commit b46f20c96ab3acaa659929f7f24bcc4e5eb173d8
Author: vaydheesh <lokendras1998@gmail.com>
Date:   Fri Jun 14 03:06:02 2019 +0000

    Implemented changes suggested
    
    apertium/utils.py: execute() -> execute_pipeline()
        Fixed: usage of 'and' for 'lt-proc' & '-w'
        Added: Proper if-else

diff --git a/apertium/analysis/__init__.py b/apertium/analysis/__init__.py
index 611d2c8..1e95ff7 100644
--- a/apertium/analysis/__init__.py
+++ b/apertium/analysis/__init__.py
@@ -4,7 +4,7 @@ from typing import Dict, List
 from streamparser import LexicalUnit, parse
 
 import apertium
-from apertium.utils import execute, parse_mode_file, to_alpha3_code
+from apertium.utils import execute_pipeline, parse_mode_file, to_alpha3_code
 
 
 class Analyzer:
@@ -67,7 +67,7 @@ class Analyzer:
         deformatter = ['apertium-des{}'.format(formatting), '-n']
         if deformatter not in self.analyzer_cmds[self.lang]:
             self.analyzer_cmds[self.lang].insert(0, deformatter)
-        result = execute(in_text, self.analyzer_cmds[self.lang])
+        result = execute_pipeline(in_text, self.analyzer_cmds[self.lang])
         return self._postproc_text(result)
 
 
diff --git a/apertium/generation/__init__.py b/apertium/generation/__init__.py
index 2707ee9..c40a99c 100644
--- a/apertium/generation/__init__.py
+++ b/apertium/generation/__init__.py
@@ -1,7 +1,7 @@
 from typing import Dict, List, Union
 
 import apertium
-from apertium.utils import execute, parse_mode_file, to_alpha3_code
+from apertium.utils import execute_pipeline, parse_mode_file, to_alpha3_code
 
 
 class Generator:
@@ -42,7 +42,7 @@ class Generator:
 
         if self.lang in apertium.generators:
             commands = list(self._get_commands())
-            result = execute(in_text, commands)
+            result = execute_pipeline(in_text, commands)
             return result.rstrip('\x00')
         else:
             raise apertium.ModeNotInstalled(self.lang)
diff --git a/apertium/lttoolbox.py b/apertium/lttoolbox.py
index 1dcd39f..d9c6461 100644
--- a/apertium/lttoolbox.py
+++ b/apertium/lttoolbox.py
@@ -1,4 +1,3 @@
-import platform
 import tempfile
 from typing import ByteString  # noqa: F401
 
diff --git a/apertium/translation/__init__.py b/apertium/translation/__init__.py
index 98fbea7..a31ac24 100644
--- a/apertium/translation/__init__.py
+++ b/apertium/translation/__init__.py
@@ -3,7 +3,7 @@ from subprocess import CalledProcessError, PIPE, Popen
 from typing import Dict, List, Optional, Tuple, Union
 
 import apertium  # noqa: E402
-from apertium.utils import execute, parse_mode_file, to_alpha3_code  # noqa: E402
+from apertium.utils import execute_pipeline, parse_mode_file, to_alpha3_code  # noqa: E402
 
 
 class Translator:
@@ -166,7 +166,7 @@ class Translator:
             unsafe_deformat, unsafe_reformat = self._get_format(formatting, deformat, reformat)
             deformater, reformater = self._validate_formatters(unsafe_deformat, unsafe_reformat)
             deformatted = self._get_deformat(str(deformater), text)
-            output = execute(deformatted, cmds)
+            output = execute_pipeline(deformatted, cmds)
             result = self._get_reformat(str(reformater), output).strip()
             return result.decode()  # type: ignore
 
diff --git a/apertium/utils.py b/apertium/utils.py
index ec9c0d1..f9b0a12 100644
--- a/apertium/utils.py
+++ b/apertium/utils.py
@@ -24,7 +24,7 @@ def to_alpha3_code(code: str) -> str:
         return iso639_codes_inverse[code] if code in iso639_codes_inverse else code
 
 
-def execute(inp: str, commands: List[List[str]]) -> str:
+def execute_pipeline(inp: str, commands: List[List[str]]) -> str:
     """
     Args:
         inp (str)
@@ -36,17 +36,16 @@ def execute(inp: str, commands: List[List[str]]) -> str:
     procs = []
     end = inp.encode()
     for i, command in enumerate(commands):
-        if 'lt-proc' and '-w' in command:
+        if 'lt-proc' in command and '-w' in command:
             arg_index = command.index('-w')
             automorf_path = command[-1]
             ltp = lttoolbox.LtProc(end.decode(), command[arg_index], automorf_path)
             end = ltp.execute()
-            continue
-
-        procs.append(
-            subprocess.Popen(command, stdin=subprocess.PIPE, stdout=subprocess.PIPE),
-        )
-        end, _ = procs[i].communicate(end)
+        else:
+            procs.append(
+                subprocess.Popen(command, stdin=subprocess.PIPE, stdout=subprocess.PIPE),
+            )
+            end, _ = procs[i].communicate(end)
     return end.decode()