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master
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24-decorat
Author | SHA1 | Date | |
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d457cbacc2 | |||
1fcc6cd926 | |||
7c48004aaa |
3
.gitignore
vendored
3
.gitignore
vendored
@ -1,4 +1,5 @@
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__pycache__
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.vscode
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devenv
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your_system_information.txt
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your_system_information.txt
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*.db
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43
decorators.py
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43
decorators.py
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from functools import wraps
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installed_packages = []
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def install_package(pkg):
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if pkg not in installed_packages:
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installed_packages.append(pkg)
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print(f"Installed: {pkg}")
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else:
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print(f"Already installed: {pkg}")
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def needs_packages(packages):
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def inner_decorator(function):
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@wraps(function)
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def execution_wrapper(*args, **kwargs):
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[install_package(package) for package in packages]
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return function(*args, **kwargs)
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return execution_wrapper
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return inner_decorator
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@needs_packages(['vim', 'calc'])
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def add(z1, z2):
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return z1 + z2
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@needs_packages(['calc', 'sed'])
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def sub(z1, z2):
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return z1 - z2
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@needs_packages(['calc'])
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def bla(z1, z2):
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return z1 / z2
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print(add(1, 2))
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print(sub(1, 2))
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print(bla(1, 2))
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61
modules/pkg-lister/__init__.py
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61
modules/pkg-lister/__init__.py
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@ -0,0 +1,61 @@
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import argparse
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import sqlite3
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import subprocess
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# cmd = """dpkg-query -f '\{"package": "${Package}", "version": "${Version}", "arch": "${Architecture}", "source": "${Source}", "desc": "${binary:Synopsis}"\}\\n' -W"""
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cmd = """dpkg-query -f '${Package}\\t${Version}\\t${Architecture}\\t${Source}\\t${binary:Synopsis}\\n' -W"""
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db = sqlite3.connect("pkg-list.db")
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cur = db.cursor()
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parser = argparse.ArgumentParser()
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parser.add_argument("-s", "--search")
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args = parser.parse_args()
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def load_list():
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global cur
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cur.execute("DROP TABLE IF EXISTS Packages")
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cur.execute(
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"""CREATE TABLE
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Packages(
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pkg TEXT PRIMARY KEY,
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version TEXT NOT NULL,
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architecture TEXT NOT NULL,
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parent TEXT,
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description TEXT NOT NULL
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)"""
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)
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packages = subprocess.check_output(cmd, shell=True).decode("UTF-8")
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for line in packages.splitlines():
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name, version, arch, source, desc = line.split("\t")
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cur.execute(
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"INSERT OR REPLACE INTO Packages VALUES (?,?,?,?,?)",
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(name, version, arch, source, desc)
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)
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db.commit()
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def list_packages():
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global cur
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results = cur.execute("SELECT * FROM Packages")
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for res in results.fetchall():
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print(res)
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def is_installed(pkg):
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global cur
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results = cur.execute("SELECT version FROM Packages WHERE pkg = ?", (pkg,))
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return len(results.fetchall()) > 0
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def what_does(pkg):
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global cur
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results = cur.execute("SELECT description FROM Packages WHERE pkg = ?", (pkg,)).fetchone()
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return results[0] if results and len(results) > 0 else "Package was not found"
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load_list()
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# list_packages()
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# print(is_installed("sed"))
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print(f"{args.search} is installed") if is_installed(args.search) else print(f"{args.search} is not installed")
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