Add new 'typ' python testing framework to third_party/.

third_party/typ/typ/stats.py

Index: third_party/typ/typ/stats.py
diff --git a/third_party/typ/typ/stats.py b/third_party/typ/typ/stats.py
new file mode 100644
index 0000000000000000000000000000000000000000..0cd408dc76a37cdba775fba55b25ebf0ee9e03c0
--- /dev/null
+++ b/third_party/typ/typ/stats.py
@@ -0,0 +1,83 @@
+# Copyright 2014 Google Inc. All rights reserved.
+#
+# 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.
+
+
+class Stats(object):
+
+    def __init__(self, status_format, time_fn, size):
+        self.fmt = status_format
+        self.finished = 0
+        self.started = 0
+        self.total = 0
+        self.started_time = time_fn()
+        self._times = []
+        self._size = size
+        self._time = time_fn
+        self._times.append(self.started_time)
+
+    def add_time(self):
+        if len(self._times) > self._size:
+            self._times.pop(0)
+        self._times.append(self._time())
+
+    def format(self):
+        # Too many statements pylint: disable=R0915
+        out = ''
+        p = 0
+        end = len(self.fmt)
+        while p < end:
+            c = self.fmt[p]
+            if c == '%' and p < end - 1:
+                cn = self.fmt[p + 1]
+                if cn == 'c':
+                    elapsed = self._times[-1] - self._times[0]
+                    if elapsed > 0:
+                        out += '%5.1f' % ((len(self._times) - 1) / elapsed)
+                    else:
+                        out += '-'
+                elif cn == 'e':
+                    now = self._time()
+                    assert now >= self.started_time
+                    out += '%-5.3f' % (now - self.started_time)
+                elif cn == 'f':
+                    out += str(self.finished)
+                elif cn == 'o':
+                    now = self._time()
+                    if now > self.started_time:
+                        out += '%5.1f' % (self.finished * 1.0 /
+                                          (now - self.started_time))
+                    else:
+                        out += '-'
+                elif cn == 'p':
+                    if self.total:
+                        out += '%5.1f' % (self.started * 100.0 / self.total)
+                    else:
+                        out += '-'
+                elif cn == 'r':
+                    out += str(self.started - self.finished)
+                elif cn == 's':
+                    out += str(self.started)
+                elif cn == 't':
+                    out += str(self.total)
+                elif cn == 'u':
+                    out += str(self.total - self.finished)
+                elif cn == '%':
+                    out += '%'
+                else:
+                    out += c + cn
+                p += 2
+            else:
+                out += c
+                p += 1
+        return out