Improvements to text generation and error handling

- Warn about running LibreOffice Writer instance
- Better handling of leading/trailing whitespace for descriptions
- Create .md file for weasyl

story.py

@@ -1,6 +1,7 @@
 import io
 import json
 import os
+import psutil
 import re
 import subprocess
 
@@ -21,38 +22,56 @@ def parse_story(story_path, config_path, out_dir, temp_dir, ignore_empty_files=F
     config = json.load(f)
   if type(config) is not dict:
     raise ValueError('Invalid configuration for story parsing: Configuration must be a JSON object')
-  should_create_txt_story = any(ws in config for ws in ('furaffinity', 'weasyl', 'inkbunny', 'sofurry'))
+  should_create_txt_story = any(ws in config for ws in ('furaffinity', 'inkbunny', 'sofurry'))
+  should_create_md_story = any(ws in config for ws in ('weasyl',))
   should_create_rtf_story = any(ws in config for ws in ('aryion',))
-  if not should_create_txt_story and not should_create_rtf_story:
+  if not any((should_create_txt_story, should_create_md_story, should_create_rtf_story)):
     raise ValueError('Invalid configuration for story parsing: No valid websites found')
 
+  for proc in psutil.process_iter(['cmdline']):
+    if proc.info['cmdline'] and 'libreoffice' in proc.info['cmdline'][0] and '--writer' in proc.info['cmdline'][1:]:
+      if ignore_empty_files:
+        print('WARN: LibreOffice Writer appears to be running. This command may output empty files until it is closed.')
+        break
+      print('WARN: LibreOffice Writer appears to be running. This command may raise an error until it is closed.')
+      break
+
   story_filename = os.path.split(story_path)[1].rsplit('.')[0]
   txt_out_path = os.path.join(out_dir, f'{story_filename}.txt') if should_create_txt_story else os.devnull
+  md_out_path = os.path.join(out_dir, f'{story_filename}.md') if should_create_md_story else os.devnull
   txt_tmp_path = os.path.join(temp_dir, f'{story_filename}.txt') if should_create_rtf_story else os.devnull
-  RE_EMPTY_LINE = re.compile('^$')
+  RE_EMPTY_LINE = re.compile(r'^$')
+  RE_SEQUENTIAL_EQUAL_SIGNS = re.compile(r'=(?==)')
   is_only_empty_lines = True
   ps = subprocess.Popen(('libreoffice', '--cat', story_path), stdout=subprocess.PIPE)
-  # Mangle output files so that .RTF will always have a single LF between lines, and .TXT can have one or two CRLF
-  with open(txt_out_path, 'w', newline='\r\n') as txt_out, open(txt_tmp_path, 'w') as txt_tmp:
+  # Mangle output files so that .RTF will always have a single LF between lines, and .TXT/.MD can have one or two CRLF
+  with open(txt_out_path, 'w', newline='\r\n') as txt_out, open(md_out_path, 'w', newline='\r\n') as md_out, open(txt_tmp_path, 'w') as txt_tmp:
     needs_empty_line = False
     for line in io.TextIOWrapper(ps.stdout, encoding='utf-8-sig'):
       # Remove empty lines
       line = line.strip()
+      md_line = line
       if RE_EMPTY_LINE.search(line) and not is_only_empty_lines:
         needs_empty_line = True
       else:
+        if should_create_md_story:
+          md_line = RE_SEQUENTIAL_EQUAL_SIGNS.sub('= ', line.replace(r'*', r'\*'))
         if is_only_empty_lines:
           txt_out.writelines((line,))
+          md_out.writelines((md_line,))
           txt_tmp.writelines((line,))
           is_only_empty_lines = False
         else:
           if needs_empty_line:
             txt_out.writelines(('\n\n', line))
+            md_out.writelines(('\n\n', md_line))
             needs_empty_line = False
           else:
             txt_out.writelines(('\n', line))
+            md_out.writelines(('\n', md_line))
           txt_tmp.writelines(('\n', line))
     txt_out.writelines(('\n'))
+    md_out.writelines(('\n'))
   if is_only_empty_lines:
     error = f'Story processing returned empty file: libreoffice --cat {story_path}'
     if ignore_empty_files: