comparison mercurial/graphmod.py @ 43077:687b865b95ad

formatting: byteify all mercurial/ and hgext/ string literals

Done with

    python3.7 contrib/byteify-strings.py -i $(hg files 'set:mercurial/**.py - mercurial/thirdparty/** + hgext/**.py - hgext/fsmonitor/pywatchman/** - mercurial/__init__.py')
    black -l 80 -t py33 -S $(hg files 'set:**.py - mercurial/thirdparty/** - "contrib/python-zstandard/**" - hgext/fsmonitor/pywatchman/**')

# skip-blame mass-reformatting only

Differential Revision: https://phab.mercurial-scm.org/D6972

43076:2372284d9457

    pycompat,
    smartset,
    util,
)

CHANGESET = 'C'
PARENT = 'P'
GRANDPARENT = 'G'
MISSINGPARENT = 'M'
# Style of line to draw. None signals a line that ends and is removed at this
# point. A number prefix means only the last N characters of the current block
# will use that style, the rest will use the PARENT style. Add a - sign
# (so making N negative) and all but the first N characters use that style.
EDGES = {PARENT: '|', GRANDPARENT: ':', MISSINGPARENT: None}


def dagwalker(repo, revs):
    """cset DAG generator yielding (id, CHANGESET, ctx, [parentinfo]) tuples

    seen = []
    colors = {}
    newcolor = 1
    config = {}

    for key, val in repo.ui.configitems('graph'):
        if '.' in key:
            branch, setting = key.rsplit('.', 1)
            # Validation
            if setting == "width" and val.isdigit():
                config.setdefault(branch, {})[setting] = int(val)
            elif setting == "color" and val.isalnum():
                config.setdefault(branch, {})[setting] = val

    if config:
        getconf = util.lrucachefunc(
            lambda rev: config.get(repo[rev].branch(), {})

                edges.append(
                    (
                        ecol,
                        next.index(eid),
                        colors[eid],
                        bconf.get('width', -1),
                        bconf.get('color', ''),
                    )
                )
            elif eid == cur:
                for ptype, p in parents:
                    bconf = getconf(p)
                    edges.append(
                        (
                            ecol,
                            next.index(p),
                            color,
                            bconf.get('width', -1),
                            bconf.get('color', ''),
                        )
                    )

        # Yield and move on
        yield (cur, type, data, (col, color), edges)
        seen = next


def asciiedges(type, char, state, rev, parents):
    """adds edge info to changelog DAG walk suitable for ascii()"""
    seen = state['seen']
    if rev not in seen:
        seen.append(rev)
    nodeidx = seen.index(rev)

    knownparents = []

            continue
        if parent in seen:
            knownparents.append(parent)
        else:
            newparents.append(parent)
            state['edges'][parent] = state['styles'].get(ptype, '|')

    ncols = len(seen)
    width = 1 + ncols * 2
    nextseen = seen[:]
    nextseen[nodeidx : nodeidx + 1] = newparents

        edges.append((nodeidx, nodeidx))
        edges.append((nodeidx, nodeidx + 1))
        nmorecols = 1
        width += 2
        yield (type, char, width, (nodeidx, edges, ncols, nmorecols))
        char = '\\'
        nodeidx += 1
        ncols += 1
        edges = []
        del newparents[0]

        edges.append((nodeidx, nodeidx + 1))
    nmorecols = len(nextseen) - ncols
    if nmorecols > 0:
        width += 2
    # remove current node from edge characters, no longer needed
    state['edges'].pop(rev, None)
    yield (type, char, width, (nodeidx, edges, ncols, nmorecols))


def _fixlongrightedges(edges):
    for (i, (start, end)) in enumerate(edges):

    if fix_tail and coldiff == pdiff and coldiff != 0:
        # Still going in the same non-vertical direction.
        if coldiff == -1:
            start = max(idx + 1, pidx)
            tail = echars[idx * 2 : (start - 1) * 2]
            tail.extend(["/", " "] * (ncols - start))
            return tail
        else:
            return ["\\", " "] * (ncols - idx - 1)
    else:
        remainder = ncols - idx - 1
        return echars[-(remainder * 2) :] if remainder > 0 else []


def _drawedges(echars, edges, nodeline, interline):
    for (start, end) in edges:
        if start == end + 1:
            interline[2 * end + 1] = "/"
        elif start == end - 1:
            interline[2 * start + 1] = "\\"
        elif start == end:
            interline[2 * start] = echars[2 * start]
        else:
            if 2 * end >= len(nodeline):
                continue
            nodeline[2 * end] = "+"
            if start > end:
                (start, end) = (end, start)
            for i in range(2 * start + 1, 2 * end):
                if nodeline[i] != "+":
                    nodeline[i] = "-"


def _getpaddingline(echars, idx, ncols, edges):
    # all edges up to the current node
    line = echars[: idx * 2]

        # | | X |           | X | |
        # | |/ /            | |/ /
        # | | |             | | |
        line.extend(echars[idx * 2 : (idx + 1) * 2])
    else:
        line.extend([' ', ' '])
    # all edges to the right of the current node
    remainder = ncols - idx - 1
    if remainder > 0:
        line.extend(echars[-(remainder * 2) :])
    return line

    # We need enough space to draw adjustment lines for these.
    edgechars = extra[::2]
    while edgechars and edgechars[-1] is None:
        edgechars.pop()
    shift_size = max((edgechars.count(None) * 2) - 1, 0)
    minlines = 3 if not state['graphshorten'] else 2
    while len(lines) < minlines + shift_size:
        lines.append(extra[:])

    if shift_size:
        empties = []

            else:
                toshift.append(i * 2)
        targets = list(range(first_empty, first_empty + len(toshift) * 2, 2))
        positions = toshift[:]
        for line in lines[-shift_size:]:
            line[first_empty:] = [' '] * (len(line) - first_empty)
            for i in range(len(positions)):
                pos = positions[i] - 1
                positions[i] = max(pos, targets[i])
                line[pos] = '/' if pos > targets[i] else extra[toshift[i]]

    map = {1: '|', 2: '~'} if not state['graphshorten'] else {1: '~'}
    for i, line in enumerate(lines):
        if None not in line:
            continue
        line[:] = [c or map.get(i, ' ') for c in line]

    # remove edges that ended
    remove = [p for p, c in edgemap.items() if c is None]
    for parent in remove:
        del edgemap[parent]

def asciistate():
    """returns the initial value for the "state" argument to ascii()"""
    return {
        'seen': [],
        'edges': {},
        'lastcoldiff': 0,
        'lastindex': 0,
        'styles': EDGES.copy(),
        'graphshorten': False,
    }


def outputgraph(ui, graph):
    """outputs an ASCII graph of a DAG

    this function can be monkey-patched by extensions to alter graph display
    without needing to mimic all of the edge-fixup logic in ascii()
    """
    for (ln, logstr) in graph:
        ui.write((ln + logstr).rstrip() + "\n")


def ascii(ui, state, type, char, text, coldata):
    """prints an ASCII graph of the DAG

        0 means no columns added or removed; 1 means one column added.
    """
    idx, edges, ncols, coldiff = coldata
    assert -2 < coldiff < 2

    edgemap, seen = state['edges'], state['seen']
    # Be tolerant of history issues; make sure we have at least ncols + coldiff
    # elements to work with. See test-glog.t for broken history test cases.
    echars = [c for p in seen for c in (edgemap.get(p, '|'), ' ')]
    echars.extend(('|', ' ') * max(ncols + coldiff - len(seen), 0))

    if coldiff == -1:
        # Transform
        #
        #     | | |        | | |

    #     o | |            o | |
    fix_nodeline_tail = len(text) <= 2 and not add_padding_line

    # nodeline is the line containing the node character (typically o)
    nodeline = echars[: idx * 2]
    nodeline.extend([char, " "])

    nodeline.extend(
        _getnodelineedgestail(
            echars,
            idx,
            state['lastindex'],
            ncols,
            coldiff,
            state['lastcoldiff'],
            fix_nodeline_tail,
        )
    )

    # shift_interline is the line containing the non-vertical
    # edges between this entry and the next
    shift_interline = echars[: idx * 2]
    for i in pycompat.xrange(2 + coldiff):
        shift_interline.append(' ')
    count = ncols - idx - 1
    if coldiff == -1:
        for i in pycompat.xrange(count):
            shift_interline.extend(['/', ' '])
    elif coldiff == 0:
        shift_interline.extend(echars[(idx + 1) * 2 : ncols * 2])
    else:
        for i in pycompat.xrange(count):
            shift_interline.extend(['\\', ' '])

    # draw edges from the current node to its parents
    _drawedges(echars, edges, nodeline, shift_interline)

    # lines is the list of all graph lines to print

    if add_padding_line:
        lines.append(_getpaddingline(echars, idx, ncols, edges))

    # If 'graphshorten' config, only draw shift_interline
    # when there is any non vertical flow in graph.
    if state['graphshorten']:
        if any(c in br'\/' for c in shift_interline if c):
            lines.append(shift_interline)
    # Else, no 'graphshorten' config so draw shift_interline.
    else:
        lines.append(shift_interline)

            lines.append(extra_interline[:])

    _drawendinglines(lines, extra_interline, edgemap, seen, state)

    while len(text) < len(lines):
        text.append("")

    # print lines
    indentation_level = max(ncols, ncols + coldiff)
    lines = ["%-*s " % (2 * indentation_level, "".join(line)) for line in lines]
    outputgraph(ui, zip(lines, text))

    # ... and start over
    state['lastcoldiff'] = coldiff
    state['lastindex'] = idx

43077:687b865b95ad

    pycompat,
    smartset,
    util,
)

CHANGESET = b'C'
PARENT = b'P'
GRANDPARENT = b'G'
MISSINGPARENT = b'M'
# Style of line to draw. None signals a line that ends and is removed at this
# point. A number prefix means only the last N characters of the current block
# will use that style, the rest will use the PARENT style. Add a - sign
# (so making N negative) and all but the first N characters use that style.
EDGES = {PARENT: b'|', GRANDPARENT: b':', MISSINGPARENT: None}


def dagwalker(repo, revs):
    """cset DAG generator yielding (id, CHANGESET, ctx, [parentinfo]) tuples

    seen = []
    colors = {}
    newcolor = 1
    config = {}

    for key, val in repo.ui.configitems(b'graph'):
        if b'.' in key:
            branch, setting = key.rsplit(b'.', 1)
            # Validation
            if setting == b"width" and val.isdigit():
                config.setdefault(branch, {})[setting] = int(val)
            elif setting == b"color" and val.isalnum():
                config.setdefault(branch, {})[setting] = val

    if config:
        getconf = util.lrucachefunc(
            lambda rev: config.get(repo[rev].branch(), {})

                edges.append(
                    (
                        ecol,
                        next.index(eid),
                        colors[eid],
                        bconf.get(b'width', -1),
                        bconf.get(b'color', b''),
                    )
                )
            elif eid == cur:
                for ptype, p in parents:
                    bconf = getconf(p)
                    edges.append(
                        (
                            ecol,
                            next.index(p),
                            color,
                            bconf.get(b'width', -1),
                            bconf.get(b'color', b''),
                        )
                    )

        # Yield and move on
        yield (cur, type, data, (col, color), edges)
        seen = next


def asciiedges(type, char, state, rev, parents):
    """adds edge info to changelog DAG walk suitable for ascii()"""
    seen = state[b'seen']
    if rev not in seen:
        seen.append(rev)
    nodeidx = seen.index(rev)

    knownparents = []

            continue
        if parent in seen:
            knownparents.append(parent)
        else:
            newparents.append(parent)
            state[b'edges'][parent] = state[b'styles'].get(ptype, b'|')

    ncols = len(seen)
    width = 1 + ncols * 2
    nextseen = seen[:]
    nextseen[nodeidx : nodeidx + 1] = newparents

        edges.append((nodeidx, nodeidx))
        edges.append((nodeidx, nodeidx + 1))
        nmorecols = 1
        width += 2
        yield (type, char, width, (nodeidx, edges, ncols, nmorecols))
        char = b'\\'
        nodeidx += 1
        ncols += 1
        edges = []
        del newparents[0]

        edges.append((nodeidx, nodeidx + 1))
    nmorecols = len(nextseen) - ncols
    if nmorecols > 0:
        width += 2
    # remove current node from edge characters, no longer needed
    state[b'edges'].pop(rev, None)
    yield (type, char, width, (nodeidx, edges, ncols, nmorecols))


def _fixlongrightedges(edges):
    for (i, (start, end)) in enumerate(edges):

    if fix_tail and coldiff == pdiff and coldiff != 0:
        # Still going in the same non-vertical direction.
        if coldiff == -1:
            start = max(idx + 1, pidx)
            tail = echars[idx * 2 : (start - 1) * 2]
            tail.extend([b"/", b" "] * (ncols - start))
            return tail
        else:
            return [b"\\", b" "] * (ncols - idx - 1)
    else:
        remainder = ncols - idx - 1
        return echars[-(remainder * 2) :] if remainder > 0 else []


def _drawedges(echars, edges, nodeline, interline):
    for (start, end) in edges:
        if start == end + 1:
            interline[2 * end + 1] = b"/"
        elif start == end - 1:
            interline[2 * start + 1] = b"\\"
        elif start == end:
            interline[2 * start] = echars[2 * start]
        else:
            if 2 * end >= len(nodeline):
                continue
            nodeline[2 * end] = b"+"
            if start > end:
                (start, end) = (end, start)
            for i in range(2 * start + 1, 2 * end):
                if nodeline[i] != b"+":
                    nodeline[i] = b"-"


def _getpaddingline(echars, idx, ncols, edges):
    # all edges up to the current node
    line = echars[: idx * 2]

        # | | X |           | X | |
        # | |/ /            | |/ /
        # | | |             | | |
        line.extend(echars[idx * 2 : (idx + 1) * 2])
    else:
        line.extend([b' ', b' '])
    # all edges to the right of the current node
    remainder = ncols - idx - 1
    if remainder > 0:
        line.extend(echars[-(remainder * 2) :])
    return line

    # We need enough space to draw adjustment lines for these.
    edgechars = extra[::2]
    while edgechars and edgechars[-1] is None:
        edgechars.pop()
    shift_size = max((edgechars.count(None) * 2) - 1, 0)
    minlines = 3 if not state[b'graphshorten'] else 2
    while len(lines) < minlines + shift_size:
        lines.append(extra[:])

    if shift_size:
        empties = []

            else:
                toshift.append(i * 2)
        targets = list(range(first_empty, first_empty + len(toshift) * 2, 2))
        positions = toshift[:]
        for line in lines[-shift_size:]:
            line[first_empty:] = [b' '] * (len(line) - first_empty)
            for i in range(len(positions)):
                pos = positions[i] - 1
                positions[i] = max(pos, targets[i])
                line[pos] = b'/' if pos > targets[i] else extra[toshift[i]]

    map = {1: b'|', 2: b'~'} if not state[b'graphshorten'] else {1: b'~'}
    for i, line in enumerate(lines):
        if None not in line:
            continue
        line[:] = [c or map.get(i, b' ') for c in line]

    # remove edges that ended
    remove = [p for p, c in edgemap.items() if c is None]
    for parent in remove:
        del edgemap[parent]

def asciistate():
    """returns the initial value for the "state" argument to ascii()"""
    return {
        b'seen': [],
        b'edges': {},
        b'lastcoldiff': 0,
        b'lastindex': 0,
        b'styles': EDGES.copy(),
        b'graphshorten': False,
    }


def outputgraph(ui, graph):
    """outputs an ASCII graph of a DAG

    this function can be monkey-patched by extensions to alter graph display
    without needing to mimic all of the edge-fixup logic in ascii()
    """
    for (ln, logstr) in graph:
        ui.write((ln + logstr).rstrip() + b"\n")


def ascii(ui, state, type, char, text, coldata):
    """prints an ASCII graph of the DAG

        0 means no columns added or removed; 1 means one column added.
    """
    idx, edges, ncols, coldiff = coldata
    assert -2 < coldiff < 2

    edgemap, seen = state[b'edges'], state[b'seen']
    # Be tolerant of history issues; make sure we have at least ncols + coldiff
    # elements to work with. See test-glog.t for broken history test cases.
    echars = [c for p in seen for c in (edgemap.get(p, b'|'), b' ')]
    echars.extend((b'|', b' ') * max(ncols + coldiff - len(seen), 0))

    if coldiff == -1:
        # Transform
        #
        #     | | |        | | |

    #     o | |            o | |
    fix_nodeline_tail = len(text) <= 2 and not add_padding_line

    # nodeline is the line containing the node character (typically o)
    nodeline = echars[: idx * 2]
    nodeline.extend([char, b" "])

    nodeline.extend(
        _getnodelineedgestail(
            echars,
            idx,
            state[b'lastindex'],
            ncols,
            coldiff,
            state[b'lastcoldiff'],
            fix_nodeline_tail,
        )
    )

    # shift_interline is the line containing the non-vertical
    # edges between this entry and the next
    shift_interline = echars[: idx * 2]
    for i in pycompat.xrange(2 + coldiff):
        shift_interline.append(b' ')
    count = ncols - idx - 1
    if coldiff == -1:
        for i in pycompat.xrange(count):
            shift_interline.extend([b'/', b' '])
    elif coldiff == 0:
        shift_interline.extend(echars[(idx + 1) * 2 : ncols * 2])
    else:
        for i in pycompat.xrange(count):
            shift_interline.extend([b'\\', b' '])

    # draw edges from the current node to its parents
    _drawedges(echars, edges, nodeline, shift_interline)

    # lines is the list of all graph lines to print

    if add_padding_line:
        lines.append(_getpaddingline(echars, idx, ncols, edges))

    # If 'graphshorten' config, only draw shift_interline
    # when there is any non vertical flow in graph.
    if state[b'graphshorten']:
        if any(c in br'\/' for c in shift_interline if c):
            lines.append(shift_interline)
    # Else, no 'graphshorten' config so draw shift_interline.
    else:
        lines.append(shift_interline)

            lines.append(extra_interline[:])

    _drawendinglines(lines, extra_interline, edgemap, seen, state)

    while len(text) < len(lines):
        text.append(b"")

    # print lines
    indentation_level = max(ncols, ncols + coldiff)
    lines = [
        b"%-*s " % (2 * indentation_level, b"".join(line)) for line in lines
    ]
    outputgraph(ui, zip(lines, text))

    # ... and start over
    state[b'lastcoldiff'] = coldiff
    state[b'lastindex'] = idx