Add project files.

env/Lib/site-packages/pip/_vendor/progress/bar.py

@@ -0,0 +1,83 @@
+# -*- coding: utf-8 -*-
+
+# Copyright (c) 2012 Giorgos Verigakis <verigak@gmail.com>
+#
+# Permission to use, copy, modify, and 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.
+
+from . import Progress
+from .helpers import WritelnMixin
+
+
+class Bar(WritelnMixin, Progress):
+    width = 32
+    message = ''
+    suffix = '%(index)d/%(max)d'
+    bar_prefix = ' |'
+    bar_suffix = '| '
+    empty_fill = ' '
+    fill = '#'
+    hide_cursor = True
+
+    def update(self):
+        filled_length = int(self.width * self.progress)
+        empty_length = self.width - filled_length
+
+        message = self.message % self
+        bar = self.fill * filled_length
+        empty = self.empty_fill * empty_length
+        suffix = self.suffix % self
+        line = ''.join([message, self.bar_prefix, bar, empty, self.bar_suffix,
+                        suffix])
+        self.writeln(line)
+
+
+class ChargingBar(Bar):
+    suffix = '%(percent)d%%'
+    bar_prefix = ' '
+    bar_suffix = ' '
+    empty_fill = u'∙'
+    fill = u'█'
+
+
+class FillingSquaresBar(ChargingBar):
+    empty_fill = u'▢'
+    fill = u'▣'
+
+
+class FillingCirclesBar(ChargingBar):
+    empty_fill = u'◯'
+    fill = u'◉'
+
+
+class IncrementalBar(Bar):
+    phases = (u' ', u'▏', u'▎', u'▍', u'▌', u'▋', u'▊', u'▉', u'█')
+
+    def update(self):
+        nphases = len(self.phases)
+        expanded_length = int(nphases * self.width * self.progress)
+        filled_length = int(self.width * self.progress)
+        empty_length = self.width - filled_length
+        phase = expanded_length - (filled_length * nphases)
+
+        message = self.message % self
+        bar = self.phases[-1] * filled_length
+        current = self.phases[phase] if phase > 0 else ''
+        empty = self.empty_fill * max(0, empty_length - len(current))
+        suffix = self.suffix % self
+        line = ''.join([message, self.bar_prefix, bar, current, empty,
+                        self.bar_suffix, suffix])
+        self.writeln(line)
+
+
+class ShadyBar(IncrementalBar):
+    phases = (u' ', u'░', u'▒', u'▓', u'█')