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-<!-- $PostgreSQL: pgsql/doc/src/sgml/plpython.sgml,v 1.51 2010年07月08日 18:42:12 petere Exp $ -->
+<!-- $PostgreSQL: pgsql/doc/src/sgml/plpython.sgml,v 1.52 2010年08月05日 18:36:33 petere Exp $ -->
<chapter id="plpython">
<title>PL/Python - Python Procedural Language</title>
</para>
</sect1>
+ <sect1 id="plpython-envar">
+ <title>Environment Variables</title>
+
+ <para>
+ Some of the environment variables that are accepted by the Python
+ interpreter can also be used to affect PL/Python behavior. They
+ would need to be set in the environment of the main PostgreSQL
+ server process, for example in a start script. The available
+ environment variables depend on the version of Python; see the
+ Python documentation for details. At the time of this writing, the
+ following environment variables have an affect on PL/Python,
+ assuming an adequate Python version:
+ <itemizedlist>
+ <listitem>
+ <para><envar>PYTHONHOME</envar></para>
+ </listitem>
+
+ <listitem>
+ <para><envar>PYTHONPATH</envar></para>
+ </listitem>
+
+ <listitem>
+ <para><envar>PYTHONY2K</envar></para>
+ </listitem>
+
+ <listitem>
+ <para><envar>PYTHONOPTIMIZE</envar></para>
+ </listitem>
+
+ <listitem>
+ <para><envar>PYTHONDEBUG</envar></para>
+ </listitem>
+
+ <listitem>
+ <para><envar>PYTHONVERBOSE</envar></para>
+ </listitem>
+
+ <listitem>
+ <para><envar>PYTHONCASEOK</envar></para>
+ </listitem>
+
+ <listitem>
+ <para><envar>PYTHONDONTWRITEBYTECODE</envar></para>
+ </listitem>
+
+ <listitem>
+ <para><envar>PYTHONIOENCODING</envar></para>
+ </listitem>
+
+ <listitem>
+ <para><envar>PYTHONUSERBASE</envar></para>
+ </listitem>
+ </itemizedlist>
+
+ (It appears to be a Python implementation detail beyond the control
+ of PL/Python that some of the environment variables listed on
+ the <command>python</command> man page are only effective in a
+ command-line interpreter and not an embedded Python interpreter.)
+ </para>
+ </sect1>
</chapter>