annotate env/lib/python3.7/site-packages/boltons/tableutils.py @ 0:26e78fe6e8c4 draft

"planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
author shellac
date Sat, 02 May 2020 07:14:21 -0400
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1 # -*- coding: utf-8 -*-
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2 """If there is one recurring theme in ``boltons``, it is that Python
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3 has excellent datastructures that constitute a good foundation for
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4 most quick manipulations, as well as building applications. However,
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5 Python usage has grown much faster than builtin data structure
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6 power. Python has a growing need for more advanced general-purpose
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7 data structures which behave intuitively.
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8
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9 The :class:`Table` class is one example. When handed one- or
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10 two-dimensional data, it can provide useful, if basic, text and HTML
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11 renditions of small to medium sized data. It also heuristically
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12 handles recursive data of various formats (lists, dicts, namedtuples,
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13 objects).
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14
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15 For more advanced :class:`Table`-style manipulation check out the
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16 `pandas`_ DataFrame.
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17
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18 .. _pandas: http://pandas.pydata.org/
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19
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20 """
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21
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22 from __future__ import print_function
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23
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24 try:
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25 from html import escape as html_escape
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26 except ImportError:
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27 from cgi import escape as html_escape
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28 import types
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29 from itertools import islice
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30 try:
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31 from collections.abc import Sequence, Mapping, MutableSequence
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32 except ImportError:
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33 from collections import Sequence, Mapping, MutableSequence
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34 try:
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35 string_types, integer_types = (str, unicode), (int, long)
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36 from cgi import escape as html_escape
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37 except NameError:
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38 # Python 3 compat
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39 unicode = str
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40 string_types, integer_types = (str, bytes), (int,)
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41 from html import escape as html_escape
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42
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43 try:
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44 from typeutils import make_sentinel
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45 _MISSING = make_sentinel(var_name='_MISSING')
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46 except ImportError:
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47 _MISSING = object()
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48
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49 """
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50 Some idle feature thoughts:
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51
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52 * shift around column order without rearranging data
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53 * gotta make it so you can add additional items, not just initialize with
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54 * maybe a shortcut would be to allow adding of Tables to other Tables
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55 * what's the perf of preallocating lists and overwriting items versus
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56 starting from empty?
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57 * is it possible to effectively tell the difference between when a
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58 Table is from_data()'d with a single row (list) or with a list of lists?
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59 * CSS: white-space pre-line or pre-wrap maybe?
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60 * Would be nice to support different backends (currently uses lists
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61 exclusively). Sometimes large datasets come in list-of-dicts and
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62 list-of-tuples format and it's desirable to cut down processing overhead.
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63
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64 TODO: make iterable on rows?
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65 """
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66
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67 __all__ = ['Table']
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68
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69
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70 def to_text(obj, maxlen=None):
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71 try:
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72 text = unicode(obj)
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73 except Exception:
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74 try:
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75 text = unicode(repr(obj))
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76 except Exception:
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77 text = unicode(object.__repr__(obj))
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78 if maxlen and len(text) > maxlen:
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79 text = text[:maxlen - 3] + '...'
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80 # TODO: inverse of ljust/rjust/center
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81 return text
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82
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83
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84 def escape_html(obj, maxlen=None):
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85 text = to_text(obj, maxlen=maxlen)
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86 return html_escape(text, quote=True)
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87
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88
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89 _DNR = set((type(None), bool, complex, float,
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90 type(NotImplemented), slice,
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91 types.FunctionType, types.MethodType, types.BuiltinFunctionType,
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92 types.GeneratorType) + string_types + integer_types)
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93
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94
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95 class UnsupportedData(TypeError):
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96 pass
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97
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98
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99 class InputType(object):
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100 def __init__(self, *a, **kw):
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101 pass
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102
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103 def get_entry_seq(self, data_seq, headers):
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104 return [self.get_entry(entry, headers) for entry in data_seq]
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105
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106
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107 class DictInputType(InputType):
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108 def check_type(self, obj):
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109 return isinstance(obj, Mapping)
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110
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111 def guess_headers(self, obj):
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112 return sorted(obj.keys())
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113
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114 def get_entry(self, obj, headers):
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115 return [obj.get(h) for h in headers]
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116
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117 def get_entry_seq(self, obj, headers):
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118 return [[ci.get(h) for h in headers] for ci in obj]
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119
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120
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121 class ObjectInputType(InputType):
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122 def check_type(self, obj):
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123 return type(obj) not in _DNR and hasattr(obj, '__class__')
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124
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125 def guess_headers(self, obj):
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126 headers = []
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127 for attr in dir(obj):
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128 # an object's __dict__ could technically have non-string keys
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129 try:
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130 val = getattr(obj, attr)
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131 except Exception:
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132 # seen on greenlet: `run` shows in dir() but raises
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133 # AttributeError. Also properties misbehave.
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134 continue
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135 if callable(val):
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136 continue
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137 headers.append(attr)
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138 return headers
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139
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140 def get_entry(self, obj, headers):
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141 values = []
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142 for h in headers:
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143 try:
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144 values.append(getattr(obj, h))
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145 except Exception:
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146 values.append(None)
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147 return values
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148
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149
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150 # might be better to hardcode list support since it's so close to the
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151 # core or might be better to make this the copy-style from_* importer
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152 # and have the non-copy style be hardcoded in __init__
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153 class ListInputType(InputType):
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154 def check_type(self, obj):
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155 return isinstance(obj, MutableSequence)
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156
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157 def guess_headers(self, obj):
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158 return None
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159
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160 def get_entry(self, obj, headers):
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161 return obj
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162
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163 def get_entry_seq(self, obj_seq, headers):
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164 return obj_seq
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165
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166
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167 class TupleInputType(InputType):
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168 def check_type(self, obj):
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169 return isinstance(obj, tuple)
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170
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171 def guess_headers(self, obj):
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172 return None
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173
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174 def get_entry(self, obj, headers):
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175 return list(obj)
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176
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177 def get_entry_seq(self, obj_seq, headers):
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178 return [list(t) for t in obj_seq]
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179
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180
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181 class NamedTupleInputType(InputType):
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182 def check_type(self, obj):
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183 return hasattr(obj, '_fields') and isinstance(obj, tuple)
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184
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185 def guess_headers(self, obj):
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186 return list(obj._fields)
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187
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188 def get_entry(self, obj, headers):
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189 return [getattr(obj, h, None) for h in headers]
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190
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191 def get_entry_seq(self, obj_seq, headers):
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192 return [[getattr(obj, h, None) for h in headers] for obj in obj_seq]
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193
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194
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195 class Table(object):
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196 """
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197 This Table class is meant to be simple, low-overhead, and extensible. Its
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198 most common use would be for translation between in-memory data
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199 structures and serialization formats, such as HTML and console-ready text.
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200
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201 As such, it stores data in list-of-lists format, and *does not* copy
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202 lists passed in. It also reserves the right to modify those lists in a
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203 "filling" process, whereby short lists are extended to the width of
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204 the table (usually determined by number of headers). This greatly
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205 reduces overhead and processing/validation that would have to occur
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206 otherwise.
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207
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208 General description of headers behavior:
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209
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210 Headers describe the columns, but are not part of the data, however,
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211 if the *headers* argument is omitted, Table tries to infer header
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212 names from the data. It is possible to have a table with no headers,
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213 just pass in ``headers=None``.
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214
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215 Supported inputs:
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216
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217 * :class:`list` of :class:`list` objects
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218 * :class:`dict` (list/single)
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219 * :class:`object` (list/single)
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220 * :class:`collections.namedtuple` (list/single)
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221 * TODO: DB API cursor?
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222 * TODO: json
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223
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224 Supported outputs:
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225
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226 * HTML
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227 * Pretty text (also usable as GF Markdown)
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228 * TODO: CSV
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229 * TODO: json
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230 * TODO: json lines
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231
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232 To minimize resident size, the Table data is stored as a list of lists.
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233 """
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234
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235 # order definitely matters here
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236 _input_types = [DictInputType(), ListInputType(),
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237 NamedTupleInputType(), TupleInputType(),
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238 ObjectInputType()]
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239
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240 _html_tr, _html_tr_close = '<tr>', '</tr>'
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241 _html_th, _html_th_close = '<th>', '</th>'
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242 _html_td, _html_td_close = '<td>', '</td>'
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243 _html_thead, _html_thead_close = '<thead>', '</thead>'
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244 _html_tbody, _html_tbody_close = '<tbody>', '</tbody>'
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245
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246 # _html_tfoot, _html_tfoot_close = '<tfoot>', '</tfoot>'
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247 _html_table_tag, _html_table_tag_close = '<table>', '</table>'
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248
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249 def __init__(self, data=None, headers=_MISSING, metadata=None):
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250 if headers is _MISSING:
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251 headers = []
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252 if data:
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253 headers, data = list(data[0]), islice(data, 1, None)
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254 self.headers = headers or []
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255 self.metadata = metadata or {}
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256 self._data = []
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257 self._width = 0
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258
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259 self.extend(data)
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260
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261 def extend(self, data):
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262 """
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263 Append the given data to the end of the Table.
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264 """
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265 if not data:
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266 return
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267 self._data.extend(data)
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268 self._set_width()
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269 self._fill()
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270
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271 def _set_width(self, reset=False):
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272 if reset:
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273 self._width = 0
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274 if self._width:
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275 return
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276 if self.headers:
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277 self._width = len(self.headers)
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278 return
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279 self._width = max([len(d) for d in self._data])
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280
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281 def _fill(self):
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282 width, filler = self._width, [None]
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283 if not width:
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284 return
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285 for d in self._data:
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286 rem = width - len(d)
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287 if rem > 0:
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288 d.extend(filler * rem)
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289 return
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290
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291 @classmethod
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292 def from_dict(cls, data, headers=_MISSING, max_depth=1, metadata=None):
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293 """Create a Table from a :class:`dict`. Operates the same as
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294 :meth:`from_data`, but forces interpretation of the data as a
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295 Mapping.
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296 """
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297 return cls.from_data(data=data, headers=headers,
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298 max_depth=max_depth, _data_type=DictInputType(),
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299 metadata=metadata)
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300
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301 @classmethod
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302 def from_list(cls, data, headers=_MISSING, max_depth=1, metadata=None):
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303 """Create a Table from a :class:`list`. Operates the same as
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304 :meth:`from_data`, but forces the interpretation of the data
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305 as a Sequence.
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306 """
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307 return cls.from_data(data=data, headers=headers,
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308 max_depth=max_depth, _data_type=ListInputType(),
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309 metadata=metadata)
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310
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311 @classmethod
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312 def from_object(cls, data, headers=_MISSING, max_depth=1, metadata=None):
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313 """Create a Table from an :class:`object`. Operates the same as
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314 :meth:`from_data`, but forces the interpretation of the data
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315 as an object. May be useful for some :class:`dict` and
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316 :class:`list` subtypes.
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317 """
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318 return cls.from_data(data=data, headers=headers,
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319 max_depth=max_depth, _data_type=ObjectInputType(),
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320 metadata=metadata)
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321
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322 @classmethod
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323 def from_data(cls, data, headers=_MISSING, max_depth=1, **kwargs):
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324
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325 """Create a Table from any supported data, heuristically
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326 selecting how to represent the data in Table format.
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327
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328 Args:
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329 data (object): Any object or iterable with data to be
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330 imported to the Table.
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331
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332 headers (iterable): An iterable of headers to be matched
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333 to the data. If not explicitly passed, headers will be
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334 guessed for certain datatypes.
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335
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336 max_depth (int): The level to which nested Tables should
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337 be created (default: 1).
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338
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339 _data_type (InputType subclass): For advanced use cases,
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340 do not guess the type of the input data, use this data
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341 type instead.
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342 """
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343 # TODO: seen/cycle detection/reuse ?
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344 # maxdepth follows the same behavior as find command
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345 # i.e., it doesn't work if max_depth=0 is passed in
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346 metadata = kwargs.pop('metadata', None)
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347 _data_type = kwargs.pop('_data_type', None)
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348
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349 if max_depth < 1:
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350 # return data instead?
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351 return cls(headers=headers, metadata=metadata)
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352 is_seq = isinstance(data, Sequence)
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353 if is_seq:
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354 if not data:
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355 return cls(headers=headers, metadata=metadata)
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356 to_check = data[0]
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357 if not _data_type:
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358 for it in cls._input_types:
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359 if it.check_type(to_check):
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360 _data_type = it
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361 break
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362 else:
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363 # not particularly happy about this rewind-y approach
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364 is_seq = False
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365 to_check = data
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366 else:
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367 if type(data) in _DNR:
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368 # hmm, got scalar data.
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369 # raise an exception or make an exception, nahmsayn?
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370 return cls([[data]], headers=headers, metadata=metadata)
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371 to_check = data
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372 if not _data_type:
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373 for it in cls._input_types:
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374 if it.check_type(to_check):
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375 _data_type = it
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376 break
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377 else:
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378 raise UnsupportedData('unsupported data type %r'
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379 % type(data))
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380 if headers is _MISSING:
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381 headers = _data_type.guess_headers(to_check)
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382 if is_seq:
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383 entries = _data_type.get_entry_seq(data, headers)
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384 else:
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385 entries = [_data_type.get_entry(data, headers)]
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386 if max_depth > 1:
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387 new_max_depth = max_depth - 1
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388 for i, entry in enumerate(entries):
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389 for j, cell in enumerate(entry):
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diff changeset
390 if type(cell) in _DNR:
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parents:
diff changeset
391 # optimization to avoid function overhead
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parents:
diff changeset
392 continue
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parents:
diff changeset
393 try:
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parents:
diff changeset
394 entries[i][j] = cls.from_data(cell,
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
395 max_depth=new_max_depth)
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parents:
diff changeset
396 except UnsupportedData:
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parents:
diff changeset
397 continue
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parents:
diff changeset
398 return cls(entries, headers=headers, metadata=metadata)
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parents:
diff changeset
399
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parents:
diff changeset
400 def __len__(self):
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parents:
diff changeset
401 return len(self._data)
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parents:
diff changeset
402
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parents:
diff changeset
403 def __getitem__(self, idx):
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parents:
diff changeset
404 return self._data[idx]
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parents:
diff changeset
405
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parents:
diff changeset
406 def __repr__(self):
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parents:
diff changeset
407 cn = self.__class__.__name__
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parents:
diff changeset
408 if self.headers:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
409 return '%s(headers=%r, data=%r)' % (cn, self.headers, self._data)
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parents:
diff changeset
410 else:
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parents:
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411 return '%s(%r)' % (cn, self._data)
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parents:
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412
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parents:
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413 def to_html(self, orientation=None, wrapped=True,
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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414 with_headers=True, with_newlines=True,
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
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415 with_metadata=False, max_depth=1):
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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416 """Render this Table to HTML. Configure the structure of Table
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
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417 HTML by subclassing and overriding ``_html_*`` class
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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418 attributes.
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419
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420 Args:
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421 orientation (str): one of 'auto', 'horizontal', or
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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422 'vertical' (or the first letter of any of
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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423 those). Default 'auto'.
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
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424 wrapped (bool): whether or not to include the wrapping
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
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425 '<table></table>' tags. Default ``True``, set to
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
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426 ``False`` if appending multiple Table outputs or an
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
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427 otherwise customized HTML wrapping tag is needed.
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
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428 with_newlines (bool): Set to ``True`` if output should
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
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429 include added newlines to make the HTML more
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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430 readable. Default ``False``.
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parents:
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431 with_metadata (bool/str): Set to ``True`` if output should
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
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432 be preceded with a Table of preset metadata, if it
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
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433 exists. Set to special value ``'bottom'`` if the
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
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434 metadata Table HTML should come *after* the main HTML output.
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
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435 max_depth (int): Indicate how deeply to nest HTML tables
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
436 before simply reverting to :func:`repr`-ing the nested
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
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437 data.
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
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438
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
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439 Returns:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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440 A text string of the HTML of the rendered table.
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
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441
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442 """
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parents:
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443 lines = []
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parents:
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444 headers = []
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parents:
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445 if with_metadata and self.metadata:
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parents:
diff changeset
446 metadata_table = Table.from_data(self.metadata,
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
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447 max_depth=max_depth)
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
448 metadata_html = metadata_table.to_html(with_headers=True,
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
449 with_newlines=with_newlines,
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parents:
diff changeset
450 with_metadata=False,
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parents:
diff changeset
451 max_depth=max_depth)
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
452 if with_metadata != 'bottom':
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
453 lines.append(metadata_html)
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parents:
diff changeset
454 lines.append('<br />')
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parents:
diff changeset
455
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parents:
diff changeset
456 if with_headers and self.headers:
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parents:
diff changeset
457 headers.extend(self.headers)
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parents:
diff changeset
458 headers.extend([None] * (self._width - len(self.headers)))
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
459 if wrapped:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
460 lines.append(self._html_table_tag)
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
461 orientation = orientation or 'auto'
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
462 ol = orientation[0].lower()
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
463 if ol == 'a':
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
464 ol = 'h' if len(self) > 1 else 'v'
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
465 if ol == 'h':
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parents:
diff changeset
466 self._add_horizontal_html_lines(lines, headers=headers,
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
467 max_depth=max_depth)
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
468 elif ol == 'v':
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parents:
diff changeset
469 self._add_vertical_html_lines(lines, headers=headers,
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
470 max_depth=max_depth)
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
471 else:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
472 raise ValueError("expected one of 'auto', 'vertical', or"
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
473 " 'horizontal', not %r" % orientation)
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
474 if with_metadata and self.metadata and with_metadata == 'bottom':
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
475 lines.append('<br />')
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
476 lines.append(metadata_html)
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
477
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
478 if wrapped:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
479 lines.append(self._html_table_tag_close)
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
480 sep = '\n' if with_newlines else ''
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
481 return sep.join(lines)
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
482
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
483 def get_cell_html(self, value):
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
484 """Called on each value in an HTML table. By default it simply escapes
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
485 the HTML. Override this method to add additional conditions
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
486 and behaviors, but take care to ensure the final output is
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
487 HTML escaped.
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
488 """
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
489 return escape_html(value)
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
490
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
491 def _add_horizontal_html_lines(self, lines, headers, max_depth):
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
492 esc = self.get_cell_html
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
493 new_depth = max_depth - 1 if max_depth > 1 else max_depth
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
494 if max_depth > 1:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
495 new_depth = max_depth - 1
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
496 if headers:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
497 _thth = self._html_th_close + self._html_th
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
498 lines.append(self._html_thead)
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
499 lines.append(self._html_tr + self._html_th +
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
500 _thth.join([esc(h) for h in headers]) +
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
501 self._html_th_close + self._html_tr_close)
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
502 lines.append(self._html_thead_close)
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
503 trtd, _tdtd, _td_tr = (self._html_tr + self._html_td,
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
504 self._html_td_close + self._html_td,
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
505 self._html_td_close + self._html_tr_close)
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
506 lines.append(self._html_tbody)
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
507 for row in self._data:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff changeset
508 if max_depth > 1:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
509 _fill_parts = []
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
510 for cell in row:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
511 if isinstance(cell, Table):
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
512 _fill_parts.append(cell.to_html(max_depth=new_depth))
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
513 else:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
514 _fill_parts.append(esc(cell))
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
515 else:
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff changeset
516 _fill_parts = [esc(c) for c in row]
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
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517 lines.append(''.join([trtd, _tdtd.join(_fill_parts), _td_tr]))
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518 lines.append(self._html_tbody_close)
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519
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520 def _add_vertical_html_lines(self, lines, headers, max_depth):
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521 esc = self.get_cell_html
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522 new_depth = max_depth - 1 if max_depth > 1 else max_depth
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523 tr, th, _th = self._html_tr, self._html_th, self._html_th_close
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524 td, _tdtd = self._html_td, self._html_td_close + self._html_td
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525 _td_tr = self._html_td_close + self._html_tr_close
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526 for i in range(self._width):
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527 line_parts = [tr]
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528 if headers:
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529 line_parts.extend([th, esc(headers[i]), _th])
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530 if max_depth > 1:
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531 new_depth = max_depth - 1
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532 _fill_parts = []
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533 for row in self._data:
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534 cell = row[i]
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535 if isinstance(cell, Table):
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536 _fill_parts.append(cell.to_html(max_depth=new_depth))
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537 else:
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538 _fill_parts.append(esc(row[i]))
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539 else:
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540 _fill_parts = [esc(row[i]) for row in self._data]
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541 line_parts.extend([td, _tdtd.join(_fill_parts), _td_tr])
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542 lines.append(''.join(line_parts))
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543
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544 def to_text(self, with_headers=True, maxlen=None):
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545 """Get the Table's textual representation. Only works well
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546 for Tables with non-recursive data.
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547
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548 Args:
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549 with_headers (bool): Whether to include a header row at the top.
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550 maxlen (int): Max length of data in each cell.
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551 """
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552 lines = []
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553 widths = []
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554 headers = list(self.headers)
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555 text_data = [[to_text(cell, maxlen=maxlen) for cell in row]
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556 for row in self._data]
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557 for idx in range(self._width):
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558 cur_widths = [len(cur) for cur in text_data]
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559 if with_headers:
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560 cur_widths.append(len(to_text(headers[idx], maxlen=maxlen)))
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561 widths.append(max(cur_widths))
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562 if with_headers:
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563 lines.append(' | '.join([h.center(widths[i])
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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564 for i, h in enumerate(headers)]))
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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565 lines.append('-|-'.join(['-' * w for w in widths]))
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566 for row in text_data:
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567 lines.append(' | '.join([cell.center(widths[j])
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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568 for j, cell in enumerate(row)]))
26e78fe6e8c4 "planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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569 return '\n'.join(lines)