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  <div class="section" id="module-h5py.h5t">
<span id="module-h5t"></span><h1>Module H5T<a class="headerlink" href="#module-h5py.h5t" title="Permalink to this headline"></a></h1>
<p>HDF5 &#8220;<code class="xref py py-data docutils literal"><span class="pre">H5T</span></code>&#8221; data-type API</p>
<p>This module contains the datatype identifier class <a class="reference internal" href="#h5py.h5t.TypeID" title="h5py.h5t.TypeID"><code class="xref py py-class docutils literal"><span class="pre">TypeID</span></code></a>, and its
subclasses which represent things like integer/float/compound identifiers.
The majority of the <code class="xref py py-data docutils literal"><span class="pre">H5T</span></code> API is presented as methods on these identifiers.</p>
<div class="section" id="functions-specific-to-h5py">
<h2>Functions specific to h5py<a class="headerlink" href="#functions-specific-to-h5py" title="Permalink to this headline"></a></h2>
<dl class="function">
<dt id="h5py.h5t.py_create">
<code class="descclassname">h5py.h5t.</code><code class="descname">py_create</code><span class="sig-paren">(</span><em>OBJECT dtype_in</em>, <em>BOOL logical=False</em><span class="sig-paren">)</span> &#x2192; TypeID<a class="headerlink" href="#h5py.h5t.py_create" title="Permalink to this definition"></a></dt>
<dd><p>Given a Numpy dtype object, generate a byte-for-byte memory-compatible
HDF5 datatype object.  The result is guaranteed to be transient and
unlocked.</p>
<p>Argument dtype_in may be a dtype object, or anything which can be
converted to a dtype, including strings like &#8216;&lt;i4&#8217;.</p>
<dl class="docutils">
<dt>logical</dt>
<dd>If this flag is set, instead of returning a byte-for-byte identical
representation of the type, the function returns the closest logically
appropriate HDF5 type.  For example, in the case of a &#8220;hinted&#8221; dtype
of kind &#8220;O&#8221; representing a string, it would return an HDF5 variable-
length string type.</dd>
</dl>
</dd></dl>

<dl class="function">
<dt id="h5py.h5t.special_dtype">
<code class="descclassname">h5py.h5t.</code><code class="descname">special_dtype</code><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#h5py.h5t.special_dtype" title="Permalink to this definition"></a></dt>
<dd><p>Create a new h5py &#8220;special&#8221; type.  Only one keyword may be given.</p>
<p>Legal keywords are:</p>
<dl class="docutils">
<dt>vlen = basetype</dt>
<dd>Base type for HDF5 variable-length datatype. This can be Python
str type or instance of np.dtype.
Example: special_dtype( vlen=str )</dd>
<dt>enum = (basetype, values_dict)</dt>
<dd>Create a NumPy representation of an HDF5 enumerated type.  Provide
a 2-tuple containing an (integer) base dtype and a dict mapping
string names to integer values.</dd>
<dt>ref = Reference | RegionReference</dt>
<dd>Create a NumPy representation of an HDF5 object or region reference
type.</dd>
</dl>
</dd></dl>

<dl class="function">
<dt id="h5py.h5t.check_dtype">
<code class="descclassname">h5py.h5t.</code><code class="descname">check_dtype</code><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#h5py.h5t.check_dtype" title="Permalink to this definition"></a></dt>
<dd><p>Check a dtype for h5py special type &#8220;hint&#8221; information.  Only one
keyword may be given.</p>
<dl class="docutils">
<dt>vlen = dtype</dt>
<dd>If the dtype represents an HDF5 vlen, returns the Python base class.
Currently only builting string vlens (str) are supported.  Returns
None if the dtype does not represent an HDF5 vlen.</dd>
<dt>enum = dtype</dt>
<dd>If the dtype represents an HDF5 enumerated type, returns the dictionary
mapping string names to integer values.  Returns None if the dtype does
not represent an HDF5 enumerated type.</dd>
<dt>ref = dtype</dt>
<dd>If the dtype represents an HDF5 reference type, returns the reference
class (either Reference or RegionReference).  Returns None if the dtype
does not represent an HDF5 reference type.</dd>
</dl>
</dd></dl>

</div>
<div class="section" id="functional-api">
<h2>Functional API<a class="headerlink" href="#functional-api" title="Permalink to this headline"></a></h2>
<dl class="function">
<dt id="h5py.h5t.create">
<code class="descclassname">h5py.h5t.</code><code class="descname">create</code><span class="sig-paren">(</span><em>INT classtype</em>, <em>UINT size</em><span class="sig-paren">)</span> &#x2192; TypeID<a class="headerlink" href="#h5py.h5t.create" title="Permalink to this definition"></a></dt>
<dd><p>Create a new HDF5 type object.  Legal class values are 
<code class="xref py py-data docutils literal"><span class="pre">COMPOUND</span></code> and <code class="xref py py-data docutils literal"><span class="pre">OPAQUE</span></code>.  Use enum_create for enums.</p>
</dd></dl>

<dl class="function">
<dt id="h5py.h5t.open">
<code class="descclassname">h5py.h5t.</code><code class="descname">open</code><span class="sig-paren">(</span><em>ObjectID group</em>, <em>STRING name</em><span class="sig-paren">)</span> &#x2192; TypeID<a class="headerlink" href="#h5py.h5t.open" title="Permalink to this definition"></a></dt>
<dd><p>Open a named datatype from a file.</p>
</dd></dl>

<dl class="function">
<dt id="h5py.h5t.array_create">
<code class="descclassname">h5py.h5t.</code><code class="descname">array_create</code><span class="sig-paren">(</span><em>TypeID base</em>, <em>TUPLE dimensions</em><span class="sig-paren">)</span> &#x2192; TypeArrayID<a class="headerlink" href="#h5py.h5t.array_create" title="Permalink to this definition"></a></dt>
<dd><p>Create a new array datatype, using and HDF5 parent type and
dimensions given via a tuple of positive integers.  &#8220;Unlimited&#8221; 
dimensions are not allowed.</p>
</dd></dl>

<dl class="function">
<dt id="h5py.h5t.enum_create">
<code class="descclassname">h5py.h5t.</code><code class="descname">enum_create</code><span class="sig-paren">(</span><em>TypeID base</em><span class="sig-paren">)</span> &#x2192; TypeID<a class="headerlink" href="#h5py.h5t.enum_create" title="Permalink to this definition"></a></dt>
<dd><p>Create a new enumerated type based on an (integer) parent type.</p>
</dd></dl>

<dl class="function">
<dt id="h5py.h5t.vlen_create">
<code class="descclassname">h5py.h5t.</code><code class="descname">vlen_create</code><span class="sig-paren">(</span><em>TypeID base</em><span class="sig-paren">)</span> &#x2192; TypeID<a class="headerlink" href="#h5py.h5t.vlen_create" title="Permalink to this definition"></a></dt>
<dd><p>Create a new variable-length datatype, using any HDF5 type as a base.</p>
<p>Although the Python interface can manipulate these types, there is no
provision for reading/writing vlen data.</p>
</dd></dl>

<dl class="function">
<dt id="h5py.h5t.decode">
<code class="descclassname">h5py.h5t.</code><code class="descname">decode</code><span class="sig-paren">(</span><em>STRING buf</em><span class="sig-paren">)</span> &#x2192; TypeID<a class="headerlink" href="#h5py.h5t.decode" title="Permalink to this definition"></a></dt>
<dd><p>Unserialize an HDF5 type.  You can also do this with the native
Python pickling machinery.</p>
</dd></dl>

<dl class="function">
<dt id="h5py.h5t.convert">
<code class="descclassname">h5py.h5t.</code><code class="descname">convert</code><span class="sig-paren">(</span><em>TypeID src</em>, <em>TypeID dst</em>, <em>UINT n</em>, <em>NDARRAY buf</em>, <em>NDARRAY bkg=None</em>, <em>PropID dxpl=None</em><span class="sig-paren">)</span><a class="headerlink" href="#h5py.h5t.convert" title="Permalink to this definition"></a></dt>
<dd><p>Convert n contiguous elements of a buffer in-place.  The array dtype
is ignored.  The backing buffer is optional; for conversion of compound
types, a temporary copy of conversion buffer will used for backing if
one is not supplied.</p>
</dd></dl>

<dl class="function">
<dt id="h5py.h5t.find">
<code class="descclassname">h5py.h5t.</code><code class="descname">find</code><span class="sig-paren">(</span><em>TypeID src</em>, <em>TypeID dst</em><span class="sig-paren">)</span> &#x2192; TUPLE or None<a class="headerlink" href="#h5py.h5t.find" title="Permalink to this definition"></a></dt>
<dd><p>Determine if a conversion path exists from src to dst.  Result is None
or a tuple describing the conversion path.  Currently tuple entries are:</p>
<ol class="arabic simple">
<li><dl class="first docutils">
<dt>INT need_bkg:    Whether this routine requires a backing buffer.</dt>
<dd>Values are <code class="xref py py-data docutils literal"><span class="pre">BKG_NO</span></code>, BKG_TEMP and <code class="xref py py-data docutils literal"><span class="pre">BKG_YES</span></code>.</dd>
</dl>
</li>
</ol>
</dd></dl>

</div>
<div class="section" id="type-classes">
<h2>Type classes<a class="headerlink" href="#type-classes" title="Permalink to this headline"></a></h2>
<dl class="class">
<dt id="h5py.h5t.TypeID">
<em class="property">class </em><code class="descclassname">h5py.h5t.</code><code class="descname">TypeID</code><a class="headerlink" href="#h5py.h5t.TypeID" title="Permalink to this definition"></a></dt>
<dd><p>Base class for type identifiers (implements common operations)</p>
<ul class="simple">
<li>Hashable: If committed; in HDF5 1.8.X, also if locked</li>
<li>Equality: Logical <code class="xref py py-data docutils literal"><span class="pre">H5T</span></code> comparison</li>
</ul>
<dl class="method">
<dt id="h5py.h5t.TypeID.commit">
<code class="descname">commit</code><span class="sig-paren">(</span><em>ObjectID group</em>, <em>STRING name</em>, <em>PropID lcpl=None</em><span class="sig-paren">)</span><a class="headerlink" href="#h5py.h5t.TypeID.commit" title="Permalink to this definition"></a></dt>
<dd><p>Commit this (transient) datatype to a named datatype in a file.
If present, lcpl may be a <a class="reference internal" href="h5p.html#h5py.h5p.PropLCID" title="h5py.h5p.PropLCID"><code class="xref py py-class docutils literal"><span class="pre">link</span> <span class="pre">creation</span> <span class="pre">property</span> <span class="pre">list</span></code></a>.</p>
</dd></dl>

<dl class="method">
<dt id="h5py.h5t.TypeID.committed">
<code class="descname">committed</code><span class="sig-paren">(</span><span class="sig-paren">)</span> &#x2192; BOOL is_comitted<a class="headerlink" href="#h5py.h5t.TypeID.committed" title="Permalink to this definition"></a></dt>
<dd><p>Determine if a given type object is named (T) or transient (F).</p>
</dd></dl>

<dl class="method">
<dt id="h5py.h5t.TypeID.copy">
<code class="descname">copy</code><span class="sig-paren">(</span><span class="sig-paren">)</span> &#x2192; TypeID<a class="headerlink" href="#h5py.h5t.TypeID.copy" title="Permalink to this definition"></a></dt>
<dd><p>Create a copy of this type object.</p>
</dd></dl>

<dl class="method">
<dt id="h5py.h5t.TypeID.detect_class">
<code class="descname">detect_class</code><span class="sig-paren">(</span><em>INT classtype</em><span class="sig-paren">)</span> &#x2192; BOOL class_is_present<a class="headerlink" href="#h5py.h5t.TypeID.detect_class" title="Permalink to this definition"></a></dt>
<dd><p>Determine if a member of the given class exists in a compound
datatype.  The search is recursive.</p>
</dd></dl>

<dl class="attribute">
<dt id="h5py.h5t.TypeID.dtype">
<code class="descname">dtype</code><a class="headerlink" href="#h5py.h5t.TypeID.dtype" title="Permalink to this definition"></a></dt>
<dd><p>A Numpy-style dtype object representing this object.</p>
</dd></dl>

<dl class="method">
<dt id="h5py.h5t.TypeID.encode">
<code class="descname">encode</code><span class="sig-paren">(</span><span class="sig-paren">)</span> &#x2192; STRING<a class="headerlink" href="#h5py.h5t.TypeID.encode" title="Permalink to this definition"></a></dt>
<dd><p>Serialize an HDF5 type.  Bear in mind you can also use the
native Python pickle/unpickle machinery to do this.  The
returned string may contain binary values, including NULLs.</p>
</dd></dl>

<dl class="method">
<dt id="h5py.h5t.TypeID.equal">
<code class="descname">equal</code><span class="sig-paren">(</span><em>TypeID typeid</em><span class="sig-paren">)</span> &#x2192; BOOL<a class="headerlink" href="#h5py.h5t.TypeID.equal" title="Permalink to this definition"></a></dt>
<dd><p>Logical comparison between datatypes.  Also called by
Python&#8217;s &#8220;==&#8221; operator.</p>
</dd></dl>

<dl class="method">
<dt id="h5py.h5t.TypeID.get_class">
<code class="descname">get_class</code><span class="sig-paren">(</span><span class="sig-paren">)</span> &#x2192; INT classcode<a class="headerlink" href="#h5py.h5t.TypeID.get_class" title="Permalink to this definition"></a></dt>
<dd><p>Determine the datatype&#8217;s class code.</p>
</dd></dl>

<dl class="method">
<dt id="h5py.h5t.TypeID.get_size">
<code class="descname">get_size</code><span class="sig-paren">(</span><span class="sig-paren">)</span> &#x2192; INT size<a class="headerlink" href="#h5py.h5t.TypeID.get_size" title="Permalink to this definition"></a></dt>
<dd><p>Determine the total size of a datatype, in bytes.</p>
</dd></dl>

<dl class="method">
<dt id="h5py.h5t.TypeID.get_super">
<code class="descname">get_super</code><span class="sig-paren">(</span><span class="sig-paren">)</span> &#x2192; TypeID<a class="headerlink" href="#h5py.h5t.TypeID.get_super" title="Permalink to this definition"></a></dt>
<dd><p>Determine the parent type of an array, enumeration or vlen datatype.</p>
</dd></dl>

<dl class="method">
<dt id="h5py.h5t.TypeID.lock">
<code class="descname">lock</code><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#h5py.h5t.TypeID.lock" title="Permalink to this definition"></a></dt>
<dd><p>Lock this datatype, which makes it immutable and indestructible.
Once locked, it can&#8217;t be unlocked.</p>
</dd></dl>

<dl class="method">
<dt id="h5py.h5t.TypeID.set_size">
<code class="descname">set_size</code><span class="sig-paren">(</span><em>UINT size</em><span class="sig-paren">)</span><a class="headerlink" href="#h5py.h5t.TypeID.set_size" title="Permalink to this definition"></a></dt>
<dd><p>Set the total size of the datatype, in bytes.</p>
</dd></dl>

</dd></dl>

<div class="section" id="atomic-classes">
<h3>Atomic classes<a class="headerlink" href="#atomic-classes" title="Permalink to this headline"></a></h3>
<p>Atomic types are integers and floats.  Much of the functionality for each is
inherited from the base class <a class="reference internal" href="#h5py.h5t.TypeAtomicID" title="h5py.h5t.TypeAtomicID"><code class="xref py py-class docutils literal"><span class="pre">TypeAtomicID</span></code></a>.</p>
<dl class="class">
<dt id="h5py.h5t.TypeAtomicID">
<em class="property">class </em><code class="descclassname">h5py.h5t.</code><code class="descname">TypeAtomicID</code><a class="headerlink" href="#h5py.h5t.TypeAtomicID" title="Permalink to this definition"></a></dt>
<dd><p>Bases: <a class="reference internal" href="#h5py.h5t.TypeID" title="h5py.h5t.TypeID"><code class="xref py py-class docutils literal"><span class="pre">h5py.h5t.TypeID</span></code></a></p>
<p>Base class for atomic datatypes (float or integer)</p>
<dl class="method">
<dt id="h5py.h5t.TypeAtomicID.get_offset">
<code class="descname">get_offset</code><span class="sig-paren">(</span><span class="sig-paren">)</span> &#x2192; INT offset<a class="headerlink" href="#h5py.h5t.TypeAtomicID.get_offset" title="Permalink to this definition"></a></dt>
<dd><p>Get the offset of the first significant bit.</p>
</dd></dl>

<dl class="method">
<dt id="h5py.h5t.TypeAtomicID.get_order">
<code class="descname">get_order</code><span class="sig-paren">(</span><span class="sig-paren">)</span> &#x2192; INT order<a class="headerlink" href="#h5py.h5t.TypeAtomicID.get_order" title="Permalink to this definition"></a></dt>
<dd><p>Obtain the byte order of the datatype; one of:</p>
<ul class="simple">
<li><code class="xref py py-data docutils literal"><span class="pre">ORDER_LE</span></code></li>
<li><code class="xref py py-data docutils literal"><span class="pre">ORDER_BE</span></code></li>
</ul>
</dd></dl>

<dl class="method">
<dt id="h5py.h5t.TypeAtomicID.get_pad">
<code class="descname">get_pad</code><span class="sig-paren">(</span><em>) -&gt; (INT lsb_pad_code</em>, <em>INT msb_pad_code</em><span class="sig-paren">)</span><a class="headerlink" href="#h5py.h5t.TypeAtomicID.get_pad" title="Permalink to this definition"></a></dt>
<dd><p>Determine the padding type.  Possible values are:</p>
<ul class="simple">
<li><code class="xref py py-data docutils literal"><span class="pre">PAD_ZERO</span></code></li>
<li><code class="xref py py-data docutils literal"><span class="pre">PAD_ONE</span></code></li>
<li><code class="xref py py-data docutils literal"><span class="pre">PAD_BACKGROUND</span></code></li>
</ul>
</dd></dl>

<dl class="method">
<dt id="h5py.h5t.TypeAtomicID.get_precision">
<code class="descname">get_precision</code><span class="sig-paren">(</span><span class="sig-paren">)</span> &#x2192; UINT precision<a class="headerlink" href="#h5py.h5t.TypeAtomicID.get_precision" title="Permalink to this definition"></a></dt>
<dd><p>Get the number of significant bits (excludes padding).</p>
</dd></dl>

<dl class="method">
<dt id="h5py.h5t.TypeAtomicID.set_offset">
<code class="descname">set_offset</code><span class="sig-paren">(</span><em>UINT offset</em><span class="sig-paren">)</span><a class="headerlink" href="#h5py.h5t.TypeAtomicID.set_offset" title="Permalink to this definition"></a></dt>
<dd><p>Set the offset of the first significant bit.</p>
</dd></dl>

<dl class="method">
<dt id="h5py.h5t.TypeAtomicID.set_order">
<code class="descname">set_order</code><span class="sig-paren">(</span><em>INT order</em><span class="sig-paren">)</span><a class="headerlink" href="#h5py.h5t.TypeAtomicID.set_order" title="Permalink to this definition"></a></dt>
<dd><p>Set the byte order of the datatype; one of:</p>
<ul class="simple">
<li><code class="xref py py-data docutils literal"><span class="pre">ORDER_LE</span></code></li>
<li><code class="xref py py-data docutils literal"><span class="pre">ORDER_BE</span></code></li>
</ul>
</dd></dl>

<dl class="method">
<dt id="h5py.h5t.TypeAtomicID.set_pad">
<code class="descname">set_pad</code><span class="sig-paren">(</span><em>INT lsb_pad_code</em>, <em>INT msb_pad_code</em><span class="sig-paren">)</span><a class="headerlink" href="#h5py.h5t.TypeAtomicID.set_pad" title="Permalink to this definition"></a></dt>
<dd><p>Set the padding type.  Possible values are:</p>
<ul class="simple">
<li><code class="xref py py-data docutils literal"><span class="pre">PAD_ZERO</span></code></li>
<li><code class="xref py py-data docutils literal"><span class="pre">PAD_ONE</span></code></li>
<li><code class="xref py py-data docutils literal"><span class="pre">PAD_BACKGROUND</span></code></li>
</ul>
</dd></dl>

<dl class="method">
<dt id="h5py.h5t.TypeAtomicID.set_precision">
<code class="descname">set_precision</code><span class="sig-paren">(</span><em>UINT precision</em><span class="sig-paren">)</span><a class="headerlink" href="#h5py.h5t.TypeAtomicID.set_precision" title="Permalink to this definition"></a></dt>
<dd><p>Set the number of significant bits (excludes padding).</p>
</dd></dl>

</dd></dl>

<dl class="class">
<dt id="h5py.h5t.TypeIntegerID">
<em class="property">class </em><code class="descclassname">h5py.h5t.</code><code class="descname">TypeIntegerID</code><a class="headerlink" href="#h5py.h5t.TypeIntegerID" title="Permalink to this definition"></a></dt>
<dd><p>Bases: <a class="reference internal" href="#h5py.h5t.TypeAtomicID" title="h5py.h5t.TypeAtomicID"><code class="xref py py-class docutils literal"><span class="pre">h5py.h5t.TypeAtomicID</span></code></a></p>
<p>Integer atomic datatypes</p>
<dl class="method">
<dt id="h5py.h5t.TypeIntegerID.get_sign">
<code class="descname">get_sign</code><span class="sig-paren">(</span><span class="sig-paren">)</span> &#x2192; INT sign<a class="headerlink" href="#h5py.h5t.TypeIntegerID.get_sign" title="Permalink to this definition"></a></dt>
<dd><p>Get the &#8220;signedness&#8221; of the datatype; one of:</p>
<dl class="docutils">
<dt><code class="xref py py-data docutils literal"><span class="pre">SGN_NONE</span></code></dt>
<dd>Unsigned</dd>
<dt><code class="xref py py-data docutils literal"><span class="pre">SGN_2</span></code></dt>
<dd>Signed 2&#8217;s complement</dd>
</dl>
</dd></dl>

<dl class="method">
<dt id="h5py.h5t.TypeIntegerID.set_sign">
<code class="descname">set_sign</code><span class="sig-paren">(</span><em>INT sign</em><span class="sig-paren">)</span><a class="headerlink" href="#h5py.h5t.TypeIntegerID.set_sign" title="Permalink to this definition"></a></dt>
<dd><p>Set the &#8220;signedness&#8221; of the datatype; one of:</p>
<dl class="docutils">
<dt><code class="xref py py-data docutils literal"><span class="pre">SGN_NONE</span></code></dt>
<dd>Unsigned</dd>
<dt><code class="xref py py-data docutils literal"><span class="pre">SGN_2</span></code></dt>
<dd>Signed 2&#8217;s complement</dd>
</dl>
</dd></dl>

</dd></dl>

<dl class="class">
<dt id="h5py.h5t.TypeFloatID">
<em class="property">class </em><code class="descclassname">h5py.h5t.</code><code class="descname">TypeFloatID</code><a class="headerlink" href="#h5py.h5t.TypeFloatID" title="Permalink to this definition"></a></dt>
<dd><p>Bases: <a class="reference internal" href="#h5py.h5t.TypeAtomicID" title="h5py.h5t.TypeAtomicID"><code class="xref py py-class docutils literal"><span class="pre">h5py.h5t.TypeAtomicID</span></code></a></p>
<p>Floating-point atomic datatypes</p>
<dl class="method">
<dt id="h5py.h5t.TypeFloatID.get_ebias">
<code class="descname">get_ebias</code><span class="sig-paren">(</span><span class="sig-paren">)</span> &#x2192; UINT ebias<a class="headerlink" href="#h5py.h5t.TypeFloatID.get_ebias" title="Permalink to this definition"></a></dt>
<dd><p>Get the exponent bias.</p>
</dd></dl>

<dl class="method">
<dt id="h5py.h5t.TypeFloatID.get_fields">
<code class="descname">get_fields</code><span class="sig-paren">(</span><span class="sig-paren">)</span> &#x2192; TUPLE field_info<a class="headerlink" href="#h5py.h5t.TypeFloatID.get_fields" title="Permalink to this definition"></a></dt>
<dd><p>Get information about floating-point bit fields.  See the HDF5
docs for a full description.  Tuple has the following members:</p>
<ol class="arabic simple" start="0">
<li>UINT spos</li>
<li>UINT epos</li>
<li>UINT esize</li>
<li>UINT mpos</li>
<li>UINT msize</li>
</ol>
</dd></dl>

<dl class="method">
<dt id="h5py.h5t.TypeFloatID.get_inpad">
<code class="descname">get_inpad</code><span class="sig-paren">(</span><span class="sig-paren">)</span> &#x2192; INT pad_code<a class="headerlink" href="#h5py.h5t.TypeFloatID.get_inpad" title="Permalink to this definition"></a></dt>
<dd><p>Determine the internal padding strategy.  Legal values are:</p>
<ul class="simple">
<li><code class="xref py py-data docutils literal"><span class="pre">PAD_ZERO</span></code></li>
<li><code class="xref py py-data docutils literal"><span class="pre">PAD_ONE</span></code></li>
<li><code class="xref py py-data docutils literal"><span class="pre">PAD_BACKGROUND</span></code></li>
</ul>
</dd></dl>

<dl class="method">
<dt id="h5py.h5t.TypeFloatID.get_norm">
<code class="descname">get_norm</code><span class="sig-paren">(</span><span class="sig-paren">)</span> &#x2192; INT normalization_code<a class="headerlink" href="#h5py.h5t.TypeFloatID.get_norm" title="Permalink to this definition"></a></dt>
<dd><p>Get the normalization strategy.  Legal values are:</p>
<ul class="simple">
<li><code class="xref py py-data docutils literal"><span class="pre">NORM_IMPLIED</span></code></li>
<li><code class="xref py py-data docutils literal"><span class="pre">NORM_MSBSET</span></code></li>
<li><code class="xref py py-data docutils literal"><span class="pre">NORM_NONE</span></code></li>
</ul>
</dd></dl>

<dl class="method">
<dt id="h5py.h5t.TypeFloatID.set_ebias">
<code class="descname">set_ebias</code><span class="sig-paren">(</span><em>UINT ebias</em><span class="sig-paren">)</span><a class="headerlink" href="#h5py.h5t.TypeFloatID.set_ebias" title="Permalink to this definition"></a></dt>
<dd><p>Set the exponent bias.</p>
</dd></dl>

<dl class="method">
<dt id="h5py.h5t.TypeFloatID.set_fields">
<code class="descname">set_fields</code><span class="sig-paren">(</span><em>UINT spos</em>, <em>UINT epos</em>, <em>UINT esize</em>, <em>UINT mpos</em>, <em>UINT msize</em><span class="sig-paren">)</span><a class="headerlink" href="#h5py.h5t.TypeFloatID.set_fields" title="Permalink to this definition"></a></dt>
<dd><p>Set floating-point bit fields.  Refer to the HDF5 docs for
argument definitions.</p>
</dd></dl>

<dl class="method">
<dt id="h5py.h5t.TypeFloatID.set_inpad">
<code class="descname">set_inpad</code><span class="sig-paren">(</span><em>INT pad_code</em><span class="sig-paren">)</span><a class="headerlink" href="#h5py.h5t.TypeFloatID.set_inpad" title="Permalink to this definition"></a></dt>
<dd><p>Set the internal padding strategy.  Legal values are:</p>
<ul class="simple">
<li><code class="xref py py-data docutils literal"><span class="pre">PAD_ZERO</span></code></li>
<li><code class="xref py py-data docutils literal"><span class="pre">PAD_ONE</span></code></li>
<li><code class="xref py py-data docutils literal"><span class="pre">PAD_BACKGROUND</span></code></li>
</ul>
</dd></dl>

<dl class="method">
<dt id="h5py.h5t.TypeFloatID.set_norm">
<code class="descname">set_norm</code><span class="sig-paren">(</span><em>INT normalization_code</em><span class="sig-paren">)</span><a class="headerlink" href="#h5py.h5t.TypeFloatID.set_norm" title="Permalink to this definition"></a></dt>
<dd><p>Set the normalization strategy.  Legal values are:</p>
<ul class="simple">
<li><code class="xref py py-data docutils literal"><span class="pre">NORM_IMPLIED</span></code></li>
<li><code class="xref py py-data docutils literal"><span class="pre">NORM_MSBSET</span></code></li>
<li><code class="xref py py-data docutils literal"><span class="pre">NORM_NONE</span></code></li>
</ul>
</dd></dl>

</dd></dl>

</div>
<div class="section" id="strings">
<h3>Strings<a class="headerlink" href="#strings" title="Permalink to this headline"></a></h3>
<dl class="class">
<dt id="h5py.h5t.TypeStringID">
<em class="property">class </em><code class="descclassname">h5py.h5t.</code><code class="descname">TypeStringID</code><a class="headerlink" href="#h5py.h5t.TypeStringID" title="Permalink to this definition"></a></dt>
<dd><p>Bases: <a class="reference internal" href="#h5py.h5t.TypeID" title="h5py.h5t.TypeID"><code class="xref py py-class docutils literal"><span class="pre">h5py.h5t.TypeID</span></code></a></p>
<p>String datatypes, both fixed and vlen.</p>
<dl class="method">
<dt id="h5py.h5t.TypeStringID.get_cset">
<code class="descname">get_cset</code><span class="sig-paren">(</span><span class="sig-paren">)</span> &#x2192; INT character_set<a class="headerlink" href="#h5py.h5t.TypeStringID.get_cset" title="Permalink to this definition"></a></dt>
<dd><p>Retrieve the character set used for a string.</p>
</dd></dl>

<dl class="method">
<dt id="h5py.h5t.TypeStringID.get_strpad">
<code class="descname">get_strpad</code><span class="sig-paren">(</span><span class="sig-paren">)</span> &#x2192; INT padding_type<a class="headerlink" href="#h5py.h5t.TypeStringID.get_strpad" title="Permalink to this definition"></a></dt>
<dd><p>Get the padding type.  Legal values are:</p>
<dl class="docutils">
<dt><code class="xref py py-data docutils literal"><span class="pre">STR_NULLTERM</span></code></dt>
<dd>NULL termination only (C style)</dd>
<dt><code class="xref py py-data docutils literal"><span class="pre">STR_NULLPAD</span></code></dt>
<dd>Pad buffer with NULLs</dd>
<dt><code class="xref py py-data docutils literal"><span class="pre">STR_SPACEPAD</span></code></dt>
<dd>Pad buffer with spaces (FORTRAN style)</dd>
</dl>
</dd></dl>

<dl class="method">
<dt id="h5py.h5t.TypeStringID.is_variable_str">
<code class="descname">is_variable_str</code><span class="sig-paren">(</span><span class="sig-paren">)</span> &#x2192; BOOL is_variable<a class="headerlink" href="#h5py.h5t.TypeStringID.is_variable_str" title="Permalink to this definition"></a></dt>
<dd><p>Determine if the given string datatype is a variable-length string.</p>
</dd></dl>

<dl class="method">
<dt id="h5py.h5t.TypeStringID.set_cset">
<code class="descname">set_cset</code><span class="sig-paren">(</span><em>INT character_set</em><span class="sig-paren">)</span><a class="headerlink" href="#h5py.h5t.TypeStringID.set_cset" title="Permalink to this definition"></a></dt>
<dd><p>Set the character set used for a string.</p>
</dd></dl>

<dl class="method">
<dt id="h5py.h5t.TypeStringID.set_strpad">
<code class="descname">set_strpad</code><span class="sig-paren">(</span><em>INT pad</em><span class="sig-paren">)</span><a class="headerlink" href="#h5py.h5t.TypeStringID.set_strpad" title="Permalink to this definition"></a></dt>
<dd><p>Set the padding type.  Legal values are:</p>
<dl class="docutils">
<dt><code class="xref py py-data docutils literal"><span class="pre">STR_NULLTERM</span></code></dt>
<dd>NULL termination only (C style)</dd>
<dt><code class="xref py py-data docutils literal"><span class="pre">STR_NULLPAD</span></code></dt>
<dd>Pad buffer with NULLs</dd>
<dt><code class="xref py py-data docutils literal"><span class="pre">STR_SPACEPAD</span></code></dt>
<dd>Pad buffer with spaces (FORTRAN style)</dd>
</dl>
</dd></dl>

</dd></dl>

</div>
<div class="section" id="compound-types">
<h3>Compound Types<a class="headerlink" href="#compound-types" title="Permalink to this headline"></a></h3>
<p>Traditional compound type (like NumPy record type) and enumerated types share
a base class, <a class="reference internal" href="#h5py.h5t.TypeCompositeID" title="h5py.h5t.TypeCompositeID"><code class="xref py py-class docutils literal"><span class="pre">TypeCompositeID</span></code></a>.</p>
<dl class="class">
<dt id="h5py.h5t.TypeCompositeID">
<em class="property">class </em><code class="descclassname">h5py.h5t.</code><code class="descname">TypeCompositeID</code><a class="headerlink" href="#h5py.h5t.TypeCompositeID" title="Permalink to this definition"></a></dt>
<dd><p>Bases: <a class="reference internal" href="#h5py.h5t.TypeID" title="h5py.h5t.TypeID"><code class="xref py py-class docutils literal"><span class="pre">h5py.h5t.TypeID</span></code></a></p>
<p>Base class for enumerated and compound types.</p>
<dl class="method">
<dt id="h5py.h5t.TypeCompositeID.get_member_index">
<code class="descname">get_member_index</code><span class="sig-paren">(</span><em>STRING name</em><span class="sig-paren">)</span> &#x2192; INT index<a class="headerlink" href="#h5py.h5t.TypeCompositeID.get_member_index" title="Permalink to this definition"></a></dt>
<dd><p>Determine the index of a member of a compound or enumerated datatype
identified by a string name.</p>
</dd></dl>

<dl class="method">
<dt id="h5py.h5t.TypeCompositeID.get_member_name">
<code class="descname">get_member_name</code><span class="sig-paren">(</span><em>INT member</em><span class="sig-paren">)</span> &#x2192; STRING name<a class="headerlink" href="#h5py.h5t.TypeCompositeID.get_member_name" title="Permalink to this definition"></a></dt>
<dd><p>Determine the name of a member of a compound or enumerated type,
identified by its index (0 &lt;= member &lt; nmembers).</p>
</dd></dl>

<dl class="method">
<dt id="h5py.h5t.TypeCompositeID.get_nmembers">
<code class="descname">get_nmembers</code><span class="sig-paren">(</span><span class="sig-paren">)</span> &#x2192; INT number_of_members<a class="headerlink" href="#h5py.h5t.TypeCompositeID.get_nmembers" title="Permalink to this definition"></a></dt>
<dd><p>Determine the number of members in a compound or enumerated type.</p>
</dd></dl>

</dd></dl>

<dl class="class">
<dt id="h5py.h5t.TypeCompoundID">
<em class="property">class </em><code class="descclassname">h5py.h5t.</code><code class="descname">TypeCompoundID</code><a class="headerlink" href="#h5py.h5t.TypeCompoundID" title="Permalink to this definition"></a></dt>
<dd><p>Bases: <a class="reference internal" href="#h5py.h5t.TypeCompositeID" title="h5py.h5t.TypeCompositeID"><code class="xref py py-class docutils literal"><span class="pre">h5py.h5t.TypeCompositeID</span></code></a></p>
<p>Represents a compound datatype</p>
<dl class="method">
<dt id="h5py.h5t.TypeCompoundID.get_member_class">
<code class="descname">get_member_class</code><span class="sig-paren">(</span><em>INT member</em><span class="sig-paren">)</span> &#x2192; INT class<a class="headerlink" href="#h5py.h5t.TypeCompoundID.get_member_class" title="Permalink to this definition"></a></dt>
<dd><p>Determine the datatype class of the member of a compound type,
identified by its index (0 &lt;= member &lt; nmembers).</p>
</dd></dl>

<dl class="method">
<dt id="h5py.h5t.TypeCompoundID.get_member_offset">
<code class="descname">get_member_offset</code><span class="sig-paren">(</span><em>INT member</em><span class="sig-paren">)</span> &#x2192; INT offset<a class="headerlink" href="#h5py.h5t.TypeCompoundID.get_member_offset" title="Permalink to this definition"></a></dt>
<dd><p>Determine the offset, in bytes, of the beginning of the specified
member of a compound datatype.</p>
</dd></dl>

<dl class="method">
<dt id="h5py.h5t.TypeCompoundID.get_member_type">
<code class="descname">get_member_type</code><span class="sig-paren">(</span><em>INT member</em><span class="sig-paren">)</span> &#x2192; TypeID<a class="headerlink" href="#h5py.h5t.TypeCompoundID.get_member_type" title="Permalink to this definition"></a></dt>
<dd><p>Create a copy of a member of a compound datatype, identified by its
index.</p>
</dd></dl>

<dl class="method">
<dt id="h5py.h5t.TypeCompoundID.insert">
<code class="descname">insert</code><span class="sig-paren">(</span><em>STRING name</em>, <em>UINT offset</em>, <em>TypeID field</em><span class="sig-paren">)</span><a class="headerlink" href="#h5py.h5t.TypeCompoundID.insert" title="Permalink to this definition"></a></dt>
<dd><p>Add a named member datatype to a compound datatype.  The parameter
offset indicates the offset from the start of the compound datatype,
in bytes.</p>
</dd></dl>

<dl class="method">
<dt id="h5py.h5t.TypeCompoundID.pack">
<code class="descname">pack</code><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#h5py.h5t.TypeCompoundID.pack" title="Permalink to this definition"></a></dt>
<dd><p>Recursively removes padding (introduced on account of e.g. compiler
alignment rules) from a compound datatype.</p>
</dd></dl>

</dd></dl>

<dl class="class">
<dt id="h5py.h5t.TypeEnumID">
<em class="property">class </em><code class="descclassname">h5py.h5t.</code><code class="descname">TypeEnumID</code><a class="headerlink" href="#h5py.h5t.TypeEnumID" title="Permalink to this definition"></a></dt>
<dd><p>Bases: <a class="reference internal" href="#h5py.h5t.TypeCompositeID" title="h5py.h5t.TypeCompositeID"><code class="xref py py-class docutils literal"><span class="pre">h5py.h5t.TypeCompositeID</span></code></a></p>
<p>Represents an enumerated type</p>
<dl class="method">
<dt id="h5py.h5t.TypeEnumID.enum_insert">
<code class="descname">enum_insert</code><span class="sig-paren">(</span><em>STRING name</em>, <em>INT/LONG value</em><span class="sig-paren">)</span><a class="headerlink" href="#h5py.h5t.TypeEnumID.enum_insert" title="Permalink to this definition"></a></dt>
<dd><p>Define a new member of an enumerated type.  The value will be
automatically converted to the base type defined for this enum.  If
the conversion results in overflow, the value will be silently 
clipped.</p>
</dd></dl>

<dl class="method">
<dt id="h5py.h5t.TypeEnumID.enum_nameof">
<code class="descname">enum_nameof</code><span class="sig-paren">(</span><em>LONG value</em><span class="sig-paren">)</span> &#x2192; STRING name<a class="headerlink" href="#h5py.h5t.TypeEnumID.enum_nameof" title="Permalink to this definition"></a></dt>
<dd><p>Determine the name associated with the given value.  Due to a
limitation of the HDF5 library, this can only retrieve names up to
1023 characters in length.</p>
</dd></dl>

<dl class="method">
<dt id="h5py.h5t.TypeEnumID.enum_valueof">
<code class="descname">enum_valueof</code><span class="sig-paren">(</span><em>STRING name</em><span class="sig-paren">)</span> &#x2192; LONG value<a class="headerlink" href="#h5py.h5t.TypeEnumID.enum_valueof" title="Permalink to this definition"></a></dt>
<dd><p>Get the value associated with an enum name.</p>
</dd></dl>

<dl class="method">
<dt id="h5py.h5t.TypeEnumID.get_member_value">
<code class="descname">get_member_value</code><span class="sig-paren">(</span><em>UINT index</em><span class="sig-paren">)</span> &#x2192; LONG value<a class="headerlink" href="#h5py.h5t.TypeEnumID.get_member_value" title="Permalink to this definition"></a></dt>
<dd><p>Determine the value for the member at the given zero-based index.</p>
</dd></dl>

</dd></dl>

</div>
<div class="section" id="other-types">
<h3>Other types<a class="headerlink" href="#other-types" title="Permalink to this headline"></a></h3>
<dl class="class">
<dt id="h5py.h5t.TypeArrayID">
<em class="property">class </em><code class="descclassname">h5py.h5t.</code><code class="descname">TypeArrayID</code><a class="headerlink" href="#h5py.h5t.TypeArrayID" title="Permalink to this definition"></a></dt>
<dd><p>Bases: <a class="reference internal" href="#h5py.h5t.TypeID" title="h5py.h5t.TypeID"><code class="xref py py-class docutils literal"><span class="pre">h5py.h5t.TypeID</span></code></a></p>
<p>Represents an array datatype</p>
<dl class="method">
<dt id="h5py.h5t.TypeArrayID.get_array_dims">
<code class="descname">get_array_dims</code><span class="sig-paren">(</span><span class="sig-paren">)</span> &#x2192; TUPLE dimensions<a class="headerlink" href="#h5py.h5t.TypeArrayID.get_array_dims" title="Permalink to this definition"></a></dt>
<dd><p>Get the dimensions of the given array datatype as
a tuple of integers.</p>
</dd></dl>

<dl class="method">
<dt id="h5py.h5t.TypeArrayID.get_array_ndims">
<code class="descname">get_array_ndims</code><span class="sig-paren">(</span><span class="sig-paren">)</span> &#x2192; INT rank<a class="headerlink" href="#h5py.h5t.TypeArrayID.get_array_ndims" title="Permalink to this definition"></a></dt>
<dd><p>Get the rank of the given array datatype.</p>
</dd></dl>

</dd></dl>

<dl class="class">
<dt id="h5py.h5t.TypeOpaqueID">
<em class="property">class </em><code class="descclassname">h5py.h5t.</code><code class="descname">TypeOpaqueID</code><a class="headerlink" href="#h5py.h5t.TypeOpaqueID" title="Permalink to this definition"></a></dt>
<dd><p>Bases: <a class="reference internal" href="#h5py.h5t.TypeID" title="h5py.h5t.TypeID"><code class="xref py py-class docutils literal"><span class="pre">h5py.h5t.TypeID</span></code></a></p>
<p>Represents an opaque type</p>
<dl class="method">
<dt id="h5py.h5t.TypeOpaqueID.get_tag">
<code class="descname">get_tag</code><span class="sig-paren">(</span><span class="sig-paren">)</span> &#x2192; STRING tag<a class="headerlink" href="#h5py.h5t.TypeOpaqueID.get_tag" title="Permalink to this definition"></a></dt>
<dd><p>Get the tag associated with an opaque datatype.</p>
</dd></dl>

<dl class="method">
<dt id="h5py.h5t.TypeOpaqueID.set_tag">
<code class="descname">set_tag</code><span class="sig-paren">(</span><em>STRING tag</em><span class="sig-paren">)</span><a class="headerlink" href="#h5py.h5t.TypeOpaqueID.set_tag" title="Permalink to this definition"></a></dt>
<dd><p>Set a string describing the contents of an opaque datatype.
Limited to 256 characters.</p>
</dd></dl>

</dd></dl>

<dl class="class">
<dt id="h5py.h5t.TypeVlenID">
<em class="property">class </em><code class="descclassname">h5py.h5t.</code><code class="descname">TypeVlenID</code><a class="headerlink" href="#h5py.h5t.TypeVlenID" title="Permalink to this definition"></a></dt>
<dd><p>Bases: <a class="reference internal" href="#h5py.h5t.TypeID" title="h5py.h5t.TypeID"><code class="xref py py-class docutils literal"><span class="pre">h5py.h5t.TypeID</span></code></a></p>
<p>Non-string vlen datatypes.</p>
</dd></dl>

<dl class="class">
<dt id="h5py.h5t.TypeBitfieldID">
<em class="property">class </em><code class="descclassname">h5py.h5t.</code><code class="descname">TypeBitfieldID</code><a class="headerlink" href="#h5py.h5t.TypeBitfieldID" title="Permalink to this definition"></a></dt>
<dd><p>Bases: <a class="reference internal" href="#h5py.h5t.TypeID" title="h5py.h5t.TypeID"><code class="xref py py-class docutils literal"><span class="pre">h5py.h5t.TypeID</span></code></a></p>
<p>HDF5 bitfield type</p>
</dd></dl>

<dl class="class">
<dt id="h5py.h5t.TypeReferenceID">
<em class="property">class </em><code class="descclassname">h5py.h5t.</code><code class="descname">TypeReferenceID</code><a class="headerlink" href="#h5py.h5t.TypeReferenceID" title="Permalink to this definition"></a></dt>
<dd><p>Bases: <a class="reference internal" href="#h5py.h5t.TypeID" title="h5py.h5t.TypeID"><code class="xref py py-class docutils literal"><span class="pre">h5py.h5t.TypeID</span></code></a></p>
<p>HDF5 object or region reference</p>
</dd></dl>

</div>
</div>
<div class="section" id="predefined-datatypes">
<h2>Predefined Datatypes<a class="headerlink" href="#predefined-datatypes" title="Permalink to this headline"></a></h2>
<p>These locked types are pre-allocated by the library.</p>
<div class="section" id="floating-point">
<h3>Floating-point<a class="headerlink" href="#floating-point" title="Permalink to this headline"></a></h3>
<dl class="data">
<dt id="h5py.h5t.IEEE_F32LE">
<code class="descclassname">h5py.h5t.</code><code class="descname">IEEE_F32LE</code><a class="headerlink" href="#h5py.h5t.IEEE_F32LE" title="Permalink to this definition"></a></dt>
<dd></dd></dl>

<dl class="data">
<dt id="h5py.h5t.IEEE_F32BE">
<code class="descclassname">h5py.h5t.</code><code class="descname">IEEE_F32BE</code><a class="headerlink" href="#h5py.h5t.IEEE_F32BE" title="Permalink to this definition"></a></dt>
<dd></dd></dl>

<dl class="data">
<dt id="h5py.h5t.IEEE_F64LE">
<code class="descclassname">h5py.h5t.</code><code class="descname">IEEE_F64LE</code><a class="headerlink" href="#h5py.h5t.IEEE_F64LE" title="Permalink to this definition"></a></dt>
<dd></dd></dl>

<dl class="data">
<dt id="h5py.h5t.IEEE_F64BE">
<code class="descclassname">h5py.h5t.</code><code class="descname">IEEE_F64BE</code><a class="headerlink" href="#h5py.h5t.IEEE_F64BE" title="Permalink to this definition"></a></dt>
<dd></dd></dl>

</div>
<div class="section" id="integer-types">
<h3>Integer types<a class="headerlink" href="#integer-types" title="Permalink to this headline"></a></h3>
<dl class="data">
<dt id="h5py.h5t.STD_I8LE">
<code class="descclassname">h5py.h5t.</code><code class="descname">STD_I8LE</code><a class="headerlink" href="#h5py.h5t.STD_I8LE" title="Permalink to this definition"></a></dt>
<dd></dd></dl>

<dl class="data">
<dt id="h5py.h5t.STD_I16LE">
<code class="descclassname">h5py.h5t.</code><code class="descname">STD_I16LE</code><a class="headerlink" href="#h5py.h5t.STD_I16LE" title="Permalink to this definition"></a></dt>
<dd></dd></dl>

<dl class="data">
<dt id="h5py.h5t.STD_I32LE">
<code class="descclassname">h5py.h5t.</code><code class="descname">STD_I32LE</code><a class="headerlink" href="#h5py.h5t.STD_I32LE" title="Permalink to this definition"></a></dt>
<dd></dd></dl>

<dl class="data">
<dt id="h5py.h5t.STD_I64LE">
<code class="descclassname">h5py.h5t.</code><code class="descname">STD_I64LE</code><a class="headerlink" href="#h5py.h5t.STD_I64LE" title="Permalink to this definition"></a></dt>
<dd></dd></dl>

<dl class="data">
<dt id="h5py.h5t.STD_I8BE">
<code class="descclassname">h5py.h5t.</code><code class="descname">STD_I8BE</code><a class="headerlink" href="#h5py.h5t.STD_I8BE" title="Permalink to this definition"></a></dt>
<dd></dd></dl>

<dl class="data">
<dt id="h5py.h5t.STD_I16BE">
<code class="descclassname">h5py.h5t.</code><code class="descname">STD_I16BE</code><a class="headerlink" href="#h5py.h5t.STD_I16BE" title="Permalink to this definition"></a></dt>
<dd></dd></dl>

<dl class="data">
<dt id="h5py.h5t.STD_I32BE">
<code class="descclassname">h5py.h5t.</code><code class="descname">STD_I32BE</code><a class="headerlink" href="#h5py.h5t.STD_I32BE" title="Permalink to this definition"></a></dt>
<dd></dd></dl>

<dl class="data">
<dt id="h5py.h5t.STD_I64BE">
<code class="descclassname">h5py.h5t.</code><code class="descname">STD_I64BE</code><a class="headerlink" href="#h5py.h5t.STD_I64BE" title="Permalink to this definition"></a></dt>
<dd></dd></dl>

<dl class="data">
<dt id="h5py.h5t.STD_U8LE">
<code class="descclassname">h5py.h5t.</code><code class="descname">STD_U8LE</code><a class="headerlink" href="#h5py.h5t.STD_U8LE" title="Permalink to this definition"></a></dt>
<dd></dd></dl>

<dl class="data">
<dt id="h5py.h5t.STD_U16LE">
<code class="descclassname">h5py.h5t.</code><code class="descname">STD_U16LE</code><a class="headerlink" href="#h5py.h5t.STD_U16LE" title="Permalink to this definition"></a></dt>
<dd></dd></dl>

<dl class="data">
<dt id="h5py.h5t.STD_U32LE">
<code class="descclassname">h5py.h5t.</code><code class="descname">STD_U32LE</code><a class="headerlink" href="#h5py.h5t.STD_U32LE" title="Permalink to this definition"></a></dt>
<dd></dd></dl>

<dl class="data">
<dt id="h5py.h5t.STD_U64LE">
<code class="descclassname">h5py.h5t.</code><code class="descname">STD_U64LE</code><a class="headerlink" href="#h5py.h5t.STD_U64LE" title="Permalink to this definition"></a></dt>
<dd></dd></dl>

<dl class="data">
<dt id="h5py.h5t.STD_U8BE">
<code class="descclassname">h5py.h5t.</code><code class="descname">STD_U8BE</code><a class="headerlink" href="#h5py.h5t.STD_U8BE" title="Permalink to this definition"></a></dt>
<dd></dd></dl>

<dl class="data">
<dt id="h5py.h5t.STD_U16BE">
<code class="descclassname">h5py.h5t.</code><code class="descname">STD_U16BE</code><a class="headerlink" href="#h5py.h5t.STD_U16BE" title="Permalink to this definition"></a></dt>
<dd></dd></dl>

<dl class="data">
<dt id="h5py.h5t.STD_U32BE">
<code class="descclassname">h5py.h5t.</code><code class="descname">STD_U32BE</code><a class="headerlink" href="#h5py.h5t.STD_U32BE" title="Permalink to this definition"></a></dt>
<dd></dd></dl>

<dl class="data">
<dt id="h5py.h5t.STD_U64BE">
<code class="descclassname">h5py.h5t.</code><code class="descname">STD_U64BE</code><a class="headerlink" href="#h5py.h5t.STD_U64BE" title="Permalink to this definition"></a></dt>
<dd></dd></dl>

<dl class="data">
<dt id="h5py.h5t.NATIVE_INT8">
<code class="descclassname">h5py.h5t.</code><code class="descname">NATIVE_INT8</code><a class="headerlink" href="#h5py.h5t.NATIVE_INT8" title="Permalink to this definition"></a></dt>
<dd></dd></dl>

<dl class="data">
<dt id="h5py.h5t.NATIVE_UINT8">
<code class="descclassname">h5py.h5t.</code><code class="descname">NATIVE_UINT8</code><a class="headerlink" href="#h5py.h5t.NATIVE_UINT8" title="Permalink to this definition"></a></dt>
<dd></dd></dl>

<dl class="data">
<dt id="h5py.h5t.NATIVE_INT16">
<code class="descclassname">h5py.h5t.</code><code class="descname">NATIVE_INT16</code><a class="headerlink" href="#h5py.h5t.NATIVE_INT16" title="Permalink to this definition"></a></dt>
<dd></dd></dl>

<dl class="data">
<dt id="h5py.h5t.NATIVE_UINT16">
<code class="descclassname">h5py.h5t.</code><code class="descname">NATIVE_UINT16</code><a class="headerlink" href="#h5py.h5t.NATIVE_UINT16" title="Permalink to this definition"></a></dt>
<dd></dd></dl>

<dl class="data">
<dt id="h5py.h5t.NATIVE_INT32">
<code class="descclassname">h5py.h5t.</code><code class="descname">NATIVE_INT32</code><a class="headerlink" href="#h5py.h5t.NATIVE_INT32" title="Permalink to this definition"></a></dt>
<dd></dd></dl>

<dl class="data">
<dt id="h5py.h5t.NATIVE_UINT32">
<code class="descclassname">h5py.h5t.</code><code class="descname">NATIVE_UINT32</code><a class="headerlink" href="#h5py.h5t.NATIVE_UINT32" title="Permalink to this definition"></a></dt>
<dd></dd></dl>

<dl class="data">
<dt id="h5py.h5t.NATIVE_INT64">
<code class="descclassname">h5py.h5t.</code><code class="descname">NATIVE_INT64</code><a class="headerlink" href="#h5py.h5t.NATIVE_INT64" title="Permalink to this definition"></a></dt>
<dd></dd></dl>

<dl class="data">
<dt id="h5py.h5t.NATIVE_UINT64">
<code class="descclassname">h5py.h5t.</code><code class="descname">NATIVE_UINT64</code><a class="headerlink" href="#h5py.h5t.NATIVE_UINT64" title="Permalink to this definition"></a></dt>
<dd></dd></dl>

<dl class="data">
<dt id="h5py.h5t.NATIVE_FLOAT">
<code class="descclassname">h5py.h5t.</code><code class="descname">NATIVE_FLOAT</code><a class="headerlink" href="#h5py.h5t.NATIVE_FLOAT" title="Permalink to this definition"></a></dt>
<dd></dd></dl>

<dl class="data">
<dt id="h5py.h5t.NATIVE_DOUBLE">
<code class="descclassname">h5py.h5t.</code><code class="descname">NATIVE_DOUBLE</code><a class="headerlink" href="#h5py.h5t.NATIVE_DOUBLE" title="Permalink to this definition"></a></dt>
<dd></dd></dl>

</div>
<div class="section" id="reference-types">
<h3>Reference types<a class="headerlink" href="#reference-types" title="Permalink to this headline"></a></h3>
<dl class="data">
<dt id="h5py.h5t.STD_REF_OBJ">
<code class="descclassname">h5py.h5t.</code><code class="descname">STD_REF_OBJ</code><a class="headerlink" href="#h5py.h5t.STD_REF_OBJ" title="Permalink to this definition"></a></dt>
<dd></dd></dl>

<dl class="data">
<dt id="h5py.h5t.STD_REF_DSETREG">
<code class="descclassname">h5py.h5t.</code><code class="descname">STD_REF_DSETREG</code><a class="headerlink" href="#h5py.h5t.STD_REF_DSETREG" title="Permalink to this definition"></a></dt>
<dd></dd></dl>

</div>
<div class="section" id="string-types">
<h3>String types<a class="headerlink" href="#string-types" title="Permalink to this headline"></a></h3>
<dl class="data">
<dt id="h5py.h5t.C_S1">
<code class="descclassname">h5py.h5t.</code><code class="descname">C_S1</code><a class="headerlink" href="#h5py.h5t.C_S1" title="Permalink to this definition"></a></dt>
<dd><p>Null-terminated fixed-length string</p>
</dd></dl>

<dl class="data">
<dt id="h5py.h5t.FORTRAN_S1">
<code class="descclassname">h5py.h5t.</code><code class="descname">FORTRAN_S1</code><a class="headerlink" href="#h5py.h5t.FORTRAN_S1" title="Permalink to this definition"></a></dt>
<dd><p>Zero-padded fixed-length string</p>
</dd></dl>

<dl class="data">
<dt id="h5py.h5t.VARIABLE">
<code class="descclassname">h5py.h5t.</code><code class="descname">VARIABLE</code><a class="headerlink" href="#h5py.h5t.VARIABLE" title="Permalink to this definition"></a></dt>
<dd><p>Variable-length string</p>
</dd></dl>

</div>
<div class="section" id="python-object-type">
<h3>Python object type<a class="headerlink" href="#python-object-type" title="Permalink to this headline"></a></h3>
<dl class="data">
<dt id="h5py.h5t.PYTHON_OBJECT">
<code class="descclassname">h5py.h5t.</code><code class="descname">PYTHON_OBJECT</code><a class="headerlink" href="#h5py.h5t.PYTHON_OBJECT" title="Permalink to this definition"></a></dt>
<dd></dd></dl>

</div>
</div>
<div class="section" id="module-constants">
<h2>Module constants<a class="headerlink" href="#module-constants" title="Permalink to this headline"></a></h2>
<div class="section" id="datatype-class-codes">
<h3>Datatype class codes<a class="headerlink" href="#datatype-class-codes" title="Permalink to this headline"></a></h3>
<dl class="data">
<dt id="h5py.h5t.NO_CLASS">
<code class="descclassname">h5py.h5t.</code><code class="descname">NO_CLASS</code><a class="headerlink" href="#h5py.h5t.NO_CLASS" title="Permalink to this definition"></a></dt>
<dd></dd></dl>

<dl class="data">
<dt id="h5py.h5t.INTEGER">
<code class="descclassname">h5py.h5t.</code><code class="descname">INTEGER</code><a class="headerlink" href="#h5py.h5t.INTEGER" title="Permalink to this definition"></a></dt>
<dd></dd></dl>

<dl class="data">
<dt id="h5py.h5t.FLOAT">
<code class="descclassname">h5py.h5t.</code><code class="descname">FLOAT</code><a class="headerlink" href="#h5py.h5t.FLOAT" title="Permalink to this definition"></a></dt>
<dd></dd></dl>

<dl class="data">
<dt id="h5py.h5t.TIME">
<code class="descclassname">h5py.h5t.</code><code class="descname">TIME</code><a class="headerlink" href="#h5py.h5t.TIME" title="Permalink to this definition"></a></dt>
<dd></dd></dl>

<dl class="data">
<dt id="h5py.h5t.STRING">
<code class="descclassname">h5py.h5t.</code><code class="descname">STRING</code><a class="headerlink" href="#h5py.h5t.STRING" title="Permalink to this definition"></a></dt>
<dd></dd></dl>

<dl class="data">
<dt id="h5py.h5t.BITFIELD">
<code class="descclassname">h5py.h5t.</code><code class="descname">BITFIELD</code><a class="headerlink" href="#h5py.h5t.BITFIELD" title="Permalink to this definition"></a></dt>
<dd></dd></dl>

<dl class="data">
<dt id="h5py.h5t.OPAQUE">
<code class="descclassname">h5py.h5t.</code><code class="descname">OPAQUE</code><a class="headerlink" href="#h5py.h5t.OPAQUE" title="Permalink to this definition"></a></dt>
<dd></dd></dl>

<dl class="data">
<dt id="h5py.h5t.COMPOUND">
<code class="descclassname">h5py.h5t.</code><code class="descname">COMPOUND</code><a class="headerlink" href="#h5py.h5t.COMPOUND" title="Permalink to this definition"></a></dt>
<dd></dd></dl>

<dl class="data">
<dt id="h5py.h5t.REFERENCE">
<code class="descclassname">h5py.h5t.</code><code class="descname">REFERENCE</code><a class="headerlink" href="#h5py.h5t.REFERENCE" title="Permalink to this definition"></a></dt>
<dd></dd></dl>

<dl class="data">
<dt id="h5py.h5t.ENUM">
<code class="descclassname">h5py.h5t.</code><code class="descname">ENUM</code><a class="headerlink" href="#h5py.h5t.ENUM" title="Permalink to this definition"></a></dt>
<dd></dd></dl>

<dl class="data">
<dt id="h5py.h5t.VLEN">
<code class="descclassname">h5py.h5t.</code><code class="descname">VLEN</code><a class="headerlink" href="#h5py.h5t.VLEN" title="Permalink to this definition"></a></dt>
<dd></dd></dl>

<dl class="data">
<dt id="h5py.h5t.ARRAY">
<code class="descclassname">h5py.h5t.</code><code class="descname">ARRAY</code><a class="headerlink" href="#h5py.h5t.ARRAY" title="Permalink to this definition"></a></dt>
<dd></dd></dl>

</div>
<div class="section" id="api-constants">
<h3>API Constants<a class="headerlink" href="#api-constants" title="Permalink to this headline"></a></h3>
<dl class="data">
<dt id="h5py.h5t.SGN_NONE">
<code class="descclassname">h5py.h5t.</code><code class="descname">SGN_NONE</code><a class="headerlink" href="#h5py.h5t.SGN_NONE" title="Permalink to this definition"></a></dt>
<dd></dd></dl>

<dl class="data">
<dt id="h5py.h5t.SGN_2">
<code class="descclassname">h5py.h5t.</code><code class="descname">SGN_2</code><a class="headerlink" href="#h5py.h5t.SGN_2" title="Permalink to this definition"></a></dt>
<dd></dd></dl>

<dl class="data">
<dt id="h5py.h5t.ORDER_LE">
<code class="descclassname">h5py.h5t.</code><code class="descname">ORDER_LE</code><a class="headerlink" href="#h5py.h5t.ORDER_LE" title="Permalink to this definition"></a></dt>
<dd></dd></dl>

<dl class="data">
<dt id="h5py.h5t.ORDER_BE">
<code class="descclassname">h5py.h5t.</code><code class="descname">ORDER_BE</code><a class="headerlink" href="#h5py.h5t.ORDER_BE" title="Permalink to this definition"></a></dt>
<dd></dd></dl>

<dl class="data">
<dt id="h5py.h5t.ORDER_VAX">
<code class="descclassname">h5py.h5t.</code><code class="descname">ORDER_VAX</code><a class="headerlink" href="#h5py.h5t.ORDER_VAX" title="Permalink to this definition"></a></dt>
<dd></dd></dl>

<dl class="data">
<dt id="h5py.h5t.ORDER_NONE">
<code class="descclassname">h5py.h5t.</code><code class="descname">ORDER_NONE</code><a class="headerlink" href="#h5py.h5t.ORDER_NONE" title="Permalink to this definition"></a></dt>
<dd></dd></dl>

<dl class="data">
<dt id="h5py.h5t.ORDER_NATIVE">
<code class="descclassname">h5py.h5t.</code><code class="descname">ORDER_NATIVE</code><a class="headerlink" href="#h5py.h5t.ORDER_NATIVE" title="Permalink to this definition"></a></dt>
<dd></dd></dl>

<dl class="data">
<dt id="h5py.h5t.DIR_DEFAULT">
<code class="descclassname">h5py.h5t.</code><code class="descname">DIR_DEFAULT</code><a class="headerlink" href="#h5py.h5t.DIR_DEFAULT" title="Permalink to this definition"></a></dt>
<dd></dd></dl>

<dl class="data">
<dt id="h5py.h5t.DIR_ASCEND">
<code class="descclassname">h5py.h5t.</code><code class="descname">DIR_ASCEND</code><a class="headerlink" href="#h5py.h5t.DIR_ASCEND" title="Permalink to this definition"></a></dt>
<dd></dd></dl>

<dl class="data">
<dt id="h5py.h5t.DIR_DESCEND">
<code class="descclassname">h5py.h5t.</code><code class="descname">DIR_DESCEND</code><a class="headerlink" href="#h5py.h5t.DIR_DESCEND" title="Permalink to this definition"></a></dt>
<dd></dd></dl>

<dl class="data">
<dt id="h5py.h5t.STR_NULLTERM">
<code class="descclassname">h5py.h5t.</code><code class="descname">STR_NULLTERM</code><a class="headerlink" href="#h5py.h5t.STR_NULLTERM" title="Permalink to this definition"></a></dt>
<dd></dd></dl>

<dl class="data">
<dt id="h5py.h5t.STR_NULLPAD">
<code class="descclassname">h5py.h5t.</code><code class="descname">STR_NULLPAD</code><a class="headerlink" href="#h5py.h5t.STR_NULLPAD" title="Permalink to this definition"></a></dt>
<dd></dd></dl>

<dl class="data">
<dt id="h5py.h5t.STR_SPACEPAD">
<code class="descclassname">h5py.h5t.</code><code class="descname">STR_SPACEPAD</code><a class="headerlink" href="#h5py.h5t.STR_SPACEPAD" title="Permalink to this definition"></a></dt>
<dd></dd></dl>

<dl class="data">
<dt id="h5py.h5t.NORM_IMPLIED">
<code class="descclassname">h5py.h5t.</code><code class="descname">NORM_IMPLIED</code><a class="headerlink" href="#h5py.h5t.NORM_IMPLIED" title="Permalink to this definition"></a></dt>
<dd></dd></dl>

<dl class="data">
<dt id="h5py.h5t.NORM_MSBSET">
<code class="descclassname">h5py.h5t.</code><code class="descname">NORM_MSBSET</code><a class="headerlink" href="#h5py.h5t.NORM_MSBSET" title="Permalink to this definition"></a></dt>
<dd></dd></dl>

<dl class="data">
<dt id="h5py.h5t.NORM_NONE">
<code class="descclassname">h5py.h5t.</code><code class="descname">NORM_NONE</code><a class="headerlink" href="#h5py.h5t.NORM_NONE" title="Permalink to this definition"></a></dt>
<dd></dd></dl>

<dl class="data">
<dt id="h5py.h5t.CSET_ASCII">
<code class="descclassname">h5py.h5t.</code><code class="descname">CSET_ASCII</code><a class="headerlink" href="#h5py.h5t.CSET_ASCII" title="Permalink to this definition"></a></dt>
<dd></dd></dl>

<dl class="data">
<dt id="h5py.h5t.CSET_UTF8">
<code class="descclassname">h5py.h5t.</code><code class="descname">CSET_UTF8</code><a class="headerlink" href="#h5py.h5t.CSET_UTF8" title="Permalink to this definition"></a></dt>
<dd></dd></dl>

<dl class="data">
<dt id="h5py.h5t.PAD_ZERO">
<code class="descclassname">h5py.h5t.</code><code class="descname">PAD_ZERO</code><a class="headerlink" href="#h5py.h5t.PAD_ZERO" title="Permalink to this definition"></a></dt>
<dd></dd></dl>

<dl class="data">
<dt id="h5py.h5t.PAD_ONE">
<code class="descclassname">h5py.h5t.</code><code class="descname">PAD_ONE</code><a class="headerlink" href="#h5py.h5t.PAD_ONE" title="Permalink to this definition"></a></dt>
<dd></dd></dl>

<dl class="data">
<dt id="h5py.h5t.PAD_BACKGROUND">
<code class="descclassname">h5py.h5t.</code><code class="descname">PAD_BACKGROUND</code><a class="headerlink" href="#h5py.h5t.PAD_BACKGROUND" title="Permalink to this definition"></a></dt>
<dd></dd></dl>

<dl class="data">
<dt id="h5py.h5t.BKG_NO">
<code class="descclassname">h5py.h5t.</code><code class="descname">BKG_NO</code><a class="headerlink" href="#h5py.h5t.BKG_NO" title="Permalink to this definition"></a></dt>
<dd></dd></dl>

<dl class="data">
<dt id="h5py.h5t.BKG_TEMP">
<code class="descclassname">h5py.h5t.</code><code class="descname">BKG_TEMP</code><a class="headerlink" href="#h5py.h5t.BKG_TEMP" title="Permalink to this definition"></a></dt>
<dd></dd></dl>

<dl class="data">
<dt id="h5py.h5t.BKG_YES">
<code class="descclassname">h5py.h5t.</code><code class="descname">BKG_YES</code><a class="headerlink" href="#h5py.h5t.BKG_YES" title="Permalink to this definition"></a></dt>
<dd></dd></dl>

</div>
</div>
</div>


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  <h3><a href="index.html">Table Of Contents</a></h3>
  <ul>
<li><a class="reference internal" href="#">Module H5T</a><ul>
<li><a class="reference internal" href="#functions-specific-to-h5py">Functions specific to h5py</a></li>
<li><a class="reference internal" href="#functional-api">Functional API</a></li>
<li><a class="reference internal" href="#type-classes">Type classes</a><ul>
<li><a class="reference internal" href="#atomic-classes">Atomic classes</a></li>
<li><a class="reference internal" href="#strings">Strings</a></li>
<li><a class="reference internal" href="#compound-types">Compound Types</a></li>
<li><a class="reference internal" href="#other-types">Other types</a></li>
</ul>
</li>
<li><a class="reference internal" href="#predefined-datatypes">Predefined Datatypes</a><ul>
<li><a class="reference internal" href="#floating-point">Floating-point</a></li>
<li><a class="reference internal" href="#integer-types">Integer types</a></li>
<li><a class="reference internal" href="#reference-types">Reference types</a></li>
<li><a class="reference internal" href="#string-types">String types</a></li>
<li><a class="reference internal" href="#python-object-type">Python object type</a></li>
</ul>
</li>
<li><a class="reference internal" href="#module-constants">Module constants</a><ul>
<li><a class="reference internal" href="#datatype-class-codes">Datatype class codes</a></li>
<li><a class="reference internal" href="#api-constants">API Constants</a></li>
</ul>
</li>
</ul>
</li>
</ul>

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