fixes #4

Input files now get listed based on a list of input paths (to either folders or files)
Also check subdirectories up to a set max recursion

config.ini

@@ -1,6 +1,7 @@
 [input]
 inputfolders = /mnt/koios/Band/1-sugmesties,/mnt/koios/Band/2-oefenen,/mnt/koios/Band/3-uitgewerkt
 supportedextensions = .txt
+maxdepth = 3
 
 [output]
 metafontfamily = fonts/CourierPrime-Regular.ttf

lib/config.py

@@ -28,8 +28,10 @@ def initConfig():
     config.read('config.ini')
   # Else load defaults
   else:
-    config['input'] = {'inputFolders': "/mnt/koios/Band/1-sugmesties,/mnt/koios/Band/2-oefenen,/mnt/koios/Band/3-uitgewerkt",
-        'supportedExtensions': ".txt"}
+    config['input'] = {'inputFolders': os.getcwd(),
+        'supportedExtensions': ".txt",
+        'maxDepth': 3
+      }
     config['output'] = {'metafontfamily': 'fonts/CourierPrime-Regular.ttf',
         'metaFontWeight': 8,
         'lyricfontfamily': 'fonts/CourierPrime-Regular.ttf',

lib/initSongs.py

@@ -12,11 +12,7 @@
 # - 
 #
 # @section todo TODO
-# - Set a max recursion depth on the os.walk function
-# - Support both paths to folders (like now) and to files directly
-#   When the input is a file, check if it is .txt and init it
-# - Input locations should be set in a config file (init to CWD, overwrite by CMD arguments)
-# - Use config supportedExtensions
+# - 
 
 import lib.dataStructures
 import lib.config
@@ -38,6 +34,26 @@ def initSong(filePath):
   #print("Finished init for input file '{}'.\nBase output folder is '{}'\nSong title is '{}'\n".format(thisSong.inputFile, thisSong.outputLocation, thisSong.title))
   return thisSong
 
+"""!@brief Creates a list of files found in a directory and its subdirectories
+    @param root path to the root. If it is a file it returns itself
+            if it is a folder it returns its contents
+    @param depth max recursion depth, defaults to 2
+    @return list of paths to files
+"""
+def walkDirectory(root, depth):
+  pathList = []
+  #print("Walking directory '{}'".format(root))
+  def do_scan(start_dir,output,depth=2):
+      for f in os.listdir(start_dir):
+          ff = os.path.join(start_dir,f)
+          if os.path.isdir(ff):
+              if depth>= 0:
+                  do_scan(ff,output,depth-1)
+          else:
+              output.append(ff)
+  do_scan(root,pathList,depth)
+  return pathList
+ 
 """!@brief Returns the list of all Song objects created
     This function gets all supported input files in the specified input location(s)
     For each of these files it creates a Song object, ready to be read and then parsed
@@ -47,22 +63,19 @@ def initSong(filePath):
 def getSongObjects():
   # Get config variables
   configObj = lib.config.config['input']
+  recursionDepth = int(configObj['maxDepth'])
   # path to song folders, which MAY contain a .txt source file
   txtFileLocations = []
   # list of Song objects
   songList = []
-  # go through all input locations. find .txt files.
+  # get all files we can find, then filter on supported extensions
   for inputFolder in configObj['inputfolders'].split(','):
-    #print("Walking directory '{}'".format(inputFolder))
-    for root, dirs, files in os.walk(inputFolder):
-      for name in files:
-        if(name[name.rfind('.'):] in configObj['supportedextensions']):
-          filePath = os.path.join(root, name)
+    for filePath in walkDirectory(inputFolder, recursionDepth):
+      if(filePath[filePath.rfind('.'):] in configObj['supportedextensions']):
         #print("Found .txt file '{}'".format(filePath))
         txtFileLocations.append(filePath)
       #else:
-          #print("Skipping file '{}' for it is not a .txt file".format(name))
-  
+        #print("Skipping file '{}' for it is not a .txt file".format(filePath))
   # create list of Song objects
   while(txtFileLocations):
     filePath = txtFileLocations.pop()