/usr/share/apt-xapian-index/plugins/sections.py is in apt-xapian-index 0.47ubuntu8.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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import apt
import apt_pkg
HAS_APT=True
except ImportError:
HAS_APT=False
import xapian
import os, os.path
class Sections:
def info(self, **kw):
"""
Return general information about the plugin.
The information returned is a dict with various keywords:
timestamp (required)
the last modified timestamp of this data source. This will be used
to see if we need to update the database or not. A timestamp of 0
means that this data source is either missing or always up to date.
values (optional)
an array of dicts { name: name, desc: description }, one for every
numeric value indexed by this data source.
Note that this method can be called before init. The idea is that, if
the timestamp shows that this plugin is currently not needed, then the
long initialisation can just be skipped.
"""
res = dict(
timestamp=0,
prefixes=[
dict(idx="XS", qp="sec:", type="bool",
desc="Package section",
ldesc="Debian package section, max one per package"),
],
)
if kw.get("system", True):
if not HAS_APT: return res
file = apt_pkg.config.find_file("Dir::Cache::pkgcache")
if not os.path.exists(file): return res
ts = os.path.getmtime(file)
else:
file = "(stdin)"
ts = 0
res["timestamp"] = ts
res["sources"] = [dict(path=file, desc="APT index")]
return res
def init(self, info, progress):
"""
If needed, perform long initialisation tasks here.
info is a dictionary with useful information. Currently it contains
the following values:
"values": a dict mapping index mnemonics to index numbers
The progress indicator can be used to report progress.
"""
pass
def doc(self):
"""
Return documentation information for this data source.
The documentation information is a dictionary with these keys:
name: the name for this data source
shortDesc: a short description
fullDoc: the full description as a chapter in ReST format
"""
return dict(
name = "Package sections",
shortDesc = "Debian package sections",
fullDoc = """
The section is indexed literally, with the prefix XS.
"""
)
def index(self, document, pkg):
"""
Update the document with the information from this data source.
document is the document to update
pkg is the python-apt Package object for this package
"""
sec = pkg.section
if sec:
document.add_term("XS"+sec.lower())
def indexDeb822(self, document, pkg):
"""
Update the document with the information from this data source.
This is alternative to index, and it is used when indexing with package
data taken from a custom Packages file.
document is the document to update
pkg is the Deb822 object for this package
"""
sec = pkg["Section"]
if sec:
document.add_term("XS"+sec.lower())
def init(**kw):
"""
Create and return the plugin object.
"""
return Sections()
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