Add exercises 27

Signed-off-by: Manuel Vergara <manuel@vergaracarmona.es>

30-days-of-python/27_Python_con_MongoDB/01_proof_conection_mongo.py

@@ -0,0 +1,29 @@
+"""
+Conection
+"""
+
+from pymongo.mongo_client import MongoClient
+from pymongo.server_api import ServerApi
+import os
+from dotenv import load_dotenv
+
+load_dotenv()
+# variables .env
+mongopass = os.getenv('mongopass')
+mongouser = os.getenv('mongouser')
+mongoname = os.getenv('mongoname')
+
+uri = "mongodb+srv://" + \
+    mongouser + ":" + \
+    mongopass + "@" + \
+    mongoname + ".m697hfm.mongodb.net/?retryWrites=true&w=majority"
+
+# Create a new client and connect to the server
+client = MongoClient(uri, server_api=ServerApi('1'))
+
+# Send a ping to confirm a successful connection
+try:
+    client.admin.command('ping')
+    print("Se envió un ping a su deploy. ¡Se ha conectado correctamente a MongoDB!")
+except Exception as e:
+    print(e)

30-days-of-python/27_Python_con_MongoDB/02_connect_flask_app.py

@@ -0,0 +1,30 @@
+"""
+Conectar la aplicación flask a la base de datos MongoDB
+"""
+
+from pymongo.mongo_client import MongoClient
+from pymongo.server_api import ServerApi
+from flask import Flask, render_template
+import os
+from dotenv import load_dotenv
+
+load_dotenv()
+# variables .env
+mongopass = os.getenv('mongopass')
+mongouser = os.getenv('mongouser')
+mongoname = os.getenv('mongoname')
+
+uri = "mongodb+srv://" + \
+    mongouser + ":" + \
+    mongopass + "@" + \
+    mongoname + ".m697hfm.mongodb.net/?retryWrites=true&w=majority"
+
+
+client = MongoClient(uri, server_api=ServerApi('1'))
+
+print(client.list_database_names())
+
+app = Flask(__name__)
+if __name__ == '__main__':
+    port = int(os.environ.get("PORT", 5000))
+    app.run(debug=True, host='0.0.0.0', port=port)

30-days-of-python/27_Python_con_MongoDB/03_create_db_collection.py

@@ -0,0 +1,40 @@
+"""
+Crear una base de datos y una colección
+"""
+
+from pymongo.mongo_client import MongoClient
+from pymongo.server_api import ServerApi
+from flask import Flask, render_template
+import os
+from dotenv import load_dotenv
+
+load_dotenv()
+# variables .env
+mongopass = os.getenv('mongopass')
+mongouser = os.getenv('mongouser')
+mongoname = os.getenv('mongoname')
+
+uri = "mongodb+srv://" + \
+    mongouser + ":" + \
+    mongopass + "@" + \
+    mongoname + ".m697hfm.mongodb.net/?retryWrites=true&w=majority"
+
+client = MongoClient(uri, server_api=ServerApi('1'))
+
+# Creating database
+db = client.pruebas_mongodb
+
+# Creating students collection and inserting a document
+db.students.insert_one({
+    'name': 'manuel',
+    'country': 'Angola',
+    'city': 'Soria',
+    'age': 40
+})
+
+print(client.list_database_names())
+
+app = Flask(__name__)
+if __name__ == '__main__':
+    port = int(os.environ.get("PORT", 5000))
+    app.run(debug=True, host='0.0.0.0', port=port)

30-days-of-python/27_Python_con_MongoDB/04_Insert_many_docs_collection.py

@@ -0,0 +1,41 @@
+"""
+Insertar varios documentos en una colección
+"""
+
+from pymongo.mongo_client import MongoClient
+from pymongo.server_api import ServerApi
+from flask import Flask, render_template
+import os
+from dotenv import load_dotenv
+
+load_dotenv()
+# variables .env
+mongopass = os.getenv('mongopass')
+mongouser = os.getenv('mongouser')
+mongoname = os.getenv('mongoname')
+
+uri = "mongodb+srv://" + \
+    mongouser + ":" + \
+    mongopass + "@" + \
+    mongoname + ".m697hfm.mongodb.net/?retryWrites=true&w=majority"
+
+client = MongoClient(uri, server_api=ServerApi('1'))
+
+db = client.pruebas_mongodb
+
+students = [
+    {'name': 'David', 'country': 'UK', 'city': 'London', 'age': 34},
+    {'name': 'John', 'country': 'Sweden', 'city': 'Stockholm', 'age': 28},
+    {'name': 'Sami', 'country': 'Finland', 'city': 'Helsinki', 'age': 25},
+]
+
+for student in students:
+    db.students.insert_one(student)
+
+
+app = Flask(__name__)
+if __name__ == '__main__':
+    # for deployment we use the environ
+    # to make it work for both production and development
+    port = int(os.environ.get("PORT", 5000))
+    app.run(debug=True, host='0.0.0.0', port=port)

30-days-of-python/27_Python_con_MongoDB/05_find.py

@@ -0,0 +1,55 @@
+"""
+Buscar en la base de datos 
+"""
+
+from pymongo.mongo_client import MongoClient
+from pymongo.server_api import ServerApi
+from flask import Flask, render_template
+import os
+from dotenv import load_dotenv
+from bson.objectid import ObjectId
+
+load_dotenv()
+# variables .env
+mongopass = os.getenv('mongopass')
+mongouser = os.getenv('mongouser')
+mongoname = os.getenv('mongoname')
+
+uri = "mongodb+srv://" + \
+    mongouser + ":" + \
+    mongopass + "@" + \
+    mongoname + ".m697hfm.mongodb.net/?retryWrites=true&w=majority"
+
+client = MongoClient(uri, server_api=ServerApi('1'))
+
+db = client.pruebas_mongodb
+
+student = db.students.find_one({'name': 'David'})
+print(student)
+
+print("-"*30)
+
+student_two = db.students.find_one(
+    {'_id': ObjectId('652472bfccdbb81a3f7473e5')})
+print(student_two)
+
+print("-"*30)
+
+students = db.students.find()
+for student in students:
+    print(student)
+
+print("-"*30)
+
+students = db.students.find({}, {"_id": 0,  "name": 1, "country": 1})
+for student in students:
+    print(student)
+
+print("-"*30)
+
+app = Flask(__name__)
+if __name__ == '__main__':
+    # for deployment we use the environ
+    # to make it work for both production and development
+    port = int(os.environ.get("PORT", 5000))
+    app.run(debug=True, host='0.0.0.0', port=port)

30-days-of-python/27_Python_con_MongoDB/06_find_query.py

@@ -0,0 +1,70 @@
+"""
+Buscar en la base de datos con query
+"""
+
+from pymongo.mongo_client import MongoClient
+from pymongo.server_api import ServerApi
+from flask import Flask, render_template
+import os
+from dotenv import load_dotenv
+from bson.objectid import ObjectId
+
+load_dotenv()
+# variables .env
+mongopass = os.getenv('mongopass')
+mongouser = os.getenv('mongouser')
+mongoname = os.getenv('mongoname')
+
+uri = "mongodb+srv://" + \
+    mongouser + ":" + \
+    mongopass + "@" + \
+    mongoname + ".m697hfm.mongodb.net/?retryWrites=true&w=majority"
+
+client = MongoClient(uri, server_api=ServerApi('1'))
+
+db = client.pruebas_mongodb
+
+query = {
+    "country": "Finland"
+}
+students = db.students.find(query)
+
+for student in students:
+    print(student)
+
+
+print("-"*30)
+
+query = {
+    "city": "Helsinki"
+}
+students = db.students.find(query)
+for student in students:
+    print(student)
+
+
+print("-"*30)
+
+query = {
+    "country": "Finland",
+    "city": "Helsinki"
+}
+students = db.students.find(query)
+for student in students:
+    print(student)
+
+
+print("-"*30)
+
+query = {"age": {"$gt": 30}}
+students = db.students.find(query)
+for student in students:
+    print(student)
+
+
+app = Flask(__name__)
+if __name__ == '__main__':
+    # for deployment we use the environ
+    # to make it work for both production and development
+    port = int(os.environ.get("PORT", 5000))
+    app.run(debug=True, host='0.0.0.0', port=port)

30-days-of-python/27_Python_con_MongoDB/07_find_more_opcions.py

@@ -0,0 +1,71 @@
+"""
+Buscar en la base de datos - más opciones
+"""
+
+from pymongo.mongo_client import MongoClient
+from pymongo.server_api import ServerApi
+from flask import Flask, render_template
+import os
+from dotenv import load_dotenv
+from bson.objectid import ObjectId
+
+load_dotenv()
+# variables .env
+mongopass = os.getenv('mongopass')
+mongouser = os.getenv('mongouser')
+mongoname = os.getenv('mongoname')
+
+uri = "mongodb+srv://" + \
+    mongouser + ":" + \
+    mongopass + "@" + \
+    mongoname + ".m697hfm.mongodb.net/?retryWrites=true&w=majority"
+
+client = MongoClient(uri, server_api=ServerApi('1'))
+
+db = client.pruebas_mongodb
+
+db.students.find().limit(3)
+
+print("-"*30)
+
+students = db.students.find().sort('name')
+for student in students:
+    print(student)
+
+print("-"*30)
+
+students = db.students.find().sort('name', -1)
+for student in students:
+    print(student)
+
+print("-"*30)
+
+students = db.students.find().sort('age')
+for student in students:
+    print(student)
+
+print("-"*30)
+
+students = db.students.find().sort('age', -1)
+for student in students:
+    print(student)
+
+print("-"*30)
+
+# New value
+
+query = {'age': 40}
+new_value = {'$set': {'age': 38}}
+
+db.students.update_one(query, new_value)
+# lets check the result if the age is modified
+for student in db.students.find():
+    print(student)
+
+
+app = Flask(__name__)
+if __name__ == '__main__':
+    # for deployment we use the environ
+    # to make it work for both production and development
+    port = int(os.environ.get("PORT", 5000))
+    app.run(debug=True, host='0.0.0.0', port=port)

30-days-of-python/27_Python_con_MongoDB/08_delete_doc.py

@@ -0,0 +1,46 @@
+"""
+Buscar en la base de datos con query
+"""
+
+from pymongo.mongo_client import MongoClient
+from pymongo.server_api import ServerApi
+from flask import Flask, render_template
+import os
+from dotenv import load_dotenv
+from bson.objectid import ObjectId
+
+load_dotenv()
+# variables .env
+mongopass = os.getenv('mongopass')
+mongouser = os.getenv('mongouser')
+mongoname = os.getenv('mongoname')
+
+uri = "mongodb+srv://" + \
+    mongouser + ":" + \
+    mongopass + "@" + \
+    mongoname + ".m697hfm.mongodb.net/?retryWrites=true&w=majority"
+
+client = MongoClient(uri, server_api=ServerApi('1'))
+
+db = client.pruebas_mongodb
+
+# Delete one document
+query = {'name': 'John'}
+db.students.delete_one(query)
+
+# Delete many documents
+for student in db.students.find():
+    print(student)
+
+for student in db.students.find():
+    print(student)
+
+# Drop collection
+db.students.drop()
+
+app = Flask(__name__)
+if __name__ == '__main__':
+    # for deployment we use the environ
+    # to make it work for both production and development
+    port = int(os.environ.get("PORT", 5000))
+    app.run(debug=True, host='0.0.0.0', port=port)

30-days-of-python/27_Python_con_MongoDB/README.md

@@ -6,4 +6,15 @@ Documento original en inglés: [Python with MondoDB](https://github.com/Asabeneh
 
 Repasar [ejemplos](https://github.com/Asabeneh/30-Days-Of-Python/blob/master/27_Day_Python_with_mongodb/27_python_with_mongodb.md)
 
+### Solución
+
+[01_proof_conection_mongo.py](01_proof_conection_mongo.py)
+[02_connect_flask_app.py](02_connect_flask_app.py)
+[03_create_db_collection.py](03_create_db_collection.py)
+[04_Insert_many_docs_collection.py](04_Insert_many_docs_collection.py)
+[05_find.py](05_find.py)
+[06_find_query.py](06_find_query.py)
+[07_find_more_opcions.py](07_find_more_opcions.py)
+[08_delete_doc.py](08_delete_doc.py)
+
 [<< Day 26](../26_Desarrollo_web_en_Python/README.md) | [Day 28 >>](../28_API/README.md)