Added support for Yaml content.

11 files changed, 1897 insertions, 0 deletions

diff --git a/plugins/yaml/python/Makefile.am b/plugins/yaml/python/Makefile.am
new file mode 100644
index 0000000..8a8d960
--- /dev/null
+++ b/plugins/yaml/python/Makefile.am
@@ -0,0 +1,22 @@
+
+noinst_LTLIBRARIES = libyamlpython.la
+
+libyamlpython_la_SOURCES =					\
+	line.h line.c							\
+	module.h module.c						\
+	node.h node.c							\
+	reader.h reader.c						\
+	tree.h tree.c
+
+libyamlpython_la_LDFLAGS = 
+
+
+devdir = $(includedir)/chrysalide-$(subdir)
+
+dev_HEADERS = $(libyamlpython_la_SOURCES:%c=)
+
+
+AM_CPPFLAGS = $(LIBGTK_CFLAGS) $(LIBXML_CFLAGS) $(LIBPYTHON_CFLAGS) $(LIBPYGOBJECT_CFLAGS) \
+	-I$(top_srcdir)/src -DNO_IMPORT_PYGOBJECT
+
+AM_CFLAGS = $(DEBUG_CFLAGS) $(WARNING_FLAGS) $(COMPLIANCE_FLAGS)
diff --git a/plugins/yaml/python/line.c b/plugins/yaml/python/line.c
new file mode 100644
index 0000000..11898d2
--- /dev/null
+++ b/plugins/yaml/python/line.c
@@ -0,0 +1,430 @@
+
+/* Chrysalide - Outil d'analyse de fichiers binaires
+ * line.c - équivalent Python du fichier "plugins/yaml/line.c"
+ *
+ * Copyright (C) 2019 Cyrille Bagard
+ *
+ *  This file is part of Chrysalide.
+ *
+ *  Chrysalide is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  Chrysalide is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program; if not, write to the Free Software
+ *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+
+
+#include "line.h"
+
+
+#include <pygobject.h>
+
+
+#include <plugins/pychrysalide/helpers.h>
+
+
+#include "../line.h"
+
+
+
+/* Crée un nouvel objet Python de type 'YamlLine'. */
+static PyObject *py_yaml_line_new(PyTypeObject *, PyObject *, PyObject *);
+
+/* Fournit la taille de l'indentation d'une ligne Yaml. */
+static PyObject *py_yaml_line_get_indent(PyObject *, void *);
+
+/* Indique si la ligne représente un élément de liste. */
+static PyObject *py_yaml_line_is_list_item(PyObject *, void *);
+
+/* Fournit la charge utile associée à une ligne Yaml. */
+static PyObject *py_yaml_line_get_payload(PyObject *, void *);
+
+/* Fournit la clef associée à une ligne Yaml si elle existe. */
+static PyObject *py_yaml_line_get_key(PyObject *, void *);
+
+/* Fournit la valeur associée à une ligne Yaml si elle existe. */
+static PyObject *py_yaml_line_get_value(PyObject *, void *);
+
+
+
+/******************************************************************************
+*                                                                             *
+*  Paramètres  : type = type de l'objet à instancier.                         *
+*                args = arguments fournis à l'appel.                          *
+*                kwds = arguments de type key=val fournis.                    *
+*                                                                             *
+*  Description : Crée un nouvel objet Python de type 'YamlLine'.              *
+*                                                                             *
+*  Retour      : Instance Python mise en place.                               *
+*                                                                             *
+*  Remarques   : -                                                            *
+*                                                                             *
+******************************************************************************/
+
+static PyObject *py_yaml_line_new(PyTypeObject *type, PyObject *args, PyObject *kwds)
+{
+    PyObject *result;                       /* Instance à retourner        */
+    const char *raw;                        /* Données Yaml brutes         */
+    Py_ssize_t index;                       /* Indice de ligne associée    */
+    int ret;                                /* Bilan de lecture des args.  */
+    GYamlLine *line;                        /* Création GLib à transmettre */
+
+#define YAML_LINE_DOC                                                   \
+    "YamlLine handles a line of Yaml data.\n"                           \
+    "\n"                                                                \
+    "The data may be a couple of key/value, a comment, aso.\n"          \
+    "\n"                                                                \
+    "Instances can be created using the following constructor:\n"       \
+    "\n"                                                                \
+    "    YamlTree(raw, number)"                                         \
+    "\n"                                                                \
+    "Where raw is a string providing raw data and number the index"     \
+    " of the line in the overall stream."
+
+    ret = PyArg_ParseTuple(args, "sn", &raw, &index);
+    if (!ret) return NULL;
+
+    line = g_yaml_line_new(raw, index);
+
+    if (line == NULL)
+    {
+        result = Py_None;
+        Py_INCREF(result);
+    }
+
+    else
+    {
+        g_object_ref_sink(G_OBJECT(line));
+        result = pygobject_new(G_OBJECT(line));
+        g_object_unref(line);
+    }
+
+    return result;
+
+}
+
+
+/******************************************************************************
+*                                                                             *
+*  Paramètres  : self    = objet Python concerné par l'appel.                 *
+*                closure = non utilisé ici.                                   *
+*                                                                             *
+*  Description : Fournit la taille de l'indentation d'une ligne Yaml.         *
+*                                                                             *
+*  Retour      : Taille de l'indentation rencontrée.                          *
+*                                                                             *
+*  Remarques   : -                                                            *
+*                                                                             *
+******************************************************************************/
+
+static PyObject *py_yaml_line_get_indent(PyObject *self, void *closure)
+{
+    PyObject *result;                       /* Résultat à retourner        */
+    GYamlLine *line;                        /* Version GLib du type        */
+    size_t indent;                          /* Taille de l'indentation     */
+
+#define YAML_LINE_INDENT_ATTRIB PYTHON_GET_DEF_FULL     \
+(                                                       \
+    indent, py_yaml_line,                               \
+    "Quantity of characters used for the indentation."  \
+)
+
+    line = G_YAML_LINE(pygobject_get(self));
+
+    indent = g_yaml_line_count_indent(line);
+
+    result = PyLong_FromSize_t(indent);
+
+    return result;
+
+}
+
+
+/******************************************************************************
+*                                                                             *
+*  Paramètres  : self    = objet Python concerné par l'appel.                 *
+*                closure = non utilisé ici.                                   *
+*                                                                             *
+*  Description : Indique si la ligne représente un élément de liste.          *
+*                                                                             *
+*  Retour      : Statut de l'état lié à une liste d'éléments.                 *
+*                                                                             *
+*  Remarques   : -                                                            *
+*                                                                             *
+******************************************************************************/
+
+static PyObject *py_yaml_line_is_list_item(PyObject *self, void *closure)
+{
+    PyObject *result;                       /* Résultat à retourner        */
+    GYamlLine *line;                        /* Version GLib du type        */
+    bool status;                            /* Statut de la ligne          */
+
+#define YAML_LINE_IS_LIST_ITEM_ATTRIB PYTHON_IS_DEF_FULL    \
+(                                                           \
+    list_item, py_yaml_line,                                \
+    "Tell if the line starts a new list item."              \
+)
+
+    line = G_YAML_LINE(pygobject_get(self));
+
+    status = g_yaml_line_is_list_item(line);
+
+    result = status ? Py_True : Py_False;
+    Py_INCREF(result);
+
+    return result;
+
+}
+
+
+/******************************************************************************
+*                                                                             *
+*  Paramètres  : self    = objet Python concerné par l'appel.                 *
+*                closure = non utilisé ici.                                   *
+*                                                                             *
+*  Description : Fournit la charge utile associée à une ligne Yaml.           *
+*                                                                             *
+*  Retour      : Contenu sous forme de chaîne de caractères.                  *
+*                                                                             *
+*  Remarques   : -                                                            *
+*                                                                             *
+******************************************************************************/
+
+static PyObject *py_yaml_line_get_payload(PyObject *self, void *closure)
+{
+    PyObject *result;                       /* Résultat à retourner        */
+    GYamlLine *line;                        /* Version GLib du type        */
+    const char *payload;                    /* Chaîne à transmettre        */
+
+#define YAML_LINE_PAYLOAD_ATTRIB PYTHON_GET_DEF_FULL    \
+(                                                       \
+    payload, py_yaml_line,                              \
+    "Payload of the Yaml line."                         \
+)
+
+    line = G_YAML_LINE(pygobject_get(self));
+
+    payload = g_yaml_line_get_payload(line);
+
+    result = PyUnicode_FromString(payload);
+
+    return result;
+
+}
+
+
+/******************************************************************************
+*                                                                             *
+*  Paramètres  : self    = objet Python concerné par l'appel.                 *
+*                closure = non utilisé ici.                                   *
+*                                                                             *
+*  Description : Fournit la clef associée à une ligne Yaml si elle existe.    *
+*                                                                             *
+*  Retour      : Clef sous forme de chaîne de caractères ou None.             *
+*                                                                             *
+*  Remarques   : -                                                            *
+*                                                                             *
+******************************************************************************/
+
+static PyObject *py_yaml_line_get_key(PyObject *self, void *closure)
+{
+    PyObject *result;                       /* Résultat à retourner        */
+    GYamlLine *line;                        /* Version GLib du type        */
+    const char *key;                        /* Chaîne à transmettre        */
+
+#define YAML_LINE_KEY_ATTRIB PYTHON_GET_DEF_FULL    \
+(                                                   \
+    key, py_yaml_line,                              \
+    "Key linked to the Yaml line or None."          \
+)
+
+    line = G_YAML_LINE(pygobject_get(self));
+
+    key = g_yaml_line_get_key(line);
+
+    if (key == NULL)
+    {
+        result = Py_None;
+        Py_INCREF(result);
+    }
+
+    else
+        result = PyUnicode_FromString(key);
+
+    return result;
+
+}
+
+
+/******************************************************************************
+*                                                                             *
+*  Paramètres  : self    = objet Python concerné par l'appel.                 *
+*                closure = non utilisé ici.                                   *
+*                                                                             *
+*  Description : Fournit la valeur associée à une ligne Yaml si elle existe.  *
+*                                                                             *
+*  Retour      : Valeur sous forme de chaîne de caractères ou None.           *
+*                                                                             *
+*  Remarques   : -                                                            *
+*                                                                             *
+******************************************************************************/
+
+static PyObject *py_yaml_line_get_value(PyObject *self, void *closure)
+{
+    PyObject *result;                       /* Résultat à retourner        */
+    GYamlLine *line;                        /* Version GLib du type        */
+    const char *value;                      /* Chaîne à transmettre        */
+
+#define YAML_LINE_VALUE_ATTRIB PYTHON_GET_DEF_FULL  \
+(                                                   \
+    value, py_yaml_line,                            \
+    "Value linked to the Yaml line or None."        \
+)
+
+    line = G_YAML_LINE(pygobject_get(self));
+
+    value = g_yaml_line_get_value(line);
+
+    if (value == NULL)
+    {
+        result = Py_None;
+        Py_INCREF(result);
+    }
+
+    else
+        result = PyUnicode_FromString(value);
+
+    return result;
+
+}
+
+
+/******************************************************************************
+*                                                                             *
+*  Paramètres  : -                                                            *
+*                                                                             *
+*  Description : Fournit un accès à une définition de type à diffuser.        *
+*                                                                             *
+*  Retour      : Définition d'objet pour Python.                              *
+*                                                                             *
+*  Remarques   : -                                                            *
+*                                                                             *
+******************************************************************************/
+
+PyTypeObject *get_python_yaml_line_type(void)
+{
+    static PyMethodDef py_yaml_line_methods[] = {
+        { NULL }
+    };
+
+    static PyGetSetDef py_yaml_line_getseters[] = {
+        YAML_LINE_INDENT_ATTRIB,
+        YAML_LINE_IS_LIST_ITEM_ATTRIB,
+        YAML_LINE_PAYLOAD_ATTRIB,
+        YAML_LINE_KEY_ATTRIB,
+        YAML_LINE_VALUE_ATTRIB,
+        { NULL }
+    };
+
+    static PyTypeObject py_yaml_line_type = {
+
+        PyVarObject_HEAD_INIT(NULL, 0)
+
+        .tp_name        = "pychrysalide.plugins.yaml.YamlLine",
+        .tp_basicsize   = sizeof(PyGObject),
+
+        .tp_flags       = Py_TPFLAGS_DEFAULT,
+
+        .tp_doc         = YAML_LINE_DOC,
+
+        .tp_methods     = py_yaml_line_methods,
+        .tp_getset      = py_yaml_line_getseters,
+        .tp_new         = py_yaml_line_new
+
+    };
+
+    return &py_yaml_line_type;
+
+}
+
+
+/******************************************************************************
+*                                                                             *
+*  Paramètres  : module = module dont la définition est à compléter.          *
+*                                                                             *
+*  Description : Prend en charge l'objet 'pychrysalide.plugins.....YamlLine.  *
+*                                                                             *
+*  Retour      : Bilan de l'opération.                                        *
+*                                                                             *
+*  Remarques   : -                                                            *
+*                                                                             *
+******************************************************************************/
+
+bool register_python_yaml_line(PyObject *module)
+{
+    PyTypeObject *type;                     /* Type Python 'YamlLine'      */
+    PyObject *dict;                         /* Dictionnaire du module      */
+
+    type = get_python_yaml_line_type();
+
+    dict = PyModule_GetDict(module);
+
+    if (!register_class_for_pygobject(dict, G_TYPE_YAML_LINE, type, &PyGObject_Type))
+        return false;
+
+    return true;
+
+}
+
+
+/******************************************************************************
+*                                                                             *
+*  Paramètres  : arg = argument quelconque à tenter de convertir.             *
+*                dst = destination des valeurs récupérées en cas de succès.   *
+*                                                                             *
+*  Description : Tente de convertir en ligne de données au format Yaml.       *
+*                                                                             *
+*  Retour      : Bilan de l'opération, voire indications supplémentaires.     *
+*                                                                             *
+*  Remarques   : -                                                            *
+*                                                                             *
+******************************************************************************/
+
+int convert_to_yaml_line(PyObject *arg, void *dst)
+{
+    int result;                             /* Bilan à retourner           */
+
+    result = PyObject_IsInstance(arg, (PyObject *)get_python_yaml_line_type());
+
+    switch (result)
+    {
+        case -1:
+            /* L'exception est déjà fixée par Python */
+            result = 0;
+            break;
+
+        case 0:
+            PyErr_SetString(PyExc_TypeError, "unable to convert the provided argument to Yaml line");
+            break;
+
+        case 1:
+            *((GYamlLine **)dst) = G_YAML_LINE(pygobject_get(arg));
+            break;
+
+        default:
+            assert(false);
+            break;
+
+    }
+
+    return result;
+
+}
diff --git a/plugins/yaml/python/line.h b/plugins/yaml/python/line.h
new file mode 100644
index 0000000..00dcbd9
--- /dev/null
+++ b/plugins/yaml/python/line.h
@@ -0,0 +1,45 @@
+
+/* Chrysalide - Outil d'analyse de fichiers binaires
+ * line.h - prototypes pour l'équivalent Python du fichier "plugins/yaml/line.h"
+ *
+ * Copyright (C) 2019 Cyrille Bagard
+ *
+ *  This file is part of Chrysalide.
+ *
+ *  Chrysalide is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  Chrysalide is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program; if not, write to the Free Software
+ *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+
+
+#ifndef _PLUGINS_YAML_PYTHON_LINE_H
+#define _PLUGINS_YAML_PYTHON_LINE_H
+
+
+#include <Python.h>
+#include <stdbool.h>
+
+
+
+/* Fournit un accès à une définition de type à diffuser. */
+PyTypeObject *get_python_yaml_line_type(void);
+
+/* Prend en charge l'objet 'pychrysalide.plugins.yaml.YamlLine'. */
+bool register_python_yaml_line(PyObject *);
+
+/* Tente de convertir en ligne de données au format Yaml. */
+int convert_to_yaml_line(PyObject *, void *);
+
+
+
+#endif  /* _PLUGINS_YAML_PYTHON_LINE_H */
diff --git a/plugins/yaml/python/module.c b/plugins/yaml/python/module.c
new file mode 100644
index 0000000..542a551
--- /dev/null
+++ b/plugins/yaml/python/module.c
@@ -0,0 +1,120 @@
+
+/* Chrysalide - Outil d'analyse de fichiers binaires
+ * module.c - intégration du répertoire yaml en tant que module
+ *
+ * Copyright (C) 2019 Cyrille Bagard
+ *
+ *  This file is part of Chrysalide.
+ *
+ *  Chrysalide is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  Chrysalide is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program; if not, write to the Free Software
+ *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+
+
+#include "module.h"
+
+
+#include <assert.h>
+#include <Python.h>
+
+
+#include <plugins/pychrysalide/access.h>
+#include <plugins/pychrysalide/helpers.h>
+
+
+#include "line.h"
+#include "node.h"
+#include "reader.h"
+#include "tree.h"
+
+
+
+/******************************************************************************
+*                                                                             *
+*  Paramètres  : -                                                            *
+*                                                                             *
+*  Description : Ajoute le module 'plugins.yaml' au module Python.            *
+*                                                                             *
+*  Retour      : -                                                            *
+*                                                                             *
+*  Remarques   : -                                                            *
+*                                                                             *
+******************************************************************************/
+
+bool add_yaml_module_to_python_module(void)
+{
+    bool result;                            /* Bilan à retourner           */
+    PyObject *super;                        /* Module à compléter          */
+    PyObject *module;                       /* Sous-module mis en place    */
+
+#define PYCHRYSALIDE_PLUGINS_YAML_DOC                           \
+    "yaml is a module providing access to Yaml content."
+
+    static PyModuleDef py_chrysalide_yaml_module = {
+
+        .m_base = PyModuleDef_HEAD_INIT,
+
+        .m_name = "pychrysalide.plugins.yaml",
+        .m_doc = PYCHRYSALIDE_PLUGINS_YAML_DOC,
+
+        .m_size = -1,
+
+    };
+
+    result = false;
+
+    super = get_access_to_python_module("pychrysalide.plugins");
+
+    module = build_python_module(super, &py_chrysalide_yaml_module);
+
+    result = (module != NULL);
+
+    assert(result);
+
+    return result;
+
+}
+
+
+/******************************************************************************
+*                                                                             *
+*  Paramètres  : -                                                            *
+*                                                                             *
+*  Description : Intègre les objets du module 'plugins.yaml'.                 *
+*                                                                             *
+*  Retour      : Bilan de l'opération.                                        *
+*                                                                             *
+*  Remarques   : -                                                            *
+*                                                                             *
+******************************************************************************/
+
+bool populate_yaml_module(void)
+{
+    bool result;                            /* Bilan à retourner           */
+    PyObject *module;                       /* Module à recompléter        */
+
+    result = true;
+
+    module = get_access_to_python_module("pychrysalide.plugins.yaml");
+
+    if (result) result = register_python_yaml_line(module);
+    if (result) result = register_python_yaml_node(module);
+    if (result) result = register_python_yaml_reader(module);
+    if (result) result = register_python_yaml_tree(module);
+
+    assert(result);
+
+    return result;
+
+}
diff --git a/plugins/yaml/python/module.h b/plugins/yaml/python/module.h
new file mode 100644
index 0000000..c4782f7
--- /dev/null
+++ b/plugins/yaml/python/module.h
@@ -0,0 +1,41 @@
+
+/* Chrysalide - Outil d'analyse de fichiers binaires
+ * module.h - prototypes pour l'intégration du répertoire yaml en tant que module
+ *
+ * Copyright (C) 2019 Cyrille Bagard
+ *
+ *  This file is part of Chrysalide.
+ *
+ *  Chrysalide is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  Chrysalide is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program; if not, write to the Free Software
+ *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+
+
+#ifndef _PLUGINS_YAML_PYTHON_MODULE_H
+#define _PLUGINS_YAML_PYTHON_MODULE_H
+
+
+#include <stdbool.h>
+
+
+
+/* Ajoute le module 'plugins.yaml' au module Python. */
+bool add_yaml_module_to_python_module(void);
+
+/* Intègre les objets du module 'plugins.yaml'. */
+bool populate_yaml_module(void);
+
+
+
+#endif  /* _PLUGINS_YAML_PYTHON_MODULE_H */
diff --git a/plugins/yaml/python/node.c b/plugins/yaml/python/node.c
new file mode 100644
index 0000000..d1aabee
--- /dev/null
+++ b/plugins/yaml/python/node.c
@@ -0,0 +1,363 @@
+
+/* Chrysalide - Outil d'analyse de fichiers binaires
+ * node.c - équivalent Python du fichier "plugins/yaml/node.c"
+ *
+ * Copyright (C) 2019 Cyrille Bagard
+ *
+ *  This file is part of Chrysalide.
+ *
+ *  Chrysalide is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  Chrysalide is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program; if not, write to the Free Software
+ *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+
+
+#include "node.h"
+
+
+#include <pygobject.h>
+
+
+#include <plugins/pychrysalide/helpers.h>
+
+
+#include "line.h"
+#include "../node.h"
+
+
+
+/* Crée un nouvel objet Python de type 'YamlNode'. */
+static PyObject *py_yaml_node_new(PyTypeObject *, PyObject *, PyObject *);
+
+/* Recherche le noeud correspondant à un chemin. */
+static PyObject *py_yaml_node_find_node_by_path(PyObject *, PyObject *);
+
+/* Fournit la ligne principale associée à un noeud. */
+static PyObject *py_yaml_node_get_yaml_line(PyObject *, void *);
+
+/* Fournit la liste des noeuds intégrés dans un noeud Yaml. */
+static PyObject *py_yaml_node_get_children(PyObject *, void *);
+
+
+
+/******************************************************************************
+*                                                                             *
+*  Paramètres  : type = type de l'objet à instancier.                         *
+*                args = arguments fournis à l'appel.                          *
+*                kwds = arguments de type key=val fournis.                    *
+*                                                                             *
+*  Description : Crée un nouvel objet Python de type 'YamlNode'.              *
+*                                                                             *
+*  Retour      : Instance Python mise en place.                               *
+*                                                                             *
+*  Remarques   : -                                                            *
+*                                                                             *
+******************************************************************************/
+
+static PyObject *py_yaml_node_new(PyTypeObject *type, PyObject *args, PyObject *kwds)
+{
+    PyObject *result;                       /* Instance à retourner        */
+    GYamlLine *key;                         /* Ligne principale du noeud   */
+    int ret;                                /* Bilan de lecture des args.  */
+    GYamlNode *node;                        /* Création GLib à transmettre */
+
+#define YAML_NODE_DOC                                                   \
+    "YamlNode handle a node in a Yaml tree.\n"                          \
+    "\n"                                                                \
+    "Instances can be created using the following constructor:\n"       \
+    "\n"                                                                \
+    "    YamlNode(key)\n"                                               \
+    "\n"                                                                \
+    "Where key is the main Yaml line for the node."
+
+    ret = PyArg_ParseTuple(args, "O&", &convert_to_yaml_line, &key);
+    if (!ret) return NULL;
+
+    node = g_yaml_node_new(key);
+
+    g_object_ref_sink(G_OBJECT(node));
+    result = pygobject_new(G_OBJECT(node));
+    g_object_unref(node);
+
+    return result;
+
+}
+
+
+/******************************************************************************
+*                                                                             *
+*  Paramètres  : self = variable non utilisée ici.                            *
+*                args = arguments fournis à l'appel.                          *
+*                                                                             *
+*  Description : Recherche le noeud correspondant à un chemin.                *
+*                                                                             *
+*  Retour      : Eventuel noeud trouvé ou NULL si aucun.                      *
+*                                                                             *
+*  Remarques   : -                                                            *
+*                                                                             *
+******************************************************************************/
+
+static PyObject *py_yaml_node_find_node_by_path(PyObject *self, PyObject *args)
+{
+    PyObject *result;                       /* Instance à retourner        */
+    const char *path;                       /* Chemin d'accès à traiter    */
+    int ret;                                /* Bilan de lecture des args.  */
+    GYamlNode *node;                        /* Version GLib du type        */
+    GYamlNode *found;                       /* Création GLib à transmettre */
+
+#define YAML_NODE_FIND_BY_PATH PYTHON_METHOD_DEF                            \
+(                                                                           \
+    find_node_by_path, "path",                                              \
+    METH_VARARGS, py_yaml_node,                                             \
+    "Find a child node in a Yaml node by its path.\n"                       \
+    "\n"                                                                    \
+    "Paths are node keys separated by '/', such as '/my/path/to/node'."     \
+)
+
+    ret = PyArg_ParseTuple(args, "s", &path);
+    if (!ret) return NULL;
+
+    node = G_YAML_NODE(pygobject_get(self));
+
+    found = g_yaml_node_find_node_by_path(node, path);
+
+    if (found == NULL)
+    {
+        result = Py_None;
+        Py_INCREF(result);
+    }
+
+    else
+    {
+        result = pygobject_new(G_OBJECT(found));
+        g_object_unref(found);
+    }
+
+    return result;
+
+}
+
+
+/******************************************************************************
+*                                                                             *
+*  Paramètres  : self    = objet Python concerné par l'appel.                 *
+*                closure = non utilisé ici.                                   *
+*                                                                             *
+*  Description : Fournit la ligne principale associée à un noeud.             *
+*                                                                             *
+*  Retour      : Ligne Yaml à l'origine du noeud.                             *
+*                                                                             *
+*  Remarques   : -                                                            *
+*                                                                             *
+******************************************************************************/
+
+static PyObject *py_yaml_node_get_yaml_line(PyObject *self, void *closure)
+{
+    PyObject *result;                       /* Résultat à retourner        */
+    GYamlNode *node;                        /* Version GLib du type        */
+    GYamlLine *line;                        /* Line Yaml associée          */
+
+#define YAML_NODE_YAML_LINE_ATTRIB PYTHON_GET_DEF_FULL      \
+(                                                           \
+    yaml_line, py_yaml_node,                                \
+    "Orginal Yaml line linked to the node."                 \
+)
+
+    node = G_YAML_NODE(pygobject_get(self));
+
+    line = g_yaml_node_get_yaml_line(node);
+
+    result = pygobject_new(G_OBJECT(line));
+
+    g_object_unref(G_OBJECT(line));
+
+    return result;
+
+}
+
+
+/******************************************************************************
+*                                                                             *
+*  Paramètres  : self    = objet Python concerné par l'appel.                 *
+*                closure = non utilisé ici.                                   *
+*                                                                             *
+*  Description : Fournit la liste des noeuds intégrés dans un noeud Yaml.     *
+*                                                                             *
+*  Retour      : Enfants d'un noeud issu d'une arborescence Yaml.             *
+*                                                                             *
+*  Remarques   : -                                                            *
+*                                                                             *
+******************************************************************************/
+
+static PyObject *py_yaml_node_get_children(PyObject *self, void *closure)
+{
+    PyObject *result;                       /* Résultat à retourner        */
+    GYamlNode *node;                        /* Version GLib du type        */
+    size_t count;                           /* Quantité de noeuds à traiter*/
+    GYamlNode **nodes;                      /* Liste des noeuds à la racine*/
+    size_t i;                               /* Boucle de parcours          */
+#ifndef NDEBUG
+    int ret;                                /* Bilan d'une insertion       */
+#endif
+
+#define YAML_NODE_CHILDREN_ATTRIB PYTHON_GET_DEF_FULL           \
+(                                                               \
+    children, py_yaml_node,                                     \
+    "List of nodes which are children of the current node."     \
+)
+
+    node = G_YAML_NODE(pygobject_get(self));
+
+    nodes = g_yaml_node_get_children(node, &count);
+
+    result = PyTuple_New(count);
+
+    for (i = 0; i < count; i++)
+    {
+#ifndef NDEBUG
+        ret = PyTuple_SetItem(result, i, pygobject_new(G_OBJECT(nodes[i])));
+        assert(ret == 0);
+#else
+        PyTuple_SetItem(result, i, pygobject_new(G_OBJECT(nodes[i])));
+#endif
+
+        g_object_unref(G_OBJECT(nodes[i]));
+
+    }
+
+    free(nodes);
+
+    return result;
+
+}
+
+
+/******************************************************************************
+*                                                                             *
+*  Paramètres  : -                                                            *
+*                                                                             *
+*  Description : Fournit un accès à une définition de type à diffuser.        *
+*                                                                             *
+*  Retour      : Définition d'objet pour Python.                              *
+*                                                                             *
+*  Remarques   : -                                                            *
+*                                                                             *
+******************************************************************************/
+
+PyTypeObject *get_python_yaml_node_type(void)
+{
+    static PyMethodDef py_yaml_node_methods[] = {
+        YAML_NODE_FIND_BY_PATH,
+        { NULL }
+    };
+
+    static PyGetSetDef py_yaml_node_getseters[] = {
+        YAML_NODE_YAML_LINE_ATTRIB,
+        YAML_NODE_CHILDREN_ATTRIB,
+        { NULL }
+    };
+
+    static PyTypeObject py_yaml_node_type = {
+
+        PyVarObject_HEAD_INIT(NULL, 0)
+
+        .tp_name        = "pychrysalide.plugins.yaml.YamlNode",
+        .tp_basicsize   = sizeof(PyGObject),
+
+        .tp_flags       = Py_TPFLAGS_DEFAULT,
+
+        .tp_doc         = YAML_NODE_DOC,
+
+        .tp_methods     = py_yaml_node_methods,
+        .tp_getset      = py_yaml_node_getseters,
+        .tp_new         = py_yaml_node_new
+
+    };
+
+    return &py_yaml_node_type;
+
+}
+
+
+/******************************************************************************
+*                                                                             *
+*  Paramètres  : module = module dont la définition est à compléter.          *
+*                                                                             *
+*  Description : Prend en charge l'objet 'pychrysalide.plugins.....YamlNode.  *
+*                                                                             *
+*  Retour      : Bilan de l'opération.                                        *
+*                                                                             *
+*  Remarques   : -                                                            *
+*                                                                             *
+******************************************************************************/
+
+bool register_python_yaml_node(PyObject *module)
+{
+    PyTypeObject *type;                     /* Type Python 'YamlNode'      */
+    PyObject *dict;                         /* Dictionnaire du module      */
+
+    type = get_python_yaml_node_type();
+
+    dict = PyModule_GetDict(module);
+
+    if (!register_class_for_pygobject(dict, G_TYPE_YAML_NODE, type, &PyGObject_Type))
+        return false;
+
+    return true;
+
+}
+
+
+/******************************************************************************
+*                                                                             *
+*  Paramètres  : arg = argument quelconque à tenter de convertir.             *
+*                dst = destination des valeurs récupérées en cas de succès.   *
+*                                                                             *
+*  Description : Tente de convertir en noeud d'arborescence de format Yaml.   *
+*                                                                             *
+*  Retour      : Bilan de l'opération, voire indications supplémentaires.     *
+*                                                                             *
+*  Remarques   : -                                                            *
+*                                                                             *
+******************************************************************************/
+
+int convert_to_yaml_node(PyObject *arg, void *dst)
+{
+    int result;                             /* Bilan à retourner           */
+
+    result = PyObject_IsInstance(arg, (PyObject *)get_python_yaml_node_type());
+
+    switch (result)
+    {
+        case -1:
+            /* L'exception est déjà fixée par Python */
+            result = 0;
+            break;
+
+        case 0:
+            PyErr_SetString(PyExc_TypeError, "unable to convert the provided argument to Yaml node");
+            break;
+
+        case 1:
+            *((GYamlNode **)dst) = G_YAML_NODE(pygobject_get(arg));
+            break;
+
+        default:
+            assert(false);
+            break;
+
+    }
+
+    return result;
+
+}
diff --git a/plugins/yaml/python/node.h b/plugins/yaml/python/node.h
new file mode 100644
index 0000000..dc3686b
--- /dev/null
+++ b/plugins/yaml/python/node.h
@@ -0,0 +1,45 @@
+
+/* Chrysalide - Outil d'analyse de fichiers binaires
+ * node.h - prototypes pour l'équivalent Python du fichier "plugins/yaml/node.h"
+ *
+ * Copyright (C) 2019 Cyrille Bagard
+ *
+ *  This file is part of Chrysalide.
+ *
+ *  Chrysalide is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  Chrysalide is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program; if not, write to the Free Software
+ *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+
+
+#ifndef _PLUGINS_YAML_PYTHON_NODE_H
+#define _PLUGINS_YAML_PYTHON_NODE_H
+
+
+#include <Python.h>
+#include <stdbool.h>
+
+
+
+/* Fournit un accès à une définition de type à diffuser. */
+PyTypeObject *get_python_yaml_node_type(void);
+
+/* Prend en charge l'objet 'pychrysalide.plugins.yaml.YamlNode'. */
+bool register_python_yaml_node(PyObject *);
+
+/* Tente de convertir en noeud d'arborescence de format Yaml. */
+int convert_to_yaml_node(PyObject *, void *);
+
+
+
+#endif  /* _PLUGINS_YAML_PYTHON_NODE_H */
diff --git a/plugins/yaml/python/reader.c b/plugins/yaml/python/reader.c
new file mode 100644
index 0000000..43db6bb
--- /dev/null
+++ b/plugins/yaml/python/reader.c
@@ -0,0 +1,375 @@
+
+/* Chrysalide - Outil d'analyse de fichiers binaires
+ * reader.c - équivalent Python du fichier "plugins/yaml/reader.c"
+ *
+ * Copyright (C) 2019 Cyrille Bagard
+ *
+ *  This file is part of Chrysalide.
+ *
+ *  Chrysalide is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  Chrysalide is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program; if not, write to the Free Software
+ *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+
+
+#include "reader.h"
+
+
+#include <pygobject.h>
+
+
+#include <plugins/pychrysalide/helpers.h>
+
+
+#include "../reader.h"
+
+
+
+#define YAML_READER_DOC                                                                         \
+    "YamlReader is the class which aims to provide a reader interface to Yaml content.\n"       \
+    "\n"                                                                                        \
+    "When no input error, the Yaml content can be retrieved line by line or thanks to a tree."
+
+
+
+/* Crée un lecteur pour contenu au format Yaml. */
+static PyObject *py_yaml_reader_new_from_content(PyObject *, PyObject *);
+
+/* Crée un lecteur pour contenu au format Yaml. */
+static PyObject *py_yaml_reader_new_from_path(PyObject *, PyObject *);
+
+/* Fournit la liste des lignes lues depuis un contenu Yaml. */
+static PyObject *py_yaml_reader_get_lines(PyObject *, void *);
+
+/* Fournit l'arborescence associée à la lecture de lignes Yaml. */
+static PyObject *py_yaml_reader_get_tree(PyObject *, void *);
+
+
+
+/******************************************************************************
+*                                                                             *
+*  Paramètres  : self = variable non utilisée ici.                            *
+*                args = arguments fournis à l'appel.                          *
+*                                                                             *
+*  Description : Crée un lecteur pour contenu au format Yaml.                 *
+*                                                                             *
+*  Retour      : Instance mise en place ou None en cas d'échec.               *
+*                                                                             *
+*  Remarques   : -                                                            *
+*                                                                             *
+******************************************************************************/
+
+static PyObject *py_yaml_reader_new_from_content(PyObject *self, PyObject *args)
+{
+    PyObject *result;                       /* Instance à retourner        */
+    const char *content;                    /* Contenu brut au format Yaml */
+    int length;                             /* Taille de ce contenu        */
+    int ret;                                /* Bilan de lecture des args.  */
+    GYamlReader *reader;                    /* Création GLib à transmettre */
+
+#define YAML_READER_NEW_FROM_CONTENT PYTHON_METHOD_DEF  \
+(                                                       \
+    new_from_content, "content",                        \
+    METH_STATIC | METH_VARARGS, py_yaml_reader,         \
+    "Load a Yaml content."                              \
+)
+
+    ret = PyArg_ParseTuple(args, "s#", &content, &length);
+    if (!ret) return NULL;
+
+    reader = g_yaml_reader_new_from_content(content, length);
+
+    if (reader == NULL)
+    {
+        result = Py_None;
+        Py_INCREF(result);
+    }
+
+    else
+    {
+        g_object_ref_sink(G_OBJECT(reader));
+        result = pygobject_new(G_OBJECT(reader));
+        g_object_unref(reader);
+    }
+
+    return result;
+
+}
+
+
+/******************************************************************************
+*                                                                             *
+*  Paramètres  : self = variable non utilisée ici.                            *
+*                args = arguments fournis à l'appel.                          *
+*                                                                             *
+*  Description : Crée un lecteur pour contenu au format Yaml.                 *
+*                                                                             *
+*  Retour      : Instance mise en place ou None en cas d'échec.               *
+*                                                                             *
+*  Remarques   : -                                                            *
+*                                                                             *
+******************************************************************************/
+
+static PyObject *py_yaml_reader_new_from_path(PyObject *self, PyObject *args)
+{
+    PyObject *result;                       /* Instance à retourner        */
+    const char *path;                       /* Chemin d'accès à un contenu */
+    int ret;                                /* Bilan de lecture des args.  */
+    GYamlReader *reader;                    /* Création GLib à transmettre */
+
+#define YAML_READER_NEW_FROM_PATH PYTHON_METHOD_DEF     \
+(                                                       \
+    new_from_path, "path",                              \
+    METH_STATIC | METH_VARARGS, py_yaml_reader,         \
+    "Load a Yaml content from a path.\n"                \
+    "\n"                                                \
+    "The path can be a filename or a resource URI."     \
+)
+
+    ret = PyArg_ParseTuple(args, "s", &path);
+    if (!ret) return NULL;
+
+    reader = g_yaml_reader_new_from_path(path);
+
+    if (reader == NULL)
+    {
+        result = Py_None;
+        Py_INCREF(result);
+    }
+
+    else
+    {
+        g_object_ref_sink(G_OBJECT(reader));
+        result = pygobject_new(G_OBJECT(reader));
+        g_object_unref(reader);
+    }
+
+    return result;
+
+}
+
+
+/******************************************************************************
+*                                                                             *
+*  Paramètres  : self    = objet Python concerné par l'appel.                 *
+*                closure = non utilisé ici.                                   *
+*                                                                             *
+*  Description : Fournit la liste des lignes lues depuis un contenu Yaml.     *
+*                                                                             *
+*  Retour      : Liste de lignes correspondant au contenu Yaml lu.            *
+*                                                                             *
+*  Remarques   : -                                                            *
+*                                                                             *
+******************************************************************************/
+
+static PyObject *py_yaml_reader_get_lines(PyObject *self, void *closure)
+{
+    PyObject *result;                       /* Résultat à retourner        */
+    GYamlReader *reader;                    /* Version GLib du type        */
+    size_t count;                           /* Quantité de lignes à traiter*/
+    GYamlLine **lines;                      /* Liste de lignes lues        */
+    size_t i;                               /* Boucle de parcours          */
+#ifndef NDEBUG
+    int ret;                                /* Bilan d'une insertion       */
+#endif
+
+#define YAML_READER_LINES_ATTRIB PYTHON_GET_DEF_FULL    \
+(                                                       \
+    lines, py_yaml_reader,                              \
+    "List of Yaml lines processed by the reader."       \
+)
+
+    reader = G_YAML_READER(pygobject_get(self));
+
+    lines = g_yaml_reader_get_lines(reader, &count);
+
+    result = PyTuple_New(count);
+
+    for (i = 0; i < count; i++)
+    {
+#ifndef NDEBUG
+        ret = PyTuple_SetItem(result, i, pygobject_new(G_OBJECT(lines[i])));
+        assert(ret == 0);
+#else
+        PyTuple_SetItem(result, i, pygobject_new(G_OBJECT(lines[i])));
+#endif
+
+        g_object_unref(G_OBJECT(lines[i]));
+
+    }
+
+    free(lines);
+
+    return result;
+
+}
+
+
+/******************************************************************************
+*                                                                             *
+*  Paramètres  : self    = objet Python concerné par l'appel.                 *
+*                closure = non utilisé ici.                                   *
+*                                                                             *
+*  Description : Fournit l'arborescence associée à la lecture de lignes Yaml. *
+*                                                                             *
+*  Retour      : Arborescence constituée par la lecture du contenu Yaml.      *
+*                                                                             *
+*  Remarques   : -                                                            *
+*                                                                             *
+******************************************************************************/
+
+static PyObject *py_yaml_reader_get_tree(PyObject *self, void *closure)
+{
+    PyObject *result;                       /* Résultat à retourner        */
+    GYamlReader *reader;                    /* Version GLib du type        */
+    GYamlTree *tree;                        /* Arborescence associée       */
+
+#define YAML_READER_TREE_ATTRIB PYTHON_GET_DEF_FULL     \
+(                                                       \
+    tree, py_yaml_reader,                               \
+    "Tree of all nodes built from the Yaml content."    \
+)
+
+    reader = G_YAML_READER(pygobject_get(self));
+
+    tree = g_yaml_reader_get_tree(reader);
+
+    result = pygobject_new(G_OBJECT(tree));
+
+    g_object_unref(G_OBJECT(tree));
+
+    return result;
+
+}
+
+
+/******************************************************************************
+*                                                                             *
+*  Paramètres  : -                                                            *
+*                                                                             *
+*  Description : Fournit un accès à une définition de type à diffuser.        *
+*                                                                             *
+*  Retour      : Définition d'objet pour Python.                              *
+*                                                                             *
+*  Remarques   : -                                                            *
+*                                                                             *
+******************************************************************************/
+
+PyTypeObject *get_python_yaml_reader_type(void)
+{
+    static PyMethodDef py_yaml_reader_methods[] = {
+        YAML_READER_NEW_FROM_CONTENT,
+        YAML_READER_NEW_FROM_PATH,
+        { NULL }
+    };
+
+    static PyGetSetDef py_yaml_reader_getseters[] = {
+        YAML_READER_LINES_ATTRIB,
+        YAML_READER_TREE_ATTRIB,
+        { NULL }
+    };
+
+    static PyTypeObject py_yaml_reader_type = {
+
+        PyVarObject_HEAD_INIT(NULL, 0)
+
+        .tp_name        = "pychrysalide.plugins.yaml.YamlReader",
+        .tp_basicsize   = sizeof(PyGObject),
+
+        .tp_flags       = Py_TPFLAGS_DEFAULT,
+
+        .tp_doc         = YAML_READER_DOC,
+
+        .tp_methods     = py_yaml_reader_methods,
+        .tp_getset      = py_yaml_reader_getseters,
+        .tp_new         = no_python_constructor_allowed
+
+    };
+
+    return &py_yaml_reader_type;
+
+}
+
+
+/******************************************************************************
+*                                                                             *
+*  Paramètres  : module = module dont la définition est à compléter.          *
+*                                                                             *
+*  Description : Prend en charge l'objet 'pychrysalide.plugins.....YamlReader.*
+*                                                                             *
+*  Retour      : Bilan de l'opération.                                        *
+*                                                                             *
+*  Remarques   : -                                                            *
+*                                                                             *
+******************************************************************************/
+
+bool register_python_yaml_reader(PyObject *module)
+{
+    PyTypeObject *type;                     /* Type Python 'YamlReader'    */
+    PyObject *dict;                         /* Dictionnaire du module      */
+
+    type = get_python_yaml_reader_type();
+
+    dict = PyModule_GetDict(module);
+
+    if (!register_class_for_pygobject(dict, G_TYPE_YAML_READER, type, &PyGObject_Type))
+        return false;
+
+    return true;
+
+}
+
+
+/******************************************************************************
+*                                                                             *
+*  Paramètres  : arg = argument quelconque à tenter de convertir.             *
+*                dst = destination des valeurs récupérées en cas de succès.   *
+*                                                                             *
+*  Description : Tente de convertir en lecteur de données au format Yaml.     *
+*                                                                             *
+*  Retour      : Bilan de l'opération, voire indications supplémentaires.     *
+*                                                                             *
+*  Remarques   : -                                                            *
+*                                                                             *
+******************************************************************************/
+
+int convert_to_yaml_reader(PyObject *arg, void *dst)
+{
+    int result;                             /* Bilan à retourner           */
+
+    result = PyObject_IsInstance(arg, (PyObject *)get_python_yaml_reader_type());
+
+    switch (result)
+    {
+        case -1:
+            /* L'exception est déjà fixée par Python */
+            result = 0;
+            break;
+
+        case 0:
+            PyErr_SetString(PyExc_TypeError, "unable to convert the provided argument to Yaml reader");
+            break;
+
+        case 1:
+            *((GYamlReader **)dst) = G_YAML_READER(pygobject_get(arg));
+            break;
+
+        default:
+            assert(false);
+            break;
+
+    }
+
+    return result;
+
+}
diff --git a/plugins/yaml/python/reader.h b/plugins/yaml/python/reader.h
new file mode 100644
index 0000000..19d238b
--- /dev/null
+++ b/plugins/yaml/python/reader.h
@@ -0,0 +1,45 @@
+
+/* Chrysalide - Outil d'analyse de fichiers binaires
+ * reader.h - prototypes pour l'équivalent Python du fichier "plugins/yaml/reader.h"
+ *
+ * Copyright (C) 2019 Cyrille Bagard
+ *
+ *  This file is part of Chrysalide.
+ *
+ *  Chrysalide is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  Chrysalide is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program; if not, write to the Free Software
+ *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+
+
+#ifndef _PLUGINS_YAML_PYTHON_READER_H
+#define _PLUGINS_YAML_PYTHON_READER_H
+
+
+#include <Python.h>
+#include <stdbool.h>
+
+
+
+/* Fournit un accès à une définition de type à diffuser. */
+PyTypeObject *get_python_yaml_reader_type(void);
+
+/* Prend en charge l'objet 'pychrysalide.plugins.yaml.YamlReader'. */
+bool register_python_yaml_reader(PyObject *);
+
+/* Tente de convertir en lecteur de données au format Yaml. */
+int convert_to_yaml_reader(PyObject *, void *);
+
+
+
+#endif  /* _PLUGINS_YAML_PYTHON_READER_H */
diff --git a/plugins/yaml/python/tree.c b/plugins/yaml/python/tree.c
new file mode 100644
index 0000000..9e1a2a3
--- /dev/null
+++ b/plugins/yaml/python/tree.c
@@ -0,0 +1,366 @@
+
+/* Chrysalide - Outil d'analyse de fichiers binaires
+ * tree.c - équivalent Python du fichier "plugins/yaml/tree.c"
+ *
+ * Copyright (C) 2019 Cyrille Bagard
+ *
+ *  This file is part of Chrysalide.
+ *
+ *  Chrysalide is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  Chrysalide is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program; if not, write to the Free Software
+ *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+
+
+#include "tree.h"
+
+
+#include <pygobject.h>
+
+
+#include <i18n.h>
+#include <plugins/pychrysalide/helpers.h>
+
+
+#include "line.h"
+#include "../tree.h"
+
+
+
+/* Crée un nouvel objet Python de type 'YamlTree'. */
+static PyObject *py_yaml_tree_new(PyTypeObject *, PyObject *, PyObject *);
+
+/* Recherche le noeud correspondant à un chemin. */
+static PyObject *py_yaml_tree_find_node_by_path(PyObject *, PyObject *);
+
+/* Fournit la liste des premiers noeuds de l'arborescence Yaml. */
+static PyObject *py_yaml_tree_get_root_nodes(PyObject *, void *);
+
+
+
+/******************************************************************************
+*                                                                             *
+*  Paramètres  : type = type de l'objet à instancier.                         *
+*                args = arguments fournis à l'appel.                          *
+*                kwds = arguments de type key=val fournis.                    *
+*                                                                             *
+*  Description : Crée un nouvel objet Python de type 'YamlTree'.              *
+*                                                                             *
+*  Retour      : Instance Python mise en place.                               *
+*                                                                             *
+*  Remarques   : -                                                            *
+*                                                                             *
+******************************************************************************/
+
+static PyObject *py_yaml_tree_new(PyTypeObject *type, PyObject *args, PyObject *kwds)
+{
+    PyObject *result;                       /* Instance à retourner        */
+    Py_ssize_t indent;                      /* Indice de ligne associée    */
+    PyObject *tuple;                        /* Liste de lignes Yaml        */
+    int ret;                                /* Bilan de lecture des args.  */
+    size_t count;                           /* Nombre d'éléments présents  */
+    GYamlLine **lines;                      /* Lignes au format Yaml       */
+    size_t i;                               /* Boucle de parcours #1       */
+    PyObject *item;                         /* Elément de la liste fournie */
+    size_t k;                               /* Boucle de parcours #2       */
+    GYamlTree *tree;                        /* Création GLib à transmettre */
+
+#define YAML_TREE_DOC                                                       \
+    "YamlTree offers a hierarchical access to Yaml lines as a tree.\n"      \
+    "\n"                                                                    \
+    "Instances can be created using the following constructor:\n"           \
+    "\n"                                                                    \
+    "    YamlTree(indent, lines)"                                           \
+    "\n"                                                                    \
+    "Where indent provides the length of a single level of indentation"     \
+    " and lines are a tuple of Yaml lines used to built the tree."
+
+    ret = PyArg_ParseTuple(args, "nO!", &indent, &PyTuple_Type, &tuple);
+    if (!ret) return NULL;
+
+    count = PyTuple_Size(tuple);
+
+    lines = (GYamlLine **)malloc(count * sizeof(GYamlLine *));
+
+    for (i = 0; i < count; i++)
+    {
+        item = PyTuple_GetItem(tuple, i);
+
+        ret = convert_to_yaml_line(item, &lines[i]);
+
+        if (ret == 0)
+            g_object_ref(G_OBJECT(lines[i]));
+
+        else
+            goto arg_error;
+
+    }
+
+    tree = g_yaml_tree_new(indent, lines, count);
+
+ arg_error:
+
+    for (k = 0; k < i; k++)
+        g_object_unref(G_OBJECT(lines[i]));
+
+    free(lines);
+
+    /* S'il y a eu une erreur... */
+    if (i < count) return NULL;
+
+    if (tree == NULL)
+    {
+        result = Py_None;
+        Py_INCREF(result);
+    }
+
+    else
+    {
+        g_object_ref_sink(G_OBJECT(tree));
+        result = pygobject_new(G_OBJECT(tree));
+        g_object_unref(tree);
+    }
+
+    return result;
+
+}
+
+
+/******************************************************************************
+*                                                                             *
+*  Paramètres  : self = variable non utilisée ici.                            *
+*                args = arguments fournis à l'appel.                          *
+*                                                                             *
+*  Description : Recherche le noeud correspondant à un chemin.                *
+*                                                                             *
+*  Retour      : Eventuel noeud trouvé ou NULL si aucun.                      *
+*                                                                             *
+*  Remarques   : -                                                            *
+*                                                                             *
+******************************************************************************/
+
+static PyObject *py_yaml_tree_find_node_by_path(PyObject *self, PyObject *args)
+{
+    PyObject *result;                       /* Instance à retourner        */
+    const char *path;                       /* Chemin d'accès à traiter    */
+    int ret;                                /* Bilan de lecture des args.  */
+    GYamlTree *tree;                        /* Version GLib du type        */
+    GYamlNode *found;                       /* Création GLib à transmettre */
+
+#define YAML_TREE_FIND_BY_PATH PYTHON_METHOD_DEF                            \
+(                                                                           \
+    find_node_by_path, "path",                                              \
+    METH_VARARGS, py_yaml_tree,                                             \
+    "Find a node in a Yaml tree by its path.\n"                             \
+    "\n"                                                                    \
+    "Paths are node keys separated by '/', such as '/my/path/to/node'."     \
+)
+
+    ret = PyArg_ParseTuple(args, "s", &path);
+    if (!ret) return NULL;
+
+    tree = G_YAML_TREE(pygobject_get(self));
+
+    found = g_yaml_tree_find_node_by_path(tree, path);
+
+    if (found == NULL)
+    {
+        result = Py_None;
+        Py_INCREF(result);
+    }
+
+    else
+    {
+        result = pygobject_new(G_OBJECT(found));
+        g_object_unref(found);
+    }
+
+    return result;
+
+}
+
+
+/******************************************************************************
+*                                                                             *
+*  Paramètres  : self    = objet Python concerné par l'appel.                 *
+*                closure = non utilisé ici.                                   *
+*                                                                             *
+*  Description : Fournit la liste des premiers noeuds de l'arborescence Yaml. *
+*                                                                             *
+*  Retour      : Noeuds constituant les racines de l'arborescence.            *
+*                                                                             *
+*  Remarques   : -                                                            *
+*                                                                             *
+******************************************************************************/
+
+static PyObject *py_yaml_tree_get_root_nodes(PyObject *self, void *closure)
+{
+    PyObject *result;                       /* Résultat à retourner        */
+    GYamlTree *tree;                        /* Version GLib du type        */
+    size_t count;                           /* Quantité de noeuds à traiter*/
+    GYamlNode **nodes;                      /* Liste des noeuds à la racine*/
+    size_t i;                               /* Boucle de parcours          */
+#ifndef NDEBUG
+    int ret;                                /* Bilan d'une insertion       */
+#endif
+
+#define YAML_TREE_ROOT_NODES_ATTRIB PYTHON_GET_DEF_FULL             \
+(                                                                   \
+    root_nodes, py_yaml_tree,                                       \
+    "List of Yaml nodes which are the roots of all tree nodes."     \
+)
+
+    tree = G_YAML_TREE(pygobject_get(self));
+
+    nodes = g_yaml_tree_get_root_nodes(tree, &count);
+
+    result = PyTuple_New(count);
+
+    for (i = 0; i < count; i++)
+    {
+#ifndef NDEBUG
+        ret = PyTuple_SetItem(result, i, pygobject_new(G_OBJECT(nodes[i])));
+        assert(ret == 0);
+#else
+        PyTuple_SetItem(result, i, pygobject_new(G_OBJECT(nodes[i])));
+#endif
+
+        g_object_unref(G_OBJECT(nodes[i]));
+
+    }
+
+    free(nodes);
+
+    return result;
+
+}
+
+
+/******************************************************************************
+*                                                                             *
+*  Paramètres  : -                                                            *
+*                                                                             *
+*  Description : Fournit un accès à une définition de type à diffuser.        *
+*                                                                             *
+*  Retour      : Définition d'objet pour Python.                              *
+*                                                                             *
+*  Remarques   : -                                                            *
+*                                                                             *
+******************************************************************************/
+
+PyTypeObject *get_python_yaml_tree_type(void)
+{
+    static PyMethodDef py_yaml_tree_methods[] = {
+        YAML_TREE_FIND_BY_PATH,
+        { NULL }
+    };
+
+    static PyGetSetDef py_yaml_tree_getseters[] = {
+        YAML_TREE_ROOT_NODES_ATTRIB,
+        { NULL }
+    };
+
+    static PyTypeObject py_yaml_tree_type = {
+
+        PyVarObject_HEAD_INIT(NULL, 0)
+
+        .tp_name        = "pychrysalide.plugins.yaml.YamlTree",
+        .tp_basicsize   = sizeof(PyGObject),
+
+        .tp_flags       = Py_TPFLAGS_DEFAULT,
+
+        .tp_doc         = YAML_TREE_DOC,
+
+        .tp_methods     = py_yaml_tree_methods,
+        .tp_getset      = py_yaml_tree_getseters,
+        .tp_new         = py_yaml_tree_new
+
+    };
+
+    return &py_yaml_tree_type;
+
+}
+
+
+/******************************************************************************
+*                                                                             *
+*  Paramètres  : module = module dont la définition est à compléter.          *
+*                                                                             *
+*  Description : Prend en charge l'objet 'pychrysalide.plugins.....YamlTree.  *
+*                                                                             *
+*  Retour      : Bilan de l'opération.                                        *
+*                                                                             *
+*  Remarques   : -                                                            *
+*                                                                             *
+******************************************************************************/
+
+bool register_python_yaml_tree(PyObject *module)
+{
+    PyTypeObject *type;                     /* Type Python 'YamlTree'      */
+    PyObject *dict;                         /* Dictionnaire du module      */
+
+    type = get_python_yaml_tree_type();
+
+    dict = PyModule_GetDict(module);
+
+    if (!register_class_for_pygobject(dict, G_TYPE_YAML_TREE, type, &PyGObject_Type))
+        return false;
+
+    return true;
+
+}
+
+
+/******************************************************************************
+*                                                                             *
+*  Paramètres  : arg = argument quelconque à tenter de convertir.             *
+*                dst = destination des valeurs récupérées en cas de succès.   *
+*                                                                             *
+*  Description : Tente de convertir en arborescence de lignes au format Yaml. *
+*                                                                             *
+*  Retour      : Bilan de l'opération, voire indications supplémentaires.     *
+*                                                                             *
+*  Remarques   : -                                                            *
+*                                                                             *
+******************************************************************************/
+
+int convert_to_yaml_tree(PyObject *arg, void *dst)
+{
+    int result;                             /* Bilan à retourner           */
+
+    result = PyObject_IsInstance(arg, (PyObject *)get_python_yaml_tree_type());
+
+    switch (result)
+    {
+        case -1:
+            /* L'exception est déjà fixée par Python */
+            result = 0;
+            break;
+
+        case 0:
+            PyErr_SetString(PyExc_TypeError, "unable to convert the provided argument to Yaml tree");
+            break;
+
+        case 1:
+            *((GYamlTree **)dst) = G_YAML_TREE(pygobject_get(arg));
+            break;
+
+        default:
+            assert(false);
+            break;
+
+    }
+
+    return result;
+
+}
diff --git a/plugins/yaml/python/tree.h b/plugins/yaml/python/tree.h
new file mode 100644
index 0000000..df9d5b8
--- /dev/null
+++ b/plugins/yaml/python/tree.h
@@ -0,0 +1,45 @@
+
+/* Chrysalide - Outil d'analyse de fichiers binaires
+ * tree.h - prototypes pour l'équivalent Python du fichier "plugins/yaml/tree.h"
+ *
+ * Copyright (C) 2019 Cyrille Bagard
+ *
+ *  This file is part of Chrysalide.
+ *
+ *  Chrysalide is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  Chrysalide is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program; if not, write to the Free Software
+ *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+
+
+#ifndef _PLUGINS_YAML_PYTHON_TREE_H
+#define _PLUGINS_YAML_PYTHON_TREE_H
+
+
+#include <Python.h>
+#include <stdbool.h>
+
+
+
+/* Fournit un accès à une définition de type à diffuser. */
+PyTypeObject *get_python_yaml_tree_type(void);
+
+/* Prend en charge l'objet 'pychrysalide.plugins.yaml.YamlTree'. */
+bool register_python_yaml_tree(PyObject *);
+
+/* Tente de convertir en arborescence de lignes au format Yaml. */
+int convert_to_yaml_tree(PyObject *, void *);
+
+
+
+#endif  /* _PLUGINS_YAML_PYTHON_TREE_H */