From c442e05382aead29711041720e73e23a12060618 Mon Sep 17 00:00:00 2001
From: Casper da Costa-Luis <casper.dcl@physics.org>
Date: Wed, 18 Mar 2020 01:28:17 +0000
Subject: [PATCH 1/3] progress: limit maximum running bars

Fixes #2905
Closes #3453
---
 dvc/progress.py | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/dvc/progress.py b/dvc/progress.py
index dd7341398c..41811034ec 100644
--- a/dvc/progress.py
+++ b/dvc/progress.py
@@ -35,6 +35,7 @@ class Tqdm(tqdm):
     BYTES_DEFAULTS = dict(
         unit="B", unit_scale=True, unit_divisor=1024, miniters=1
     )
+    MAX_BARS = 20  # maximum parallel bars to display
 
     def __init__(
         self,
@@ -152,3 +153,13 @@ def format_dict(self):
             d["ncols_desc"] = 1
             d["prefix"] = ""
         return d
+
+    def display(self, msg=None, pos=None):
+        if pos is None:
+            pos = abs(getattr(self, "pos", self.MAX_BARS))
+        if pos < self.MAX_BARS:
+            super().display(msg=msg, pos=pos)
+
+    def clear(self, nolock=False):
+        if abs(getattr(self, "pos", self.MAX_BARS)) < self.MAX_BARS:
+            super().clear(nolock=nolock)

From b388eb4c89aeb596bac8ad30af71a6322ce62f08 Mon Sep 17 00:00:00 2001
From: Casper da Costa-Luis <casper.dcl@physics.org>
Date: Fri, 20 Mar 2020 13:30:36 +0000
Subject: [PATCH 2/3] progress: add hidden message for overflow bars

---
 dvc/progress.py | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/dvc/progress.py b/dvc/progress.py
index 41811034ec..8e8428de0f 100644
--- a/dvc/progress.py
+++ b/dvc/progress.py
@@ -157,9 +157,12 @@ def format_dict(self):
     def display(self, msg=None, pos=None):
         if pos is None:
             pos = abs(getattr(self, "pos", self.MAX_BARS))
-        if pos < self.MAX_BARS:
-            super().display(msg=msg, pos=pos)
+        if pos <= self.MAX_BARS:
+            super().display(
+                msg=msg if pos < self.MAX_BARS else " ... (more hidden) ...",
+                pos=pos,
+            )
 
     def clear(self, nolock=False):
-        if abs(getattr(self, "pos", self.MAX_BARS)) < self.MAX_BARS:
+        if abs(getattr(self, "pos", self.MAX_BARS)) <= self.MAX_BARS:
             super().clear(nolock=nolock)

From fa0a0bfe3832ba22c60438270af1cf9b32a5f2f0 Mon Sep 17 00:00:00 2001
From: Casper da Costa-Luis <casper.dcl@physics.org>
Date: Sat, 28 Mar 2020 21:03:11 +0000
Subject: [PATCH 3/3] progress: fix nested bars properly

Just use latest `tqdm` :)
---
 dvc/progress.py | 14 --------------
 setup.py        |  2 +-
 2 files changed, 1 insertion(+), 15 deletions(-)

diff --git a/dvc/progress.py b/dvc/progress.py
index 8e8428de0f..dd7341398c 100644
--- a/dvc/progress.py
+++ b/dvc/progress.py
@@ -35,7 +35,6 @@ class Tqdm(tqdm):
     BYTES_DEFAULTS = dict(
         unit="B", unit_scale=True, unit_divisor=1024, miniters=1
     )
-    MAX_BARS = 20  # maximum parallel bars to display
 
     def __init__(
         self,
@@ -153,16 +152,3 @@ def format_dict(self):
             d["ncols_desc"] = 1
             d["prefix"] = ""
         return d
-
-    def display(self, msg=None, pos=None):
-        if pos is None:
-            pos = abs(getattr(self, "pos", self.MAX_BARS))
-        if pos <= self.MAX_BARS:
-            super().display(
-                msg=msg if pos < self.MAX_BARS else " ... (more hidden) ...",
-                pos=pos,
-            )
-
-    def clear(self, nolock=False):
-        if abs(getattr(self, "pos", self.MAX_BARS)) <= self.MAX_BARS:
-            super().clear(nolock=nolock)
diff --git a/setup.py b/setup.py
index 5f4e577a9b..3b57acc4cd 100644
--- a/setup.py
+++ b/setup.py
@@ -69,7 +69,7 @@ def run(self):
     "funcy>=1.14",
     "pathspec>=0.6.0",
     "shortuuid>=0.5.0",
-    "tqdm>=4.40.0,<5",
+    "tqdm>=4.44.0,<5",
     "packaging>=19.0",
     "zc.lockfile>=1.2.1",
     "flufl.lock>=3.2",