uploading draft examples

Author: iansedano

subprocess/basics_unix.py

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+import subprocess
+
+# LINUX examples
+
+subprocess.run("ls")
+subprocess.run("bash ls")
+subprocess.run(["bash", "ls"])
+subprocess.run(["sh", "ls"])
+subprocess.run(["zsh", "ls"])
+subprocess.run(["ls"])
+
+subprocess.run("python helloworld.py")

subprocess/basics_win.py

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+import subprocess
+
+# https://docs.microsoft.com/en-us/windows-server/administration/windows-commands/cmd
+subprocess.run("cmd /c dir")
+subprocess.run("dir", shell=True)  # COMSPEC env variable
+subprocess.run(["cmd.exe /c dir"])
+
+# https://docs.microsoft.com/en-us/powershell/module/microsoft.powershell.core/about/about_pwsh?view=powershell-7.2
+subprocess.run(["powershell", "-Command", "ls"])
+subprocess.run(["pwsh", "-Command", "ls"])
+subprocess.run(["python", "helloworld.py"])

subprocess/choice_react.py

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+from time import sleep, time
+from random import random
+from string import ascii_lowercase
+
+
+print(
+    "A letter will appear on screen after a random amount of time,\n"
+    + "when it appears, type the letter as fast as possible and then press enter\n"
+)
+print("Press enter when you are ready")
+input()
+print("Ok, get ready!")
+sleep(random() * 5 + 2)
+target_letter = ascii_lowercase[int(random() * 26)]
+print(f"=====\n= {target_letter} =\n=====\n")
+
+start = time()
+while True:
+    if input() == target_letter:
+        break
+    else:
+        print("Nope! Try again.")
+end = time()
+
+print(f"You reacted in {end - start} seconds!\nGoodbye!")

subprocess/create_new_project.py

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+import subprocess
+import os
+from pathlib import Path, PurePath
+import venv
+
+
+def create_new_project(name):
+
+    project_folder = PurePath.joinpath(Path.cwd(), name)
+    project_folder.mkdir()
+    os.chdir(
+        project_folder
+    )  # Should change to call git with -C flag which would mean that this line would not be needed
+    project_folder.joinpath("README.md").touch()
+    project_folder.joinpath(".gitignore").touch()
+    with open(".gitignore", mode="w") as f:
+        f.write("\n".join(["venv", "__pycache__"]))
+    venv.create("venv", system_site_packages=True, with_pip=True)
+    subprocess.run(["git", "init"])
+    subprocess.run(["git", "add", "."])
+    subprocess.run(["git", "commit", "-m", "first commit"])
+
+    # Activating venv? Would need access to parent process of Python?
+
+
+if __name__ == "__main__":
+    create_new_project("test")

subprocess/exiter.py

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+import sys
+
+sys.exit(1)

subprocess/random_num_gen.py

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+from random import random
+
+print(int(random() * 1000))

subprocess/random_num_gen_check_output.py

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+import subprocess
+
+print(subprocess.check_output(["python", "random_num_gen.py"]).strip())

subprocess/shlex_example.py

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+import shlex
+
+print(shlex.split("git commit -m 'first commit'"))

subprocess/simple_react.py

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+from time import sleep, time
+from random import random
+
+print("Press enter to play")
+input()
+print("Ok, get ready!")
+sleep(random() * 5 + 1)
+print("go!")
+start = time()
+input()
+end = time()
+print(f"You reacted in {end - start} seconds!\nGoodbye!")

subprocess/simple_react_perf.py

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+from time import sleep, perf_counter
+from random import random
+
+print("Press enter to play")
+input()
+print("Ok, get ready!")
+sleep(random() * 5 + 1)
+print("go!")
+start = perf_counter()
+input()
+end = perf_counter()
+print(f"You reacted in {end - start} seconds!\nGoodbye!")