Sophie

Sophie

distrib > Mandriva > 8.2 > i586 > by-pkgid > 331a6bf34b79ebee0665f953f5e37620 > files > 226

pyrite-0.9.3-4mdk.i586.rpm

<HTML
><HEAD
><TITLE
>Handheld Application Support</TITLE
><META
NAME="GENERATOR"
CONTENT="Modular DocBook HTML Stylesheet Version 1.42"><LINK
REL="HOME"
TITLE="Pyrite Programmers Guide"
HREF="book1.html"><LINK
REL="UP"
TITLE="Reference"
HREF="p45.html"><LINK
REL="PREVIOUS"
TITLE="Class: BaseStore"
HREF="x681.html"><LINK
REL="NEXT"
TITLE="Conduits"
HREF="c895.html"></HEAD
><BODY
BGCOLOR="#FFFFFF"
TEXT="#000000"
LINK="#0000FF"
VLINK="#840084"
ALINK="#0000FF"
><DIV
CLASS="NAVHEADER"
><TABLE
WIDTH="100%"
BORDER="0"
CELLPADDING="0"
CELLSPACING="0"
><TR
><TH
COLSPAN="3"
ALIGN="center"
>Pyrite Programmers Guide</TH
></TR
><TR
><TD
WIDTH="10%"
ALIGN="left"
VALIGN="bottom"
><A
HREF="x681.html"
>Prev</A
></TD
><TD
WIDTH="80%"
ALIGN="center"
VALIGN="bottom"
></TD
><TD
WIDTH="10%"
ALIGN="right"
VALIGN="bottom"
><A
HREF="c895.html"
>Next</A
></TD
></TR
></TABLE
><HR
ALIGN="LEFT"
WIDTH="100%"></DIV
><DIV
CLASS="CHAPTER"
><H1
><A
NAME="REF-APPS"
>Chapter 4. Handheld Application Support</A
></H1
><P
>    Support for specific handheld applications is provided by plug-ins
    in a collection called <TT
CLASS="LITERAL"
>App</TT
>.  The core code for all
    <TT
CLASS="LITERAL"
>App</TT
> plug-ins is found in the <TT
CLASS="CLASSNAME"
>Pyrite.App</TT
>
    module; the base class for <TT
CLASS="LITERAL"
>App</TT
> plug-in objects is
    <TT
CLASS="CLASSNAME"
>Pyrite.App.App</TT
>.
  </P
><DIV
CLASS="SECT1"
><H1
CLASS="SECT1"
><A
NAME="REF-APPS-APP"
>Class: App</A
></H1
><P
>      The <TT
CLASS="CLASSNAME"
>App</TT
> class is a subclass of
      <TT
CLASS="CLASSNAME"
>Pyrite.Plugin</TT
>, which is a subclass of
      <TT
CLASS="CLASSNAME"
>Sulfur.Plugin</TT
>.
    </P
><DIV
CLASS="SECT2"
><H2
CLASS="SECT2"
><A
NAME="REF-APPS-APP-ATTRIBUTES"
>Attributes</A
></H2
><P
></P
><DL
><DT
><TT
CLASS="STRUCTFIELD"
><I
>default_name</I
></TT
> (<SPAN
CLASS="TYPE"
>string</SPAN
>)</DT
><DD
><P
>The name of the database which will be used if
	      a name is not supplied to the <TT
CLASS="FUNCTION"
>open</TT
> or
	      <TT
CLASS="FUNCTION"
>create</TT
> methods.</P
></DD
><DT
><TT
CLASS="STRUCTFIELD"
><I
>default_class</I
></TT
> (<SPAN
CLASS="TYPE"
>class object</SPAN
>)</DT
><DD
><P
>The class to use when opening or creating a
	      database.  The supplied class should be a subclass of,
	      or at least exhibit the same interface as,
	      <TT
CLASS="CLASSNAME"
>Pyrite.Database</TT
>.</P
></DD
><DT
><TT
CLASS="STRUCTFIELD"
><I
>default_creator</I
></TT
> (<SPAN
CLASS="TYPE"
>string</SPAN
>)</DT
><DD
><P
>The database creator ID to use if none is supplied
	      to the <TT
CLASS="FUNCTION"
>create</TT
> method.</P
></DD
><DT
><TT
CLASS="STRUCTFIELD"
><I
>default_type</I
></TT
> (<SPAN
CLASS="TYPE"
>string</SPAN
>)</DT
><DD
><P
>The database type to use if none is supplied to the
	      <TT
CLASS="FUNCTION"
>create</TT
> method.</P
></DD
><DT
><TT
CLASS="STRUCTFIELD"
><I
>default_version</I
></TT
> (<SPAN
CLASS="TYPE"
>integer</SPAN
>)</DT
><DD
><P
>The database version to use if none is supplied to
	      the <TT
CLASS="FUNCTION"
>create</TT
> method.</P
></DD
><DT
><TT
CLASS="STRUCTFIELD"
><I
>default_flags</I
></TT
> (<SPAN
CLASS="TYPE"
>integer</SPAN
>)</DT
><DD
><P
>The database flag word to use if none is supplied to
	      the <TT
CLASS="FUNCTION"
>create</TT
> method.</P
></DD
></DL
></DIV
><DIV
CLASS="SECT2"
><H2
CLASS="SECT2"
><A
NAME="REF-APPS-APP-METHODS"
>Methods</A
></H2
><P
></P
><DL
><DT
><TT
CLASS="FUNCTION"
>classify</TT
> (<TT
CLASS="PARAMETER"
><I
>info</I
></TT
>={})</DT
><DD
><P
>Given a database header (as a dictionary, in the
	      format used by the <TT
CLASS="CLASSNAME"
>Database</TT
> class), returns
	      true if this plug-in has support for that database.</P
></DD
><DT
><TT
CLASS="FUNCTION"
>open</TT
> (<TT
CLASS="PARAMETER"
><I
>store</I
></TT
>,
	    <TT
CLASS="PARAMETER"
><I
>name</I
></TT
>=None, <TT
CLASS="PARAMETER"
><I
>mode</I
></TT
>='rws',
	    <TT
CLASS="PARAMETER"
><I
>**</I
></TT
>)</DT
><DD
><P
>Open an existing database.  The supplied
	      <TT
CLASS="PARAMETER"
><I
>store</I
></TT
> must be a "live" store object, not a
	      plug-in.  The <TT
CLASS="PARAMETER"
><I
>mode</I
></TT
> may include the
	      characters <TT
CLASS="LITERAL"
>r</TT
> for reading, <TT
CLASS="LITERAL"
>w</TT
> for
	      writing access, <TT
CLASS="LITERAL"
>s</TT
> to allow access to records
	      marked "secret", and/or <TT
CLASS="LITERAL"
>x</TT
> for exclusive
	      access.
	    </P
><DIV
CLASS="NOTE"
><BLOCKQUOTE
CLASS="NOTE"
><P
><B
>Note: </B
>Some stores may not support all combinations of
		modes.</P
></BLOCKQUOTE
></DIV
><P
>If no name is supplied, the value of the
	      <TT
CLASS="STRUCTFIELD"
><I
>default_name</I
></TT
> attribute will be
	      used.  Any extra parameters supplied to <TT
CLASS="FUNCTION"
>open</TT
>
	      will be passed along to the store's <TT
CLASS="FUNCTION"
>open</TT
>
	      method.</P
></DD
><DT
><TT
CLASS="FUNCTION"
>create</TT
> (<TT
CLASS="PARAMETER"
><I
>store</I
></TT
>,
	    <TT
CLASS="PARAMETER"
><I
>name</I
></TT
>=None, <TT
CLASS="PARAMETER"
><I
>creator</I
></TT
>=None,
	    <TT
CLASS="PARAMETER"
><I
>type</I
></TT
>=None, <TT
CLASS="PARAMETER"
><I
>flags</I
></TT
>=None,
	    <TT
CLASS="PARAMETER"
><I
>version</I
></TT
>=None, <TT
CLASS="PARAMETER"
><I
>**</I
></TT
>)</DT
><DD
><P
>Create a database in the specified store, which must
	      be a "live" store object and not a plug-in.  Any
	      parameters not supplied will be filled in with default
	      values; extra parameters, if any, will be passed along
	      to the store's <TT
CLASS="FUNCTION"
>create</TT
> method.</P
></DD
><DT
><TT
CLASS="FUNCTION"
>list</TT
> (<TT
CLASS="PARAMETER"
><I
>store</I
></TT
>)</DT
><DD
><P
>Returns a list of the names of all databases in the
	      specified store (which must be a "live" store object and
	      not a plug-in) which this plug-in is capable of
	      handling.  (The <TT
CLASS="FUNCTION"
>classify</TT
> method is used to
	      determine this.)</P
></DD
><DT
><TT
CLASS="FUNCTION"
>listinfo</TT
> (<TT
CLASS="PARAMETER"
><I
>store</I
></TT
>)</DT
><DD
><P
>Returns a list of the headers of all databases in
	      the specified store (which must be a "live" store object
	      and not a plug-in) which this plug-in is capable of
	      handling.  (The <TT
CLASS="FUNCTION"
>classify</TT
> method is used to
	      determine this.)</P
></DD
></DL
></DIV
></DIV
></DIV
><DIV
CLASS="NAVFOOTER"
><HR
ALIGN="LEFT"
WIDTH="100%"><TABLE
WIDTH="100%"
BORDER="0"
CELLPADDING="0"
CELLSPACING="0"
><TR
><TD
WIDTH="33%"
ALIGN="left"
VALIGN="top"
><A
HREF="x681.html"
>Prev</A
></TD
><TD
WIDTH="34%"
ALIGN="center"
VALIGN="top"
><A
HREF="book1.html"
>Home</A
></TD
><TD
WIDTH="33%"
ALIGN="right"
VALIGN="top"
><A
HREF="c895.html"
>Next</A
></TD
></TR
><TR
><TD
WIDTH="33%"
ALIGN="left"
VALIGN="top"
>Class: BaseStore</TD
><TD
WIDTH="34%"
ALIGN="center"
VALIGN="top"
><A
HREF="p45.html"
>Up</A
></TD
><TD
WIDTH="33%"
ALIGN="right"
VALIGN="top"
>Conduits</TD
></TR
></TABLE
></DIV
></BODY
></HTML
>