diff --git a/plugin/load_breakpoints.py b/plugin/load_breakpoints.py
new file mode 100644
index 0000000..472dbd9
--- /dev/null
+++ b/plugin/load_breakpoints.py
@@ -0,0 +1,31 @@
+""" 
+Usage: load_breakpoints.py <filename>
+
+Print breakpoints in <filename>
+
+Example usage:
+
+    $ ./load_breakpoints.py foo.py
+    3
+    50
+    57
+
+"""
+
+import sys
+
+try:
+    from pudb.settings import load_breakpoints
+    from pudb import NUM_VERSION
+except ImportError:
+    exit(-1)
+
+args = () if NUM_VERSION >= (2013, 1) else (None,)
+bps = load_breakpoints(*args)
+
+filename = sys.argv[1]
+
+bps = [bp[1] for bp in bps if bp[0] == filename]
+
+for bp in bps:
+    print(bp)
diff --git a/plugin/pudb.vim b/plugin/pudb.vim
index 4117e90..0e95e62 100644
--- a/plugin/pudb.vim
+++ b/plugin/pudb.vim
@@ -9,8 +9,8 @@ if exists('g:loaded_pudb_plugin') || &cp
 endif
 let g:loaded_pudb_plugin = 1
 
-if !has("python")
-    echo "Error: Required vim compiled with +python"
+if !has("python3")
+    echo "Error: Required vim compiled with +python3"
     finish
 endif
 
@@ -19,6 +19,8 @@ sign define PudbBreakPoint text=Ø) texthl=error
 let s:first_sign_id = 10000
 let s:next_sign_id = s:first_sign_id
 
+let s:plugin_dir = expand("<sfile>:p:h")
+
 augroup pudb
     autocmd BufReadPost *.py call s:UpdateBreakPoints()
 augroup end
@@ -38,22 +40,23 @@ endfor
 let b:pudb_sign_ids = []
 
 
-python << EOF
+python3 << EOF
 import vim
-from pudb.settings import load_breakpoints
-from pudb import NUM_VERSION
+import os
+import subprocess
+import shutil
 
 filename = vim.eval('expand("%:p")')
 
-args = () if NUM_VERSION >= (2013, 1) else (None,)
-bps = load_breakpoints(*args)
+scriptname = os.path.join(vim.eval('s:plugin_dir'), 'load_breakpoints.py')
+python_path = shutil.which('python') or shutil.which('python3')
+bps = subprocess.Popen([python_path, scriptname, filename], stdout=subprocess.PIPE)
 
-for bp in bps:
-    if bp[0] != filename:
-        continue
+for bp in bps.stdout:
+    bp = int(bp.strip())
 
     sign_id = vim.eval("s:next_sign_id")
-    vim.command("sign place %s line=%s name=PudbBreakPoint file=%s" % (sign_id, bp[1], filename))
+    vim.command("sign place %s line=%s name=PudbBreakPoint file=%s" % (sign_id, bp, filename))
     vim.eval("add(b:pudb_sign_ids, s:next_sign_id)")
     vim.command("let s:next_sign_id += 1")
 EOF
@@ -61,31 +64,16 @@ EOF
 endfunction
 
 function! s:ToggleBreakPoint()
-python << EOF
+python3 << EOF
 import vim
-from pudb.settings import load_breakpoints, save_breakpoints
-from pudb import NUM_VERSION
-
-args = () if NUM_VERSION >= (2013, 1) else (None,)
-bps = [bp[:2] for bp in load_breakpoints(*args)]
 
 filename = vim.eval('expand("%:p")')
 row, col = vim.current.window.cursor
 
-bp = (filename, row)
-if bp in bps:
-    bps.pop(bps.index(bp))
-else:
-    bps.append(bp)
-
-class BP(object):
-    def __init__(self, fn, ln):
-        self.file = fn
-        self.line = ln
-
-bp_list = [BP(bp[0], bp[1]) for bp in bps]
-
-save_breakpoints(bp_list)
+scriptname = os.path.join(vim.eval('s:plugin_dir'), 'set_breakpoint.py')
+python_path = shutil.which('python') or shutil.which('python3')
+proc = subprocess.Popen([python_path, scriptname, filename, str(row)])
+proc.wait()
 
 vim.command('call s:UpdateBreakPoints()')
 EOF
diff --git a/plugin/set_breakpoint.py b/plugin/set_breakpoint.py
new file mode 100644
index 0000000..230f0e4
--- /dev/null
+++ b/plugin/set_breakpoint.py
@@ -0,0 +1,41 @@
+""" 
+Usage: set_breakpoint.py <filename> <lineno>
+
+Set a breakpoint in <filename> at <lineno>
+
+Example usage:
+
+    $ ./load_breakpoints.py foo.py
+    12
+    $ ./set_breakpoint.py foo.py 11
+    $ ./load_breakpoints.py foo.py
+    12
+    11
+"""
+
+import sys
+
+from pudb.settings import load_breakpoints, save_breakpoints
+from pudb import NUM_VERSION
+
+args = () if NUM_VERSION >= (2013, 1) else (None,)
+bps = [bp[:2] for bp in load_breakpoints(*args)]
+
+filename = sys.argv[1]
+row = int(sys.argv[2])
+
+bp = (filename, row)
+if bp in bps:
+    bps.pop(bps.index(bp))
+else:
+    bps.append(bp)
+
+class BP(object):
+    def __init__(self, fn, ln):
+        self.file = fn
+        self.line = ln
+        self.cond = None
+
+bp_list = [BP(bp[0], bp[1]) for bp in bps]
+
+save_breakpoints(bp_list)