From fa22e5691705f5f5f07ec033307ad404116cd6cc Mon Sep 17 00:00:00 2001
From: Ruslan Kuprieiev <kupruser@gmail.com>
Date: Sun, 18 Mar 2018 12:35:56 +0200
Subject: [PATCH] state: use str representations for inode and mtime

Signed-off-by: Ruslan Kuprieiev <kupruser@gmail.com>
---
 dvc/state.py     | 17 +++++++++++++----
 requirements.txt |  1 +
 setup.py         |  1 +
 3 files changed, 15 insertions(+), 4 deletions(-)

diff --git a/dvc/state.py b/dvc/state.py
index 2b143e581..38011873b 100644
--- a/dvc/state.py
+++ b/dvc/state.py
@@ -1,5 +1,6 @@
 import os
 import json
+import nanotime
 from checksumdir import dirhash
 
 from dvc.system import System
@@ -70,9 +71,17 @@ class State(object):
         with open(self.state_file, 'w+') as fd:
             json.dump(self._db, fd)
 
+    @staticmethod
+    def mtime(path):
+        return str(int(nanotime.timestamp(os.path.getmtime(path))))
+
+    @staticmethod
+    def inode(path):
+        return str(System.inode(path))
+
     def update(self, path, dump=True):
-        mtime = os.path.getmtime(path)
-        inode = System.inode(path)
+        mtime = self.mtime(path)
+        inode = self.inode(path)
 
         md5 = self._get(inode, mtime)
         if md5:
@@ -100,7 +109,7 @@ class State(object):
         return None
 
     def get(self, path):
-        mtime = os.path.getmtime(path)
-        inode = System.inode(path)
+        mtime = self.mtime(path)
+        inode = self.inode(path)
 
         return self._get(inode, mtime)
diff --git a/requirements.txt b/requirements.txt
index e04ae1d33..7190c72e0 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -13,3 +13,4 @@ gitpython>=2.1.8
 ntfsutils>=0.1.3
 checksumdir>=1.1.4
 setuptools>=34.0.0
+nanotime>=0.5.2
diff --git a/setup.py b/setup.py
index d0604d5f3..865d3e373 100644
--- a/setup.py
+++ b/setup.py
@@ -18,6 +18,7 @@ install_requires = [
     "ntfsutils>=0.1.3",
     "checksumdir>=1.1.4",
     "setuptools>=34.0.0",
+    "nanotime>=0.5.2",
 ]
 
 setup(