fix python3 compatibility

powerline_shell_base.py

@@ -6,9 +6,13 @@
 import os
 import sys
 
+py3 = sys.version_info.major == 3
+
+
 def warn(msg):
     print('[powerline-bash] ', msg)
 
+
 class Powerline:
     symbols = {
         'compatible': {
@@ -67,8 +71,12 @@ def append(self, content, fg, bg, separator=None, separator_fg=None):
             separator_fg if separator_fg is not None else bg))
 
     def draw(self):
-        return (''.join(self.draw_segment(i) for i in range(len(self.segments)))
-                + self.reset).encode('utf-8') + ' '
+        text = (''.join(self.draw_segment(i) for i in range(len(self.segments)))
+                + self.reset) + ' '
+        if py3:
+            return text
+        else:
+            return text.encode('utf-8')
 
     def draw_segment(self, idx):
         segment = self.segments[idx]

segments/cwd.py

@@ -46,7 +46,9 @@ def get_fg_bg(name):
 
 
 def add_cwd_segment():
-    cwd = (powerline.cwd or os.getenv('PWD')).decode('utf-8')
+    cwd = powerline.cwd or os.getenv('PWD')
+    if not py3:
+        cwd = cwd.decode("utf-8")
     cwd = replace_home_dir(cwd)
 
     if powerline.args.cwd_mode == 'plain':

segments/git.py

@@ -33,10 +33,9 @@ def _get_git_detached_branch():
     p = subprocess.Popen(['git', 'describe', '--tags', '--always'],
                          stdout=subprocess.PIPE, stderr=subprocess.PIPE,
                          env=git_subprocess_env)
-    detached_ref = p.communicate()[0].rstrip('\n')
+    detached_ref = p.communicate()[0].decode("utf-8").rstrip('\n')
     if p.returncode == 0:
-        branch = u'{} {}'.format(GIT_SYMBOLS['detached'],
-                                 detached_ref.decode('utf-8'))
+        branch = u'{} {}'.format(GIT_SYMBOLS['detached'], detached_ref)
     else:
         branch = 'Big Bang'
     return branch
@@ -71,7 +70,7 @@ def add_git_segment():
     if p.returncode != 0:
         return
 
-    status = pdata[0].splitlines()
+    status = pdata[0].decode("utf-8").splitlines()
 
     branch_info = parse_git_branch_info(status)
     stats = parse_git_stats(status)

segments/hg.py

@@ -5,8 +5,10 @@ def get_hg_status():
     has_modified_files = False
     has_untracked_files = False
     has_missing_files = False
-    output = subprocess.Popen(['hg', 'status'],
-            stdout=subprocess.PIPE).communicate()[0]
+
+    p = subprocess.Popen(['hg', 'status'], stdout=subprocess.PIPE)
+    output = p.communicate()[0].decode("utf-8")
+
     for line in output.split('\n'):
         if line == '':
             continue

segments/jobs.py

@@ -3,8 +3,14 @@
 import subprocess
 
 def add_jobs_segment():
-    pppid = subprocess.Popen(['ps', '-p', str(os.getppid()), '-oppid='], stdout=subprocess.PIPE).communicate()[0].strip()
-    output = subprocess.Popen(['ps', '-a', '-o', 'ppid'], stdout=subprocess.PIPE).communicate()[0]
+    pppid_proc = subprocess.Popen(['ps', '-p', str(os.getppid()), '-oppid='],
+                                  stdout=subprocess.PIPE)
+    pppid = pppid_proc.communicate()[0].decode("utf-8").strip()
+
+    output_proc = subprocess.Popen(['ps', '-a', '-o', 'ppid'],
+                                   stdout=subprocess.PIPE)
+    output = output_proc.communicate()[0].decode("utf-8")
+
     num_jobs = len(re.findall(str(pppid), output)) - 1
 
     if num_jobs > 0:

segments/node_version.py

@@ -4,7 +4,7 @@
 def add_node_version_segment():
     try:
         p1 = subprocess.Popen(["node", "--version"], stdout=subprocess.PIPE)
-        version = p1.communicate()[0].rstrip()
+        version = p1.communicate()[0].decode("utf-8").rstrip()
         version = "node " + version
         powerline.append(version, 15, 18)
     except OSError:

segments/ruby_version.py

@@ -5,7 +5,7 @@ def add_ruby_version_segment():
     try:
         p1 = subprocess.Popen(["ruby", "-v"], stdout=subprocess.PIPE)
         p2 = subprocess.Popen(["sed", "s/ (.*//"], stdin=p1.stdout, stdout=subprocess.PIPE)
-        version = p2.communicate()[0].rstrip()
+        version = p2.communicate()[0].decode("utf-8").rstrip()
         if os.environ.has_key("GEM_HOME"):
           gem = os.environ["GEM_HOME"].split("@")
           if len(gem) > 1:

segments/svn.py

@@ -1,8 +1,9 @@
 import subprocess
 
 def add_svn_segment():
-    is_svn = subprocess.Popen(['svn', 'status'], stdout=subprocess.PIPE, stderr=subprocess.PIPE)
-    is_svn_output = is_svn.communicate()[1].strip()
+    is_svn = subprocess.Popen(['svn', 'status'],
+                              stdout=subprocess.PIPE, stderr=subprocess.PIPE)
+    is_svn_output = is_svn.communicate()[1].decode("utf-8").strip()
     if len(is_svn_output) != 0:
         return
 
@@ -11,7 +12,7 @@ def add_svn_segment():
             stderr=subprocess.PIPE)
     p2 = subprocess.Popen(['grep', '-c', '^[ACDIMR\\!\\~]'],
             stdin=p1.stdout, stdout=subprocess.PIPE)
-    output = p2.communicate()[0].strip()
+    output = p2.communicate()[0].decode("utf-8").strip()
     if len(output) > 0 and int(output) > 0:
         changes = output.strip()
         powerline.append(' %s ' % changes, Color.SVN_CHANGES_FG, Color.SVN_CHANGES_BG)