From af7420fc67f1a69349f8155bb85a3536314e377b Mon Sep 17 00:00:00 2001
From: Taesung Park <taesung_park@berkeley.edu>
Date: Wed, 26 Apr 2017 15:50:54 -0700
Subject: Added support for the option ntrain

---
 data/unaligned_data_loader.py | 13 ++++++++-----
 1 file changed, 8 insertions(+), 5 deletions(-)

(limited to 'data/unaligned_data_loader.py')

diff --git a/data/unaligned_data_loader.py b/data/unaligned_data_loader.py
index 6e926d3..4a29c7c 100644
--- a/data/unaligned_data_loader.py
+++ b/data/unaligned_data_loader.py
@@ -7,17 +7,19 @@ from builtins import object
 from pdb import set_trace as st
 
 class PairedData(object):
-    def __init__(self, data_loader_A, data_loader_B):
+    def __init__(self, data_loader_A, data_loader_B, ntrain):
         self.data_loader_A = data_loader_A
         self.data_loader_B = data_loader_B
         self.stop_A = False
         self.stop_B = False
+        self.ntrain = ntrain
 
     def __iter__(self):
         self.stop_A = False
         self.stop_B = False
         self.data_loader_A_iter = iter(self.data_loader_A)
         self.data_loader_B_iter = iter(self.data_loader_B)
+        self.iter = 0
         return self
 
     def __next__(self):
@@ -30,20 +32,21 @@ class PairedData(object):
                 self.stop_A = True
                 self.data_loader_A_iter = iter(self.data_loader_A)
                 A, A_paths = next(self.data_loader_A_iter)
+
         try:
             B, B_paths = next(self.data_loader_B_iter)
-
         except StopIteration:
             if B is None or B_paths is None:
                 self.stop_B = True
                 self.data_loader_B_iter = iter(self.data_loader_B)
                 B, B_paths = next(self.data_loader_B_iter)
 
-        if self.stop_A and self.stop_B:
+        if (self.stop_A and self.stop_B) or self.iter > self.ntrain:
             self.stop_A = False
             self.stop_B = False
             raise StopIteration()
         else:
+            self.iter += 1
             return {'A': A, 'A_paths': A_paths,
                     'B': B, 'B_paths': B_paths}
 
@@ -76,7 +79,7 @@ class UnalignedDataLoader(BaseDataLoader):
             num_workers=int(self.opt.nThreads))
         self.dataset_A = dataset_A
         self.dataset_B = dataset_B
-        self.paired_data = PairedData(data_loader_A, data_loader_B)
+        self.paired_data = PairedData(data_loader_A, data_loader_B, self.opt.ntrain)
 
     def name(self):
         return 'UnalignedDataLoader'
@@ -85,4 +88,4 @@ class UnalignedDataLoader(BaseDataLoader):
         return self.paired_data
 
     def __len__(self):
-        return max(len(self.dataset_A), len(self.dataset_B))
+        return min(max(len(self.dataset_A), len(self.dataset_B)), self.opt.ntrain)
-- 
cgit v1.2.3-70-g09d2