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annotate scripts/pkg/private/installed_packages.m @ 20815:a260a6acb70f

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fix test failures introduced by a22d8a2eb0e5 * scripts/ode/private/integrate_adaptive.m: fix stepping backwards, fix invocation of OutputFcn, fix text of some error messages * scripts/ode/private/integrate_const.m: remove use of option OutputSave * scripts/ode/private/integrate_n_steps.m: remove use of option OutputSave
author Carlo de Falco <carlo.defalco@polimi.it>
date Sun, 11 Oct 2015 23:09:01 +0200
parents ad7fe3cb6fd2
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
19898
4197fc428c7d maint: Update copyright notices for 2015.
John W. Eaton <jwe@octave.org>
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1 ## Copyright (C) 2005-2015 Søren Hauberg
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2 ## Copyright (C) 2010 VZLU Prague, a.s.
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3 ##
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4 ## This file is part of Octave.
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5 ##
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6 ## Octave is free software; you can redistribute it and/or modify it
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7 ## under the terms of the GNU General Public License as published by
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8 ## the Free Software Foundation; either version 3 of the License, or (at
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9 ## your option) any later version.
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10 ##
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11 ## Octave is distributed in the hope that it will be useful, but
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12 ## WITHOUT ANY WARRANTY; without even the implied warranty of
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13 ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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14 ## General Public License for more details.
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15 ##
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16 ## You should have received a copy of the GNU General Public License
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17 ## along with Octave; see the file COPYING. If not, see
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18 ## <http://www.gnu.org/licenses/>.
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19
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20 ## -*- texinfo -*-
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21 ## @deftypefn {Function File} {[@var{out1}, @var{out2}] =} installed_packages (@var{local_list}, @var{global_list})
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22 ## Undocumented internal function.
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23 ## @end deftypefn
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24
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25 function [out1, out2] = installed_packages (local_list, global_list, pkgname = {})
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26
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27 ## Get the list of installed packages.
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28 try
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29 local_packages = load (local_list).local_packages;
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30 catch
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31 local_packages = {};
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32 end_try_catch
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33 try
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34 global_packages = load (global_list).global_packages;
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35 catch
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36 global_packages = {};
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37 end_try_catch
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38 installed_pkgs_lst = {local_packages{:}, global_packages{:}};
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39
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40 ## Eliminate duplicates in the installed package list.
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41 ## Locally installed packages take precedence.
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42 installed_names = cellfun (@(x) x.name, installed_pkgs_lst,
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43 "uniformoutput", false);
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44 [~, idx] = unique (installed_names, "first");
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45 installed_names = installed_names(idx);
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46 installed_pkgs_lst = installed_pkgs_lst(idx);
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47
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48 ## Check whether info on a particular package was requested
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49 if (! isempty (pkgname))
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50 idx = find (strcmp (pkgname{1}, installed_names));
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51 if (isempty (idx))
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52 installed_names = {};
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53 installed_pkgs_lst = {};
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54 else
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55 installed_names = installed_names(idx);
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56 installed_pkgs_lst = installed_pkgs_lst(idx);
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57 endif
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58 endif
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59
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60 ## Now check if the package is loaded.
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61 ## FIXME: couldn't dir_in_loadpath() be used here?
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62 tmppath = strrep (path (), "\\", "/");
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63 for i = 1:numel (installed_pkgs_lst)
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64 if (strfind (tmppath, strrep (installed_pkgs_lst{i}.dir, '\', '/')))
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65 installed_pkgs_lst{i}.loaded = true;
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66 else
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67 installed_pkgs_lst{i}.loaded = false;
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68 endif
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69 endfor
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70 for i = 1:numel (local_packages)
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71 if (strfind (tmppath, strrep (local_packages{i}.dir, '\', '/')))
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72 local_packages{i}.loaded = true;
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73 else
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74 local_packages{i}.loaded = false;
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75 endif
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76 endfor
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77 for i = 1:numel (global_packages)
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78 if (strfind (tmppath, strrep (global_packages{i}.dir, '\', '/')))
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79 global_packages{i}.loaded = true;
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80 else
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81 global_packages{i}.loaded = false;
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82 endif
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83 endfor
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84
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85 ## Should we return something?
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86 if (nargout == 1)
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87 out1 = installed_pkgs_lst;
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88 elseif (nargout > 1)
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89 out1 = local_packages;
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90 out2 = global_packages;
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91 else
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92 ## Don't return anything, instead we'll print something.
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93 num_packages = numel (installed_pkgs_lst);
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94 if (num_packages == 0)
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95 if (isempty (pkgname))
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96 printf ("no packages installed.\n");
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97 else
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98 printf ("package %s is not installed.\n", pkgname{1});
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99 endif
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100 return;
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101 endif
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102
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103 ## Compute the maximal lengths of name, version, and dir.
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104 h1 = "Package Name";
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105 h2 = "Version";
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106 h3 = "Installation directory";
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107 max_name_length = max ([length(h1), cellfun(@length, installed_names)]);
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108 version_lengths = cellfun (@(x) length (x.version), installed_pkgs_lst);
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109 max_version_length = max ([length(h2), version_lengths]);
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110 ncols = terminal_size ()(2);
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111 max_dir_length = ncols - max_name_length - max_version_length - 7;
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112 if (max_dir_length < 20)
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113 max_dir_length = Inf;
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114 endif
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115
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116 h1 = postpad (h1, max_name_length + 1, " ");
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117 h2 = postpad (h2, max_version_length, " ");;
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118
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119 ## Print a header.
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120 header = sprintf ("%s | %s | %s\n", h1, h2, h3);
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121 printf (header);
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122 tmp = sprintf (repmat ("-", 1, length (header) - 1));
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123 tmp(length(h1)+2) = "+";
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124 tmp(length(h1)+length(h2)+5) = "+";
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125 printf ("%s\n", tmp);
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126
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127 ## Print the packages.
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128 format = sprintf ("%%%ds %%1s| %%%ds | %%s\n",
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129 max_name_length, max_version_length);
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130 for i = 1:num_packages
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131 cur_name = installed_pkgs_lst{i}.name;
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132 cur_version = installed_pkgs_lst{i}.version;
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133 cur_dir = installed_pkgs_lst{i}.dir;
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134 if (length (cur_dir) > max_dir_length)
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135 first_char = length (cur_dir) - max_dir_length + 4;
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136 first_filesep = strfind (cur_dir(first_char:end), filesep ());
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137 if (! isempty (first_filesep))
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138 cur_dir = ["..." cur_dir((first_char + first_filesep(1) - 1):end)];
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139 else
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140 cur_dir = ["..." cur_dir(first_char:end)];
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141 endif
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142 endif
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143 if (installed_pkgs_lst{i}.loaded)
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144 cur_loaded = "*";
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145 else
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146 cur_loaded = " ";
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147 endif
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148 printf (format, cur_name, cur_loaded, cur_version, cur_dir);
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149 endfor
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150 endif
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151 endfunction