view test/tx_Source_detector.py @ 5414:3fa026621f69

Python 3 preparation: comparisons. Python 3 no longer has the cmp function, or cmp= arguments to sorting functions / methods (key= must be used instead), and requires rich comparison methods such as __lt__ to be defined instead of using __cmp__. All of the comparison mechanisms supported in Python 3 are also supported in Python 2. This patch makes the corresponding changes in Roundup to use key functions and rich comparison methods. In the case of the JournalPassword and Permission classes, only __eq__ and __ne__ are defined as I don't see ordered comparisons as useful there (and for Permission, the old __cmp__ function didn't try to provide a valid ordering). In the case of the Date class, I kept the __cmp__ method and implemented the others in terms of it, to avoid excess repetitiveness in duplicating implementation code for all six rich comparison methods. In roundup/admin.py, help_commands_html used operator.attrgetter to produce the second argument of sorted() - which would be reasonable for a key function, but the second argument is the cmp function in Python 2, not a key function (and the key function must be a named argument not a positional argument in Python 3). That function appears to be completely unused, so I expect that code never worked. This patch adds the missing key= to that sorted() call, but it would also be reasonable to remove the unused function completely instead.
author Joseph Myers <jsm@polyomino.org.uk>
date Wed, 25 Jul 2018 00:39:37 +0000
parents 64b05e24dbd8
children 9938c40e03bc
line wrap: on
line source

#
# Example output when the web interface changes item 3 and the email
# (non pgp) interface changes item 4:
#
# tx_SourceCheckAudit(3) pre db.tx_Source: cgi
# tx_SourceCheckAudit(4) pre db.tx_Source: email
# tx_SourceCheckAudit(3) post db.tx_Source: cgi
# tx_SourceCheckAudit(4) post db.tx_Source: email
# tx_SourceCheckReact(4) pre db.tx_Source: email
# tx_SourceCheckReact(4) post db.tx_Source: email
# tx_SourceCheckReact(3) pre db.tx_Source: cgi
# tx_SourceCheckReact(3) post db.tx_Source: cgi
#
# Note that the calls are interleaved, but the proper
# tx_Source is associated with the same ticket.

from __future__ import print_function
import time as time

def tx_SourceCheckAudit(db, cl, nodeid, newvalues):
    ''' An auditor to print the value of the source of the
        transaction that trigger this change. The sleep call
        is used to delay the transaction so that multiple changes will
        overlap. The expected output from this detector are 2 lines
        with the same value for tx_Source. Tx source is:
          None - Reported when using a script or it is an error if
                 the change arrives by another method.
          "cli" - reported when using roundup-admin
          "web" - reported when using any web based technique
          "email" - reported when using an unautheticated email based technique
          "email-sig-openpgp" - reported when email with a valid pgp
                                signature is used
    '''
    if __debug__ and False:
        print("\n  tx_SourceCheckAudit(%s) db.tx_Source: %s"%(nodeid, db.tx_Source))

    newvalues['tx_Source'] = db.tx_Source

    # example use for real to prevent a change from happening if it's
    # submited via email
    #
    # if db.tx_Source == "email":
    #    raise Reject, 'Change not allowed via email'

def tx_SourceCheckReact(db, cl, nodeid, oldvalues):
    ''' An reactor to print the value of the source of the
        transaction that trigger this change. The sleep call
        is used to delay the transaction so that multiple changes will
        overlap. The expected output from this detector are 2 lines
        with the same value for tx_Source. Tx source is:
          None - Reported when using a script or it is an error if
                 the change arrives by another method.
          "cli" - reported when using roundup-admin
          "web" - reported when using any web based technique
          "email" - reported when using an unautheticated email based technique
          "email-sig-openpgp" - reported when email with a valid pgp
                                signature is used
    '''

    if __debug__ and False:
        print("  tx_SourceCheckReact(%s) db.tx_Source: %s"%(nodeid, db.tx_Source))



def init(db):
    db.issue.audit('create', tx_SourceCheckAudit)
    db.issue.audit('set', tx_SourceCheckAudit)

    db.issue.react('set', tx_SourceCheckReact)
    db.issue.react('create', tx_SourceCheckReact)

    db.msg.audit('create', tx_SourceCheckAudit)

Roundup Issue Tracker: http://roundup-tracker.org/