node_export.drush.inc in Node export 6.3
Same filename and directory in other branches
Drush support for node_export.
File
node_export.drush.incView source
<?php
/**
* @file
* Drush support for node_export.
*/
/**
* Implementation of hook_drush_command().
*/
function node_export_drush_command() {
$items = array();
$items['node-export-export'] = array(
'callback' => 'drupal_node_export_callback_export',
'description' => "Export nodes using Node export.",
'arguments' => array(
'nids' => "A list of space-separated node IDs to export.",
),
'options' => array(
'file' => "The filename of the output file. If supplied, the node code will be exported to that file, otherwise it will export to stdout.",
'format' => "If supplied, node code will be output using a particular export format, if available. (e.g. serialize)",
'status' => "Filter for 'status'; A boolean value (0 or 1) indicating whether the node is published (visible to non-administrators).",
'promote' => "Filter for 'promote'; A boolean value (0 or 1) indicating whether the node should be displayed on the front page.",
'sticky' => "Filter for 'sticky'; A boolean value (0 or 1) indicating whether the node should be displayed at the top of lists in which it appears.",
'translate' => "Filter for 'translate'; A boolean value (0 or 1) indicating whether the node translation needs to be updated.",
'language' => "Filter for 'language'; The language code (e.g. de or en-US) of this node.",
'type' => "Filter for 'type'; The machine-readable name (e.g. story or page) of the type of this node.",
'sql' => "Filter by SQL (EXPERIMENTAL); An SQL query string that returns nids (e.g. \"SELECT nid FROM nodes WHERE nid < 10\").",
'code' => "Filter by PHP code (EXPERIMENTAL); PHP code that prints or returns, an array or CSV string of nids (e.g. \"custom_get_my_nids();\"). Don't include PHP tags.",
),
'examples' => array(
'drush node-export-export 45 46 47 --file=filename' => "export nodes with node IDs 45, 46, and 47 to the file with the supplied filename.",
'drush node-export-export --type=story,page --file=filename' => "export nodes of type story and page to the file with the supplied filename.",
),
);
$items['node-export-import'] = array(
'callback' => 'drupal_node_export_callback_import',
'description' => "Import nodes previously exported with Node export.",
'options' => array(
'uid' => "User ID of user to save nodes as. If not given will use the user with an ID of 1. You may specify 0 for the Anonymous user.",
'file' => "The filename of the input file. If supplied, the node code will be imported from that file, otherwise it will import to stdin.",
),
'examples' => array(
'drush node-export-import --file=filename' => 'Import nodes from the file with the given filename.',
'drush node-export-import --uid=2 --file=filename' => "Import nodes from the file with the given filename. The author of the nodes will be set to the user that has the user ID of 2.",
),
);
// Add aliases for usability.
node_export_drush_command_add_alias($items, 'node-export-export', 'node-export');
node_export_drush_command_add_alias($items, 'node-export-export', 'ne-export');
node_export_drush_command_add_alias($items, 'node-export-import', 'ne-import');
return $items;
}
/**
* A function to help alias commands as other commands.
*/
function node_export_drush_command_add_alias(&$items, $command, $alias) {
// Create a property on the command for adding aliases, if not there.
if (!isset($items[$command]['node_export command aliases'])) {
$items[$command]['node_export command aliases'] = array();
}
// Record the alias into that property.
$items[$command]['node_export command aliases'][] = $alias;
// Create the alias as a new command.
$items[$alias] = $items[$command];
// Indicate what this new command is an alias for.
$items[$alias]['node_export alias for'] = $command;
}
/**
* Implementation of hook_drush_help().
*
* This function is called whenever a drush user calls
* 'drush help <name-of-your-command>'
*
* @param
* A string with the help section (prepend with 'drush:')
*
* @return
* A string with the help text for your command.
*/
function node_export_drush_help($section) {
// This is to prevent duplication of information from hook_drush_command().
$commands = node_export_drush_command();
foreach ($commands as $command => $command_info) {
if ($section == 'drush:' . $command) {
$out = $command_info['description'];
if (isset($command_info['node_export alias for'])) {
$output .= "\nThis command is an alias for ";
$output .= $command_info['node_export alias for'] . ".";
}
if (isset($command_info['node_export command aliases'])) {
if (count($command_info['node_export command aliases']) == 1) {
$output .= "\nThis command can be called by it's alias; ";
$output .= $command_info['node_export command aliases'] . ".";
}
else {
$last_alias = array_pop($command_info['node_export command aliases']);
$output .= "\nThis command can be called by it's aliases; ";
$output .= implode(", ", $command_info['node_export command aliases']);
$output .= ", or " . $last_alias . ".";
}
}
$out .= "\n\nArguments:";
if (isset($command_info['arguments'])) {
foreach ($command_info['arguments'] as $k => $v) {
$out .= "\n " . $k . " : " . $v;
}
}
$out .= "\n\nOptions:";
if (isset($command_info['options'])) {
foreach ($command_info['options'] as $k => $v) {
$out .= "\n " . $k . " : " . $v;
}
}
$out .= "\n\nExamples:";
if (isset($command_info['examples'])) {
foreach ($command_info['examples'] as $k => $v) {
$out .= "\n \\'" . $k . "\\' : " . $v;
}
}
return dt($out);
}
}
}
/**
* Drush command callback.
*
* export nodes.
*/
function drupal_node_export_callback_export() {
// Set up an array of nid_filters.
$nid_filters = array();
// The base nids.
$args = array_filter(func_get_args(), 'is_numeric');
if ($args) {
$nid_filters['base'] = $args;
}
// Filter for values in the node table (except for nids).
$filters = array(
'status' => "%d",
'promote' => "%d",
'sticky' => "%d",
'translate' => "%d",
'language' => "'%s'",
'type' => "'%s'",
);
$wheres = array();
$args = array();
foreach ($filters as $filter => $filter_type) {
$filter_option = drush_get_option($filter);
if ($filter_option) {
$filter_option_values = explode(",", $filter_option);
$filter_option_placeholders = array();
foreach ($filter_option_values as $v) {
$filter_option_placeholders[] = $filter_type;
}
$wheres[] = $filter . " IN (" . implode(", ", $filter_option_placeholders) . ")";
$args = $args + $filter_option_values;
}
}
if (!empty($wheres)) {
$query = "SELECT nid FROM {node} WHERE (" . implode(") AND (", $wheres) . ")";
$result = db_query($query, $args);
while ($row = db_fetch_array($result)) {
$nid_filters['filters'][] = $row['nid'];
}
}
// Handle SQL option.
$sql = drush_get_option('sql');
if ($sql) {
$result = db_query($sql);
while ($row = db_fetch_array($result)) {
$nid_filters['sql'][] = $row['nid'];
}
}
// Handle PHP option.
$code = drush_get_option('code');
if ($code) {
ob_start();
print eval("?><?php " . $code . " ?>");
$result = ob_get_contents();
ob_end_clean();
if (is_array($result)) {
$nid_filters['code'] = $result;
}
else {
$nid_filters['code'] = explode(",", str_replace(array(
"\n",
"\r",
"\t",
" ",
), '', $result));
}
}
if (count($nid_filters) > 1) {
// Compute the intersect of all $nid_filters if there are more than one.
$nids = call_user_func_array('array_intersect', $nid_filters);
}
elseif (count($nid_filters) == 1) {
// Use the only filter if there is only one.
$nids = reset($nid_filters);
}
else {
// Is there are no filters at all, do a query to get all nids.
$query = "SELECT nid FROM {node}";
$result = db_query($query);
$nids = array();
while ($row = db_fetch_array($result)) {
$nids[] = $row['nid'];
}
}
// Handle format option.
$format = drush_get_option('format');
if (empty($nids)) {
drush_set_error('DRUSH_NOT_COMPLETED', "No nodes found.");
}
$result = node_export($nids, $format, 'dt');
if ($result['success']) {
$filename = drush_get_option('file');
if ($filename) {
// Output data to file. Note this only takes a flat filename for the current directory.
// If file exists, ask for whether to overwrite.
if (file_exists($filename)) {
if (!drush_confirm(dt("File {$filename} exists. Do you really want to overwrite?"))) {
return;
}
}
// Write the file.
file_put_contents($filename, $result['output']);
}
else {
// stdout.
drush_print_r($result['output']);
}
}
else {
// We have received an error message.
drush_set_error('DRUSH_NOT_COMPLETED', strip_tags(implode("\n", $result['output'])));
}
}
/**
* Drush command callback.
*
* Import nodes from data.
*/
function drupal_node_export_callback_import() {
// Switch to admin or the specified user so imported nodes are not anonymous.
$uid = drush_get_option('uid');
// Test on NULL so uid may be given as 0.
if (is_null($uid)) {
$uid = 1;
}
// User 0 is already loaded.
if ($uid != 0) {
global $user;
$user = user_load($uid);
}
$filename = drush_get_option('file');
if ($filename) {
$node_code = file_get_contents($filename, "r");
}
else {
$node_code = file_get_contents("php://stdin", "r");
}
if (!empty($node_code)) {
$result = node_export_import($node_code, 'dt');
if (!$result['success']) {
// We have received an error message.
drush_set_error('DRUSH_NOT_COMPLETED', strip_tags(implode("\n", $result['output'])));
}
else {
drush_print(strip_tags(implode("\n", $result['output'])));
}
}
}
Functions
Name | Description |
---|---|
drupal_node_export_callback_export | Drush command callback. |
drupal_node_export_callback_import | Drush command callback. |
node_export_drush_command | Implementation of hook_drush_command(). |
node_export_drush_command_add_alias | A function to help alias commands as other commands. |
node_export_drush_help | Implementation of hook_drush_help(). |