Fix Python 2.6 support

.travis.yml

@@ -1,6 +1,6 @@
 cache:
     directories:
-        - $HOME/.platformio 
+        - $HOME/.platformio
 
 language: python
 python:
@@ -9,7 +9,8 @@ python:
 env:
     - TOX_ENV=docs
     - TOX_ENV=lint
-    - TOX_ENV=py27       
+    - TOX_ENV=py26
+    - TOX_ENV=py27
 
 install:
     - pip install tox

platformio/downloader.py

@@ -4,7 +4,6 @@
 from email.utils import parsedate_tz
 from math import ceil
 from os.path import getsize, join
-from subprocess import check_output
 from time import mktime
 
 from click import progressbar
@@ -12,7 +11,7 @@ from requests import get
 
 from platformio.exception import (FDSHASumMismatch, FDSizeMismatch,
                                   FDUnrecognizedStatusCode)
-from platformio.util import change_filemtime
+from platformio.util import change_filemtime, exec_command
 
 
 class FileDownloader(object):
@@ -67,10 +66,12 @@ class FileDownloader(object):
 
         dlsha1 = None
         try:
-            dlsha1 = check_output(["sha1sum", self._destination])
+            result = exec_command(["sha1sum", self._destination])
+            dlsha1 = result['out']
         except OSError:
             try:
-                dlsha1 = check_output(["shasum", "-a", "1", self._destination])
+                result = exec_command(["shasum", "-a", "1", self._destination])
+                dlsha1 = result['out']
             except OSError:
                 pass
 

platformio/libmanager.py

@@ -90,7 +90,7 @@ class LibraryManager(object):
 
         info = self.get_info(id_)
         rename(tmplib_dir, join(self.lib_dir, "%s_ID%d" % (
-            re.sub(r"[^\da-z]+", "_", info['name'], flags=re.I), id_)))
+            re.sub(r"[^\da-zA-Z]+", "_", info['name']), id_)))
 
         telemetry.on_event(
             category="LibraryManager", action="Install",

platformio/util.py

@@ -146,14 +146,14 @@ def exec_command(*args, **kwargs):
         result['out'], result['err'] = p.communicate()
         result['returncode'] = p.returncode
     except KeyboardInterrupt:
+        raise exception.AbortedByUser()
+    finally:
         for s in ("stdout", "stderr"):
             if isinstance(kwargs[s], AsyncPipe):
                 kwargs[s].close()
-        raise exception.AbortedByUser()
 
     for s in ("stdout", "stderr"):
         if isinstance(kwargs[s], AsyncPipe):
-            kwargs[s].close()
             result[s[3:]] = "\n".join(kwargs[s].get_buffer())
 
     for k, v in result.iteritems():

scripts/get-platformio.py

@@ -2,13 +2,14 @@
 # See LICENSE for details.
 
 import os
+import subprocess
 import sys
-from subprocess import check_output
+from platform import system
 from tempfile import NamedTemporaryFile
 
 
 CURINTERPRETER_PATH = os.path.normpath(sys.executable)
-IS_WINDOWS = sys.platform.startswith("win")
+IS_WINDOWS = system() == "Windows"
 
 
 def fix_winpython_pathenv():
@@ -51,8 +52,21 @@ def fix_winpython_pathenv():
     return True
 
 
+def exec_command(*args, **kwargs):
+    kwargs['stdout'] = subprocess.PIPE
+    kwargs['stderr'] = subprocess.PIPE
+    kwargs['shell'] = IS_WINDOWS
+
+    p = subprocess.Popen(*args, **kwargs)
+    out, err = p.communicate()
+
+    if p.returncode != 0:
+        raise Exception(err)
+    return out
+
+
 def exec_python_cmd(args):
-    return check_output([CURINTERPRETER_PATH] + args, shell=IS_WINDOWS).strip()
+    return exec_command([CURINTERPRETER_PATH] + args, shell=IS_WINDOWS).strip()
 
 
 def install_pip():
@@ -74,7 +88,10 @@ def install_pip():
 
 def install_pypi_packages(packages):
     for pipargs in packages:
-        print (exec_python_cmd(["-m", "pip", "install", "-U"] + pipargs))
+        print (exec_python_cmd([
+            "-m",
+            "pip.__main__" if sys.version_info < (2, 7, 0) else "pip",
+            "install", "-U"] + pipargs))
 
 
 def main():
@@ -113,10 +130,13 @@ def main():
                "successfully FINISHED! <==\n")
 
     try:
-        print (check_output("platformio", shell=IS_WINDOWS))
+        print (exec_command("platformio", shell=IS_WINDOWS))
     except:
         try:
-            print (exec_python_cmd(["-m", "platformio"]))
+            print (exec_python_cmd([
+                "-m",
+                "platformio.__main__" if sys.version_info < (2, 7, 0) else
+                "platformio"]))
         finally:
             print ("\n Please RESTART your Terminal Application and run "
                    "`platformio --help` command.")

tests/commands/test_init.py

@@ -40,13 +40,15 @@ def test_init_special_board(platformio_setup, clirunner, validate_cliresult):
         uno = util.get_boards("uno")
         config = util.get_project_config()
         expected_result = [
-            ('platform', uno['platform']),
+            ("platform", str(uno['platform'])),
-            ('framework', uno['framework']),
+            ("framework", str(uno['framework'])),
-            ('board', 'uno'),
+            ("board", "uno"),
-            ('targets', 'upload')
+            ("targets", "upload")
         ]
+
         assert config.has_section("env:autogen_uno")
-        assert config.items("env:autogen_uno") == expected_result
+        assert len(set(expected_result).symmetric_difference(
+            set(config.items("env:autogen_uno")))) == 0
 
 
 def test_init_disable_auto_uploading(platformio_setup, clirunner,
@@ -58,12 +60,13 @@ def test_init_disable_auto_uploading(platformio_setup, clirunner,
         validate_pioproject(getcwd())
         config = util.get_project_config()
         expected_result = [
-            ('platform', 'atmelavr'),
+            ("platform", "atmelavr"),
-            ('framework', 'arduino'),
+            ("framework", "arduino"),
-            ('board', 'uno')
+            ("board", "uno")
         ]
         assert config.has_section("env:autogen_uno")
-        assert config.items("env:autogen_uno") == expected_result
+        assert len(set(expected_result).symmetric_difference(
+            set(config.items("env:autogen_uno")))) == 0
 
 
 def test_init_incorrect_board(clirunner):