Création, accès direct et en Python à une base SQLite

3646aee8 · Françoise Conil · 8d72a926 · 3646aee8 · 3646aee8 · 3646aee8
Commit 3646aee8 authored 2 years ago by Françoise Conil
--- a/basic-bd/acces_base_de_donnees.py
+++ b/basic-bd/acces_base_de_donnees.py
+from sqlalchemy.ext.declarative import declarative_base
+
+from sqlalchemy import create_engine
+from sqlalchemy.orm import scoped_session, sessionmaker
+from sqlalchemy import Column, Integer, String
+
+Base = declarative_base()
+
+template = f"""<!DOCTYPE html>
+<html lang="fr">
+  <head>
+    <meta charset="utf-8">
+    <title>Baskets Nike</title>
+  </head>
+  <body>
+    <h1>Liste des modèle Nike disponible</h1>
+    <h2>Le métier d'ingénieur</h2>
+    <p>Bonjour</p>
+    <ol>
+       <li>BAC L</li>
+       <li>BAC ES</li>
+       <li>BAC S</li>
+    <ol>
+    <p><img src="protocole-http.png"></p>
+  </body>
+</html>
+"""
+
+base = """<!DOCTYPE html>
+<html lang="fr">
+  <head>
+    <meta charset="utf-8">
+    <title>Baskets Nike</title>
+  </head>
+  <body>
+    <h1>Liste des modèle Nike disponibles</h1>"""
+
+fin = """</body>
+</html>
+"""
+
+class BasketNike(Base):
+    __tablename__ = 'nike'
+
+    id = Column(Integer, primary_key=True)
+    modele = Column(String)
+    couleur = Column(String)
+    image = Column(String)
+    stock = Column(Integer)
+
+    def __repr__(self):
+        return "{0} : modèle {1}, couleur {2}, stock {3}".format(
+            self.id,
+            self.modele,
+            self.couleur,
+            self.stock
+        )
+
+if __name__ == '__main__':
+    engine = create_engine("sqlite:///basket.db", echo=False)
+    DBSession = scoped_session(sessionmaker())
+    DBSession.configure(bind=engine, autoflush=False, expire_on_commit=False)
+
+    print(base)
+    for b in DBSession.query(BasketNike).all():
+        print(f"""<div>
+        <div id="modele">{b.modele}</div>
+        <div id="stock">couleur: {b.couleur}, stock: {b.stock}</div>
+        <div id="image_basket"><img src="./{b.image}"></div>
+        </div>
+        """)
+
+    print(fin)
--- a/basic-bd/basket.db
+++ b/basic-bd/basket.db
--- a/basic-bd/cree_basket_bd.md
+++ b/basic-bd/cree_basket_bd.md
+# Créer la base à partir d'instructions SQL
+
+```shell
+$ sqlite3 basket.db
+SQLite version 3.37.2 2022-01-06 13:25:41
+Enter ".help" for usage hints.
+sqlite> 
+```
+
+```sqlite
+sqlite> .read cree_basket_bd.sql
+sqlite> .tables
+nike
+sqlite> select * from nike;
+1|Nike air force 1|blanche|nike_air_force_1.jpeg|10
+2|Nike MK2 Tekno|bleue|nike_mk2_tekno.jpeg|5
+3|Nike Air Max Metallic|doré, argenté|nike_air_max_metallic.jpeg|2
+```
--- a/basic-bd/cree_basket_bd.sql
+++ b/basic-bd/cree_basket_bd.sql
+CREATE TABLE nike (id integer primary key autoincrement, modele text, couleur text, image text, stock integer default 0);
+INSERT INTO nike (modele, couleur, image, stock) values ("Nike air force 1", "blanche", "nike_air_force_1.jpeg", 10);
+INSERT INTO nike (modele, couleur, image, stock) values ("Nike MK2 Tekno", "bleue", "nike_mk2_tekno.jpeg", 5);
+INSERT INTO nike (modele, couleur, image, stock) values ("Nike Air Max Metallic", "doré, argenté", "nike_air_max_metallic.jpeg", 2);
--- a/basic-bd/requetes.sql
+++ b/basic-bd/requetes.sql
+.mode column
+.headers on
+
+CREATE TABLE nike (id integer primary key autoincrement, modele text, couleur text, image text, stock integer default 0);
+
+.schema
+
+INSERT INTO nike (modele, couleur, image, stock) values ("Nike air force 1", "blanche", "nike_air_force_1.jpeg", 10);
+INSERT INTO nike (modele, couleur, image, stock) values ("Nike MK2 Tekno", "bleue", "nike_mk2_tekno.jpeg", 5);
+INSERT INTO nike (modele, couleur, image, stock) values ("Nike Air Max Metallic", "doré, argenté", "nike_air_max_metallic.jpeg", 2);
+
+
+SELECT * FROM nike;
+
+SELECT * FROM nike where modele like "%air%";
+
+select DISTINCT modele from nike;
+
+select count(*) from nike;
--- a/requirements-dev.in
+++ b/requirements-dev.in
+-c requirements.txt
+ipython
+black
+flake8
+pytest
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
+#
+# This file is autogenerated by pip-compile with Python 3.10
+# by the following command:
+#
+#    pip-compile requirements-dev.in
+#
+asttokens==2.2.1
+    # via stack-data
+attrs==22.1.0
+    # via pytest
+backcall==0.2.0
+    # via ipython
+black==22.12.0
+    # via -r requirements-dev.in
+click==8.1.3
+    # via black
+decorator==5.1.1
+    # via ipython
+exceptiongroup==1.0.4
+    # via pytest
+executing==1.2.0
+    # via stack-data
+flake8==6.0.0
+    # via -r requirements-dev.in
+iniconfig==1.1.1
+    # via pytest
+ipython==8.7.0
+    # via -r requirements-dev.in
+jedi==0.18.2
+    # via ipython
+matplotlib-inline==0.1.6
+    # via ipython
+mccabe==0.7.0
+    # via flake8
+mypy-extensions==0.4.3
+    # via black
+packaging==22.0
+    # via
+    #   -c requirements.txt
+    #   pytest
+parso==0.8.3
+    # via jedi
+pathspec==0.10.3
+    # via black
+pexpect==4.8.0
+    # via ipython
+pickleshare==0.7.5
+    # via ipython
+platformdirs==2.6.0
+    # via black
+pluggy==1.0.0
+    # via pytest
+prompt-toolkit==3.0.36
+    # via ipython
+ptyprocess==0.7.0
+    # via pexpect
+pure-eval==0.2.2
+    # via stack-data
+pycodestyle==2.10.0
+    # via flake8
+pyflakes==3.0.1
+    # via flake8
+pygments==2.13.0
+    # via ipython
+pytest==7.2.0
+    # via -r requirements-dev.in
+six==1.16.0
+    # via
+    #   -c requirements.txt
+    #   asttokens
+stack-data==0.6.2
+    # via ipython
+tomli==2.0.1
+    # via
+    #   black
+    #   pytest
+traitlets==5.7.1
+    # via
+    #   ipython
+    #   matplotlib-inline
+wcwidth==0.2.5
+    # via prompt-toolkit
--- a/requirements.in
+++ b/requirements.in
+beautifulsoup4
+requests
+SQLAlchemy
+pandas
+matplotlib
--- a/requirements.txt
+++ b/requirements.txt
+#
+# This file is autogenerated by pip-compile with Python 3.10
+# by the following command:
+#
+#    pip-compile requirements.in
+#
+beautifulsoup4==4.11.1
+    # via -r requirements.in
+certifi==2022.12.7
+    # via requests
+charset-normalizer==2.1.1
+    # via requests
+contourpy==1.0.6
+    # via matplotlib
+cycler==0.11.0
+    # via matplotlib
+fonttools==4.38.0
+    # via matplotlib
+greenlet==2.0.1
+    # via sqlalchemy
+idna==3.4
+    # via requests
+kiwisolver==1.4.4
+    # via matplotlib
+matplotlib==3.6.2
+    # via -r requirements.in
+numpy==1.23.5
+    # via
+    #   contourpy
+    #   matplotlib
+    #   pandas
+packaging==22.0
+    # via matplotlib
+pandas==1.5.2
+    # via -r requirements.in
+pillow==9.3.0
+    # via matplotlib
+pyparsing==3.0.9
+    # via matplotlib
+python-dateutil==2.8.2
+    # via
+    #   matplotlib
+    #   pandas
+pytz==2022.6
+    # via pandas
+requests==2.28.1
+    # via -r requirements.in
+six==1.16.0
+    # via python-dateutil
+soupsieve==2.3.2.post1
+    # via beautifulsoup4
+sqlalchemy==1.4.45
+    # via -r requirements.in
+urllib3==1.26.13
+    # via requests