Merge pull request #3167 from lonvia/explicit-encoding

[nominatim.git] / nominatim / api / logging.py

diff --git a/nominatim/api/logging.py b/nominatim/api/logging.py
index 6c8b1b388224f8a787977b15e7c2e2fce5aaab03..5b6d0e4dbbc03573b643e88cba43a871d7bd038a 100644 (file)
--- a/nominatim/api/logging.py
+++ b/nominatim/api/logging.py
@@ -7,11 +7,12 @@
 """
 Functions for specialised logging with HTML output.
 """
 """
 Functions for specialised logging with HTML output.
 """

-from typing import Any, Iterator, Optional, List, Tuple, cast
+from typing import Any, Iterator, Optional, List, Tuple, cast, Union, Mapping, Sequence

 from contextvars import ContextVar
 import datetime as dt
 import textwrap
 import io
 from contextvars import ContextVar
 import datetime as dt
 import textwrap
 import io

+import re

 
 import sqlalchemy as sa
 from sqlalchemy.ext.asyncio import AsyncConnection
 
 import sqlalchemy as sa
 from sqlalchemy.ext.asyncio import AsyncConnection


@@ -74,23 +75,41 @@ class BaseLogger:
         """
 
 
         """
 
 

-    def sql(self, conn: AsyncConnection, statement: 'sa.Executable') -> None:
+    def sql(self, conn: AsyncConnection, statement: 'sa.Executable',
+            params: Union[Mapping[str, Any], Sequence[Mapping[str, Any]], None]) -> None:

         """ Print the SQL for the given statement.
         """
 
         """ Print the SQL for the given statement.
         """
 

-    def format_sql(self, conn: AsyncConnection, statement: 'sa.Executable') -> str:
+    def format_sql(self, conn: AsyncConnection, statement: 'sa.Executable',
+                   extra_params: Union[Mapping[str, Any],
+                                 Sequence[Mapping[str, Any]], None]) -> str:

         """ Return the comiled version of the statement.
         """
         """ Return the comiled version of the statement.
         """

-        try:
-            return str(cast('sa.ClauseElement', statement)
-                         .compile(conn.sync_engine, compile_kwargs={"literal_binds": True}))
-        except sa.exc.CompileError:
-            pass
-        except NotImplementedError:
-            pass
-
-        return str(cast('sa.ClauseElement', statement).compile(conn.sync_engine))
-
+        compiled = cast('sa.ClauseElement', statement).compile(conn.sync_engine)
+
+        params = dict(compiled.params)
+        if isinstance(extra_params, Mapping):
+            for k, v in extra_params.items():
+                params[k] = str(v)
+        elif isinstance(extra_params, Sequence) and extra_params:
+            for k in extra_params[0]:
+                params[k] = f':{k}'
+
+        sqlstr = str(compiled)
+
+        if sa.__version__.startswith('1'):
+            try:
+                sqlstr = re.sub(r'__\[POSTCOMPILE_[^]]*\]', '%s', sqlstr)
+                return sqlstr % tuple((repr(params.get(name, None))
+                                      for name in compiled.positiontup)) # type: ignore
+            except TypeError:
+                return sqlstr
+
+        # Fixes an odd issue with Python 3.7 where percentages are not
+        # quoted correctly.
+        sqlstr = re.sub(r'%(?!\()', '%%', sqlstr)
+        sqlstr = re.sub(r'__\[POSTCOMPILE_([^]]*)\]', r'%(\1)s', sqlstr)
+        return sqlstr % params

 
 class HTMLLogger(BaseLogger):
     """ Logger that formats messages in HTML.
 
 class HTMLLogger(BaseLogger):
     """ Logger that formats messages in HTML.


@@ -183,9 +202,10 @@ class HTMLLogger(BaseLogger):
         self._write(f'</dl><b>TOTAL:</b> {total}</p>')
 
 
         self._write(f'</dl><b>TOTAL:</b> {total}</p>')
 
 

-    def sql(self, conn: AsyncConnection, statement: 'sa.Executable') -> None:
+    def sql(self, conn: AsyncConnection, statement: 'sa.Executable',
+            params: Union[Mapping[str, Any], Sequence[Mapping[str, Any]], None]) -> None:

         self._timestamp()
         self._timestamp()

-        sqlstr = self.format_sql(conn, statement)
+        sqlstr = self.format_sql(conn, statement, params)

         if CODE_HIGHLIGHT:
             sqlstr = highlight(sqlstr, PostgresLexer(),
                                HtmlFormatter(nowrap=True, lineseparator='<br />'))
         if CODE_HIGHLIGHT:
             sqlstr = highlight(sqlstr, PostgresLexer(),
                                HtmlFormatter(nowrap=True, lineseparator='<br />'))


@@ -276,8 +296,9 @@ class TextLogger(BaseLogger):
         self._write(f'TOTAL: {total}\n\n')
 
 
         self._write(f'TOTAL: {total}\n\n')
 
 

-    def sql(self, conn: AsyncConnection, statement: 'sa.Executable') -> None:
-        sqlstr = '\n| '.join(textwrap.wrap(self.format_sql(conn, statement), width=78))
+    def sql(self, conn: AsyncConnection, statement: 'sa.Executable',
+            params: Union[Mapping[str, Any], Sequence[Mapping[str, Any]], None]) -> None:
+        sqlstr = '\n| '.join(textwrap.wrap(self.format_sql(conn, statement, params), width=78))

         self._write(f"| {sqlstr}\n\n")
 
 
         self._write(f"| {sqlstr}\n\n")