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<title>org.freedesktop.PackageKit.Transaction</title>
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<a href="#Transaction.synopsis" class="shortcut">Top</a>
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<a href="#Transaction.description" class="shortcut">Description</a>
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<a href="#Transaction.implemented-interfaces" class="shortcut">Implemented Interfaces</a>
|
<a href="#Transaction.properties" class="shortcut">Properties</a>
|
<a href="#Transaction.signals" class="shortcut">Signals</a>
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<div class="refentry">
<a name="Transaction"></a><div class="titlepage"></div>
<div class="refnamediv"><table width="100%"><tr>
<td valign="top">
<h2><span class="refentrytitle">org.freedesktop.PackageKit.Transaction</span></h2>
<p>org.freedesktop.PackageKit.Transaction — Transaction interface</p>
</td>
<td valign="top" align="right"></td>
</tr></table></div>
<div class="refsynopsisdiv">
<h2>Methods</h2>
<pre class="synopsis"><a class="link" href="Transaction.html#Transaction.SetHints">SetHints</a>(in'as'hints)
<a class="link" href="Transaction.html#Transaction.AcceptEula">AcceptEula</a>(in's'eula_id)
<a class="link" href="Transaction.html#Transaction.Cancel">Cancel</a>()
<a class="link" href="Transaction.html#Transaction.DownloadPackages">DownloadPackages</a>(in'b'store_in_cache,
in'as'package_ids)
<a class="link" href="Transaction.html#Transaction.GetCategories">GetCategories</a>()
<a class="link" href="Transaction.html#Transaction.GetDepends">GetDepends</a>(in't'filter,
in'as'package_ids,
in'b'recursive)
<a class="link" href="Transaction.html#Transaction.GetDetails">GetDetails</a>(in'as'package_ids)
<a class="link" href="Transaction.html#Transaction.GetFiles">GetFiles</a>(in'as'package_ids)
<a class="link" href="Transaction.html#Transaction.GetOldTransactions">GetOldTransactions</a>(in'u'number)
<a class="link" href="Transaction.html#Transaction.GetPackages">GetPackages</a>(in't'filter)
<a class="link" href="Transaction.html#Transaction.GetRepoList">GetRepoList</a>(in't'filter)
<a class="link" href="Transaction.html#Transaction.GetRequires">GetRequires</a>(in't'filter,
in'as'package_ids,
in'b'recursive)
<a class="link" href="Transaction.html#Transaction.GetUpdateDetail">GetUpdateDetail</a>(in'as'package_ids)
<a class="link" href="Transaction.html#Transaction.GetUpdates">GetUpdates</a>(in't'filter)
<a class="link" href="Transaction.html#Transaction.GetDistroUpgrades">GetDistroUpgrades</a>()
<a class="link" href="Transaction.html#Transaction.InstallFiles">InstallFiles</a>(in't'transaction_flags,
in'as'full_paths)
<a class="link" href="Transaction.html#Transaction.InstallPackages">InstallPackages</a>(in't'transaction_flags,
in'as'package_ids)
<a class="link" href="Transaction.html#Transaction.InstallSignature">InstallSignature</a>(in'u'sig_type,
in's'key_id,
in's'package_id)
<a class="link" href="Transaction.html#Transaction.RefreshCache">RefreshCache</a>(in'b'force)
<a class="link" href="Transaction.html#Transaction.RemovePackages">RemovePackages</a>(in't'transaction_flags,
in'as'package_ids,
in'b'allow_deps,
in'b'autoremove)
<a class="link" href="Transaction.html#Transaction.RepoEnable">RepoEnable</a>(in's'repo_id,
in'b'enabled)
<a class="link" href="Transaction.html#Transaction.RepoSetData">RepoSetData</a>(in's'repo_id,
in's'parameter,
in's'value)
<a class="link" href="Transaction.html#Transaction.Resolve">Resolve</a>(in't'filter,
in'as'packages)
<a class="link" href="Transaction.html#Transaction.SearchDetails">SearchDetails</a>(in't'filter,
in'as'values)
<a class="link" href="Transaction.html#Transaction.SearchFiles">SearchFiles</a>(in't'filter,
in'as'values)
<a class="link" href="Transaction.html#Transaction.SearchGroups">SearchGroups</a>(in't'filter,
in'as'values)
<a class="link" href="Transaction.html#Transaction.SearchNames">SearchNames</a>(in't'filter,
in'as'values)
<a class="link" href="Transaction.html#Transaction.UpdatePackages">UpdatePackages</a>(in't'transaction_flags,
in'as'package_ids)
<a class="link" href="Transaction.html#Transaction.WhatProvides">WhatProvides</a>(in't'filter,
in'u'type,
in'as'values)
<a class="link" href="Transaction.html#Transaction.UpgradeSystem">UpgradeSystem</a>(in's'distro_id,
in'u'upgrade_kind)
<a class="link" href="Transaction.html#Transaction.RepairSystem">RepairSystem</a>(in't'transaction_flags)
</pre>
</div>
<div class="refsect1">
<a name="id-1.3.4.4"></a><h2>Signals</h2>
<pre class="synopsis"><a class="link" href="Transaction.html#Transaction::Category">Category</a>('s'parent_id,
's'cat_id,
's'name,
's'summary,
's'icon)
<a class="link" href="Transaction.html#Transaction::Details">Details</a>('s'package_id,
's'license,
'u'group,
's'detail,
's'url,
't'size)
<a class="link" href="Transaction.html#Transaction::ErrorCode">ErrorCode</a>('u'code,
's'details)
<a class="link" href="Transaction.html#Transaction::Files">Files</a>('s'package_id,
'as'file_list)
<a class="link" href="Transaction.html#Transaction::Finished">Finished</a>('u'exit,
'u'runtime)
<a class="link" href="Transaction.html#Transaction::Message">Message</a>('u'type,
's'details)
<a class="link" href="Transaction.html#Transaction::Package">Package</a>('u'info,
's'package_id,
's'summary)
<a class="link" href="Transaction.html#Transaction::RepoDetail">RepoDetail</a>('s'repo_id,
's'description,
'b'enabled)
<a class="link" href="Transaction.html#Transaction::RepoSignatureRequired">RepoSignatureRequired</a>('s'package_id,
's'repository_name,
's'key_url,
's'key_userid,
's'key_id,
's'key_fingerprint,
's'key_timestamp,
'u'type)
<a class="link" href="Transaction.html#Transaction::EulaRequired">EulaRequired</a>('s'eula_id,
's'package_id,
's'vendor_name,
's'license_agreement)
<a class="link" href="Transaction.html#Transaction::MediaChangeRequired">MediaChangeRequired</a>('u'media_type,
's'media_id,
's'media_text)
<a class="link" href="Transaction.html#Transaction::RequireRestart">RequireRestart</a>('u'type,
's'package_id)
<a class="link" href="Transaction.html#Transaction::Transaction">Transaction</a>('o'object_path,
's'timespec,
'b'succeeded,
'u'role,
'u'duration,
's'data,
'u'uid,
's'cmdline)
<a class="link" href="Transaction.html#Transaction::UpdateDetail">UpdateDetail</a>('s'package_id,
'as'updates,
'as'obsoletes,
'as'vendor_urls,
'as'bugzilla_urls,
'as'cve_urls,
'u'restart,
's'update_text,
's'changelog,
'u'state,
's'issued,
's'updated)
<a class="link" href="Transaction.html#Transaction::DistroUpgrade">DistroUpgrade</a>('u'type,
's'name,
's'summary)
<a class="link" href="Transaction.html#Transaction::ItemProgress">ItemProgress</a>('s'id,
'u'status,
'u'percentage)
<a class="link" href="Transaction.html#Transaction::Changed">Changed</a>()
<a class="link" href="Transaction.html#Transaction::Destroy">Destroy</a>()
</pre>
</div>
<div class="refsect1">
<a name="id-1.3.4.5"></a><h2>Implemented Interfaces</h2>
<p>org.freedesktop.PackageKit.Transaction implements
org.freedesktop.DBus.Introspectable,
org.freedesktop.DBus.Properties
</p>
</div>
<div class="refsect1">
<a name="id-1.3.4.6"></a><h2>Properties</h2>
<pre class="synopsis"><a class="link" href="Transaction.html#Transaction:Role">'Role'</a>read'u'
<a class="link" href="Transaction.html#Transaction:Status">'Status'</a>read'u'
<a class="link" href="Transaction.html#Transaction:LastPackage">'LastPackage'</a>read's'
<a class="link" href="Transaction.html#Transaction:Uid">'Uid'</a>read'u'
<a class="link" href="Transaction.html#Transaction:Percentage">'Percentage'</a>read'u'
<a class="link" href="Transaction.html#Transaction:AllowCancel">'AllowCancel'</a>read'b'
<a class="link" href="Transaction.html#Transaction:CallerActive">'CallerActive'</a>read'b'
<a class="link" href="Transaction.html#Transaction:ElapsedTime">'ElapsedTime'</a>read'u'
<a class="link" href="Transaction.html#Transaction:RemainingTime">'RemainingTime'</a>read'u'
<a class="link" href="Transaction.html#Transaction:Speed">'Speed'</a>read'u'
<a class="link" href="Transaction.html#Transaction:DownloadSizeRemaining">'DownloadSizeRemaining'</a>read't'
<a class="link" href="Transaction.html#Transaction:TransactionFlags">'TransactionFlags'</a>read't'
</pre>
</div>
<div class="refsect1">
<a name="id-1.3.4.7"></a><h2>Description</h2>
<p>
</p>
<p>
The transaction interface is used for interacting with individual transactions.
</p>
<p>
</p>
</div>
<div class="refsect1">
<a name="id-1.3.4.8"></a><h2>Details</h2>
<div class="refsect2">
<a name="id-1.3.4.8.2"></a><h3>
<a name="Transaction.SetHints"></a>SetHints ()</h3>
<pre class="programlisting">SetHints (in'as'hints)</pre>
</div>
<p>
This method allows the calling session to set transaction hints for
the package manager which can change as the transaction runs.
</p>
<p>
This method can be sent before the transaction has been run or
whilst it is running. There is no limit to the number of times this
method can be sent, although some backends may only use the values
that were set before the transaction was started.
</p>
<p>
Each parameter value is optional.
</p>
<div class="variablelist"><table border="0" class="variablelist">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody><tr>
<td><p><span class="term"><em class="parameter"><code>hints</code></em>:</span></p></td>
<td>
The values as an array of strings, for example
['locale=en_GB.utf8','idle=true','interactive=false','cache-age=3600'].
The following parameter values are understood:
locale
The locale code, for example en_GB.
background
If the method should be executed as a background task, valid
values are true and false,
and other values will result in an error.
Background tasks are normally treated with a low priority than
regular tasks, and normally only use idle CPU and network.
interactive
If the method can ask interactive questions whilst running,
valid values are true and false,
and other values will result in an error.
cache-age
This allows the frontend to set how fresh it needs the
metadata used in the transaction.
This allows fine control of the age of the returned results,
but means the frontend probably has to query the updates
check value and pass it this value for GetUpdates,
and choose something sane otherwise.
Most interactive clients will set this to intmaxdoc:tt>
which means "never download new metadata, unless required to return results".
Most transactions will not have this value set.
Other values will cause a verbose warning in the daemon, but will
not cause the method to fail. This will preserve forward and
backwards compatibility for future API versions.
</td>
</tr></tbody>
</table></div>
<hr>
<div class="refsect2">
<a name="id-1.3.4.8.7"></a><h3>
<a name="Transaction.AcceptEula"></a>AcceptEula ()</h3>
<pre class="programlisting">AcceptEula (in's'eula_id)</pre>
</div>
<p>
This method allows the user to accept a end user licence agreement.
</p>
<div class="variablelist"><table border="0" class="variablelist">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody><tr>
<td><p><span class="term"><em class="parameter"><code>eula_id</code></em>:</span></p></td>
<td>
A valid EULA ID
</td>
</tr></tbody>
</table></div>
<p class="permission">Callers need the org.freedesktop.packagekit.accept-eula</p>
<hr>
<div class="refsect2">
<a name="id-1.3.4.8.11"></a><h3>
<a name="Transaction.Cancel"></a>Cancel ()</h3>
<pre class="programlisting">Cancel ()</pre>
</div>
<p>
This method cancels a transaction that is already running
</p>
<div class="variablelist"><table border="0" class="variablelist">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody></tbody>
</table></div>
<hr>
<div class="refsect2">
<a name="id-1.3.4.8.14"></a><h3>
<a name="Transaction.DownloadPackages"></a>DownloadPackages ()</h3>
<pre class="programlisting">DownloadPackages (in'b'store_in_cache,
in'as'package_ids)</pre>
</div>
<p>
This method downloads packages into a temporary directory.
</p>
<p>
This method should emit one
Files signal for each package that is downloaded,
with the file list set as the name of the complete downloaded file
and directory, so for example:
</p>
<p>
DownloadPackages('hal;0.1.2;i386;fedora','hal-info;2009-09-07;no-arch;updates')
should send two signals, e.g.
Files('hal;0.1.2;i386;fedora', '/tmp/hal-0.1.2.i386.rpm')
and
Files('hal-info;2009-09-07;no-arch;updates', '/tmp/hal-info-2009-09-07.noarch.rpm').
</p>
<div class="variablelist"><table border="0" class="variablelist">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>store_in_cache</code></em>:</span></p></td>
<td>
If the downloaded files should be stored in the system
package cache rather than copied into a newly created
directory.
See
the developer docs for more details on how
this is supposed to work.
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>package_ids</code></em>:</span></p></td>
<td>
An array of package IDs.
</td>
</tr>
</tbody>
</table></div>
<hr>
<div class="refsect2">
<a name="id-1.3.4.8.19"></a><h3>
<a name="Transaction.GetCategories"></a>GetCategories ()</h3>
<pre class="programlisting">GetCategories ()</pre>
</div>
<p>
This method return the collection categories
</p>
<div class="variablelist"><table border="0" class="variablelist">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody></tbody>
</table></div>
<hr>
<div class="refsect2">
<a name="id-1.3.4.8.22"></a><h3>
<a name="Transaction.GetDepends"></a>GetDepends ()</h3>
<pre class="programlisting">GetDepends (in't'filter,
in'as'package_ids,
in'b'recursive)</pre>
</div>
<p>
This method returns packages that this package depends on.
</p>
<p>
This method typically emits
Progress,
Status and
Error and
Package.
</p>
<p>
Package enumerated types should be
available or installed.
</p>
<div class="variablelist"><table border="0" class="variablelist">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>filter</code></em>:</span></p></td>
<td>
A correct filter bitfield, e.g. none or installed;~devel
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>package_ids</code></em>:</span></p></td>
<td>
An array of package IDs.
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>recursive</code></em>:</span></p></td>
<td>
Either true or false. If yes then the requirements should be
returned for all packages returned.
This means if gnome-power-manager depends on NetworkManager
and NetworkManager depends on HAL, then GetDepends on
gnome-power-manager should return both HAL and NetworkManager.
</td>
</tr>
</tbody>
</table></div>
<hr>
<div class="refsect2">
<a name="id-1.3.4.8.27"></a><h3>
<a name="Transaction.GetDetails"></a>GetDetails ()</h3>
<pre class="programlisting">GetDetails (in'as'package_ids)</pre>
</div>
<p>
This method should return all the details about a specific
package_id.
</p>
<p>
This method typically emits
Progress,
Status and
Error and
Details.
</p>
<div class="variablelist"><table border="0" class="variablelist">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody><tr>
<td><p><span class="term"><em class="parameter"><code>package_ids</code></em>:</span></p></td>
<td>
An array of package IDs.
</td>
</tr></tbody>
</table></div>
<hr>
<div class="refsect2">
<a name="id-1.3.4.8.31"></a><h3>
<a name="Transaction.GetFiles"></a>GetFiles ()</h3>
<pre class="programlisting">GetFiles (in'as'package_ids)</pre>
</div>
<p>
This method should return the file list of the package_id.
</p>
<p>
This method typically emits
Progress,
Status and
Error and
Files.
</p>
<div class="variablelist"><table border="0" class="variablelist">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody><tr>
<td><p><span class="term"><em class="parameter"><code>package_ids</code></em>:</span></p></td>
<td>
An array of package IDs.
</td>
</tr></tbody>
</table></div>
<hr>
<div class="refsect2">
<a name="id-1.3.4.8.35"></a><h3>
<a name="Transaction.GetOldTransactions"></a>GetOldTransactions ()</h3>
<pre class="programlisting">GetOldTransactions (in'u'number)</pre>
</div>
<p>
This method allows a client to view details for old transactions.
</p>
<div class="variablelist"><table border="0" class="variablelist">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody><tr>
<td><p><span class="term"><em class="parameter"><code>number</code></em>:</span></p></td>
<td>
The number of past transactions, or 0 for all known transactions.
</td>
</tr></tbody>
</table></div>
<hr>
<div class="refsect2">
<a name="id-1.3.4.8.38"></a><h3>
<a name="Transaction.GetPackages"></a>GetPackages ()</h3>
<pre class="programlisting">GetPackages (in't'filter)</pre>
</div>
<p>
This method returns all the packages without a search term.
</p>
<p>
This method typically emits
Progress,
Error and
Package.
</p>
<p>
Package enumerated types should be
available or installed.
</p>
<div class="variablelist"><table border="0" class="variablelist">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody><tr>
<td><p><span class="term"><em class="parameter"><code>filter</code></em>:</span></p></td>
<td>
A correct filter bitfield, e.g. none or installed;~devel
</td>
</tr></tbody>
</table></div>
<hr>
<div class="refsect2">
<a name="id-1.3.4.8.43"></a><h3>
<a name="Transaction.GetRepoList"></a>GetRepoList ()</h3>
<pre class="programlisting">GetRepoList (in't'filter)</pre>
</div>
<p>
This method returns the list of repositories used in the system.
</p>
<p>
This method should emit RepoDetail.
</p>
<div class="variablelist"><table border="0" class="variablelist">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody><tr>
<td><p><span class="term"><em class="parameter"><code>filter</code></em>:</span></p></td>
<td>
A correct filter bitfield, e.g. none or installed;~devel
</td>
</tr></tbody>
</table></div>
<hr>
<div class="refsect2">
<a name="id-1.3.4.8.47"></a><h3>
<a name="Transaction.GetRequires"></a>GetRequires ()</h3>
<pre class="programlisting">GetRequires (in't'filter,
in'as'package_ids,
in'b'recursive)</pre>
</div>
<p>
This method returns packages that depend on this package.
This is useful to know, as if package_id is being
removed, we can warn the user what else would be removed.
</p>
<p>
This method typically emits
Progress,
Status and
Error and
Package.
</p>
<p>
Package enumerated types should be
available or installed.
</p>
<div class="variablelist"><table border="0" class="variablelist">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>filter</code></em>:</span></p></td>
<td>
A correct filter bitfield, e.g. none or installed;~devel
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>package_ids</code></em>:</span></p></td>
<td>
An array of package IDs.
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>recursive</code></em>:</span></p></td>
<td>
Either true or false. If yes then the requirements should be
returned for all packages returned.
This means if gnome-power-manager depends on NetworkManager
and NetworkManager depends on HAL, then GetRequires on
HAL should return both gnome-power-manager and NetworkManager.
</td>
</tr>
</tbody>
</table></div>
<hr>
<div class="refsect2">
<a name="id-1.3.4.8.52"></a><h3>
<a name="Transaction.GetUpdateDetail"></a>GetUpdateDetail ()</h3>
<pre class="programlisting">GetUpdateDetail (in'as'package_ids)</pre>
</div>
<p>
This method returns details about a specific update.
</p>
<p>
This method typically emits
UpdateDetail and
Error
</p>
<div class="variablelist"><table border="0" class="variablelist">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody><tr>
<td><p><span class="term"><em class="parameter"><code>package_ids</code></em>:</span></p></td>
<td>
An array of package IDs.
</td>
</tr></tbody>
</table></div>
<hr>
<div class="refsect2">
<a name="id-1.3.4.8.56"></a><h3>
<a name="Transaction.GetUpdates"></a>GetUpdates ()</h3>
<pre class="programlisting">GetUpdates (in't'filter)</pre>
</div>
<p>
This method should return a list of packages that are installed and are upgradable.
It should only return the newest update for each installed package.
</p>
<p>
This method typically emits
Progress,
Error and
Package.
</p>
<p>
Package enumerated types should be
blocked,
low,
normal,
important or
security.
</p>
<p>
The status blocked signifies the package cannot be
updated, probably due to other dependencies not being met.
This type allows the GUI tools to show to the user that an update
exists, but cannot be installed.
The reason for it not being installed should be put into the update
description when doing GetUpdateDetail.
</p>
<p>
A filter such as basename or gui
is also useful if you want to do filtering on the method to only show
the main packages rather than the complete list.
The complete list is available but specifying none
as the filter.
Using no filter which may be useful in advanced tools or when using
libpackagekit and searching for an update of a specific name.
Other filter types may be present, but can be safely ignored of the
backend does not support them.
</p>
<div class="variablelist"><table border="0" class="variablelist">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody><tr>
<td><p><span class="term"><em class="parameter"><code>filter</code></em>:</span></p></td>
<td>
A correct filter bitfield, e.g. none or installed;~devel
</td>
</tr></tbody>
</table></div>
<hr>
<div class="refsect2">
<a name="id-1.3.4.8.63"></a><h3>
<a name="Transaction.GetDistroUpgrades"></a>GetDistroUpgrades ()</h3>
<pre class="programlisting">GetDistroUpgrades ()</pre>
</div>
<p>
This method should return a list of distribution upgrades that are
available.
It should not return updates, only major upgrades.
</p>
<p>
This method typically emits
DistroUpgrade,
Error and
</p>
<div class="variablelist"><table border="0" class="variablelist">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody></tbody>
</table></div>
<hr>
<div class="refsect2">
<a name="id-1.3.4.8.67"></a><h3>
<a name="Transaction.InstallFiles"></a>InstallFiles ()</h3>
<pre class="programlisting">InstallFiles (in't'transaction_flags,
in'as'full_paths)</pre>
</div>
<p>
This method installs local package files onto the local system.
</p>
<p>
The installer should always install extra dependant packages automatically.
</p>
<p>
This method typically emits
Progress,
Status and
Error and
Package.
</p>
<p>
Package enumerated types should be
downloading,
updating,
installing or
removing.
</p>
<div class="variablelist"><table border="0" class="variablelist">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>transaction_flags</code></em>:</span></p></td>
<td>
If the transaction is only allowed to install trusted files.
Unsigned files should not be installed if this parameter is TRUE.
If this method is can only install trusted files, and the files are unsigned, then
the backend will send a ErrorCode(missing-gpg-signature).
On recieving this error, the client may choose to retry with only_trusted FALSE
after gaining further authentication.
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>full_paths</code></em>:</span></p></td>
<td>
An array of full path and filenames to packages.
</td>
</tr>
</tbody>
</table></div>
<p class="permission">Callers need the org.freedesktop.packagekit.localinstall-untrusted</p>
<hr>
<div class="refsect2">
<a name="id-1.3.4.8.74"></a><h3>
<a name="Transaction.InstallPackages"></a>InstallPackages ()</h3>
<pre class="programlisting">InstallPackages (in't'transaction_flags,
in'as'package_ids)</pre>
</div>
<p>
This method installs new packages on the local system.
</p>
<p>
The installer should always install extra packages automatically
as the use could call GetDepends prior to the install if a confirmation
is required in the UI.
</p>
<p>
This method typically emits
Progress,
Status and
Error and
Package.
</p>
<p>
Package enumerated types should be
downloading,
updating,
installing or
removing.
</p>
<div class="variablelist"><table border="0" class="variablelist">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>transaction_flags</code></em>:</span></p></td>
<td>
If the transaction is only allowed to install trusted packages.
Unsigned packages should not be installed if transaction_flags contains ALLOW_UNTRUSTED.
If this method is can only install trusted packages, and the packages are unsigned, then
the backend will send a ErrorCode(missing-gpg-signature).
On recieving this error, the client may choose to retry with only_trusted FALSE
after gaining further authentication.
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>package_ids</code></em>:</span></p></td>
<td>
An array of package IDs.
</td>
</tr>
</tbody>
</table></div>
<p class="permission">Callers need the org.freedesktop.packagekit.install-untrusted</p>
<hr>
<div class="refsect2">
<a name="id-1.3.4.8.81"></a><h3>
<a name="Transaction.InstallSignature"></a>InstallSignature ()</h3>
<pre class="programlisting">InstallSignature (in'u'sig_type,
in's'key_id,
in's'package_id)</pre>
</div>
<p>
This method allows us to install new security keys.
</p>
<div class="variablelist"><table border="0" class="variablelist">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>sig_type</code></em>:</span></p></td>
<td>
A key type enum, e.g. gpg
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>key_id</code></em>:</span></p></td>
<td>
A key ID, e.g. BB7576AC
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>package_id</code></em>:</span></p></td>
<td>
A PackageID for the package that the user is trying to install
</td>
</tr>
</tbody>
</table></div>
<p class="permission">Callers need the org.freedesktop.packagekit.install-signature</p>
<hr>
<div class="refsect2">
<a name="id-1.3.4.8.85"></a><h3>
<a name="Transaction.RefreshCache"></a>RefreshCache ()</h3>
<pre class="programlisting">RefreshCache (in'b'force)</pre>
</div>
<p>
This method should fetch updated meta-data for all enabled repositories.
This operation should be only scheduled when the computer is idle as
the network connection will be very active, and will the computer will
have have non-trivial levels of hard disk and processor activity.
For these reasons, it should not be done automatically when on battery
power.
</p>
<p>
When fetching each software source, ensure to emit RepoDetail for the
current source to give the user interface some extra details. Be sure to
have the "enabled" field set to true, otherwise you wouldn't be fetching
that source.
</p>
<p>
This method typically emits
Progress,
Error and
RepoDetail.
</p>
<div class="variablelist"><table border="0" class="variablelist">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody><tr>
<td><p><span class="term"><em class="parameter"><code>force</code></em>:</span></p></td>
<td>
If the caches should be cleaned and reloaded even if there is valid, up to date data.
</td>
</tr></tbody>
</table></div>
<p class="permission">Callers need the org.freedesktop.packagekit.refresh-cache</p>
<hr>
<div class="refsect2">
<a name="id-1.3.4.8.91"></a><h3>
<a name="Transaction.RemovePackages"></a>RemovePackages ()</h3>
<pre class="programlisting">RemovePackages (in't'transaction_flags,
in'as'package_ids,
in'b'allow_deps,
in'b'autoremove)</pre>
</div>
<p>
This method removes packages from the local system.
</p>
<p>
This method typically emits
Progress,
Status and
Error and
Package.
</p>
<p>
Package enumerated types should be
downloading,
updating,
installing or
removing.
</p>
<div class="variablelist"><table border="0" class="variablelist">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>transaction_flags</code></em>:</span></p></td>
<td>
If the transaction should be simulated or prepared.
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>package_ids</code></em>:</span></p></td>
<td>
An array of package IDs.
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>allow_deps</code></em>:</span></p></td>
<td>
Either true or false.
If true allow other packages to be removed with the package,
but false should cause the script to abort if other packages
are dependant on the package.
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>autoremove</code></em>:</span></p></td>
<td>
Either true or false.
This option is only really interesting on embedded devices with a limited amount of
flash storage.
It suggests to the packagekit backend that dependencies installed at the same time as
the package should also be removed if they are not required by anything else.
For instance, if you install OpenOffice, it might download libneon as a dependency.
When auto_remove is set to true, and you remove OpenOffice then
libneon will also get removed automatically.
</td>
</tr>
</tbody>
</table></div>
<p class="permission">Callers need the org.freedesktop.packagekit.remove</p>
<hr>
<div class="refsect2">
<a name="id-1.3.4.8.97"></a><h3>
<a name="Transaction.RepoEnable"></a>RepoEnable ()</h3>
<pre class="programlisting">RepoEnable (in's'repo_id,
in'b'enabled)</pre>
</div>
<p>
This method enables the repository specified.
</p>
<div class="variablelist"><table border="0" class="variablelist">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>repo_id</code></em>:</span></p></td>
<td>
A repository identifier, e.g. fedora-development-debuginfo
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>enabled</code></em>:</span></p></td>
<td>
true if enabled, false if disabled.
</td>
</tr>
</tbody>
</table></div>
<p class="permission">Callers need the org.freedesktop.packagekit.repo-change</p>
<hr>
<div class="refsect2">
<a name="id-1.3.4.8.101"></a><h3>
<a name="Transaction.RepoSetData"></a>RepoSetData ()</h3>
<pre class="programlisting">RepoSetData (in's'repo_id,
in's'parameter,
in's'value)</pre>
</div>
<p>
This method allows arbitary data to be passed to the repository handler.
</p>
<div class="variablelist"><table border="0" class="variablelist">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>repo_id</code></em>:</span></p></td>
<td>
A repository identifier, e.g. fedora-development-debuginfo
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>parameter</code></em>:</span></p></td>
<td>
The backend specific value, e.g. set-download-url.
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>value</code></em>:</span></p></td>
<td>
The backend specific value, e.g. http://foo.bar.org/baz.
</td>
</tr>
</tbody>
</table></div>
<p class="permission">Callers need the org.freedesktop.packagekit.repo-change</p>
<hr>
<div class="refsect2">
<a name="id-1.3.4.8.105"></a><h3>
<a name="Transaction.Resolve"></a>Resolve ()</h3>
<pre class="programlisting">Resolve (in't'filter,
in'as'packages)</pre>
</div>
<p>
This method turns a single package name into a package_id suitable for the
other methods.
</p>
<p>
If the package is a fully formed package_id, then this should be treated
as an exact package match. This is useful to find the summary or installed
status of a package_id returned from other methods.
</p>
<p>
This method typically emits
Error and
Package.
</p>
<p>
Package enumerated types should be
available or installed.
</p>
<div class="variablelist"><table border="0" class="variablelist">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>filter</code></em>:</span></p></td>
<td>
A correct filter bitfield, e.g. none or installed;~devel
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>packages</code></em>:</span></p></td>
<td>
An array of package names, e.g. scribus-clipart.
The package names are case sensitive, so for instance:
Resolve('Packagekit') would not match PackageKit.
As a special case, if Resolve()doc:tt> is called
with a name prefixed with @ then
this should be treated as a category, for example:
@web-development.
In this instance, a meta-package should be emitted, for example:
web-development;;;meta with the correct
installed status and summary for the category.
</td>
</tr>
</tbody>
</table></div>
<hr>
<div class="refsect2">
<a name="id-1.3.4.8.111"></a><h3>
<a name="Transaction.SearchDetails"></a>SearchDetails ()</h3>
<pre class="programlisting">SearchDetails (in't'filter,
in'as'values)</pre>
</div>
<p>
This method allows deeper searching than SearchName().
</p>
<p>
Do not refresh the package cache. This should be fast.
This is very similar to search-name.
This should search as much data as possible, including, if possible
repo names, package summaries, descriptions, licenses and URLs.
</p>
<p>
Try to emit installed before
available packages first, as it allows the client
program to perform the GUI filtering and matching whilst the daemon is
running the transaction.
</p>
<p>
If the backend includes installed and
available versions of the same package when searching
then the available version will have to be filtered
in the backend.
</p>
<p>
This method typically emits
Progress,
Error and
Package.
</p>
<p>
Package enumerated types should be
available or installed.
</p>
<div class="variablelist"><table border="0" class="variablelist">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>filter</code></em>:</span></p></td>
<td>
A correct filter bitfield, e.g. none or installed;~devel
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>values</code></em>:</span></p></td>
<td>
A single word search term with no wildcard chars. The search can
contain many words separated by spaces. In this case, the
search operator is AND and the words can be found
in any details section/field. For example, search of
GPL games should returns every games with a GPL
license.
The search should not be treated as case sensitive.
</td>
</tr>
</tbody>
</table></div>
<hr>
<div class="refsect2">
<a name="id-1.3.4.8.119"></a><h3>
<a name="Transaction.SearchFiles"></a>SearchFiles ()</h3>
<pre class="programlisting">SearchFiles (in't'filter,
in'as'values)</pre>
</div>
<p>
This method searches for files on the local system and files in available packages.
</p>
<p>
This should search for files.
This should allow an application to find out what package owns
a file on the system.
</p>
<p>
This method typically emits
Progress,
Error and
Package.
</p>
<p>
Package enumerated types should be
available or installed.
</p>
<div class="variablelist"><table border="0" class="variablelist">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>filter</code></em>:</span></p></td>
<td>
A correct filter bitfield, e.g. none or installed;~devel
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>values</code></em>:</span></p></td>
<td>
A filename or fully qualified path and filename on the system.
If the search term begins with a / it will be assumed the entire path has been given and only packages that contain this exact path and filename will be returned.
If the search term does not start with / then it should be treated as a single filename, which can be in any directory.
The search is case sensitive, and should not be escaped or surrounded in quotes.
</td>
</tr>
</tbody>
</table></div>
<hr>
<div class="refsect2">
<a name="id-1.3.4.8.125"></a><h3>
<a name="Transaction.SearchGroups"></a>SearchGroups ()</h3>
<pre class="programlisting">SearchGroups (in't'filter,
in'as'values)</pre>
</div>
<p>
This method returns packages from a given group enumerated type.
</p>
<p>
Do not refresh the package cache. This should be fast.
</p>
<p>
Try to emit installed before
available packages first, as it allows the client
program to perform the GUI filtering and matching whilst the daemon is
running the transaction.
</p>
<p>
If the backend includes installed and
available versions of the same package when searching
then the available version will have to be filtered
in the backend.
</p>
<p>
This method typically emits
Progress,
Error and
Package.
</p>
<p>
Package enumerated types should be
available or installed.
</p>
<div class="variablelist"><table border="0" class="variablelist">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>filter</code></em>:</span></p></td>
<td>
A correct filter bitfield, e.g. none or installed;~devel
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>values</code></em>:</span></p></td>
<td>
An enumerated group type, or unknown. The search
cannot contain spaces.
The following recommendations are made below:
If the values strings are prefixed with category: then
the request is treated as a 'category search', for example:
category:web-development.
If the values strings are prefixed with repo: then
the request is treated as a 'repository search', for example:
repo:fedora-debuginfo.
In this instance all packages that were either installed
from, or can be installed from the fedora-debuginfo
source would be returned.
</td>
</tr>
</tbody>
</table></div>
<hr>
<div class="refsect2">
<a name="id-1.3.4.8.133"></a><h3>
<a name="Transaction.SearchNames"></a>SearchNames ()</h3>
<pre class="programlisting">SearchNames (in't'filter,
in'as'values)</pre>
</div>
<p>
This method searches the package database by package name.
</p>
<p>
Do not refresh the package cache. This should be fast.
</p>
<p>
Try to emit installed before
available packages first, as it allows the client
program to perform the GUI filtering and matching whilst the daemon is
running the transaction.
</p>
<p>
If the backend includes installed and
available versions of the same package when searching
then the available version will have to be filtered
in the backend.
</p>
<p>
The search methods should return all results in all repositories.
This may mean that multiple versions of package are returned.
If this is not what is wanted by the client program, then the
newest filter should be used.
</p>
<p>
This method typically emits
Progress,
Error and
Package.
</p>
<p>
Package enumerated types should be
available or installed.
</p>
<div class="variablelist"><table border="0" class="variablelist">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>filter</code></em>:</span></p></td>
<td>
A correct filter bitfield, e.g. none or installed;~devel
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>values</code></em>:</span></p></td>
<td>
A single word search term with no wildcard chars. The search term
can contain many words separated by spaces. In this case, the
search operator is AND. For example, search of
gnome power should returns
gnome-power-manager but not
gnomesword or powertop.
The search should not be treated as case sensitive.
</td>
</tr>
</tbody>
</table></div>
<hr>
<div class="refsect2">
<a name="id-1.3.4.8.142"></a><h3>
<a name="Transaction.UpdatePackages"></a>UpdatePackages ()</h3>
<pre class="programlisting">UpdatePackages (in't'transaction_flags,
in'as'package_ids)</pre>
</div>
<p>
This method updates existing packages on the local system.
</p>
<p>
The installer should always update extra packages automatically to fulfil dependencies.
</p>
<p>
This should allow an application to find out what package owns a file on the system.
</p>
<p>
This method typically emits
Progress,
Status and
Error and
Package.
</p>
<div class="variablelist"><table border="0" class="variablelist">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>transaction_flags</code></em>:</span></p></td>
<td>
If the transaction is only allowed to update to trusted packages.
Unsigned packages should not be installed if this transaction_flags has ONLY_TRUSTED.
If this method is can only update trusted packages, and the packages are unsigned, then
the backend will send a ErrorCode(missing-gpg-signature).
On recieving this error, the client may choose to retry with only_trusted FALSE
after gaining further authentication.
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>package_ids</code></em>:</span></p></td>
<td>
An array of package IDs.
</td>
</tr>
</tbody>
</table></div>
<p class="permission">Callers need the org.freedesktop.packagekit.update-package</p>
<hr>
<div class="refsect2">
<a name="id-1.3.4.8.149"></a><h3>
<a name="Transaction.WhatProvides"></a>WhatProvides ()</h3>
<pre class="programlisting">WhatProvides (in't'filter,
in'u'type,
in'as'values)</pre>
</div>
<p>
This method returns packages that provide the supplied attributes.
This method is useful for finding out what package(s) provide a modalias
or GStreamer codec string.
</p>
<p>
This method typically emits
Progress,
Status and
Error and
Package.
</p>
<p>
Package enumerated types should be
available or installed.
</p>
<div class="variablelist"><table border="0" class="variablelist">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>filter</code></em>:</span></p></td>
<td>
A correct filter bitfield, e.g. none or installed;~devel
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>type</code></em>:</span></p></td>
<td>
A PkProvideType, e.g. PK_PROVIDES_ENUM_CODEC.
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>values</code></em>:</span></p></td>
<td>
The data to send to the backend to get the packages.
Note: This is backend specific.
</td>
</tr>
</tbody>
</table></div>
<hr>
<div class="refsect2">
<a name="id-1.3.4.8.154"></a><h3>
<a name="Transaction.UpgradeSystem"></a>UpgradeSystem ()</h3>
<pre class="programlisting">UpgradeSystem (in's'distro_id,
in'u'upgrade_kind)</pre>
</div>
<p>
This method perfoms a distribution upgrade to the specified
version.
</p>
<p>
This method typically emits
Progress,
Status and
Error and
Package.
</p>
<div class="variablelist"><table border="0" class="variablelist">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>distro_id</code></em>:</span></p></td>
<td>
The distribution ID to upgrade to, e.g. fedora-14.
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>upgrade_kind</code></em>:</span></p></td>
<td>
The type of upgrade, e.g. minimal, default or complete.
Minimal upgrades will download the smallest amount of data
before launching a installer.
The default is to download enough data to launch a full
graphical installer, but a complete upgrade will be
required if there is no internet access during install time.
</td>
</tr>
</tbody>
</table></div>
<hr>
<div class="refsect2">
<a name="id-1.3.4.8.158"></a><h3>
<a name="Transaction.RepairSystem"></a>RepairSystem ()</h3>
<pre class="programlisting">RepairSystem (in't'transaction_flags)</pre>
</div>
<p>
This method recovers the package management system from e.g.
unsatisfied dependencies of installed packages.
</p>
<p>
This method typically emits
Progress,
Status and
Error and
Package.
</p>
<div class="variablelist"><table border="0" class="variablelist">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody><tr>
<td><p><span class="term"><em class="parameter"><code>transaction_flags</code></em>:</span></p></td>
<td>
If the transaction is only allowed to install trusted packages.
Unsigned packages should not be installed if this transaction_flags has ONLY_TRUSTED.
If this method is can only install trusted packages, and the packages are unsigned, then
the backend will send a ErrorCode(missing-gpg-signature).
On recieving this error, the client may choose to retry with only_trusted FALSE
after gaining further authentication.
</td>
</tr></tbody>
</table></div>
</div>
<div class="refsect1">
<a name="id-1.3.4.9"></a><h2>Signal Details</h2>
<div class="refsect2">
<a name="id-1.3.4.9.2"></a><h3>
<a name="Transaction::Category"></a>The Category signal</h3>
<pre class="programlisting">Category ('s'parent_id,
's'cat_id,
's'name,
's'summary,
's'icon)</pre>
</div>
<p>
This signal send information about a collection category
</p>
<div class="variablelist"><table border="0" class="variablelist">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>parent_id</code></em>:</span></p></td>
<td>
The parent identifier, e.g. applications.
If the category is a root entry, use a blank parent.
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>cat_id</code></em>:</span></p></td>
<td>
The category identifier, e.g. applications;system-tools.
The identifier does not have to be related to the parent_id
in any way.
A menu tree is made from multiple Category signals.
The tree does not have any depth or bredth limits, although it should be kept
to less than about 100 entries as this will be shown to the user in a menu.
The cat_id will be sent as a parameter to SearchGroup
so you may have to prefix or otherwise identify the ID to not confuse the search method.
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>name</code></em>:</span></p></td>
<td>
The localised name of the category, e.g. System Tools.
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>summary</code></em>:</span></p></td>
<td>
The localised category summary, e.g. Tools for mangaing system state.
This is not normally shown in the menus, but may be shown in helper popups.
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>icon</code></em>:</span></p></td>
<td>
The icon name for the category, e.g. server-cfg.
If the icon is not known, then it should be set to image-missing.
</td>
</tr>
</tbody>
</table></div>
<hr>
<div class="refsect2">
<a name="id-1.3.4.9.5"></a><h3>
<a name="Transaction::Details"></a>The Details signal</h3>
<pre class="programlisting">Details ('s'package_id,
's'license,
'u'group,
's'detail,
's'url,
't'size)</pre>
</div>
<p>
This signal allows the backend to convey more details about the package.
</p>
<div class="variablelist"><table border="0" class="variablelist">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>package_id</code></em>:</span></p></td>
<td>
The package ID
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>license</code></em>:</span></p></td>
<td>
The license string, e.g. GPLv2+ or BSD and (MPLv1.1 or GPLv2+).
More details about the correct way to format licensing strings can be found on the
Fedora packaging wiki.
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>group</code></em>:</span></p></td>
<td>
The enumerated package group description
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>detail</code></em>:</span></p></td>
<td>
The multi-line package description.
If formatting is required, then markdown syntax should be used,
e.g. This is **critically** important
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>url</code></em>:</span></p></td>
<td>
The upstream project homepage
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>size</code></em>:</span></p></td>
<td>
The size of the package in bytes. This should be the size of the entire package file,
not the size of the files installed on the system.
If the package is not installed, and already downloaded and
present in the package manager cache, then this value should be set to zero.
</td>
</tr>
</tbody>
</table></div>
<hr>
<div class="refsect2">
<a name="id-1.3.4.9.8"></a><h3>
<a name="Transaction::ErrorCode"></a>The ErrorCode signal</h3>
<pre class="programlisting">ErrorCode ('u'code,
's'details)</pre>
</div>
<p>
This signal is used to report errors back to the session program.
</p>
<p>
Errors should only be send on fatal abort.
</p>
<div class="variablelist"><table border="0" class="variablelist">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>code</code></em>:</span></p></td>
<td>
Enumerated type, e.g. no-network.
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>details</code></em>:</span></p></td>
<td>
Long description or error, e.g. failed to connect to mytry.xml
</td>
</tr>
</tbody>
</table></div>
<hr>
<div class="refsect2">
<a name="id-1.3.4.9.12"></a><h3>
<a name="Transaction::Files"></a>The Files signal</h3>
<pre class="programlisting">Files ('s'package_id,
'as'file_list)</pre>
</div>
<p>
This signal is used to push file lists from the backend to the session.
</p>
<div class="variablelist"><table border="0" class="variablelist">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>package_id</code></em>:</span></p></td>
<td>
The Package ID that called the method.
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>file_list</code></em>:</span></p></td>
<td>
The file list as an array.
</td>
</tr>
</tbody>
</table></div>
<hr>
<div class="refsect2">
<a name="id-1.3.4.9.15"></a><h3>
<a name="Transaction::Finished"></a>The Finished signal</h3>
<pre class="programlisting">Finished ('u'exit,
'u'runtime)</pre>
</div>
<p>
This signal is used to signal that the transaction has finished.
</p>
<div class="variablelist"><table border="0" class="variablelist">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>exit</code></em>:</span></p></td>
<td>
The PkExitEnum describing the exit status of the transaction.
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>runtime</code></em>:</span></p></td>
<td>
The amount of time in milliseconds that the transaction ran for.
</td>
</tr>
</tbody>
</table></div>
<hr>
<div class="refsect2">
<a name="id-1.3.4.9.18"></a><h3>
<a name="Transaction::Message"></a>The Message signal</h3>
<pre class="programlisting">Message ('u'type,
's'details)</pre>
</div>
<p>
This signal is sent when the backend wants to send a message to the session.
</p>
<p>
This allows the backend to queue up a message to be shown after the transaction has
completed.
</p>
<div class="variablelist"><table border="0" class="variablelist">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>type</code></em>:</span></p></td>
<td>
One of warning, notice, or
daemon.
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>details</code></em>:</span></p></td>
<td>
Required details about the message, non-localised.
</td>
</tr>
</tbody>
</table></div>
<hr>
<div class="refsect2">
<a name="id-1.3.4.9.22"></a><h3>
<a name="Transaction::Package"></a>The Package signal</h3>
<pre class="programlisting">Package ('u'info,
's'package_id,
's'summary)</pre>
</div>
<p>
This signal allows the backend to communicate packages to the session.
</p>
<p>
If updating, as packages are updated then emit them to the screen.
This allows a summary to be presented after the transaction.
</p>
<p>
When returning results from a search always return
installed before available for
the same package name.
</p>
<div class="variablelist"><table border="0" class="variablelist">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>info</code></em>:</span></p></td>
<td>
A valid info enumerated type
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>package_id</code></em>:</span></p></td>
<td>
This identifier is of the form name;version;arch;data
in a single string and is meant to represent a single package
unique across all local and remote data stores.
For a remote, not-installed package the data field should
be set as the repository identifier or repository name.
The data field for an installed package must be prefixed
with installed as this is used to identify
which packages are installable or installed in the client
tools.
As a special extension, if the package manager is able to
track which repository a package was originally installed
from, then the data field can be set to
installed:REPO-NAME which allows the
frontend client to advise the user of the package origin.
The data field for a non-installed local package must be
local as this signifies a repository name is
not available and that package resides locally on the
client system rather than in any specific repository.
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>summary</code></em>:</span></p></td>
<td>
The one line package summary, e.g. Clipart for OpenOffice
</td>
</tr>
</tbody>
</table></div>
<hr>
<div class="refsect2">
<a name="id-1.3.4.9.27"></a><h3>
<a name="Transaction::RepoDetail"></a>The RepoDetail signal</h3>
<pre class="programlisting">RepoDetail ('s'repo_id,
's'description,
'b'enabled)</pre>
</div>
<p>
This signal describes a repository on the system.
</p>
<div class="variablelist"><table border="0" class="variablelist">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>repo_id</code></em>:</span></p></td>
<td>
The repository ID.
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>description</code></em>:</span></p></td>
<td>
A description of the repository.
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>enabled</code></em>:</span></p></td>
<td>
If the repository is enabled and in use.
</td>
</tr>
</tbody>
</table></div>
<hr>
<div class="refsect2">
<a name="id-1.3.4.9.30"></a><h3>
<a name="Transaction::RepoSignatureRequired"></a>The RepoSignatureRequired signal</h3>
<pre class="programlisting">RepoSignatureRequired ('s'package_id,
's'repository_name,
's'key_url,
's'key_userid,
's'key_id,
's'key_fingerprint,
's'key_timestamp,
'u'type)</pre>
</div>
<p>
This signal is emitted when a transaction is not possible due to a missing security
certificate.
</p>
<p>
Some backends support repositories which use a cryptographic
signature, such as GPG. If a package cannot be installed
because it is signed with a key that has not been verified,
this signal is generated so the user can choose to accept or
decline the key.
</p>
<p>
This signal includes information that can be used to verify
that the key should be trusted, such as a URL for the company
or person who owns the key, the key's ID, the userid of
the key creator, and the date the key was generated.
</p>
<div class="variablelist"><table border="0" class="variablelist">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>package_id</code></em>:</span></p></td>
<td>
A package ID for the package that is trying to be installed
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>repository_name</code></em>:</span></p></td>
<td>
The name of the repository associated with the provided key.
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>key_url</code></em>:</span></p></td>
<td>
The URL provided with the key.
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>key_userid</code></em>:</span></p></td>
<td>
The user id associated with the key.
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>key_id</code></em>:</span></p></td>
<td>
A unique identifier for the key.
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>key_fingerprint</code></em>:</span></p></td>
<td>
The hashed fingerprint of the key.
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>key_timestamp</code></em>:</span></p></td>
<td>
The date the key was created.
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>type</code></em>:</span></p></td>
<td>
The type of signature used. gpg, for example.
</td>
</tr>
</tbody>
</table></div>
<hr>
<div class="refsect2">
<a name="id-1.3.4.9.35"></a><h3>
<a name="Transaction::EulaRequired"></a>The EulaRequired signal</h3>
<pre class="programlisting">EulaRequired ('s'eula_id,
's'package_id,
's'vendor_name,
's'license_agreement)</pre>
</div>
<p>
This signal is emitted when a transaction is not possible due to a EULA that needs to
be agreed to at install time.
</p>
<p>
Some backends support EULAs, which have to be agreed to before the install can proceed.
</p>
<div class="variablelist"><table border="0" class="variablelist">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>eula_id</code></em>:</span></p></td>
<td>
The eula_id which identifies the EULA - this is provided
so that if a specific EULA has previously agreed to a EULA from Acme Corp it is
not asked again.
An example eula_id's is vmware5_single_user.
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>package_id</code></em>:</span></p></td>
<td>
A package ID for the package that is trying to be installed.
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>vendor_name</code></em>:</span></p></td>
<td>
The vendor that is providing the EULA.
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>license_agreement</code></em>:</span></p></td>
<td>
The full text EULA.
</td>
</tr>
</tbody>
</table></div>
<hr>
<div class="refsect2">
<a name="id-1.3.4.9.39"></a><h3>
<a name="Transaction::MediaChangeRequired"></a>The MediaChangeRequired signal</h3>
<pre class="programlisting">MediaChangeRequired ('u'media_type,
's'media_id,
's'media_text)</pre>
</div>
<p>
This signal is emitted when a transaction needsneeds a different media
to grab the packages.
</p>
<p>
Some backends support Media changing, which will fail the transaction each time it needs
a new media.
</p>
<div class="variablelist"><table border="0" class="variablelist">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>media_type</code></em>:</span></p></td>
<td>
Enumerated type, e.g. dvd.
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>media_id</code></em>:</span></p></td>
<td>
The media_id which identifies the Media - this is provided
so that if DeviceKit or another program is able to identify the right media
before continuing, note however that it's not the DeviceKit oblication to
check the media when the transaction is re-scheduled this is the backend task.
An example media_id's is Debian testing amd64 Bin-1.
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>media_text</code></em>:</span></p></td>
<td>
Might be used for the disk label too, something like Fedora Disk 1
</td>
</tr>
</tbody>
</table></div>
<hr>
<div class="refsect2">
<a name="id-1.3.4.9.43"></a><h3>
<a name="Transaction::RequireRestart"></a>The RequireRestart signal</h3>
<pre class="programlisting">RequireRestart ('u'type,
's'package_id)</pre>
</div>
<p>
This signal is sent when the session program should notify the user that a restart is
required.
</p>
<p>
This is optional, but highly recommended.
</p>
<p>
This can be sent as many times as needed by the backend script.
PackageKit will always choose the 'worst' method in the UI notification.
</p>
<div class="variablelist"><table border="0" class="variablelist">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>type</code></em>:</span></p></td>
<td>
One of system, application or
session.
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>package_id</code></em>:</span></p></td>
<td>
The package ID that caused the restart notifier.
</td>
</tr>
</tbody>
</table></div>
<hr>
<div class="refsect2">
<a name="id-1.3.4.9.48"></a><h3>
<a name="Transaction::Transaction"></a>The Transaction signal</h3>
<pre class="programlisting">Transaction ('o'object_path,
's'timespec,
'b'succeeded,
'u'role,
'u'duration,
's'data,
'u'uid,
's'cmdline)</pre>
</div>
<p>
This signal is sent when more details are required about a specific transaction.
</p>
<div class="variablelist"><table border="0" class="variablelist">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>object_path</code></em>:</span></p></td>
<td>
The transaction ID of the old transaction.
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>timespec</code></em>:</span></p></td>
<td>
The timespec of the old transaction in ISO8601 format.
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>succeeded</code></em>:</span></p></td>
<td>
If the transaction succeeded.
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>role</code></em>:</span></p></td>
<td>
The role enumerated type.
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>duration</code></em>:</span></p></td>
<td>
The duration of the transaction in milliseconds.
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>data</code></em>:</span></p></td>
<td>
Any data associated with the transaction.
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>uid</code></em>:</span></p></td>
<td>
The user ID of the user that scheduled the action.
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>cmdline</code></em>:</span></p></td>
<td>
The command line of the tool that scheduled the action, e.g.
/usr/bin/gpk-application.
</td>
</tr>
</tbody>
</table></div>
<hr>
<div class="refsect2">
<a name="id-1.3.4.9.51"></a><h3>
<a name="Transaction::UpdateDetail"></a>The UpdateDetail signal</h3>
<pre class="programlisting">UpdateDetail ('s'package_id,
'as'updates,
'as'obsoletes,
'as'vendor_urls,
'as'bugzilla_urls,
'as'cve_urls,
'u'restart,
's'update_text,
's'changelog,
'u'state,
's'issued,
's'updated)</pre>
</div>
<p>
This signal is sent when more details are required about a specific update.
</p>
<div class="variablelist"><table border="0" class="variablelist">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>package_id</code></em>:</span></p></td>
<td>
The package ID
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>updates</code></em>:</span></p></td>
<td>
A list of package_id's that are to be updated.
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>obsoletes</code></em>:</span></p></td>
<td>
A list of package_id's that are to be obsoleted.
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>vendor_urls</code></em>:</span></p></td>
<td>
A list of URLs with more details on the update, e.g. a page with more
information on the update.
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>bugzilla_urls</code></em>:</span></p></td>
<td>
A list of bugzilla URL with more details on the update.
If no URLs are available then this field should be left empty.
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>cve_urls</code></em>:</span></p></td>
<td>
A list of CVE URLs with more details on the security advisory.
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>restart</code></em>:</span></p></td>
<td>
A valid restart type, e.g. system.
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>update_text</code></em>:</span></p></td>
<td>
The update text describing the update.
If formatting is required, then markdown syntax should be used,
e.g. This is **critically** important
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>changelog</code></em>:</span></p></td>
<td>
The ChangeLog text describing the changes since the last version.
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>state</code></em>:</span></p></td>
<td>
The state of the update, e.g. stable or
testing.
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>issued</code></em>:</span></p></td>
<td>
The ISO8601 encoded date that the update was issued.
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>updated</code></em>:</span></p></td>
<td>
The ISO8601 encoded date that the update was updated.
</td>
</tr>
</tbody>
</table></div>
<hr>
<div class="refsect2">
<a name="id-1.3.4.9.54"></a><h3>
<a name="Transaction::DistroUpgrade"></a>The DistroUpgrade signal</h3>
<pre class="programlisting">DistroUpgrade ('u'type,
's'name,
's'summary)</pre>
</div>
<p>
This signal allows the backend to communicate distribution
upgrades to the session.
</p>
<div class="variablelist"><table border="0" class="variablelist">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>type</code></em>:</span></p></td>
<td>
A valid upgrade enumerated type, e.g. stable
or unstable
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>name</code></em>:</span></p></td>
<td>
The short name of the distribution, e.g. Fedora Core 10 RC1
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>summary</code></em>:</span></p></td>
<td>
The multi-line description of the release.
</td>
</tr>
</tbody>
</table></div>
<hr>
<div class="refsect2">
<a name="id-1.3.4.9.57"></a><h3>
<a name="Transaction::ItemProgress"></a>The ItemProgress signal</h3>
<pre class="programlisting">ItemProgress ('s'id,
'u'status,
'u'percentage)</pre>
</div>
<p>
This signal allows the backend to send infomation about
package or repository progress when using Simultanous mode.
</p>
<div class="variablelist"><table border="0" class="variablelist">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>id</code></em>:</span></p></td>
<td>
A valid package_id, e.g. hal;0.1.0;i386;fedora
or a repo_id.
A repo_id may only be used when running RefreshCache.
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>status</code></em>:</span></p></td>
<td>
The status enumerated value that is being completed.
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>percentage</code></em>:</span></p></td>
<td>
The percentage of this package action is completed.
</td>
</tr>
</tbody>
</table></div>
<hr>
<div class="refsect2">
<a name="id-1.3.4.9.60"></a><h3>
<a name="Transaction::Changed"></a>The Changed signal</h3>
<pre class="programlisting">Changed ()</pre>
</div>
<p>
This signal is emitted when a property on the interface changes.
</p>
<div class="variablelist"><table border="0" class="variablelist">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody></tbody>
</table></div>
<hr>
<div class="refsect2">
<a name="id-1.3.4.9.63"></a><h3>
<a name="Transaction::Destroy"></a>The Destroy signal</h3>
<pre class="programlisting">Destroy ()</pre>
</div>
<p>
This signal is sent when the transaction has been destroyed and is
no longer available for use.
</p>
<div class="variablelist"><table border="0" class="variablelist">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody></tbody>
</table></div>
</div>
<div class="refsect1">
<a name="id-1.3.4.10"></a><h2>Property Details</h2>
<div class="refsect2">
<a name="id-1.3.4.10.2"></a><h3>
<a name="Transaction:Role"></a>The "Role" property</h3>
<pre class="programlisting">'Role'read'u'
</pre>
</div>
<p>
The transaction role enum, e.g. update-system.
</p>
<div class="variablelist"><table border="0" class="variablelist">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody></tbody>
</table></div>
<hr>
<div class="refsect2">
<a name="id-1.3.4.10.5"></a><h3>
<a name="Transaction:Status"></a>The "Status" property</h3>
<pre class="programlisting">'Status'read'u'
</pre>
</div>
<p>
The transaction status enum, e.g. downloading.
</p>
<div class="variablelist"><table border="0" class="variablelist">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody></tbody>
</table></div>
<hr>
<div class="refsect2">
<a name="id-1.3.4.10.8"></a><h3>
<a name="Transaction:LastPackage"></a>The "LastPackage" property</h3>
<pre class="programlisting">'LastPackage'read's'
</pre>
</div>
<p>
The last package_id that was processed, e.g. hal;0.1.2;i386;fedora.
</p>
<div class="variablelist"><table border="0" class="variablelist">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody></tbody>
</table></div>
<hr>
<div class="refsect2">
<a name="id-1.3.4.10.11"></a><h3>
<a name="Transaction:Uid"></a>The "Uid" property</h3>
<pre class="programlisting">'Uid'read'u'
</pre>
</div>
<p>
The uid of the user that started the transaction.
</p>
<div class="variablelist"><table border="0" class="variablelist">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody></tbody>
</table></div>
<hr>
<div class="refsect2">
<a name="id-1.3.4.10.14"></a><h3>
<a name="Transaction:Percentage"></a>The "Percentage" property</h3>
<pre class="programlisting">'Percentage'read'u'
</pre>
</div>
<p>
The percentage complete of the transaction.
</p>
<p>
Backends should set this value to 101 if the amount complete cannot be calculated.
</p>
<div class="variablelist"><table border="0" class="variablelist">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody></tbody>
</table></div>
<hr>
<div class="refsect2">
<a name="id-1.3.4.10.18"></a><h3>
<a name="Transaction:AllowCancel"></a>The "AllowCancel" property</h3>
<pre class="programlisting">'AllowCancel'read'b'
</pre>
</div>
<p>
If the transaction can be cancelled.
</p>
<div class="variablelist"><table border="0" class="variablelist">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody></tbody>
</table></div>
<hr>
<div class="refsect2">
<a name="id-1.3.4.10.21"></a><h3>
<a name="Transaction:CallerActive"></a>The "CallerActive" property</h3>
<pre class="programlisting">'CallerActive'read'b'
</pre>
</div>
<p>
If the original caller of the method is still connected to the system bus.
This is usually an indication that the client can handle it's own error handling and
EULA callbacks rather than another program taking over.
</p>
<div class="variablelist"><table border="0" class="variablelist">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody></tbody>
</table></div>
<hr>
<div class="refsect2">
<a name="id-1.3.4.10.24"></a><h3>
<a name="Transaction:ElapsedTime"></a>The "ElapsedTime" property</h3>
<pre class="programlisting">'ElapsedTime'read'u'
</pre>
</div>
<p>
The amount of time elapsed during the transaction in seconds.
</p>
<div class="variablelist"><table border="0" class="variablelist">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody></tbody>
</table></div>
<hr>
<div class="refsect2">
<a name="id-1.3.4.10.27"></a><h3>
<a name="Transaction:RemainingTime"></a>The "RemainingTime" property</h3>
<pre class="programlisting">'RemainingTime'read'u'
</pre>
</div>
<p>
The estimated time remaining of the transaction in seconds, or 0 if not known.
</p>
<div class="variablelist"><table border="0" class="variablelist">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody></tbody>
</table></div>
<hr>
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<a name="id-1.3.4.10.30"></a><h3>
<a name="Transaction:Speed"></a>The "Speed" property</h3>
<pre class="programlisting">'Speed'read'u'
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<p>
The estimated speed of the transaction (copying, downloading, etc.) in bits per second, or 0 if not known.
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<a name="id-1.3.4.10.33"></a><h3>
<a name="Transaction:DownloadSizeRemaining"></a>The "DownloadSizeRemaining" property</h3>
<pre class="programlisting">'DownloadSizeRemaining'read't'
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<p>
The number of bytes remaining to download, 0 if nothing is left to download.
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<a name="id-1.3.4.10.36"></a><h3>
<a name="Transaction:TransactionFlags"></a>The "TransactionFlags" property</h3>
<pre class="programlisting">'TransactionFlags'read't'
</pre>
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<p>
The flags set for this transaction, e.g. SIMULATE or ONLY_DOWNLOAD.
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