Markdown-command

README.md

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+# Markdown-command
+Process a Markdown file, execute commands within 
+and print file contents with executed commands' output.
+
+Usage:
+    markdown-command [options] FILE
+
+The pattern for commands to be executed is:
+    [$ command --with-options -and arguments]
+
+Options:
+    --help     Display this message.
+    --version  Display version information.

pyproject.toml

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+[build-system]
+requires = ["hatchling"]
+build-backend = "hatchling.build"
+
+[project]
+name = "markdown_command"
+version = "0.0.2"
+authors = [
+  { name="Michal Moroz", email="[email protected]" },
+]
+description = "Process a Markdown file, execute commands within and print file contents with executed commands' output."
+readme = "README.md"
+requires-python = ">=3.7"
+classifiers = [
+    "Programming Language :: Python :: 3",
+    "License :: OSI Approved :: MIT License",
+    "Operating System :: OS Independent",
+]
+
+[project.urls]
+"Homepage" = "https://github.com/makimo/markdown-command"
+"Bug Tracker" = "https://github.com/makimo/markdown-command/issues"

src/markdown_command/markdown_command.py

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+"""
+Process a Markdown file, execute commands within 
+and print file contents with executed commands' output.
+
+Usage:
+    markdown-command [options] FILE
+
+The pattern for commands to be executed is:
+    [$ command --with-options -and arguments]
+
+Options:
+    --help     Display this message.
+    --version  Display version information.
+"""
+
+VERSION = '1.0.1'
+
+
+import sys
+import re
+
+import shutil
+
+import subprocess
+from multiprocessing import Pool
+
+from docopt import docopt
+
+import shlex
+
+
+pattern = re.compile(r'^\s*\[\$\s*([^\]]+)\]\s*$')
+
+
+def run_cmd(command_string):
+    return subprocess.check_output(
+        shlex.split(command_string)
+    ).decode('utf-8')
+
+
+def concurrently_map_to_dict(f, keys):
+    p = Pool()
+    results = p.map(f, keys)
+    p.close()
+
+    return dict(zip(keys, results))
+
+
+def main():
+    arguments = docopt(__doc__, version=VERSION)
+
+    file = arguments['FILE']
+
+    with open(file, 'r') as f:
+        to_process = []
+
+        for line in f:
+            m = pattern.match(line)
+
+            if not m:
+                continue
+
+            to_process.append(m.group(1))
+
+        items = concurrently_map_to_dict(run_cmd, to_process)
+
+        f.seek(0)
+
+        for line in f:
+            m = pattern.match(line)
+
+            if not m:
+                sys.stdout.write(line)
+                continue
+
+            sys.stdout.write(items[m.group(1)])
+