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--- язык_программирования_python [2024/12/02 09:11]
val [Web приложение]
+++ язык_программирования_python [2025/05/27 11:53] (current)
val
@@ Line 4: / Line 4: @@
   * [[https://blog.sedicomm.com/2021/06/29/chto-takoe-venv-i-virtualenv-v-python-i-kak-ih-ispolzovat/|Что такое venv и virtualenv в Python, и как их использовать]]
   * [[https://packaging.python.org/en/latest/guides/installing-using-pip-and-virtual-environments/|https://packaging.python.org/en/latest/guides/installing-using-pip-and-virtual-environments/]]
+  * [[https://www.workroom-productions.com/serving-a-directory-with-flask/|Publishing a Directory with Flask]]
 <code>
@@ Line 18: / Line 19: @@
 </code>
+===== Интерактивная оболочка =====
+<code>
+(venv1) # pip install ipython
+</code>
 ===== Web приложение =====
   * [[https://python.ivan-shamaev.ru/run-install-deploy-flask-web-app-docker-dockerfile-compose/|Создание Web-приложения Flask и деплой с помощью Docker Compose & Dockerfile]]
   * [[https://blog.miguelgrinberg.com/post/running-your-flask-application-over-https|Running Your Flask Application Over HTTPS]]
+  * [[https://docs.python.org/3/library/configparser.html|configparser — Configuration file parser]]
   * [[#Виртуальная среда Python]]
@@ Line 32: / Line 39: @@
 (venv1) :~/pywebd$ cat app.py
 </code><code>
-from flask import Flask
+from flask import Flask, send_from_directory
+import os
-CONST_VER = "ver1.1"
+import configparser
-import socket
-hostname = socket.gethostname()
 app = Flask(__name__)
 @app.route('/')
-def home():
+def index():
-    return '<h3>Hello world from pywebd on host ' + hostname + ' ' + CONST_VER + '</h3>'
+   return send_from_directory(pywebd_doc_root, 'index.html')
+@app.route('/<path:path>')
+def sendstuff(path):
+        print(path)
+        return send_from_directory(pywebd_doc_root, path)
 if __name__ == "__main__":
-    app.run(debug=True, host='0.0.0.0', port=8080)
+    config = configparser.ConfigParser()
+    config.read('/etc/pywebd/pywebd.conf')
+#    pywebd_port = os.environ.get('PYWEBD_PORT',config['default']['Listen'])
+#    pywebd_doc_root = os.environ.get('PYWEBD_DOC_ROOT',config['default']['DocumentRoot'])
+    if 'PYWEBD_PORT' in os.environ:
+      pywebd_port = os.environ.get('PYWEBD_PORT')
+    else:
+      pywebd_port = config['default']['Listen']
+    if 'PYWEBD_DOC_ROOT' in os.environ:
+      pywebd_doc_root = os.environ.get('PYWEBD_DOC_ROOT')
+    else:
+       pywebd_doc_root = config['default']['DocumentRoot']
+    app.run(host="0.0.0.0", port=pywebd_port, debug=True)
+#    app.run(ssl_context=('/etc/pywebd/pywebd.crt', '/etc/pywebd/pywebd.key'), debug=True, host='0.0.0.0', port=pywebd_port)
 </code><code>
+# mkdir -p /etc/pywebd/
+# cat /etc/pywebd/pywebd.conf
+</code><code>
+[default]
+DocumentRoot = /var/www/
+Listen = 4080
+</code><code>
+# #cp /root/wild.crt /etc/pywebd/pywebd.crt
+# #cp /root/wild.key /etc/pywebd/pywebd.key
+</code>
+  * [[Средства программирования shell#Ресурсы Web сервера на shell]]
+<code>
+(venv1) :~/pywebd$ #export PYWEBD_PORT=4443
+(venv1) :~/pywebd$ #export PYWEBD_DOC_ROOT=/var/www/html/
+(venv1) :~/pywebd$ #PYWEBD_PORT=4443 PYWEBD_DOC_ROOT=/var/www/html/ python app.py
 (venv1) :~/pywebd$ python app.py
-(venv1) :~/pywebd$ pip freeze > requirements.txt
+(venv1) :~/pywebd$ pip freeze | tee requirements.txt
+</code>
+===== CRUD Rest API приложение =====
+  * [[https://dev.to/francescoxx/python-crud-rest-api-using-flask-sqlalchemy-postgres-docker-docker-compose-3kh4|Python CRUD Rest API using Flask, SQLAlchemy, Postgres, Docker, Docker Compose]]
+===== Zabbix API приложение =====
+  * [[https://www.zabbix.com/documentation/current/en/manual/api]]
+  * [[https://sbcode.net/zabbix/zabbix-api-python-example/]]
+  * [[https://forum.checkmk.com/t/rest-api-python-question-how-to-use-variables-in-json-post-in-key-and-value/34652]]
+<code>
+(venv1) server:~# pip install requests
+(venv1) server:~# cat zab_set_map_name.py
+</code><code>
+#!/usr/bin/env python3
+import requests
+import json
+from sys import argv
+if len(argv) != 3 :
+    print("You must set argument!!!\nExample: python zab_set_map_name.py 2 \"ISP 1\"")
+    quit()
+MAPID = argv[1]
+MAPNAME = argv[2]
+ZABBIX_API_URL = "http://127.0.0.1/zabbix/api_jsonrpc.php"
+UNAME = "Admin"
+PWORD = "zabbix"
+print("\nLogin user {} to Zabbiz API".format(UNAME))
+r = requests.post(ZABBIX_API_URL,
+                  json={
+                      "jsonrpc": "2.0",
+                      "method": "user.login",
+                      "params": {
+                          "username": UNAME,
+                          "password": PWORD},
+                      "id": 1
+                  })
+print(json.dumps(r.json(), indent=4, sort_keys=True))
+AUTHTOKEN = r.json()["result"]
+#print("Rename Map with ID", MAPID, "to", MAPNAME)
+print(f"Rename Map with ID {MAPID} to {MAPNAME}")
+r = requests.post(ZABBIX_API_URL,
+                  headers={'Authorization': 'Bearer ' + AUTHTOKEN},
+                  json={
+                    "jsonrpc": "2.0",
+                    "method": "map.update",
+                    "params": {
+                        "sysmapid": MAPID,
+                        "name": MAPNAME
+                    },
+                    "id": 2
+                  })
+print(json.dumps(r.json(), indent=4, sort_keys=True))
+print("\nLogout user")
+r = requests.post(ZABBIX_API_URL,
+                  headers={'Authorization': 'Bearer ' + AUTHTOKEN},
+                  json={
+                      "jsonrpc": "2.0",
+                      "method": "user.logout",
+                      "params": {},
+                      "id": 2,
+                  })
+print(json.dumps(r.json(), indent=4, sort_keys=True))
+</code><code>
+(venv1) server:~# chmod +x zab_set_map_name.py
+(venv1) server:~# ./zab_set_map_name.py 2 "ISP 1"
+</code>
+===== Zabbix LLD приложение =====
+  * [[https://www.geeksforgeeks.org/python-find-dictionary-matching-value-in-list/]]
+  * [[https://docs-python.ru/tutorial/vstroennye-funktsii-interpretatora-python/funktsija-next/]]
+<code>
+gate# apt install python3-xmltodict/stable
+gate# cat /etc/zabbix/dhcp-pools.py
+</code><code>
+#!/usr/bin/env python3
+# Example usage:
+# ./dhcp-pools.py
+# ./dhcp-pools.py LAN1 defined|used
+from sys import argv
+import subprocess, xmltodict, json
+p = subprocess.Popen("/usr/bin/dhcpd-pools -f x", stdout=subprocess.PIPE, shell=True)
+(output, err) = p.communicate()
+p_status = p.wait()
+o = xmltodict.parse(output)
+if len(argv)==1:
+  r=[]
+  for i in o['dhcpstatus']['shared-network']:
+    s={}
+    s["{#POOLNAME}"]=i['location']
+    r.insert(1,s)
+  print(json.dumps(r))
+else:
+  LANNAME=argv[1]
+  USDEF=argv[2]
+  res = next((sub for sub in o['dhcpstatus']['shared-network'] if sub['location'] == LANNAME), None)
+  print(res[USDEF])
 </code>
 ===== Дополнительные материалы =====
+  * [[https://pypi.org/project/ansible-output-parser/]]
+  * [[https://www.cyberciti.biz/faq/python-run-external-command-and-get-output/]]
 ==== Доступ к каталогу по http ====
@@ Line 63: / Line 229: @@
 </code>
+==== Черновик ====

Методические материалы Лохтурова Вячеслава

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