Allow comments in config files

README.md

@@ -41,7 +41,9 @@ You can also run the following in case the program window closes immediately.
 
 ## Config
 
-The *config.txt* file starts with the link to the Google Form (just copy from the address bar). The following lines have the following form:
+The *config.txt* file starts with the link to the Google Form (just copy from the address bar).
+
+The following lines contain info for each entry and the format is shown below. Empty lines and lines starting with `"#"` are skipped. Spaces between parts are ignored.
 
 ```
 ["*"] ["!"] type "-" key ";" [title] "=" [value]

example.txt

@@ -1,4 +1,6 @@
 https://docs.google.com/forms/d/e/1FAIpQLSfWiBiihYkMJcZEAOE3POOKXDv6p4Ox4rX_ZRsQwu77aql8kQ/viewform
+
+# This is the only prompt (helps identify responses)
 ! words    - 2126808200 ; Short Answer = Default
   words    - 647036320  ; Paragraph = Sent using form.py (example-config.txt)
   choice   - 363426485  ; Multiple Choice (Option 1, Option 2) = Option 1

form.py

@@ -269,7 +269,14 @@ def open_config(file):
         file = open(file)
     with file:
         url = to_form_url(file.readline())
-        entries = [EntryInfo.from_string(line) for line in file if line.strip()]
+        entries = []
+        for line in file:
+            line = line.strip()
+            if not line:
+                continue
+            if line.startswith("#"):
+                continue
+            entries.append(EntryInfo.from_string(line))
     return ConfigInfo(url, entries)
 
 # Returns the passed config file name