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--- язык_программирования_python [2025/06/12 05:46]
val [FastAPI Uvicorn]
+++ язык_программирования_python [2025/07/08 09:53] (current)
val
@@ Line 1: / Line 1: @@
 ====== Язык программирования Python ======
-  * [[https://habr.com/ru/articles/750312/|Python декораторы на максималках. Универсальный рецепт по написанию и аннотированию от мала до велика]]
+  * [[https://habr.com/ru/articles/277679/|Пишем shell скрипты на Python и можно ли заменить им Bash]]
 ===== Виртуальная среда Python =====
   * [[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://packaging.python.org/en/latest/guides/installing-using-pip-and-virtual-environments/|Install packages in a virtual environment using pip and venv]]
   * [[https://habr.com/ru/articles/593529/|Poetry — прекрасная альтернатива pip (шпаргалка)]]
+  * [[https://habr.com/ru/articles/828016/|UV. Обзор пакетного менеджера Python]]
 <code>
@@ Line 25: / Line 25: @@
-===== Интерактивная оболочка =====
+===== Интерактивная оболочка REPL (Read-Eval-Print Loop) =====
+<code>
+(venv1) # python
+</code>
+  * [[https://ru.wikipedia.org/wiki/IPython]]
 <code>
 (venv1) # pip install ipython
 </code>
+  * [[https://jupyter.org/try-jupyter/notebooks/?path=notebooks/Intro.ipynb|try-jupyter/notebooks]]
+  * [[https://matplotlib.org/stable/tutorials/pyplot.html|Pyplot tutorial]]
 ===== Web приложение =====
@@ Line 36: / Line 46: @@
   * [[#Виртуальная среда Python]]
+  * [[https://habr.com/ru/articles/750312/|Python декораторы на максималках. Универсальный рецепт по написанию и аннотированию от мала до велика]]
   * [[https://www.workroom-productions.com/serving-a-directory-with-flask/|Publishing a Directory with Flask]]
@@ Line 116: / Line 128: @@
 server# ###docker run -ti --rm --name pywebd2 python:3.11-alpine sh
-/ # pip install poetry
+/ # ### pip install poetry
+server# apt install python3-poetry; export PYTHON_KEYRING_BACKEND=keyring.backends.null.Keyring #https://stackoverflow.com/questions/74438817/poetry-failed-to-unlock-the-collection
 / # poetry new pywebd2
@@ Line 122: / Line 136: @@
 / # cd pywebd2
-/pywebd2 # poetry add fastapi dotenv uvicorn
+/pywebd2 # poetry add fastapi dotenv uvicorn ###gunicorn
 /pywebd2 # more pyproject.toml
@@ Line 131: / Line 145: @@
 from dotenv import load_dotenv
 import os
+CONST_VER = "ver1.1"
+hostname = os.uname().nodename
 load_dotenv()
@@ Line 138: / Line 155: @@
 @app.get("/")
 async def home():
-   return {"data": pywebd_message}
+   return {"data": f"{pywebd_message} from {hostname} app {CONST_VER}"}
 if __name__ == "__main__":
     import uvicorn
     uvicorn.run(app, host="0.0.0.0", port=8000)
 </code><code>
-# cat .env
+/pywebd2 # cat .env
 </code><code>
 PYWEBD_MESSAGE="Hello World!!!"
+</code>
+  * [[https://tproger.ru/articles/testiruem-na-python-unittest-i-pytest-instrukcija-dlja-nachinajushhih|Тестируем на Python: unittest и pytest. Инструкция для начинающих]]
+  * [[https://habr.com/ru/articles/349860/|Регулярные выражения в Python от простого к сложному. Подробности, примеры, картинки, упражнения]]
+  * [[https://regex101.com/|Online Regular expression tester with syntax highlighting]]
+<code>
+/pywebd2 # cat tests/test_ver_format.py
 </code><code>
-/pywebd2 # ###export PYWEBD_MESSAGE="Another message"
+import app, re
+assert re.match(r'^ver\d+\.\d+$', app.CONST_VER),"Incorrect VER format"
+</code><code>
+/pywebd2 # poetry run python3 -m unittest
+/pywebd2 # #export PYWEBD_MESSAGE="Another message"
 /pywebd2 # poetry run python3 app.py
@@ Line 154: / Line 186: @@
 /pywebd2 # poetry run uvicorn app:app --reload --host 0.0.0.0 --port 4080
 </code>
-===== CRUD Rest API приложение =====
+  * [[https://github.com/benoitc/gunicorn/issues/2154|TypeError: __call__() missing 1 required positional argument: 'send']]
+<code>
+/pywebd2 # ###poetry run gunicorn app:app --bind 0.0.0.0:6080 -k uvicorn.workers.UvicornWorker
+</code>
+===== Zabbix LLD 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]]
+  * [[https://askubuntu.com/questions/244378/running-python-file-in-terminal|Running Python File in Terminal]]
+  * [[https://pythonworld.ru/moduli/modul-subprocess.html|Модуль subprocess]]
+  * [[https://habr.com/ru/articles/488112/|Понимание итераторов в Python]]
+  * [[https://www.geeksforgeeks.org/python-find-dictionary-matching-value-in-list/|Find dictionary matching value in list - Python]]
+  * [[https://docs-python.ru/tutorial/vstroennye-funktsii-interpretatora-python/funktsija-next/|Функция next() в Python, следующий элемент итератора]]
+==== Пример 1 ====
+<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)
+#print (o)
+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>
+==== Пример 2 ====
+<code>
+# cat /usr/local/bin/asterisk.chansip.discovery.py
+</code><code>
+#!/usr/bin/env python3
+import subprocess, io, json
+result=[]
+proc = subprocess.Popen('/usr/sbin/asterisk -x "sip show users" | tail -n +2 | cut -d" " -f1', stdout=subprocess.PIPE, shell=True)
+for line in io.TextIOWrapper(proc.stdout, encoding="utf-8"):
+  #print(line.rstrip())
+  s={}
+  s["{#CHANNAME}"]="SIP/"+line.rstrip()
+  result.insert(1,s)
+print(json.dumps(result))
+</code>
+Вариант от DeepSeek
+<code>
+# cat /usr/local/bin/asterisk.chansip.discovery.ds.py
+</code><code>
+#!/usr/bin/env python3
+import subprocess
+import json
+# Запускаем команду и сразу получаем вывод
+output = subprocess.check_output(
+    '/usr/sbin/asterisk -x "sip show users" | tail -n +2 | cut -d" " -f1',
+    shell=True,
+    text=True
+)
+# Формируем список словарей в одну строку
+result = [{"{#CHANNAME}": f"SIP/{line.strip()}"} for line in output.splitlines() if line.strip()]
+# Выводим результат в формате JSON
+print(json.dumps(result))
+</code>
 ===== Zabbix API приложение =====
@@ Line 236: / Line 356: @@
 </code>
-===== Zabbix LLD приложение =====
-  * [[https://www.geeksforgeeks.org/python-find-dictionary-matching-value-in-list/]]
+===== CRUD Rest API приложение =====
-  * [[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
+  * [[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]]
-</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 =====

Методические материалы Лохтурова Вячеслава

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