heights. Available in both black and white this ebike comes with a connected app, which allows you to plan activities, map distances and routes while also allowing connections with fellow riders.
Price: $2099.00
Available countries
The Genze 200 series e-Bike is available at GenZe retail locations across the U.S or online via GenZe.com website. Customers from outside the US can ship the product while incurring the relevant charges.
Features
Specifications
https://ebikestore.com/shop/norco-vlt-s2/
The Norco VLT S2 is a front suspension e-Bike with solid components alongside the reliable Bosch Performance Line Power systems that offer precise pedal assistance during any riding situation.
Price: $2,699.00
Available countries
This item is available via the various Norco bikes international distributors.
Features
Specifications
http://www.bodoevs.com/bodoev/products_show.asp?product_id=13
Manufactured by Bodo Vehicle Group Limited, the Bodo EV is specially designed for strong power and extraordinary long service to facilitate super amazing rides. The Bodo Vehicle Company is a striking top in electric vehicles brand field in China and across the globe. Their Bodo EV will no doubt provide your riders with high-level riding satisfaction owing to its high-quality design, strength, breaking stability and speed.
Price: $799
Available countries
This item ships from China with buyers bearing the shipping costs and other variables prior to delivery.
Features
Specifications
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