Change name to Source Builder from Tool Builder.

sb/log.py

@@ -0,0 +1,111 @@
+#
+# RTEMS Tools Project (http://www.rtems.org/)
+# Copyright 2010-2012 Chris Johns (chrisj@rtems.org)
+# All rights reserved.
+#
+# This file is part of the RTEMS Tools package in 'rtems-testing'.
+#
+# Permission to use, copy, modify, and/or distribute this software for any
+# purpose with or without fee is hereby granted, provided that the above
+# copyright notice and this permission notice appear in all copies.
+#
+# THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+# OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+
+#
+# Log output to stdout and/or a file.
+#
+
+import os
+import sys
+
+import error
+
+#
+# A global log.
+#
+default = None
+
+def set_default_once(log):
+    if default is None:
+        default = log
+
+def output(text = os.linesep, log = None):
+    """Output the text to a log if provided else send it to stdout."""
+    if text is None:
+        text = os.linesep
+    if type(text) is list:
+        _text = ''
+        for l in text:
+            _text += l + os.linesep
+        text = _text
+    if log:
+        log.output(text)
+    elif default is not None:
+        default.output(text)
+    else:
+        for l in text.replace(chr(13), '').splitlines():
+            print l
+
+def flush(log = None):
+    if log:
+        log.flush()
+    elif default is not None:
+        default.flush()
+
+class log:
+    """Log output to stdout or a file."""
+    def __init__(self, streams = None):
+        self.fhs = [None, None]
+        if streams:
+            for s in streams:
+                if s == 'stdout':
+                    self.fhs[0] = sys.stdout
+                elif s == 'stderr':
+                    self.fhs[1] = sys.stderr
+                else:
+                    try:
+                        self.fhs.append(file(s, 'w'))
+                    except IOError, ioe:
+                         raise error.general("creating log file '" + s + \
+                                             "': " + str(ioe))
+
+    def __del__(self):
+        for f in range(2, len(self.fhs)):
+            self.fhs[f].close()
+
+    def has_stdout(self):
+        return self.fhs[0] is not None
+
+    def has_stderr(self):
+        return self.fhs[1] is not None
+
+    def output(self, text):
+        """Output the text message to all the logs."""
+        # Reformat the text to have local line types.
+        out = ''
+        for l in text.replace(chr(13), '').splitlines():
+            out += l + os.linesep
+        for f in range(0, len(self.fhs)):
+            if self.fhs[f] is not None:
+                self.fhs[f].write(out)
+
+    def flush(self):
+        """Flush the output."""
+        for f in range(0, len(self.fhs)):
+            if self.fhs[f] is not None:
+                self.fhs[f].flush()
+
+if __name__ == "__main__":
+    l = log(['stdout', 'log.txt'])
+    for i in range(0, 10):
+        l.output('hello world: %d\n' % (i))
+    l.output('hello world CRLF\r\n')
+    l.output('hello world NONE')
+    l.flush()
+    del l