From 4916c080fc20d48f4b999c3f49967564bcafa905 Mon Sep 17 00:00:00 2001
From: wuzewu <wuzewu@baidu.com>
Date: Thu, 4 Apr 2019 14:46:21 +0800
Subject: [PATCH] add command line utils

---
 paddlehub/commands/cml_utils.py | 107 ++++++++++++++++++++++++++++++++
 1 file changed, 107 insertions(+)
 create mode 100644 paddlehub/commands/cml_utils.py

diff --git a/paddlehub/commands/cml_utils.py b/paddlehub/commands/cml_utils.py
new file mode 100644
index 00000000..e3b98fe3
--- /dev/null
+++ b/paddlehub/commands/cml_utils.py
@@ -0,0 +1,107 @@
+# Copyright (c) 2019  PaddlePaddle Authors. 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.
+
+from __future__ import absolute_import
+from __future__ import division
+from __future__ import print_function
+
+color_dict = {
+    "white": "\033[1;37m%s\033[0m",
+    "black": "\033[30m%s\033[0m",
+    "dark_gray": "\033[1;30m%s\033[0m",
+    "light_gray": "\033[0;37m%s\033[0m",
+    "blue": "\033[0;34m%s\033[0m",
+    "light_blue": "\033[1;34m%s\033[0m",
+    "green": "\033[0;32m%s\033[0m",
+    "light_green": "\033[1;32m%s\033[0m",
+    "cyan": "\033[0;36m%s\033[0m",
+    "light_cyan": "\033[1;36m%s\033[0m",
+    "red": "\033[0;31m%s\033[0m",
+    "light_red": "\033[1;31m%s\033[0m",
+    "purple": "\033[0;35m%s\033[0m",
+    "light_purple": "\033[1;35m%s\033[0m",
+    "brown": "\033[0;33m%s\033[0m",
+    "yellow": "\033[1;33m%s\033[0m"
+}
+
+
+def colorful_text(color, text):
+    if color not in color_dict:
+        color = color_dict['blue']
+    else:
+        color = color_dict[color]
+    return color % text
+
+
+class TablePrinter:
+    def __init__(self, titles, placeholders):
+        self.titles = titles
+        self.placeholders = placeholders
+        self.text = "\n"
+        self.add_title()
+
+    def add_horizontal_line(self):
+        line = '+'
+        for value in self.placeholders:
+            line += '-' * (value + 2) + '+'
+        line += '\n'
+        self.text += line
+
+    def add_title(self):
+        self.add_horizontal_line()
+        title_text = "|"
+        for index, title in enumerate(self.titles):
+            title = colorful_text("light_green", title)
+            _ph = 11
+            title_text += (
+                "{0:^%d}|" % (self.placeholders[index] + 2 + _ph)).format(title)
+        title_text += '\n'
+        self.text += title_text
+
+    def add_line(self, contents, colors=None):
+        self.add_horizontal_line()
+        max_lines = 0
+        marks = [False] * len(contents)
+        colors = [None] * len(contents) if colors is None else colors
+        for index, content in enumerate(contents):
+            content_length = int(len(content) / self.placeholders[index])
+            if content_length > 0:
+                marks[index] = True
+            if content_length > max_lines:
+                max_lines = content_length
+
+        line = ''
+        offset = 0
+        for cnt in range(max_lines + 1):
+            line += '|'
+            for index, content in enumerate(contents):
+                length = self.placeholders[index]
+                split_text = content[offset:offset + length]
+                if colors[index] and split_text:
+                    split_text = colorful_text(colors[index], split_text)
+                    _ph = 11
+                else:
+                    _ph = 0
+                align = "<" if marks[index] else "^"
+                line += (
+                    "{0:%s%d}|" % (align, self.placeholders[index] + 2 + _ph)
+                ).format(split_text)
+            line += '\n'
+            offset += length
+
+        self.text += line
+
+    def get_text(self):
+        self.add_horizontal_line()
+        return self.text
-- 
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