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Viewing changes to branchhistory.py

  • Committer: Aaron Bentley
  • Date: 2005-11-10 20:15:27 UTC
  • Revision ID: aaron.bentley@utoronto.ca-20051110201527-8caa84ae529a1871
Added Daniel Silverstone to credits

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Lines of Context:
branchhistory.py
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from bzrlib import errors
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from bzrlib.branch import Branch
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from bzrlib.config import extract_email_address
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from bzrtools import short_committer
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def branch_history(branch):
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    """Print history of a branch"""
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    b = Branch.open_containing(branch)[0]
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    descriptor = None
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    start = None
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    b.repository.lock_read()
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    try:
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        for revno, revision in iter_revisiondata(b):
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            new_descriptor = (revision.committer,
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                              revision.properties.get('branch-nick'))
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            if descriptor is None:
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                descriptor = new_descriptor
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            if start is None:
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                start = revno
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            if branch_change(descriptor, new_descriptor):
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                print_info(descriptor, start, revno - 1)
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                start = revno
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            descriptor = new_descriptor
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        print_info(descriptor, start, revno)
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    finally:
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        b.repository.unlock()
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def branch_change(old_descriptor, new_descriptor):
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    try:
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        old_email = extract_email_address(old_descriptor[0])
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    except errors.NoEmailInUsername:
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        old_email = None
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    try:
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        new_email = extract_email_address(new_descriptor[0])
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    except errors.NoEmailInUsername:
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        new_email = None
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    if old_descriptor == new_descriptor:
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        return False
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    elif None not in (old_descriptor[1], new_descriptor[1]) and \
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        old_descriptor[1] != new_descriptor[1]:
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        return True
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    elif short_committer(old_descriptor[0]) ==\
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        short_committer(new_descriptor[0]):
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        return False
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    elif old_descriptor[0].strip(' ') == new_email:
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        return False
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    elif new_descriptor[0].strip(' ') == old_email:
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        return False
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    else:
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        return True
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def iter_revisiondata(branch):
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    """Iterate through revno, Revision pairs in the revision history"""
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    for no, revision_id in enumerate(branch.revision_history()):
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        yield no+1, branch.repository.get_revision(revision_id)
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def print_info(descriptor, start, end):
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    """Print revision history"""
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    descriptor_string = descriptor[0]
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    if descriptor[1] is not None:
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        descriptor_string += " / "+ descriptor[1]
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    print descriptor_string
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    if start != end:
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        print "  %d .. %d" % (start, end)
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    else:
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        print "  %d" % start