CC-5050: Tracks with a very high track count cannot be saved into database

-fixed

python_apps/media-monitor2/media/metadata/definitions.py

@@ -7,6 +7,8 @@ from media.monitor.pure import format_length, file_md5, is_airtime_recorded, \
 
 defs_loaded = False
 
+MAX_SIGNED_INT = 2**31-1
+
 def is_defs_loaded():
     global defs_loaded
     return defs_loaded
@@ -37,11 +39,13 @@ def load_definitions():
         t.default(u'')
         t.depends('bitrate')
         t.translate(lambda k: k['bitrate'])
+        t.max_value(MAX_SIGNED_INT)
 
     with md.metadata('MDATA_KEY_SAMPLERATE') as t:
         t.default(u'0')
         t.depends('sample_rate')
         t.translate(lambda k: k['sample_rate'])
+        t.max_value(MAX_SIGNED_INT)
 
     with md.metadata('MDATA_KEY_FTYPE') as t:
         t.depends('ftype') # i don't think this field even exists
@@ -69,10 +73,11 @@ def load_definitions():
 
     with md.metadata("MDATA_KEY_TRACKNUMBER") as t:
         t.depends("tracknumber")
+        t.max_value(MAX_SIGNED_INT)
 
     with md.metadata("MDATA_KEY_BPM") as t:
         t.depends("bpm")
-        t.max_length(8)
+        t.max_value(MAX_SIGNED_INT)
 
     with md.metadata("MDATA_KEY_LABEL") as t:
         t.depends("organization")

python_apps/media-monitor2/media/metadata/process.py

@@ -1,6 +1,6 @@
 # -*- coding: utf-8 -*-
 from contextlib import contextmanager
-from media.monitor.pure import truncate_to_length, toposort
+from media.monitor.pure import truncate_to_value, truncate_to_length, toposort
 from os.path import normpath
 from media.monitor.exceptions import BadSongFile
 from media.monitor.log import Loggable
@@ -43,11 +43,15 @@ class MetadataElement(Loggable):
         self.__default       = None
         self.__is_normalized = lambda _ : True
         self.__max_length    = -1
+        self.__max_value     = -1
         self.__translator    = None
 
     def max_length(self,l):
         self.__max_length = l
 
+    def max_value(self,v):
+        self.__max_value = v
+
     def optional(self, setting):
         self.__optional = setting
 
@@ -143,6 +147,8 @@ class MetadataElement(Loggable):
         r = self.__normalizer( self.__translator(full_deps) )
         if self.__max_length != -1:
             r = truncate_to_length(r, self.__max_length)
+        if self.__max_value != -1:
+            r = truncate_to_value(r, self.__max_value)
         return r
 
 def normalize_mutagen(path):

python_apps/media-monitor2/media/monitor/pure.py

@@ -465,6 +465,14 @@ def truncate_to_length(item, length):
         if len(item) > length: return item[0:length]
         else: return item
 
+def truncate_to_value(item, value):
+    """ Truncates 'item' to 'value' """
+    if isinstance(item, basestring): item = int(item)
+    if isinstance(item, int):
+        item = abs(item)
+        if item > value: item = value
+    return str(item)
+
 def format_length(mutagen_length):
     """ Convert mutagen length to airtime length """
     t = float(mutagen_length)