check for existence of md source when makig html; properly handle fil…

…ename command line option

mdepub/__init__.py

@@ -38,6 +38,9 @@ def new_id():
 
 arguments = ArgumentParser().parse_args()
 
+if arguments.filename:
+    options['filename'] = arguments.filename
+
 def require_opts_file():
     if options_loaded: return
     log.fatal("No options.yaml file found for this project.")

mdepub/actions/html.py

@@ -2,10 +2,12 @@
 import mdepub
 from mdepub import shell
 import os
+import os.path
 from mdepub import options
 from mdepub import project_path
 from BeautifulSoup import BeautifulSoup
 from mdepub.filename import getFN
+import sys
 
 log = logging.getLogger('html')
 
@@ -31,11 +33,16 @@ def run():
 
     args = ["pandoc", "--standalone", "--email-obfuscation=none"]
 
+    src = getFN("md")
+    if not os.path.exists(src):
+        log.fatal("\"%s\" not found.", src)
+        sys.exit(1)
+
     if os.path.exists(css_file):
         args.extend(["-c", css_file])
     if options['smart quotes']:
         args.append("--smart")
-    args.append(getFN("md"))
+    args.append(src)
 
     html = shell.pipe(args, None)
 

mdepub/filename.py

@@ -1,6 +1,7 @@
 import unicodedata
 import string
 import mdepub
+import os.path
 
 validFilenameChars = "'-_.() {}{}".format(string.ascii_letters, string.digits)