Adicionar src-py/renatoxsr/utils/pandoc.py

src-py/renatoxsr/utils/pandoc.py

@@ -0,0 +1,42 @@
+#!/usr/bin/env python3
+# vim: set ft=python ts=4 sw=4 et encoding=utf-8 :
+# SPDX-FileCopyrightText: 2025-present RenatoXSR <renatoxsr@gmail.com>
+# SPDX-License-Identifier: BSD-3-Clause-Clear
+import errno, os, shutil, sys
+from pathlib import Path
+
+from renatoxsr.logger import set_logger
+logger = set_logger(__name__)
+if "--debug" in sys.argv:
+    logger.setLevel("DEBUG")
+
+def pandoc(
+        input_file: str | Path, 
+        bin: str | Path = "pandoc",
+        output: str | Path = "-",
+        overwrite = False,
+    ) -> str:
+    logger.info("%s: from '%s' to '%s'", bin, input_file, output)
+    if not Path(bin).is_file():
+        which_bin = shutil.which(bin)
+        if not Path(bin).is_file():
+            raise FileNotFoundError(errno.ENOENT, os.strerror(errno.ENOENT), bin)
+    
+    fpath = Path(input_file)
+    if not fpath.is_file():
+        raise FileNotFoundError(errno.ENOENT, os.strerror(errno.ENOENT), input_file)
+    
+    outf = Path(output)
+    if all(output != "-", outf.is_file(), not overwrite):
+        raise FileExistsError(errno.EEXIST, os.strerror(errno.EEXIST), outf)
+    cmd = [bin, "--output", "-" if output=="-" else outf.resolve(), fpath]
+    logger.debug("CMD %s", str(cmd))
+    proc = subprocess.run(cmd, text=True)
+    
+    if proc.stderr:
+        logger.error(proc.stderr)
+        
+    if proc.stdout and output != "-":
+        logger.info(proc.stdout)
+    else:
+        return(proc.stdout)