/usr/share/pyshared/DITrack/Common.py is in ditrack 0.8-1.2.
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# Common.py - DITrack common functions
#
# Copyright (c) 2006-2007 The DITrack Project, www.ditrack.org.
#
# $Id: Common.py 1913 2007-08-17 20:14:53Z vss $
# $HeadURL: https://svn.xiolabs.com/ditrack/src/tags/0.8/DITrack/Common.py $
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are met:
#
# * Redistributions of source code must retain the above copyright notice,
# this list of conditions and the following disclaimer.
# * Redistributions in binary form must reproduce the above copyright notice,
# this list of conditions and the following disclaimer in the documentation
# and/or other materials provided with the distribution.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
# ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
# LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
# POSSIBILITY OF SUCH DAMAGE.
#
import string
import re
import urllib
attachment_id_re = re.compile(r"^{[-_.%a-zA-Z0-9 ]+}$")
class Identifier:
"""
Class representing an identifier (issue, comment or attachment).
The following members are available:
comment
Available only if has_comment_part() returns True. An object of
CommentIdentifier type which contains the comment component of the
identifier.
issue
An object of IssueIdentifier containing the issue part of the
identifier.
"""
def __init__(self, str):
"""
Parses out the identifier STR. Raises ValueError if the parsing fails.
"""
s = str.strip().split(".")
# Attachment names can have '.' inside
s = [s[0].upper(), ".".join(s[1:])]
if len(s) == 0:
raise ValueError, "Blank identifier passed"
elif len(s) == 1:
self.issue = IssueIdentifier(s[0])
elif len(s) == 2:
self.issue = IssueIdentifier(s[0])
if s[1]:
if s[1][0] == "{":
self.attachment = AttachmentIdentifier(self.issue, s[1])
else:
self.comment = CommentIdentifier(self.issue, s[1])
else:
raise ValueError, "Can't parse out the identifier"
def has_comment_part(self):
"""
Returns True if the identifier has a comment component.
"""
return "comment" in self.__dict__
def is_attachment_id(self):
"""
Returns true if it is an attachment identifier.
"""
return "attachment" in self.__dict__
class AttachmentIdentifier(Identifier):
def __init__(self, issue_id, str):
s = str.strip()
if attachment_id_re.match(s):
self.fname = urllib.unquote(s[1:-1])
else:
raise ValueError, "Invalid attachment identifier"
class CommentIdentifier(Identifier):
def __init__(self, issue_id, str):
s = str.strip().upper()
if not s:
raise ValueError, "Blank string passed as a comment identifier"
if s[0] in string.digits:
if not issue_id.is_numeric:
# Case of 'A.1': we cannot have committed comment to
# uncommitted issue.
raise ValueError, \
"Numeric comment identifier of a non-numeric issue " \
"identifier"
if not s.isdigit():
raise ValueError, "Expected numeric comment identifier"
else:
# Name
if not (s.isalpha() and s.isupper()):
raise ValueError, "Expected alphabetic comment identifier"
self.id = s
class IssueIdentifier(Identifier):
def __init__(self, str):
s = str.strip().upper()
if not s:
raise ValueError, "Empty string is not a valid issue id"
self.is_numeric = False
if s[0] in string.digits:
# Numeric id
if not s.isdigit():
raise ValueError, "Issue identifier is mixed alphanumeric"
if int(s) == 0:
raise ValueError, "0 is not a valid issue number"
self.id = s
self.is_numeric = True
else:
# Name
if not (s.isupper() and s.isalpha()):
raise ValueError, "Expected alphabetic issue identifier"
self.id = s
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