Colorized the short Warnings/Errors generated by the toolchains

tools/build.py

@@ -28,6 +28,7 @@
 
 
 from tools.toolchains import TOOLCHAINS
+from tools.toolchains import mbedToolchain
 from tools.targets import TARGET_NAMES, TARGET_MAP
 from tools.options import get_default_options_parser
 from tools.build_api import build_library, build_mbed_libs, build_lib
@@ -36,6 +37,7 @@
 from tools.build_api import print_build_results
 from tools.settings import CPPCHECK_CMD, CPPCHECK_MSG_FORMAT
 from utils import argparse_filestring_type
+from tools.settings import CPPCHECK_CMD, CPPCHECK_MSG_FORMAT, CLI_COLOR_MAP
 
 if __name__ == '__main__':
     start = time()
@@ -164,6 +166,17 @@
     # Get toolchains list
     toolchains = options.tool if options.tool else TOOLCHAINS
 
+    if options.color:
+        # This import happens late to prevent initializing colorization when we don't need it
+        import colorize
+        if options.verbose:
+            notify = mbedToolchain.print_notify_verbose
+        else:
+            notify = mbedToolchain.print_notify
+        notify = colorize.print_in_color_notifier(CLI_COLOR_MAP, notify)
+    else:
+        notify = None
+
     # Get libraries list
     libraries = []
 
@@ -224,6 +237,7 @@
                         lib_build_res = build_library(options.source_dir, options.build_dir, mcu, toolchain,
                                                     options=options.options,
                                                     extra_verbose=options.extra_verbose_notify,
+                                                    notify=notify,
                                                     verbose=options.verbose,
                                                     silent=options.silent,
                                                     jobs=options.jobs,
@@ -235,6 +249,7 @@
                         lib_build_res = build_mbed_libs(mcu, toolchain,
                                                     options=options.options,
                                                     extra_verbose=options.extra_verbose_notify,
+                                                    notify=notify,
                                                     verbose=options.verbose,
                                                     silent=options.silent,
                                                     jobs=options.jobs,
@@ -245,6 +260,7 @@
                         build_lib(lib_id, mcu, toolchain,
                                   options=options.options,
                                   extra_verbose=options.extra_verbose_notify,
+                                  notify=notify,
                                   verbose=options.verbose,
                                   silent=options.silent,
                                   clean=options.clean,

tools/colorize.py

@@ -0,0 +1,71 @@
+"""
+mbed SDK
+Copyright (c) 2016 ARM Limited
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+"""
+
+""" This python file is responsible for generating colorized notifiers.
+"""
+
+import sys
+import re
+from colorama import init, Fore, Back, Style
+init()
+
+colors = {
+    'none' : "",
+    'default' : Style.RESET_ALL,
+
+    'black'   : Fore.BLACK,
+    'red'     : Fore.RED,
+    'green'   : Fore.GREEN,
+    'yellow'  : Fore.YELLOW,
+    'blue'    : Fore.BLUE,
+    'magenta' : Fore.MAGENTA,
+    'cyan'    : Fore.CYAN,
+    'white'   : Fore.WHITE,
+
+    'on_black'   : Back.BLACK,
+    'on_red'     : Back.RED,
+    'on_green'   : Back.GREEN,
+    'on_yellow'  : Back.YELLOW,
+    'on_blue'    : Back.BLUE,
+    'on_magenta' : Back.MAGENTA,
+    'on_cyan'    : Back.CYAN,
+    'on_white'   : Back.WHITE,
+}
+
+# Convert a color string from a string into an ascii escape code that will print
+# that color on the terminal.
+color_matcher = re.compile(r"(\w+)(\W+on\W+\w+)?")
+def colorstring_to_escapecode(color_string):
+    match = re.match(color_matcher, color_string)
+    if match:
+        return colors[match.group(1)] + (colors[match.group(2).strip().replace(" ","_")] if match.group(2) else "")
+    else:
+        return corols['default']
+
+# Wrap a toolchain notifier in a colorizer. This colorizer will wrap notifications
+# in a color if the severity matches a color in the *color_map*.
+def print_in_color_notifier (color_map, print_fn):
+    def wrap(event, silent=False):
+        fd = sys.stdout
+        self = event['toolchain']
+        if fd.isatty() and 'severity' in event and event['severity'] in color_map:
+            fd.write(colorstring_to_escapecode(color_map[event['severity']]))
+            print_fn(self, event, silent)
+            fd.write(colorstring_to_escapecode('default'))
+        else:
+            print_fn(self, event, silent)
+    return wrap

tools/make.py

@@ -46,6 +46,8 @@
 from utils import argparse_filestring_type
 from utils import argparse_many
 from argparse import ArgumentTypeError
+from tools.toolchains import mbedToolchain
+from tools.settings import CLI_COLOR_MAP
 
 if __name__ == '__main__':
     # Parse Options
@@ -212,6 +214,17 @@
         args_error(parser, "[ERROR] You should specify a TOOLCHAIN")
     toolchain = options.tool[0]
 
+    if options.color:
+        # This import happens late to prevent initializing colorization when we don't need it
+        import colorize
+        if options.verbose:
+            notify = mbedToolchain.print_notify_verbose
+        else:
+            notify = mbedToolchain.print_notify
+        notify = colorize.print_in_color_notifier(CLI_COLOR_MAP, notify)
+    else:
+        notify = None
+
     # Test
     for test_no in p:
         test = Test(test_no)
@@ -250,6 +263,7 @@
                                      linker_script=options.linker_script,
                                      clean=options.clean,
                                      verbose=options.verbose,
+                                     notify=notify,
                                      silent=options.silent,
                                      macros=options.macros,
                                      jobs=options.jobs,

tools/options.py

@@ -37,6 +37,10 @@ def get_default_options_parser(add_clean=True, add_options=True):
                       metavar="TOOLCHAIN",
                       type=argparse_many(argparse_force_uppercase_type(toolchainlist, "toolchain")))
 
+    parser.add_argument("--color",
+                        help="print Warnings, and Errors in color",
+                        action="store_true", default=False)
+
     if add_clean:
         parser.add_argument("-c", "--clean", action="store_true", default=False,
                       help="clean the build directory")

tools/settings.py

@@ -51,6 +51,10 @@
 # mbed.org username
 MBED_ORG_USER = ""
 
+CLI_COLOR_MAP = {
+    "warning": "yellow",
+    "error"  : "red"
+}
 
 ##############################################################################
 # User Settings (file)

tools/test.py

@@ -34,6 +34,8 @@
 from tools.utils import mkdir, ToolException, NotSupportedException
 from tools.test_exporters import ReportExporter, ResultExporterType
 from utils import argparse_filestring_type, argparse_lowercase_type, argparse_many
+from tools.toolchains import mbedToolchain
+from tools.settings import CLI_COLOR_MAP
 
 if __name__ == '__main__':
     try:
@@ -121,6 +123,17 @@
         else:
             tests = all_tests
 
+        if options.color:
+            # This import happens late to prevent initializing colorization when we don't need it
+            import colorize
+            if options.verbose:
+                notify = mbedToolchain.print_notify_verbose
+            else:
+                notify = mbedToolchain.print_notify
+            notify = colorize.print_in_color_notifier(CLI_COLOR_MAP, notify)
+        else:
+            notify = None
+
         if options.list:
             # Print available tests in order and exit
             print_tests(tests, options.format)
@@ -155,6 +168,7 @@
                                                 name="mbed-build",
                                                 macros=options.macros,
                                                 verbose=options.verbose,
+                                                notify=notify,
                                                 archive=False)
 
                 library_build_success = True
@@ -179,6 +193,7 @@
                         properties=build_properties,
                         macros=options.macros,
                         verbose=options.verbose,
+                        notify=notify,
                         jobs=options.jobs,
                         continue_on_build_fail=options.continue_on_build_fail)
 

tools/toolchains/__init__.py

@@ -274,6 +274,14 @@ def __init__(self, target, options=None, notify=None, macros=None, silent=False,
         self.legacy_ignore_dirs = LEGACY_IGNORE_DIRS - set([target.name, LEGACY_TOOLCHAIN_NAMES[self.name]])
 
         # Output notify function
+        # This function is passed all events, and expected to handle notification of the
+        # user, emit the events to a log, etc.
+        # The API for all notify methods passed into the notify parameter is as follows:
+        # def notify(Event, Silent)
+        # Where *Event* is a dict representing the toolchain event that was generated
+        #            e.g.: a compile succeeded, or a warning was emitted by the compiler
+        #                  or an application was linked
+        #       *Silent* is a boolean
         if notify:
             self.notify_fun = notify
         elif extra_verbose:
@@ -338,7 +346,6 @@ def print_notify_verbose(self, event, silent=False):
             event['severity'] = event['severity'].title()
             event['file'] = basename(event['file'])
             event['mcu_name'] = "None"
-            event['toolchain'] = "None"
             event['target_name'] = event['target_name'].upper() if event['target_name'] else "Unknown"
             event['toolchain_name'] = event['toolchain_name'].upper() if event['toolchain_name'] else "Unknown"
             msg = '[%(severity)s] %(target_name)s::%(toolchain_name)s::%(file)s@%(line)s: %(message)s' % event
@@ -351,6 +358,7 @@ def print_notify_verbose(self, event, silent=False):
     def notify(self, event):
         """ Little closure for notify functions
         """
+        event['toolchain'] = self
         return self.notify_fun(event, self.silent)
 
     def goanna_parse_line(self, line):