1 files changed, 81 insertions, 0 deletions
diff --git a/meson/mlog.py b/meson/mlog.py
new file mode 100644
index 0000000..2807c2b
--- /dev/null
+++ b/meson/mlog.py
@@ -0,0 +1,81 @@
+# Copyright 2013-2014 The Meson development team
+
+# 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.
+
+import sys, os, platform
+
+"""This is (mostly) a standalone module used to write logging
+information about Meson runs. Some output goes to screen,
+some to logging dir and some goes to both."""
+
+colorize_console = platform.system().lower() != 'windows' and os.isatty(sys.stdout.fileno())
+log_dir = None
+log_file = None
+
+def initialize(logdir):
+    global log_dir, log_file
+    log_dir = logdir
+    log_file = open(os.path.join(logdir, 'meson-log.txt'), 'w')
+
+def shutdown():
+    global log_file
+    if log_file is not None:
+        log_file.close()
+
+class AnsiDecorator():
+    plain_code = "\033[0m"
+
+    def __init__(self, text, code):
+        self.text = text
+        self.code = code
+
+    def get_text(self, with_codes):
+        if with_codes:
+            return self.code + self.text + AnsiDecorator.plain_code
+        return self.text
+
+def bold(text):
+    return AnsiDecorator(text, "\033[1m")
+
+def red(text):
+    return AnsiDecorator(text, "\033[1;31m")
+
+def green(text):
+    return AnsiDecorator(text, "\033[1;32m")
+
+def cyan(text):
+    return AnsiDecorator(text, "\033[1;36m")
+
+def process_markup(args, keep):
+    arr = []
+    for arg in args:
+        if isinstance(arg, str):
+            arr.append(arg)
+        elif isinstance(arg, AnsiDecorator):
+            arr.append(arg.get_text(keep))
+        else:
+            arr.append(str(arg))
+    return arr
+
+def debug(*args, **kwargs):
+    arr = process_markup(args, False)
+    if log_file is not None:
+        print(*arr, file=log_file, **kwargs) # Log file never gets ANSI codes.
+
+def log(*args, **kwargs):
+    arr = process_markup(args, False)
+    if log_file is not None:
+        print(*arr, file=log_file, **kwargs) # Log file never gets ANSI codes.
+    if colorize_console:
+        arr = process_markup(args, True)
+    print(*arr, **kwargs)