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annotate doc/libervia-cli/param.rst @ 3732:0fac164ff2d8

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tools (xml_tools): fix `widget_args` modification in `_dataFormField2XMLUIData`: in `textbox` widget, the first arg was modified with all values, lettings other ones unchanger, resulting in invalid number of arguments. This has been fixed by replacing all args with the new value.
author Goffi <goffi@goffi.org>
date Mon, 31 Jan 2022 18:35:52 +0100
parents 267e4987b58b
children
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1 =================================
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2 param: manage Libervia parameters
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3 =================================
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4
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5 ``param`` commands allows to retrieve or set parameters as well as to export/import them
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6 to a XML file.
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7
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8 Parameters are retrieve using a ``category`` and a ``name``, they are both case sensitive.
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9
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10 ``category`` is the name of the tabs that you see when you set parameters in a frontend
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11 like Cagou or Libervia.
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12
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13 .. note::
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14
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15 You need to have your session started to retrieve of modify parameters. If you can't
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16 or are not willing to connect for any reason (e.g. no internet connection), you can
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17 use the ``--start-session`` option to start the profile session without connecting it
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18 to the XMPP server.
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19
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20 get
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21 ===
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22
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23 Retrieve list of categories, parameters or a specific parameter value:
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24
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25 - without argument, you'll get the list of categories
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26 - with only a category specified, you'll get a list of parameters and their values
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27 - with a category and a name, you'll get the value or requested attribute of the specified
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28 parameters
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29
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30 By default you'll get the value of the parameters, but you can request an other attribute
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31 (for instance its ``type`` or ``constraint``) using the ``-a ATTRIBUTE, --attribute
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32 ATTRIBUTE`` argument.
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33
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34 You can set a security limit to retrieve only parameters allowed with this limit.
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35 Security limit is an integer used in some frontends (like Libervia), to restrict
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36 parameters modifiable by non privileged users. You can set it using ``--security-limit
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37 SECURITY_LIMIT``, by default it is disabled (i.e. all parameters are returned).
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38
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39 examples
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40 --------
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41
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42 Get list of categories::
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43
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44 $ li param get
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45
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46 Get list of parameters in ``General`` category::
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47
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48 $ li param get General
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49
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50 Get JID set for default profile. It is set in ``Connection`` category, with the parameters
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51 named ``JabberID`` (be careful with the case)::
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52
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53 $ li param get Connection JabberID
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54
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55 Get the type of the ``check_certificate`` parameters in ``Connection`` category::
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56
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57 $ li param get Connection check_certificate -a type
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58
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59 Get the constraint of the ``Priority`` parameters in ``Connection`` category::
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60
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61 $ li param get Connection Priority -a constraint
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62
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63 set
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64 ===
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65
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66 As expected, this command set a Libervia parameter. The ``category``, ``name`` and ``value``
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67 are needed as positional arguments.
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68
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69 ``--security-limit SECURITY_LIMIT`` can be used if you want an update to be rejected if
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70 the parameter is not modifiable with this limit. This can be useful if you use ``li`` from
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71 an external tool and you want to limit damage risks, or for testing purpose.
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72
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73 examples
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74 --------
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75
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76 Use Markdown_ syntax for composition (e.g. for editing blog posts)::
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77
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78 $ li param set Composition Syntax markdown
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79
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80 Try to change jid of the profile with a low security limit, this command should fail::
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81
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82 $ li param set --security-limit 0 Connection JabberID some_random_jid@example.org
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83
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84 .. _Markdown: https://daringfireball.net/projects/markdown/
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85
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86 .. _libervia-cli_param_save:
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87
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88 save
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89 ====
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90
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91 Save the parameters structure to an external files. The parameters are saved as XML. The only
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92 expected argument is the path to the destination file.
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93
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94 .. note::
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95
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96 it's the parameters structure and not the parameters values which are saved. This is
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97 low level method and most end users won't probably need it
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98
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99 example
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100 -------
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101
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102 Save parameters structure to ``~/parameters.xml``::
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103
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104 $ li param save ~/parameters.xml
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105
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106 .. _libervia-cli_param_load:
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107
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108 load
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109 ====
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110
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111 Load and merge the parameters structure from external XML files. The only expected
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112 argument is the path to the source file.
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113
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114 .. note::
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115
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116 it's the parameters structure and not the parameters values which is loaded and merged.
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117 This is low level method and most end users won't probably need it
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118
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119 example
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120 -------
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121
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122 Load and merge parameters structure from ``~/parameters.xml``::
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123
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124 $ li param load ~/parameters.xml