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port database setup function to python

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Hide the former PHP functions in a transition command until
they are removed.
This commit is contained in:
Sarah Hoffmann
2021-02-23 22:50:23 +01:00
parent b93ec2522e
commit f6e894a53a
18 changed files with 357 additions and 116 deletions
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20
nominatim/db/connection.py
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@@ -81,9 +81,21 @@ class _Connection(psycopg2.extensions.connection):
"""
version = self.server_version
if version < 100000:
return (version / 10000, (version % 10000) / 100)
return (int(version / 10000), (version % 10000) / 100)
return (int(version / 10000), version % 10000)
def postgis_version_tuple(self):
""" Return the postgis version installed in the database as a
tuple of (major, minor). Assumes that the PostGIS extension
has been installed already.
"""
with self.cursor() as cur:
version = cur.scalar('SELECT postgis_lib_version()')
return tuple((int(x) for x in version.split('.')[:2]))
return (version / 10000, version % 10000)
def connect(dsn):
""" Open a connection to the database using the specialised connection
@@ -123,7 +135,7 @@ _PG_CONNECTION_STRINGS = {
'sslcrl': 'PGSSLCRL',
'requirepeer': 'PGREQUIREPEER',
'ssl_min_protocol_version': 'PGSSLMINPROTOCOLVERSION',
'ssl_min_protocol_version': 'PGSSLMAXPROTOCOLVERSION',
'ssl_max_protocol_version': 'PGSSLMAXPROTOCOLVERSION',
'gssencmode': 'PGGSSENCMODE',
'krbsrvname': 'PGKRBSRVNAME',
'gsslib': 'PGGSSLIB',
@@ -138,7 +150,7 @@ def get_pg_env(dsn, base_env=None):
If `base_env` is None, then the OS environment is used as a base
environment.
"""
env = base_env if base_env is not None else os.environ
env = dict(base_env if base_env is not None else os.environ)
for param, value in psycopg2.extensions.parse_dsn(dsn).items():
if param in _PG_CONNECTION_STRINGS: