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Modernize Python exception syntax in documentation

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Change the exception syntax used in the documentation to use the more
current

    except Exception as ex:

rather than the old

    except Exception, ex:

We keep the old syntax in the test code since Python <2.6 is still
supported there, but the documentation might as well use the modern
syntax.
This commit is contained in:
Peter Eisentraut 2019-12-31 10:35:16 +01:00
parent 0ce38730ac
commit b55413d77f
1 changed files with 4 additions and 4 deletions
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8
doc/src/sgml/plpython.sgml
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@ -1227,7 +1227,7 @@ except spiexceptions.DivisionByZero:
return "denominator cannot equal zero"
except spiexceptions.UniqueViolation:
return "already have that fraction"
except plpy.SPIError, e:
except plpy.SPIError as e:
return "other error, SQLSTATE %s" % e.sqlstate
else:
return "fraction inserted"
@ -1274,7 +1274,7 @@ CREATE FUNCTION transfer_funds() RETURNS void AS $$
try:
plpy.execute("UPDATE accounts SET balance = balance - 100 WHERE account_name = 'joe'")
plpy.execute("UPDATE accounts SET balance = balance + 100 WHERE account_name = 'mary'")
except plpy.SPIError, e:
except plpy.SPIError as e:
result = "error transferring funds: %s" % e.args
else:
result = "funds transferred correctly"
@ -1306,7 +1306,7 @@ try:
with plpy.subtransaction():
plpy.execute("UPDATE accounts SET balance = balance - 100 WHERE account_name = 'joe'")
plpy.execute("UPDATE accounts SET balance = balance + 100 WHERE account_name = 'mary'")
except plpy.SPIError, e:
except plpy.SPIError as e:
result = "error transferring funds: %s" % e.args
else:
result = "funds transferred correctly"
@ -1357,7 +1357,7 @@ try:
raise
else:
subxact.exit(None, None, None)
except plpy.SPIError, e:
except plpy.SPIError as e:
result = "error transferring funds: %s" % e.args
else:
result = "funds transferred correctly"