From 779f189918633412f1cf5667b7ffe59d9ed106c9 Mon Sep 17 00:00:00 2001
From: EsGeh <SamuelGfroerer@googlemail.com>
Date: Mon, 8 Apr 2019 14:39:10 +0200
Subject: [PATCH] wrapper script for tei->html. flexible output redir when
 running executables.

---
 tei2html.py          | 103 +++++++++++++++++++++++++++++++++++++++++++
 utils/load_config.py |  35 +++++++++++----
 2 files changed, 130 insertions(+), 8 deletions(-)
 create mode 100755 tei2html.py

diff --git a/tei2html.py b/tei2html.py
new file mode 100755
index 0000000..997644c
--- /dev/null
+++ b/tei2html.py
@@ -0,0 +1,103 @@
+#!/usr/bin/env python3
+# -*- coding: utf-8; mode: python -*-
+
+"A converter from TEI to HTML."
+
+__version__ = "1.0"
+__date__ = "20190408"
+__author__ = "sgfroerer@mpiwg-berlin.mpg.de"
+
+from utils.load_config import load_config, check_executable, exec_command, ToFile
+import utils.libeoaconvert as libeoaconvert
+
+import logging
+import argparse
+from pathlib import Path
+
+# things to be done
+# assign ids top to bottom for the following elements:
+# div1 div2 div3 note item table EOAfigure EOAequation formula theorem
+
+BASE_DIR = Path( __file__ ).resolve().parent
+SCRIPT_NAME = Path( __file__).stem
+
+def check_executables():
+    check_executable( "saxon" )
+
+def main(
+        input_file,
+        root_dir
+):
+    """Main function"""
+
+    exec_command(
+        "saxon -t -s:{input_file} -xsl:{xslt_file} domain={root_dir}".format(
+            xslt_file = (BASE_DIR / SCRIPT_NAME) . with_suffix( ".xsl" ),
+            input_file = input_file,
+            root_dir = root_dir
+        ),
+    )
+
+# def main ends here
+
+if __name__ == '__main__':
+    parser = argparse.ArgumentParser(
+            formatter_class=argparse.ArgumentDefaultsHelpFormatter
+    )
+    parser.add_argument(
+            "-c", "--config",
+            default = BASE_DIR / "config" / "eoaconvert.cfg",
+            help="Name of config file"
+    )
+    parser.add_argument(
+            "-l", "--log-file",
+            default = Path("logs", SCRIPT_NAME).with_suffix(".log"),
+            help="logfile"
+    )
+    parser.add_argument(
+            "--log-level",
+            default = "INFO",
+            help="log level: choose between DEBUG, INFO, WARNING, ERROR, CRITICAL"
+    )
+    parser.add_argument(
+            "--root-dir",
+            default = Path.cwd(),
+            help="internal html links on the page will use this location as a prefix"
+    )
+    parser.add_argument(
+            "-f", "--filename",
+            required = True,
+            help="Name of main EOA-TEI file"
+    )
+
+    '''
+    TODO: support output directory
+    parser.add_argument(
+            "-o", "--output-dir",
+            default = ".",
+            help="where to dump all output files"
+    )
+    '''
+
+    args = parser.parse_args()
+
+    CONFIG_FILE = args.config
+
+    print("The configfile is '%s'." % CONFIG_FILE)
+    print("The logfile is '%s'." % args.log_file)
+
+    CONFIG = load_config(
+            CONFIG_FILE,
+            args.log_level,
+            args.log_file,
+    )
+
+    check_executables()
+
+    # run main:
+    main(
+            input_file = args.filename,
+            root_dir = args.root_dir
+    )
+
+# finis
diff --git a/utils/load_config.py b/utils/load_config.py
index f1d3ebd..bf396b9 100644
--- a/utils/load_config.py
+++ b/utils/load_config.py
@@ -24,10 +24,18 @@ def copy_dir_overwrite( src, dst ):
         shutil.rmtree( dst )
     shutil.copytree( src, dst)
 
+class ToFile:
+    def __init__( self, filename ):
+        self.filename = filename
+
+class ToLog:
+    pass
+
 def exec_command(
         command,
         error_msg = "ERROR while running {command}",
         wd = None,
+        output_to = ToLog(),
         log_level = "INFO",
         ignore_fail = False
         ):
@@ -37,24 +45,35 @@ def exec_command(
     )
 
     arguments = shlex.split(command)
+
+    if isinstance( output_to, ToFile ):
+        stdout_file = open( output_to.filename, "w")
+    if isinstance( output_to, ToLog ):
+        stdout_file = PIPE
+    else:
+        stdout_file = None
     process = subprocess.Popen(
             arguments,
             cwd = wd,
-            stdout=PIPE,
-            stderr=PIPE
+            stdout= stdout_file,
+            stderr= STDOUT,
     )
 
-    def check_io():
+    def check_io(stream):
         while True:
-            output = process.stdout.readline()
+            output = stream.readline()
             if output:
-                logging.debug( output.decode().strip() )
+                logging.debug( "> " + output.decode().strip() )
             else:
                 break
-    
+
     # keep checking stdout/stderr until the child exits
-    while process.poll() is None:
-        check_io()
+    logging.debug( f"{command} output:" )
+    if isinstance( output_to, ToFile ):
+        stdout_file.close()
+    elif isinstance( output_to, ToLog ):
+        while process.poll() is None:
+            check_io(process.stdout)
 
     ret = process.wait() # 0 means success
     if (not ignore_fail) and ret != 0: