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import re
from sphinx.util.compat import Directive
from docutils import nodes
class DialectDirective(Directive):
has_content = True
_dialects = {}
def _parse_content(self):
d = {}
d['default'] = self.content[0]
d['text'] = []
idx = 0
for line in self.content[1:]:
idx += 1
m = re.match(r'\:(.+?)\: +(.+)', line)
if m:
attrname, value = m.group(1, 2)
d[attrname] = value
else:
break
d["text"] = self.content[idx + 1:]
return d
def _dbapi_node(self):
dialect_name, dbapi_name = self.dialect_name.split("+")
try:
dialect_directive = self._dialects[dialect_name]
except KeyError:
raise Exception("No .. dialect:: %s directive has been established"
% dialect_name)
output = []
content = self._parse_content()
parent_section_ref = self.state.parent.children[0]['ids'][0]
self._append_dbapi_bullet(dialect_name, dbapi_name,
content['name'], parent_section_ref)
p = nodes.paragraph('', '',
nodes.Text(
"Support for the %s database via the %s driver." % (
dialect_directive.database_name,
content['name']
),
"Support for the %s database via the %s driver." % (
dialect_directive.database_name,
content['name']
)
),
)
self.state.nested_parse(content['text'], 0, p)
output.append(p)
if "url" in content or "driverurl" in content:
sec = nodes.section(
'',
nodes.title("DBAPI", "DBAPI"),
ids=["dialect-%s-%s-url" % (dialect_name, dbapi_name)]
)
if "url" in content:
text = "Documentation and download information (if applicable) "\
"for %s is available at:\n" % content["name"]
uri = content['url']
sec.append(
nodes.paragraph('', '',
nodes.Text(text, text),
nodes.reference('', '',
nodes.Text(uri, uri),
refuri=uri,
)
)
)
if "driverurl" in content:
text = "Drivers for this database are available at:\n"
sec.append(
nodes.paragraph('', '',
nodes.Text(text, text),
nodes.reference('', '',
nodes.Text(content['driverurl'], content['driverurl']),
refuri=content['driverurl']
)
)
)
output.append(sec)
if "connectstring" in content:
sec = nodes.section(
'',
nodes.title("Connecting", "Connecting"),
nodes.paragraph('', '',
nodes.Text("Connect String:", "Connect String:"),
nodes.literal_block(content['connectstring'],
content['connectstring'])
),
ids=["dialect-%s-%s-connect" % (dialect_name, dbapi_name)]
)
output.append(sec)
return output
def _dialect_node(self):
self._dialects[self.dialect_name] = self
content = self._parse_content()
self.database_name = content['name']
self.bullets = nodes.bullet_list()
text = "The following dialect/DBAPI options are available. "\
"Please refer to individual DBAPI sections for connect information."
sec = nodes.section('',
nodes.paragraph('', '',
nodes.Text(
"Support for the %s database." % content['name'],
"Support for the %s database." % content['name']
),
),
nodes.title("DBAPI Support", "DBAPI Support"),
nodes.paragraph('', '',
nodes.Text(text, text),
self.bullets
),
ids=["dialect-%s" % self.dialect_name]
)
return [sec]
def _append_dbapi_bullet(self, dialect_name, dbapi_name, name, idname):
env = self.state.document.settings.env
dialect_directive = self._dialects[dialect_name]
try:
relative_uri = env.app.builder.get_relative_uri(dialect_directive.docname, self.docname)
except:
relative_uri = ""
list_node = nodes.list_item('',
nodes.paragraph('', '',
nodes.reference('', '',
nodes.Text(name, name),
refdocname=self.docname,
refuri= relative_uri + "#" + idname
),
#nodes.Text(" ", " "),
#nodes.reference('', '',
# nodes.Text("(connectstring)", "(connectstring)"),
# refdocname=self.docname,
# refuri=env.app.builder.get_relative_uri(
# dialect_directive.docname, self.docname) +
## "#" + ("dialect-%s-%s-connect" %
# (dialect_name, dbapi_name))
# )
)
)
dialect_directive.bullets.append(list_node)
def run(self):
env = self.state.document.settings.env
self.docname = env.docname
self.dialect_name = dialect_name = self.content[0]
has_dbapi = "+" in dialect_name
if has_dbapi:
return self._dbapi_node()
else:
return self._dialect_node()
def setup(app):
app.add_directive('dialect', DialectDirective)
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