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<section id='package-ebuild-eapi-4-python'>
<title>EAPI 4-python</title>
<para>
Also see the <ulink url="https://people.apache.org/~Arfrever/EAPI_4-python_Specification">official EAPI 4-python Specification</ulink>.
</para>
<section id='package-ebuild-eapi-4-python-helpers'>
<title>Helpers</title>
<section id='package-ebuild-eapi-4-python-helpers-dohtml-extended-default-list-of-extensions'>
<title>Extended default list of extensions in dohtml</title>
<para>
dohtml by default additionally installs files with .ico, .svg, .xhtml and .xml extensions.
</para>
</section>
<section id='package-ebuild-eapi-4-python-helpers-banned-in-global-scope'>
<title>Helpers Banned in Global Scope</title>
<para>
<itemizedlist>
<listitem><para>diropts</para></listitem>
<listitem><para>docompress</para></listitem>
<listitem><para>exeopts</para></listitem>
<listitem><para>insopts</para></listitem>
<listitem><para>libopts</para></listitem>
<listitem><para>use</para></listitem>
<listitem><para>use_enable</para></listitem>
<listitem><para>use_with</para></listitem>
<listitem><para>useq</para></listitem>
<listitem><para>usev</para></listitem>
</itemizedlist>
</para>
</section>
</section>
<section id='package-ebuild-eapi-4-python-metadata'>
<title>Metadata</title>
<section id='package-ebuild-eapi-4-python-metadata-package-names-allow-period-characters'>
<title>Support for Period Characters in Package Names</title>
<para>
The "." character is allowed in package names.
</para>
</section>
<section id='package-ebuild-eapi-4-python-metadata-use-flags-allow-period-characters'>
<title>Support for Period Characters in USE Flags</title>
<para>
The "." character is allowed in USE flags.
</para>
</section>
<section id='package-ebuild-eapi-4-python-metadata-repository-dependencies'>
<title>Repository Dependencies</title>
<para>
Repository dependencies are supported in atoms in DEPEND, PDEPEND and RDEPEND and atoms passed to best_version and has_version functions.
Repository dependency is specified by two colons followed by repository name.
</para>
<table><title>Repository Dependency Examples</title>
<tgroup cols='1' align='left'>
<colspec colname='atom'/>
<thead>
<row>
<entry>Atom</entry>
</row>
</thead>
<tbody>
<row>
<entry>dev-lang/python::progress</entry>
</row>
<row>
<entry>>=dev-lang/python-3.2::progress</entry>
</row>
<row>
<entry>dev-lang/python:3.2::progress</entry>
</row>
<row>
<entry>dev-lang/python::progress[xml]</entry>
</row>
<row>
<entry>dev-lang/python:3.2::progress[xml]</entry>
</row>
</tbody>
</tgroup>
</table>
</section>
</section>
<section id='package-ebuild-eapi-4-python-globstar'>
<title>globstar shell option enabled by default</title>
<para>
globstar shell option is enabled by default, which enables recursive expansion of ** pattern in pathname expansion context.
</para>
</section>
<section id='package-ebuild-eapi-4-python-variables'>
<title>Variables</title>
<section id='package-ebuild-eapi-4-python-variables-repository'>
<title>REPOSITORY Variable</title>
<para>
The new REPOSITORY variable is set in ebuild environment. This variable contains name of repository, which contains currently used ebuild.
</para>
</section>
</section>
<section id='package-ebuild-eapi-4-python-repo-level-config'>
<title>Extended Repository-Level Configuration</title>
<para>
Repository-level configuration in ${repository_path}/profiles is supported for the following files:
<itemizedlist>
<listitem><para>make.defaults</para></listitem>
<listitem><para>package.use</para></listitem>
<listitem><para>package.use.force</para></listitem>
<listitem><para>package.use.mask</para></listitem>
<listitem><para>use.force</para></listitem>
<listitem><para>use.mask</para></listitem>
</itemizedlist>
</para>
</section>
<section id='package-ebuild-eapi-4-python-directories'>
<title>Directories Allowed for Profile-Level and Repository-Level Configuration</title>
<para>
The following files can be directories:
<itemizedlist>
<listitem><para>package.mask</para></listitem>
<listitem><para>package.use</para></listitem>
<listitem><para>package.use.force</para></listitem>
<listitem><para>package.use.mask</para></listitem>
<listitem><para>use.force</para></listitem>
<listitem><para>use.mask</para></listitem>
</itemizedlist>
</para>
</section>
<section id='package-ebuild-eapi-4-python-use-aliases'>
<title>USE Flag Aliases</title>
<para>
USE flag aliases are supported to allow to satisfy dependencies of packages from other repositories, which require differently named USE flags. USE flag aliases are defined in ${repository_path}/profiles/use.aliases and ${repository_path}/profiles/package.use.aliases files.
</para>
<table><title>use.aliases Example</title>
<tgroup cols='1' align='left'>
<tbody>
<row>
<entry>real_flag1 alias1 alias2</entry>
</row>
<row>
<entry>real_flag2 alias3 alias4</entry>
</row>
</tbody>
</tgroup>
</table>
<table><title>package.use.aliases Example</title>
<tgroup cols='1' align='left'>
<tbody>
<row>
<entry>category/package1 real_flag1 alias1 alias2</entry>
</row>
<row>
<entry>category/package1 real_flag2 alias3 alias4</entry>
</row>
<row>
<entry>=category/package2-1* real_flag3 alias5 alias6</entry>
</row>
<row>
<entry>=category/package2-2* real_flag4 alias5 alias6</entry>
</row>
</tbody>
</tgroup>
</table>
</section>
</section>
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