Py3 fixes and Travis CI enablement

.travis.yml

@@ -152,13 +152,18 @@ matrix:
         # Report success since we have overridden default behavior
         - bash -c "$STATUS" success "Local $NAME testing has passed"
 
-#    - <<: *tools-pytest
-#      env: NAME=tools-py3.5
-#      python: 3.5
-#
-#    - <<: *tools-pytest
-#      env: NAME=tools-py3.6
-#      python: 3.6
+    - <<: *tools-pytest
+      env: NAME=tools-py3.5
+      python: 3.5
+
+    - <<: *tools-pytest
+      env: NAME=tools-py3.6
+      python: 3.6
+
+    - <<: *tools-pytest
+      env: NAME=tools-py3.7
+      python: 3.7
+      dist: xenial
 
     - env:
         - NAME=astyle

tools/config/__init__.py

@@ -1204,7 +1204,7 @@ def validate_config(self):
                             min = int(str(min), 0) if min is not None else None
                             max = int(str(max), 0) if max is not None else None
 
-                            if (value < min or (value > max if max is not None else False)):
+                            if (min is not None and value < min) or (max is not None and value > max):
                                 err_msg += "\nInvalid config range for %s, is not in the required range: [%s:%s]"\
                                                % (param,
                                                   min if min is not None else "-inf",

tools/test/build_api/build_api_test.py

@@ -141,6 +141,7 @@ def test_build_project_app_config(self, mock_prepare_toolchain, mock_exists, _,
             lib_config_data=None,
         )
         mock_prepare_toolchain().config.deliver_into.return_value = (None, None)
+        mock_prepare_toolchain().config.name = None
 
         build_project(self.src_paths, self.build_path, self.target,
                       self.toolchain_name, app_config=app_config, notify=notify)
@@ -175,6 +176,7 @@ def test_build_project_no_app_config(self, mock_prepare_toolchain, mock_exists,
             lib_config_data=None,
         )
         mock_prepare_toolchain().config.deliver_into.return_value = (None, None)
+        mock_prepare_toolchain().config.name = None
 
         build_project(self.src_paths, self.build_path, self.target,
                       self.toolchain_name, notify=notify)

tools/test/pylint.py

@@ -26,7 +26,8 @@ def execute_pylint(filename):
     process = subprocess.Popen(
         ["pylint", filename],
         stdout=subprocess.PIPE,
-        stderr=subprocess.PIPE
+        stderr=subprocess.PIPE,
+        universal_newlines=True
     )
     stout, sterr = process.communicate()
     status = process.poll()

tools/test/spm/test_generate_partition_code.py

@@ -23,7 +23,7 @@
 import pytest
 from jinja2.defaults import DEFAULT_FILTERS
 
-from test_data import *
+from .test_data import *
 from tools.spm.generate_partition_code import *
 
 # Imported again as a module for monkey-patching

tools/toolchains/arm.py

@@ -102,7 +102,7 @@ def version_check(self):
         stdout, _, retcode = run_cmd([self.cc[0], "--vsn"], redirect=True)
         msg = None
         min_ver, max_ver = self.ARMCC_RANGE
-        match = self.ARMCC_VERSION_RE.search(stdout)
+        match = self.ARMCC_VERSION_RE.search(stdout.encode("utf-8"))
         found_version = LooseVersion(match.group(1).decode("utf-8")) if match else None
         min_ver, max_ver = self.ARMCC_RANGE
         if found_version and (found_version < min_ver or found_version >= max_ver):

tools/toolchains/gcc.py

@@ -133,7 +133,7 @@ def __init__(self, target,  notify=None, macros=None, build_profile=None,
     def version_check(self):
         stdout, _, retcode = run_cmd([self.cc[0], "--version"], redirect=True)
         msg = None
-        match = self.GCC_VERSION_RE.search(stdout)
+        match = self.GCC_VERSION_RE.search(stdout.encode("utf-8"))
         found_version = LooseVersion(match.group(0).decode('utf-8')) if match else None
         min_ver, max_ver = self.GCC_RANGE
         if found_version and (found_version < min_ver or found_version >= max_ver):

tools/toolchains/iar.py

@@ -99,7 +99,7 @@ def __init__(self, target, notify=None, macros=None, build_profile=None,
     def version_check(self):
         stdout, _, retcode = run_cmd([self.cc[0], "--version"], redirect=True)
         msg = None
-        match = self.IAR_VERSION_RE.search(stdout)
+        match = self.IAR_VERSION_RE.search(stdout.encode("utf-8"))
         found_version = match.group(1).decode("utf-8") if match else None
         if found_version and LooseVersion(found_version) != self.IAR_VERSION:
             msg = "Compiler version mismatch: Have {}; expected {}".format(

tools/utils.py

@@ -104,7 +104,8 @@ def run_cmd(command, work_dir=None, chroot=None, redirect=False):
 
     try:
         process = Popen(command, stdout=PIPE,
-                        stderr=STDOUT if redirect else PIPE, cwd=work_dir)
+                        stderr=STDOUT if redirect else PIPE, cwd=work_dir,
+                        universal_newlines=True)
         _stdout, _stderr = process.communicate()
     except OSError:
         print("[OS ERROR] Command: "+(' '.join(command)))