From a9a759fda3a986ddf64080600356186144e8658e Mon Sep 17 00:00:00 2001
From: ChevrierVincent <chevrier6@univ-lorraine.fr>
Date: Wed, 15 Feb 2023 17:24:05 +0100
Subject: [PATCH] maj code web service
---
TP3/app1/basis.py | 61 +++++++++++++++
TP3/app1/requests1.html | 23 ++++++
TP3/{askex1.py => askT1.py} | 0
TP3/{appli1.py => client1.py} | 7 +-
TP3/{askservice1.py => clientT2.py} | 0
TP3/{askservice1j.py => clientT2json.py} | 0
TP3/{asksarg.py => clientT3.py} | 0
TP3/{docu.md => forStudents.md} | 95 ++++++++++++++----------
TP3/servershutdown.py | 2 +-
TP3/service0Nonlovcal.py | 16 ----
TP3/{exemple1.py => serviceT1.py} | 3 +-
TP3/{service1.py => serviceT2.py} | 0
TP3/{service1j.py => serviceT2json.py} | 0
TP3/{arguement.py => serviceT3.py} | 0
TP3/{service3.py => serviceT4.py} | 0
15 files changed, 147 insertions(+), 60 deletions(-)
create mode 100644 TP3/app1/basis.py
create mode 100644 TP3/app1/requests1.html
rename TP3/{askex1.py => askT1.py} (100%)
rename TP3/{appli1.py => client1.py} (87%)
rename TP3/{askservice1.py => clientT2.py} (100%)
rename TP3/{askservice1j.py => clientT2json.py} (100%)
rename TP3/{asksarg.py => clientT3.py} (100%)
rename TP3/{docu.md => forStudents.md} (51%)
delete mode 100644 TP3/service0Nonlovcal.py
rename TP3/{exemple1.py => serviceT1.py} (95%)
rename TP3/{service1.py => serviceT2.py} (100%)
rename TP3/{service1j.py => serviceT2json.py} (100%)
rename TP3/{arguement.py => serviceT3.py} (100%)
rename TP3/{service3.py => serviceT4.py} (100%)
diff --git a/TP3/app1/basis.py b/TP3/app1/basis.py
new file mode 100644
index 0000000..592dae8
--- /dev/null
+++ b/TP3/app1/basis.py
@@ -0,0 +1,61 @@
+
+from flask import Flask, jsonify, request, url_for
+
+app = Flask(__name__)
+
+# define some data
+
+data = [
+ {
+ 'id': 1,
+ 'name': 'motor async',
+ 'description': 'Ma bioutifoul motor with plein de puissance',
+ 'done': False
+ },
+ {
+ 'id': 2,
+ 'title': 'PV pannel',
+ 'description': 'provide you nice power',
+ 'power': 1000
+ }
+]
+
+
+
+@app.route('/data', methods=['GET'])
+def get_tasks():
+ return jsonify({'data': data})
+
+@app.route('/dataSole', methods=['GET'])
+def requete():
+ args = request.args
+ print ("print info",args) # For debugging
+ return "yes"
+
+@app.route('/query-example')
+def query_example():
+ # if key doesn't exist, returns None
+ language = request.args.get('language')
+ a =request.args.get('a')
+
+ return '''<h1>The language value is: {} et a est {}</h1>'''.format(language,a)
+
+
+@app.route('/qa-example2',methods=['GET','POST'])
+def qa_example():
+ if request.method == 'POST':
+ return "c'est un post"
+ else:
+ language = request.args.get('language')
+ a = request.args.get('a')
+ return '''<h1>The language value is: {} et a est {}</h1>'''.format(language, a)
+
+
+@app.route('/')
+def index():
+ return "this is the base page for my bioutifoul app !\p" + \
+ "<p>test page racine. connexion sur http://127.0.0.1:5000/ <a href=\"http://127.0.0.1:5000\">Lelien attention ça boucle</a>" + \
+ "\n url pour requete"+str(url_for('requete'))
+
+
+app.run(debug=True)
\ No newline at end of file
diff --git a/TP3/app1/requests1.html b/TP3/app1/requests1.html
new file mode 100644
index 0000000..c1b941b
--- /dev/null
+++ b/TP3/app1/requests1.html
@@ -0,0 +1,23 @@
+<!DOCTYPE html>
+<html lang="en">
+<head>
+ <meta charset="UTF-8">
+ <title>test des serveur</title>
+</head>
+<body>
+
+
+<p>test page racine. connexion sur http://127.0.0.1:5000/ <a href="http://127.0.0.1:5000/">Lelien</a> ?<br/>
+</p>
+
+<p> connexion sur date http://127.0.0.1:5000/ <a href="http://127.0.0.1:5000/data">Lelien2</a> ?<br/>
+</p>
+
+<p> test args http://127.0.0.1:5000/ <a href="http://127.0.0.1:5000/dataSole?a=4&c=34">Lelien3</a> ?<br/>
+</p>
+<p> test args http://127.0.0.1:5000/ <a href="http://127.0.0.1:5000/query-example?a=4&c=34&language=python">Lelien4</a> ?<br/>
+</p>
+<p> test args + get http://127.0.0.1:5000/ <a href="http://127.0.0.1:5000/query-example2?a=4&c=34&language=pythonjava">Lelien5</a> ?<br/>
+</p>
+</body>
+</html>
\ No newline at end of file
diff --git a/TP3/askex1.py b/TP3/askT1.py
similarity index 100%
rename from TP3/askex1.py
rename to TP3/askT1.py
diff --git a/TP3/appli1.py b/TP3/client1.py
similarity index 87%
rename from TP3/appli1.py
rename to TP3/client1.py
index 19436db..a778a62 100644
--- a/TP3/appli1.py
+++ b/TP3/client1.py
@@ -1,4 +1,4 @@
-
+""" how to ask in python a web service """
# see https://openweathermap.org/api
# what is possible : https://openweathermap.org/price#weather
@@ -37,8 +37,9 @@ print(answer.text)
-# exo 1
-requestSol=requestTxt+"&lang=fr"
+# solution to exo 1
+requestSol=requestTxt+"&lang=fr"+"&mode=xml"
+print (requestSol)
answer=requests.get(requestSol)
print("sol",answer.text)
diff --git a/TP3/askservice1.py b/TP3/clientT2.py
similarity index 100%
rename from TP3/askservice1.py
rename to TP3/clientT2.py
diff --git a/TP3/askservice1j.py b/TP3/clientT2json.py
similarity index 100%
rename from TP3/askservice1j.py
rename to TP3/clientT2json.py
diff --git a/TP3/asksarg.py b/TP3/clientT3.py
similarity index 100%
rename from TP3/asksarg.py
rename to TP3/clientT3.py
diff --git a/TP3/docu.md b/TP3/forStudents.md
similarity index 51%
rename from TP3/docu.md
rename to TP3/forStudents.md
index a564efc..075cc99 100644
--- a/TP3/docu.md
+++ b/TP3/forStudents.md
@@ -1,22 +1,24 @@
# Documentation for the examples
-*V Chevrier Dec 21*
+*V Chevrier Nov 22*
## What to know
-In python, use of **requests** package that enables call to web service (as html addresses do)
-and use of **flask** package for web services.
+In python, use of **requests** package that enables call to web service (as html addresses do) -->client side
+and use of **flask** package for web services ---> server side
-## Examples Client side
-### File appli1.py
+
+## Examples
+
+### File client1.py
Simple call to a distant web service : ask for weather in Nancy
see https://openweathermap.org/current#geo for more information
-#### Questions
+* Questions
-- Explain why we need to write ***print(answer.text)***
-- what means the string output format ?
-#### Exercise:
+ * Explain why we need to write ***print(answer.text)***
+ * what means the string output format ?
+* Exercises:
1. Change response format to XML, the language as French
2. learn how to ask for weather forecast (with free version)
@@ -24,56 +26,70 @@ see https://openweathermap.org/current#geo for more information
https://api.openweathermap.org/data/2.5/weather?lat=35&lon=139&appid=a2cabf37326f4cf77d2948c17c62705a
4. Explain how to pass parameters to a web service
-#### API reference
+**API reference**
[https://openweathermap.org/api](https://openweathermap.org/price#weather)
have a look on it to learn what is **possible** and how
1. all requests need an id
2. there is a limit on the number of requests each day
-## Examples: learn how to define services (and how to call them)
+## Examples server and client : learn how to define services (and how to call them from python client)
+
+### A) serviceT1 (clientT1)
+***Lessons learned*** how to define a server and two services
+definition of 2 services on the server
+- one at root basic service (just returns a string)
+- one called *bonjour* that takes a ***nom*** as param and say bonjour to nom if exists
+
+
+
+### B) serviceT2 / serviceT2json (and cleinetT2/clientT2json)
+***Lessons learned*** use of *external* code in services and the use of JSON format
+
+
+T2 Simple service to show that returned value can change over time
+The returned values are as **text** format.
+
+T2j
+Simple service to show that returned value can change over time.
+The returned values are as **json** format.
+
+In client
+ - How is managed the json format?
+ - Can you see an advantage to use it?
-### A) exemple1 (and askex1)
-basic service (just returns a string) and code for requests
+### B) serviceT3 (and clientT3)
-### B) argument.py / askarg.py
-A server to illustrate the use of arguments.
+***Lessons learned*** use of arguments in services
Services :
-- service0
+- service0
Shows how to build a simple service that
- gets the parameters and their values
- returns them as a list of couple ou value
-
+
The returned values are as text format.
-- exemple3
- How to get the value of a parameter
-
- Note that the parameter are in Json format
+- exemple3
+ How to get the value of a parameter ***valeur**
+
+ Note that the parameter are in Json format but ....
What is the type of the values we get ??
-
- - exemple 4 et exemple5 shows how to get typed values
-
-### C) service1.py/askservice1.py
-Simple service to show that returned value can change over time
-The returned values are as **text** format.
+ - exemple 4 et exemple5 shows how to get typed values if params are in JSON
+
+Exercices: code the client for the services not treated in example file.
-### C') service1j.py/askservice1j.py
-Simple service to show that returned value can change over time.
-The returned values are as **json** format.
-In askservice1 client
- - How is managed the json format?
- - Can you see an advantage to use it?
-### service3.py
+### serviceT4.py
Use of global variables
+Exercice: code the client
+
-## More interesting
-### The shutdown problem
-When the server is running it uses a givent port on the machine and forbids another server to be run.
+##More interesting
+### The shutdown problem (ServerShutDown.py)
+When the server is running it uses a givent port on the machine and forbids another server to be run. If python ends improperly, the port can be "blocked".
According to your programmig environment, it can be very difficult to shutdown/kill the server.
@@ -83,6 +99,7 @@ The file ***servershutdown.py*** shows how to integrate a shutdown service in th
serverNonLocal.py illustates how to have a non local server
-Shows how to build a server with several services
+### Misc
-See how the root return results as html
+app1 directory :
+# See how toreturn results as html/use html to ask for services (just core ideas )
diff --git a/TP3/servershutdown.py b/TP3/servershutdown.py
index d06651d..200ac90 100644
--- a/TP3/servershutdown.py
+++ b/TP3/servershutdown.py
@@ -17,7 +17,7 @@ def shutdown():
return 'Server shutting down...'
-@app.route('/service0') # l'adresse sera service0 sur le serveur, le code en dessous sera la fonction appelée
+@app.route('/service0') # un service peu importe lequele
def requete():
args = request.args
print ("print info",args.values(),args.keys(),args.items()) # For debugging
diff --git a/TP3/service0Nonlovcal.py b/TP3/service0Nonlovcal.py
deleted file mode 100644
index 37fc74c..0000000
--- a/TP3/service0Nonlovcal.py
+++ /dev/null
@@ -1,16 +0,0 @@
-
-from flask import Flask, request # on importe le necessaire
-
-app = Flask(__name__) # notre appli
-
-@app.route('/service0') # l'adresse sera service0 sur le serveur, le code en dessous sera la fonction appelée
-def requete():
- args = request.args
- print ("print info",args.values(),args.keys(),args.items()) # For debugging
- rep=""
- for k,v in args.items():
- print (k,v)
- rep+="("+k+","+v+")"
- return rep
-# http://127.0.0.1:5000/service0?a=4&c=34 # exemple de texte à saisir dans un navigateur
-app.run(debug=True)
\ No newline at end of file
diff --git a/TP3/exemple1.py b/TP3/serviceT1.py
similarity index 95%
rename from TP3/exemple1.py
rename to TP3/serviceT1.py
index 100136d..1354081 100644
--- a/TP3/exemple1.py
+++ b/TP3/serviceT1.py
@@ -16,8 +16,9 @@ def dire_bonjour():
nom='inconnu'
return 'bonjour '+nom
+
#exemple de requete
#http://127.0.0.1:5000/
#http://127.0.0.1:5000/bonjour
#http://127.0.0.1:5000/bonjour?nom=vincent
-app.run(debug=True)
\ No newline at end of file
+app.run(debug=True)
diff --git a/TP3/service1.py b/TP3/serviceT2.py
similarity index 100%
rename from TP3/service1.py
rename to TP3/serviceT2.py
diff --git a/TP3/service1j.py b/TP3/serviceT2json.py
similarity index 100%
rename from TP3/service1j.py
rename to TP3/serviceT2json.py
diff --git a/TP3/arguement.py b/TP3/serviceT3.py
similarity index 100%
rename from TP3/arguement.py
rename to TP3/serviceT3.py
diff --git a/TP3/service3.py b/TP3/serviceT4.py
similarity index 100%
rename from TP3/service3.py
rename to TP3/serviceT4.py
--
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