doc: fix build with python 3.8
[dpdk.git] / doc / guides / conf.py
index ef0e1c6..0892c06 100644 (file)
@@ -1,32 +1,5 @@
-#   BSD LICENSE
-#   Copyright(c) 2010-2015 Intel Corporation. All rights reserved.
-#   All rights reserved.
-#
-#   Redistribution and use in source and binary forms, with or without
-#   modification, are permitted provided that the following conditions
-#   are met:
-#
-#   * Redistributions of source code must retain the above copyright
-#   notice, this list of conditions and the following disclaimer.
-#   * Redistributions in binary form must reproduce the above copyright
-#   notice, this list of conditions and the following disclaimer in
-#   the documentation and/or other materials provided with the
-#   distribution.
-#   * Neither the name of Intel Corporation nor the names of its
-#   contributors may be used to endorse or promote products derived
-#   from this software without specific prior written permission.
-#
-#   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-#   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-#   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-#   A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-#   OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-#   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-#   LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-#   DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-#   THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-#   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-#   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+# SPDX-License-Identifier: BSD-3-Clause
+# Copyright(c) 2010-2015 Intel Corporation
 
 from __future__ import print_function
 import subprocess
@@ -36,6 +9,7 @@ from sphinx import __version__ as sphinx_version
 from sphinx.highlighting import PygmentsBridge
 from pygments.formatters.latex import LatexFormatter
 from os import listdir
+from os import environ
 from os.path import basename
 from os.path import dirname
 from os.path import join as path_join
@@ -47,18 +21,26 @@ except:
     # Python 3.
     import configparser
 
+try:
+    import sphinx_rtd_theme
 
-project = 'Data Plane Development Kit'
-
-if LooseVersion(sphinx_version) >= LooseVersion('1.3.1'):
     html_theme = "sphinx_rtd_theme"
+    html_theme_path = [sphinx_rtd_theme.get_html_theme_path()]
+except:
+    print('Install the sphinx ReadTheDocs theme for improved html documentation '
+          'layout: pip install sphinx_rtd_theme')
+    pass
+
+project = 'Data Plane Development Kit'
 html_logo = '../logo/DPDK_logo_vertical_rev_small.png'
 latex_logo = '../logo/DPDK_logo_horizontal_tag.png'
 html_add_permalinks = ""
 html_show_copyright = False
 highlight_language = 'none'
 
-version = subprocess.check_output(['make', '-sRrC', '../../', 'showversion'])
+# If MAKEFLAGS is exported by the user, garbage text might end up in version
+version = subprocess.check_output(['make', '-sRrC', '../../', 'showversion'],
+                                  env=dict(environ, MAKEFLAGS=""))
 version = version.decode('utf-8').rstrip()
 release = version
 
@@ -80,11 +62,11 @@ latex_documents = [
 
 # Latex directives to be included directly in the latex/pdf docs.
 custom_latex_preamble = r"""
-\usepackage[utf8]{inputenc}
-\usepackage[T1]{fontenc}
-\usepackage{helvet}
-\renewcommand{\familydefault}{\sfdefault}
+\usepackage{textalpha}
 \RecustomVerbatimEnvironment{Verbatim}{Verbatim}{xleftmargin=5mm}
+\usepackage{etoolbox}
+\robustify\(
+\robustify\)
 """
 
 # Configuration for the latex/pdf docs.
@@ -178,7 +160,7 @@ def process_numref(app, doctree, from_docname):
             node.replace_self(newnode)
 
 
-def generate_overview_table(output_filename, section, table_name, title):
+def generate_overview_table(output_filename, table_id, section, table_name, title):
     """
     Function to generate the Overview Table from the ini files that define
     the features for each driver.
@@ -211,18 +193,23 @@ def generate_overview_table(output_filename, section, table_name, title):
     ini_files.sort()
 
     # Build up a list of the table header names from the ini filenames.
-    header_names = []
+    pmd_names = []
     for ini_filename in ini_files:
         name = ini_filename[:-4]
         name = name.replace('_vf', 'vf')
+        pmd_names.append(name)
 
-        # Pad the table header names to match the existing format.
+    # Pad the table header names.
+    max_header_len = len(max(pmd_names, key=len))
+    header_names = []
+    for name in pmd_names:
         if '_vec' in name:
             pmd, vec = name.split('_')
-            name = '{0:{fill}{align}7}vec'.format(pmd, fill='.', align='<')
+            name = '{0:{fill}{align}{width}}vec'.format(pmd,
+                    fill='.', align='<', width=max_header_len-3)
         else:
-            name = '{0:{fill}{align}10}'.format(name, fill=' ', align='<')
-
+            name = '{0:{fill}{align}{width}}'.format(name,
+                    fill=' ', align='<', width=max_header_len)
         header_names.append(name)
 
     # Create a dict of the defined features for each driver from the ini files.
@@ -250,7 +237,7 @@ def generate_overview_table(output_filename, section, table_name, title):
                                                                 ini_filename))
                 continue
 
-            if value is not '':
+            if value:
                 # Get the first letter only.
                 ini_data[ini_filename][name] = value[0]
 
@@ -258,9 +245,8 @@ def generate_overview_table(output_filename, section, table_name, title):
     outfile = open(output_filename, 'w')
     num_cols = len(header_names)
 
-    print('.. table:: ' + table_name + '\n',
-          file=outfile)
-
+    print_table_css(outfile, table_id)
+    print('.. table:: ' + table_name + '\n', file=outfile)
     print_table_header(outfile, num_cols, header_names, title)
     print_table_body(outfile, num_cols, ini_files, ini_data, default_features)
 
@@ -275,7 +261,7 @@ def print_table_header(outfile, num_cols, header_names, title):
 
     print_table_row(outfile, title, line)
 
-    for i in range(1, 10):
+    for i in range(1, len(header_names[0])):
         line = ''
         for name in header_names:
             line += ' ' + name[i]
@@ -316,32 +302,105 @@ def print_table_divider(outfile, num_cols):
     print_table_row(outfile, feature, line)
 
 
+def print_table_css(outfile, table_id):
+    template = """
+.. raw:: html
+
+   <style>
+      .wy-nav-content {
+         opacity: .99;
+      }
+      table#idx {
+         cursor: default;
+         overflow: hidden;
+      }
+      table#idx th, table#idx td {
+         text-align: center;
+      }
+      table#idx th {
+         font-size: 72%;
+         white-space: pre-wrap;
+         vertical-align: top;
+         padding: 0.5em 0;
+         min-width: 0.9em;
+         width: 2em;
+      }
+      table#idx col:first-child {
+         width: 0;
+      }
+      table#idx th:first-child {
+         vertical-align: bottom;
+      }
+      table#idx td {
+         font-size: 70%;
+         padding: 1px;
+      }
+      table#idx td:first-child {
+         padding-left: 1em;
+         text-align: left;
+      }
+      table#idx tr:nth-child(2n-1) td {
+         background-color: rgba(210, 210, 210, 0.2);
+      }
+      table#idx th:not(:first-child):hover,
+      table#idx td:not(:first-child):hover {
+         position: relative;
+      }
+      table#idx th:not(:first-child):hover::after,
+      table#idx td:not(:first-child):hover::after {
+         content: '';
+         height: 6000px;
+         top: -3000px;
+         width: 100%;
+         left: 0;
+         position: absolute;
+         z-index: -1;
+         background-color: #ffb;
+      }
+      table#idx tr:hover td {
+         background-color: #ffb;
+      }
+   </style>
+"""
+    print(template.replace("idx", "id%d" % (table_id)), file=outfile)
+
+
 def setup(app):
     table_file = dirname(__file__) + '/nics/overview_table.txt'
-    generate_overview_table(table_file,
+    generate_overview_table(table_file, 1,
                             'Features',
                             'Features availability in networking drivers',
                             'Feature')
     table_file = dirname(__file__) + '/cryptodevs/overview_feature_table.txt'
-    generate_overview_table(table_file,
+    generate_overview_table(table_file, 1,
                             'Features',
                             'Features availability in crypto drivers',
                             'Feature')
     table_file = dirname(__file__) + '/cryptodevs/overview_cipher_table.txt'
-    generate_overview_table(table_file,
+    generate_overview_table(table_file, 2,
                             'Cipher',
                             'Cipher algorithms in crypto drivers',
                             'Cipher algorithm')
     table_file = dirname(__file__) + '/cryptodevs/overview_auth_table.txt'
-    generate_overview_table(table_file,
+    generate_overview_table(table_file, 3,
                             'Auth',
                             'Authentication algorithms in crypto drivers',
                             'Authentication algorithm')
     table_file = dirname(__file__) + '/cryptodevs/overview_aead_table.txt'
-    generate_overview_table(table_file,
+    generate_overview_table(table_file, 4,
                             'AEAD',
                             'AEAD algorithms in crypto drivers',
                             'AEAD algorithm')
+    table_file = dirname(__file__) + '/cryptodevs/overview_asym_table.txt'
+    generate_overview_table(table_file, 5,
+                            'Asymmetric',
+                            'Asymmetric algorithms in crypto drivers',
+                            'Asymmetric algorithm')
+    table_file = dirname(__file__) + '/compressdevs/overview_feature_table.txt'
+    generate_overview_table(table_file, 1,
+                            'Features',
+                            'Features availability in compression drivers',
+                            'Feature')
 
     if LooseVersion(sphinx_version) < LooseVersion('1.3.1'):
         print('Upgrade sphinx to version >= 1.3.1 for '
@@ -350,3 +409,5 @@ def setup(app):
         app.add_role('numref', numref_role)
         # Process the numref references once the doctree has been created.
         app.connect('doctree-resolved', process_numref)
+
+    app.add_stylesheet('css/custom.css')