use filecmp instead of hashing

agkyra/syncer/localfs_client.py

@@ -19,6 +19,7 @@ import re
 import datetime
 import psutil
 import time
+import filecmp
 
 from watchdog.observers import Observer
 from watchdog.events import FileSystemEventHandler
@@ -103,17 +104,7 @@ def eq_float(f1, f2):
 
 def files_equal(f1, f2):
     logger.debug("Comparing files: '%s', '%s'" % (f1, f2))
-    stats1, st1 = get_local_status(f1)
-    stats2, st2 = get_local_status(f2)
-    if st1 != st2:
-        return False
-    if st1 != LOCAL_FILE:
-        return True
-    if stats1[stat.ST_SIZE] != stats2[stat.ST_SIZE]:
-        return False
-    hash1 = utils.hash_file(f1)
-    hash2 = utils.hash_file(f2)
-    return hash1 == hash2
+    return filecmp.cmp(f1, f2, shallow=False)
 
 
 def info_is_unhandled(info):

agkyra/syncer/utils.py

@@ -21,8 +21,6 @@ import watchdog.utils
 
 from agkyra.syncer.common import OBJECT_DIRSEP
 
-BUF_SIZE = 65536
-
 
 def to_local_sep(filename):
     return filename.replace(OBJECT_DIRSEP, os.path.sep)
@@ -54,17 +52,6 @@ def hash_string(s):
     return hashlib.sha256(s).hexdigest()
 
 
-def hash_file(filename, block_size=BUF_SIZE):
-    sha256 = hashlib.sha256()
-    with open(filename, 'rb') as f:
-        while True:
-            data = f.read(BUF_SIZE)
-            if not data:
-                break
-            sha256.update(data)
-    return sha256.hexdigest()
-
-
 def time_stamp():
     return datetime.datetime.now().strftime("%s.%f")