def main():
camera = tde4.getCurrentCamera()
point_group = tde4.getCurrentPGroup()
if camera is None or point_group is None:
msg = 'There is no current Point Group or Camera.'
tde4.postQuestionRequester(TITLE, msg, 'Ok')
return
# check if context menu has been used, and retrieve point...
point = tde4.getContextMenuObject()
if point is not None:
# retrieve point's parent pgroup (not necessarily being the current one!)...
point_group = tde4.getContextMenuParentObject()
points = tde4.getPointList(point_group, 1)
else:
# otherwise use regular selection...
points = tde4.getPointList(point_group, 1)
if len(points) == 0:
msg = 'There are no selected points.'
tde4.postQuestionRequester(TITLE, msg, 'Ok')
return
# widget default values
start_frame = 1
# Backwards compatibility with 3DE4 Release 2.
if uvtrack_format.SUPPORT_CAMERA_FRAME_OFFSET is True:
start_frame = tde4.getCameraFrameOffset(camera)
pattern = '*' + EXT
# GUI
req = tde4.createCustomRequester()
tde4.addFileWidget(req, 'file_browser_widget', 'Filename...', pattern)
tde4.addTextFieldWidget(req, 'start_frame_widget', 'Start Frame', str(start_frame))
ret = tde4.postCustomRequester(req, TITLE, 500, 0, 'Ok', 'Cancel')
if ret == 1:
# Query GUI Widgets
path = tde4.getWidgetValue(req, 'file_browser_widget')
start_frame = tde4.getWidgetValue(req, 'start_frame_widget')
start_frame = int(start_frame)
# Generate file contents
data_str = uvtrack_format.generate(
point_group, camera, points,
start_frame=start_frame,
fmt=uvtrack_format.UV_TRACK_FORMAT_VERSION_PREFERRED,
)
# Write file.
if path.find(EXT, len(path)-3) == -1:
# Ensure the file path ends with the extension, if not add it.
path += EXT
f = open(path, 'w')
if f.closed:
msg = "Error, couldn't open file.\n"
msg += repr(path)
tde4.postQuestionRequester(TITLE, msg, 'Ok')
return
f.write(data_str)
f.close()
return
def _build_gui(file_path):
"""
Build the widgets at the top of the window.
:param file_path: The initial file path to parse.
:type file_path: basestring or None
:returns: 3DEqualizer UI request id.
"""
# Get the clipboard value and test if it's a valid .mmcamera file,
# if so use it as the default. If not, use the current 3DE file
# path as a directory to search.
cwd_path = os.getcwd()
proj_path = tde4.getProjectPath()
if SUPPORT_CLIPBOARD is True:
file_path = tde4.getClipboardString()
file_data = None
if file_path:
file_data = _parse_data(file_path)
has_vaild_data = _file_data_has_valid_data(file_data)
if has_vaild_data is not True:
file_path = proj_path or cwd_path
window_requester = tde4.createCustomRequester()
file_pattern = '*' + EXT
tde4.addFileWidget(
window_requester,
FILE_BROWSER_WIDGET,
FILE_BROWSER_LABEL,
file_pattern,
file_path,
)
tde4.setWidgetCallbackFunction(
window_requester,
FILE_BROWSER_WIDGET,
'_build_widgets'
)
pgroup_id, cam_id, lens_id = _query_selection_state()
has_vaild_data = _file_data_has_valid_data(file_data)
if has_vaild_data is not True or not pgroup_id or not cam_id or not lens_id:
_build_widgets(window_requester, FILE_BROWSER_WIDGET, 0)
else:
_build_widgets_with_data(window_requester, pgroup_id, cam_id, lens_id, file_data)
return window_requester
def buildUI():
# calculate Output file
# we will get the path of the first camera - changed
# to path to file .3DE wo extension
'''
firstCam = tde4.getIndexCamera(0)
firstCamPath = tde4.getCameraPath(firstCam).replace('\\', '/')
'''
if tde4.getProjectPath() == None:
print "Can't get the Project Path"
outputFile = "Can't get the Project Path"
else:
# the same as the file 3DE wo the extension (asume in the 4 last chars)
outputFile = tde4.getProjectPath().replace('/', '\\')[:-4]
# open requester...
req = tde4.createCustomRequester()
tde4.addFileWidget(req, "file_browser", "Browse...", "*", outputFile)
# tde4.addTextFieldWidget(req, "filePath", "Optuput file", outputFile)
labels = nukeVersions.keys()
labels.sort()
labels.reverse()
print labels
#tde4.addOptionMenuWidget(req, "nukeVersion", "Nuke Version", *labels)
#tde4.addToggleWidget(req, "openNuke", "Open nuke after Export", 0)
# To Export
tde4.addSeparatorWidget(req, "sep2")
# export all cameras
tde4.addToggleWidget(req, "exportAllCameras", "Export all Cameras", 1)
tde4.setWidgetCallbackFunction(req, "exportAllCameras",
"callBackExportAll")
tde4.addSeparatorWidget(req, "sepAllCameras")
# cameras to select
for cameraIndex in range(tde4.getNoCameras()):
cameraTmp = tde4.getIndexCamera(cameraIndex)
if not tools.validCamera(cameraTmp):
buildUINotSupported(req, cameraIndex, cameraTmp)
else:
buildUICamera(req, cameraIndex, cameraTmp)
return req
try: # camera and lens id_cam = tde4.getCurrentCamera() id_lens = tde4.getCameraLens(id_cam) # check if variable 'nuke_path' exists already or is of type None try: nuke_path except: nuke_path = '' if nuke_path is None: nuke_path = '' # File widget nuke_node_req = tde4.createCustomRequester() tde4.addFileWidget(nuke_node_req,'file_nuke_path', 'Filename: ', '*.nk', nuke_path) # Get smart start value for initial frame option menu. try: initial_frame_3de4 = tde4.getCameraFrameOffset(id_cam) except: initial_frame_3de4 = 1 if initial_frame_3de4 == 1: # Mimicking Nuke's Read Node default behaviour. value_option_menu_default_initial_frame = 1 else: # Using 3DE4 initial frame value_option_menu_default_initial_frame = 2 try: tde4.setWidgetCallbackFunction
try: # camera and lens id_cam = tde4.getCurrentCamera() id_lens = tde4.getCameraLens(id_cam) # check if variable 'nuke_path' exists already or is of type None try: nuke_path except: nuke_path = '' if nuke_path is None: nuke_path = '' # File widget nuke_node_req = tde4.createCustomRequester() tde4.addFileWidget(nuke_node_req,'file_nuke_path', 'Filename: ', '*.nk', nuke_path) # Get smart start value for initial frame option menu. try: initial_frame_3de4 = tde4.getCameraFrameOffset(id_cam) except: initial_frame_3de4 = 1 if initial_frame_3de4 == 1: # Mimicking Nuke's Read Node default behaviour. value_option_menu_default_initial_frame = 1 else: # Using 3DE4 initial frame value_option_menu_default_initial_frame = 2 try: tde4.setWidgetCallbackFunction
pgl = tde4.getPGroupList()
for pg in pgl:
if tde4.getPGroupType(pg) == "CAMERA": campg = pg
if campg == None:
tde4.postQuestionRequester("Export Maya...",
"Error, there is no camera point group.", "Ok")
#
# open requester...
try:
req = _export_requester_maya
except (ValueError, NameError, TypeError):
_export_requester_maya = tde4.createCustomRequester()
req = _export_requester_maya
tde4.addFileWidget(req, "file_browser", "Exportfile...", "*.mel")
tde4.addTextFieldWidget(req, "startframe_field", "Startframe", "1")
# tde4.addOptionMenuWidget(req,"mode_menu","Orientation","Y-Up", "Z-Up")
tde4.addToggleWidget(req, "hide_ref_frames", "Hide Reference Frames", 0)
cam = tde4.getCurrentCamera()
offset = tde4.getCameraFrameOffset(cam)
tde4.setWidgetValue(req, "startframe_field", str(offset))
FootageWidth = tde4.getCameraImageWidth(cam)
FootageHeight = tde4.getCameraImageHeight(cam)
lens = tde4.getFirstLens()
CameraApertureWidth = tde4.getLensFBackWidth(lens) / 2.54
CameraApertureHeight = tde4.getLensFBackHeight(lens) / 2.54
def main():
campg = None
pgl = tde4.getPGroupList()
for pg in pgl:
if tde4.getPGroupType(pg) == "CAMERA": campg = pg
if campg == None:
tde4.postQuestionRequester("Export Maya...",
"Error, there is no camera point group.",
"Ok")
#
# open requester...
try:
req = _export_requester_maya
except (ValueError, NameError, TypeError):
_export_requester_maya = tde4.createCustomRequester()
req = _export_requester_maya
tde4.addFileWidget(req, "file_browser", "Exportfile...", "*.mel")
tde4.addTextFieldWidget(req, "startframe_field", "Startframe", "1")
# tde4.addOptionMenuWidget(req,"mode_menu","Orientation","Y-Up", "Z-Up")
tde4.addToggleWidget(req, "hide_ref_frames", "Hide Reference Frames",
0)
cam = tde4.getCurrentCamera()
offset = tde4.getCameraFrameOffset(cam)
tde4.setWidgetValue(req, "startframe_field", str(offset))
# ret = tde4.postCustomRequester(req,"Export Maya (MEL-Script)...",600,0,"Ok","Cancel")
ret = 1
if ret == 1:
# yup = tde4.getWidgetValue(req,"mode_menu")
# if yup==2: yup = 0
yup = 1
# path = tde4.getWidgetValue(req,"file_browser")
path = get_mel_filename()['path']
# frame0 = float(tde4.getWidgetValue(req,"startframe_field"))
# frame0 -= 1
framerange = get_frame_range()
playbackoptions = 'playbackOptions -min {0} -max {1};'
playbackoptions = playbackoptions.format(framerange['first'],
framerange['last'])
frame0 = framerange['first'] - 1
hide_ref = tde4.getWidgetValue(req, "hide_ref_frames")
if path != None:
if not path.endswith('.mel'): path = path + '.mel'
f = open(path, "w")
if not f.closed:
#
# write some comments...
f.write("//\n")
f.write("// Maya/MEL export data written by %s\n" %
tde4.get3DEVersion())
f.write("//\n")
f.write(
"// All lengths are in centimeter, all angles are in degree.\n"
)
f.write("//\n\n")
#
# write scene group...
groupname = """// create scene group...
string $sceneGroupName = `group -em -name "mm_{name}"`;
"""
# f.write("// create scene group...\n")
# f.write("string $sceneGroupName = `group -em -name \"Scene\"`;\n")
groupname = groupname.format(
name=get_mel_filename()['filename'][:-4])
f.write(groupname)
#
# write cameras...
cl = tde4.getCameraList()
index = 1
for cam in cl:
camType = tde4.getCameraType(cam)
noframes = tde4.getCameraNoFrames(cam)
lens = tde4.getCameraLens(cam)
if lens != None:
name = validName(tde4.getCameraName(cam))
cam_name = 'cam_mm_' + name
# name = "%s_%s_1"%(name,index)
# name = "%s_%s"%(name,index)
name = cam_name
index += 1
fback_w = tde4.getLensFBackWidth(lens)
fback_h = tde4.getLensFBackHeight(lens)
p_aspect = tde4.getLensPixelAspect(lens)
focal = tde4.getCameraFocalLength(cam, 1)
lco_x = tde4.getLensLensCenterX(lens)
lco_y = tde4.getLensLensCenterY(lens)
# convert filmback to inch...
fback_w = fback_w / 2.54
fback_h = fback_h / 2.54
lco_x = -lco_x / 2.54
lco_y = -lco_y / 2.54
# convert focal length to mm...
focal = focal * 10.0
# create camera...
f.write("\n")
f.write("// create camera %s...\n" % name)
f.write(
"string $cameraNodes[] = `camera -name \"%s\" -hfa %.15f -vfa %.15f -fl %.15f -ncp 0.01 -fcp 10000 -shutterAngle 180 -ff \"overscan\"`;\n"
% (name, fback_w, fback_h, focal))
f.write("string $cameraTransform = $cameraNodes[0];\n")
f.write("string $cameraShape = $cameraNodes[1];\n")
f.write(
"xform -zeroTransformPivots -rotateOrder zxy $cameraTransform;\n"
)
f.write(
"setAttr ($cameraShape+\".horizontalFilmOffset\") %.15f;\n"
% lco_x)
f.write(
"setAttr ($cameraShape+\".verticalFilmOffset\") %.15f;\n"
% lco_y)
f.write("setAttr ($cameraShape+\".renderable\") 1;\n")
p3d = tde4.getPGroupPosition3D(campg, cam, 1)
p3d = convertZup(p3d, yup)
f.write(
"xform -translation %.15f %.15f %.15f $cameraTransform;\n"
% (p3d[0], p3d[1], p3d[2]))
r3d = tde4.getPGroupRotation3D(campg, cam, 1)
rot = convertToAngles(r3d)
f.write(
"xform -rotation %.15f %.15f %.15f $cameraTransform;\n"
% rot)
f.write("xform -scale 1 1 1 $cameraTransform;\n")
"""add pipeline attributes to camerashape"""
# attribs = add_pipeline_attribs() ### OBSOLETE WAY
attribs = add_pipeline_parms()
f.write(attribs)
# image plane...
f.write("\n\n\n\n// create image plane...\n")
f.write(
"string $imagePlane = `createNode imagePlane`;\n")
f.write(
"cameraImagePlaneUpdate ($cameraShape, $imagePlane);\n"
)
f.write(
"setAttr ($imagePlane + \".offsetX\") %.15f;\n" %
lco_x)
f.write(
"setAttr ($imagePlane + \".offsetY\") %.15f;\n" %
lco_y)
if camType == "SEQUENCE":
f.write(
"setAttr ($imagePlane+\".useFrameExtension\") 1;\n"
)
else:
f.write(
"setAttr ($imagePlane+\".useFrameExtension\") 0;\n"
)
f.write(
"expression -n \"frame_ext_expression\" -s ($imagePlane+\".frameExtension=frame\");\n"
)
path = tde4.getCameraPath(cam)
sattr = tde4.getCameraSequenceAttr(cam)
path = prepareImagePath(path, sattr[0])
f.write(
"setAttr ($imagePlane + \".imageName\") -type \"string\" \"%s\";\n"
% (path))
f.write("setAttr ($imagePlane + \".fit\") 4;\n")
f.write(
"setAttr ($imagePlane + \".displayOnlyIfCurrent\") 1;\n"
)
f.write(
"setAttr ($imagePlane + \".depth\") (9000/2);\n")
# parent camera to scene group...
f.write("\n")
f.write("// parent camera to scene group...\n")
f.write("parent $cameraTransform $sceneGroupName;\n")
if camType == "REF_FRAME" and hide_ref:
f.write(
"setAttr ($cameraTransform +\".visibility\") 0;\n"
)
# animate camera...
if camType != "REF_FRAME":
f.write("\n")
f.write("// animating camera %s...\n" % name)
f.write(playbackoptions)
# f.write("playbackOptions -min %d -max %d;\n"%(1+frame0,noframes+frame0))
f.write("\n\n")
frame = 1
while frame <= noframes:
# rot/pos...
p3d = tde4.getPGroupPosition3D(campg, cam, frame)
p3d = convertZup(p3d, yup)
r3d = tde4.getPGroupRotation3D(campg, cam, frame)
rot = convertToAngles(r3d)
if frame > 1:
rot = [
angleMod360(rot0[0], rot[0]),
angleMod360(rot0[1], rot[1]),
angleMod360(rot0[2], rot[2])
]
rot0 = rot
f.write(
"setKeyframe -at translateX -t %d -v %.15f $cameraTransform; "
% (frame + frame0, p3d[0]))
f.write(
"setKeyframe -at translateY -t %d -v %.15f $cameraTransform; "
% (frame + frame0, p3d[1]))
f.write(
"setKeyframe -at translateZ -t %d -v %.15f $cameraTransform; "
% (frame + frame0, p3d[2]))
f.write(
"setKeyframe -at rotateX -t %d -v %.15f $cameraTransform; "
% (frame + frame0, rot[0]))
f.write(
"setKeyframe -at rotateY -t %d -v %.15f $cameraTransform; "
% (frame + frame0, rot[1]))
f.write(
"setKeyframe -at rotateZ -t %d -v %.15f $cameraTransform; "
% (frame + frame0, rot[2]))
# focal length...
focal = tde4.getCameraFocalLength(cam, frame)
focal = focal * 10.0
f.write(
"setKeyframe -at focalLength -t %d -v %.15f $cameraShape;\n"
% (frame + frame0, focal))
frame += 1
#
# write camera point group...
f.write("\n")
f.write("// create camera point group...\n")
name = "cameraPGroup_%s_1" % validName(
tde4.getPGroupName(campg))
f.write(
"string $pointGroupName = `group -em -name \"%s\" -parent $sceneGroupName`;\n"
% name)
# f.write("$pointGroupName = ($sceneGroupName + \"|\" + $pointGroupName);\n")
f.write("\n")
# write points...
l = tde4.getPointList(campg)
for p in l:
if tde4.isPointCalculated3D(campg, p):
name = tde4.getPointName(campg, p)
name = "p%s" % validName(name)
p3d = tde4.getPointCalcPosition3D(campg, p)
p3d = convertZup(p3d, yup)
f.write("\n")
f.write("// create point %s...\n" % name)
f.write(
"string $locator = stringArrayToString(`spaceLocator -name %s`, \"\");\n"
% name)
f.write("$locator = (\"|\" + $locator);\n")
f.write("xform -t %.15f %.15f %.15f $locator;\n" %
(p3d[0], p3d[1], p3d[2]))
f.write("parent $locator $pointGroupName;\n")
f.write("\n")
f.write(
"xform -zeroTransformPivots -rotateOrder zxy -scale 1.000000 1.000000 1.000000 $pointGroupName;\n"
)
f.write("\n")
#
# write object/mocap point groups...
camera = tde4.getCurrentCamera()
noframes = tde4.getCameraNoFrames(camera)
pgl = tde4.getPGroupList()
index = 1
for pg in pgl:
if tde4.getPGroupType(pg) == "OBJECT" and camera != None:
f.write("\n")
f.write("// create object point group...\n")
pgname = "objectPGroup_%s_%d_1" % (validName(
tde4.getPGroupName(pg)), index)
index += 1
f.write(
"string $pointGroupName = `group -em -name \"%s\" -parent $sceneGroupName`;\n"
% pgname)
f.write(
"$pointGroupName = ($sceneGroupName + \"|\" + $pointGroupName);\n"
)
# write points...
l = tde4.getPointList(pg)
for p in l:
if tde4.isPointCalculated3D(pg, p):
name = tde4.getPointName(pg, p)
name = "p%s" % validName(name)
p3d = tde4.getPointCalcPosition3D(pg, p)
p3d = convertZup(p3d, yup)
f.write("\n")
f.write("// create point %s...\n" % name)
f.write(
"string $locator = stringArrayToString(`spaceLocator -name %s`, \"\");\n"
% name)
f.write("$locator = (\"|\" + $locator);\n")
f.write(
"xform -t %.15f %.15f %.15f $locator;\n" %
(p3d[0], p3d[1], p3d[2]))
f.write("parent $locator $pointGroupName;\n")
f.write("\n")
scale = tde4.getPGroupScale3D(pg)
f.write(
"xform -zeroTransformPivots -rotateOrder zxy -scale %.15f %.15f %.15f $pointGroupName;\n"
% (scale, scale, scale))
# animate object point group...
f.write("\n")
f.write("// animating point group %s...\n" % pgname)
frame = 1
while frame <= noframes:
# rot/pos...
p3d = tde4.getPGroupPosition3D(pg, camera, frame)
p3d = convertZup(p3d, yup)
r3d = tde4.getPGroupRotation3D(pg, camera, frame)
rot = convertToAngles(r3d)
if frame > 1:
rot = [
angleMod360(rot0[0], rot[0]),
angleMod360(rot0[1], rot[1]),
angleMod360(rot0[2], rot[2])
]
rot0 = rot
f.write(
"setKeyframe -at translateX -t %d -v %.15f $pointGroupName; "
% (frame + frame0, p3d[0]))
f.write(
"setKeyframe -at translateY -t %d -v %.15f $pointGroupName; "
% (frame + frame0, p3d[1]))
f.write(
"setKeyframe -at translateZ -t %d -v %.15f $pointGroupName; "
% (frame + frame0, p3d[2]))
f.write(
"setKeyframe -at rotateX -t %d -v %.15f $pointGroupName; "
% (frame + frame0, rot[0]))
f.write(
"setKeyframe -at rotateY -t %d -v %.15f $pointGroupName; "
% (frame + frame0, rot[1]))
f.write(
"setKeyframe -at rotateZ -t %d -v %.15f $pointGroupName;\n"
% (frame + frame0, rot[2]))
frame += 1
# mocap point groups...
if tde4.getPGroupType(pg) == "MOCAP" and camera != None:
f.write("\n")
f.write("// create mocap point group...\n")
pgname = "objectPGroup_%s_%d_1" % (validName(
tde4.getPGroupName(pg)), index)
index += 1
f.write(
"string $pointGroupName = `group -em -name \"%s\" -parent $sceneGroupName`;\n"
% pgname)
f.write(
"$pointGroupName = ($sceneGroupName + \"|\" + $pointGroupName);\n"
)
# write points...
l = tde4.getPointList(pg)
for p in l:
if tde4.isPointCalculated3D(pg, p):
name = tde4.getPointName(pg, p)
name = "p%s" % validName(name)
p3d = tde4.getPointMoCapCalcPosition3D(
pg, p, camera, 1)
p3d = convertZup(p3d, yup)
f.write("\n")
f.write("// create point %s...\n" % name)
f.write(
"string $locator = stringArrayToString(`spaceLocator -name %s`, \"\");\n"
% name)
f.write("$locator = (\"|\" + $locator);\n")
f.write(
"xform -t %.15f %.15f %.15f $locator;\n" %
(p3d[0], p3d[1], p3d[2]))
for frame in range(1, noframes + 1):
p3d = tde4.getPointMoCapCalcPosition3D(
pg, p, camera, frame)
p3d = convertZup(p3d, yup)
f.write(
"setKeyframe -at translateX -t %d -v %.15f $locator; "
% (frame + frame0, p3d[0]))
f.write(
"setKeyframe -at translateY -t %d -v %.15f $locator; "
% (frame + frame0, p3d[1]))
f.write(
"setKeyframe -at translateZ -t %d -v %.15f $locator; "
% (frame + frame0, p3d[2]))
f.write("parent $locator $pointGroupName;\n")
f.write("\n")
scale = tde4.getPGroupScale3D(pg)
f.write(
"xform -zeroTransformPivots -rotateOrder zxy -scale %.15f %.15f %.15f $pointGroupName;\n"
% (scale, scale, scale))
# animate mocap point group...
f.write("\n")
f.write("// animating point group %s...\n" % pgname)
frame = 1
while frame <= noframes:
# rot/pos...
p3d = tde4.getPGroupPosition3D(pg, camera, frame)
p3d = convertZup(p3d, yup)
r3d = tde4.getPGroupRotation3D(pg, camera, frame)
rot = convertToAngles(r3d)
if frame > 1:
rot = [
angleMod360(rot0[0], rot[0]),
angleMod360(rot0[1], rot[1]),
angleMod360(rot0[2], rot[2])
]
rot0 = rot
f.write(
"setKeyframe -at translateX -t %d -v %.15f $pointGroupName; "
% (frame + frame0, p3d[0]))
f.write(
"setKeyframe -at translateY -t %d -v %.15f $pointGroupName; "
% (frame + frame0, p3d[1]))
f.write(
"setKeyframe -at translateZ -t %d -v %.15f $pointGroupName; "
% (frame + frame0, p3d[2]))
f.write(
"setKeyframe -at rotateX -t %d -v %.15f $pointGroupName; "
% (frame + frame0, rot[0]))
f.write(
"setKeyframe -at rotateY -t %d -v %.15f $pointGroupName; "
% (frame + frame0, rot[1]))
f.write(
"setKeyframe -at rotateZ -t %d -v %.15f $pointGroupName;\n"
% (frame + frame0, rot[2]))
frame += 1
#
# global (scene node) transformation...
p3d = tde4.getScenePosition3D()
p3d = convertZup(p3d, yup)
r3d = tde4.getSceneRotation3D()
rot = convertToAngles(r3d)
s = tde4.getSceneScale3D()
f.write(
"xform -zeroTransformPivots -rotateOrder zxy -translation %.15f %.15f %.15f -scale %.15f %.15f %.15f -rotation %.15f %.15f %.15f $sceneGroupName;\n\n"
%
(p3d[0], p3d[1], p3d[2], s, s, s, rot[0], rot[1], rot[2]))
f.write("\n")
f.close()
# tde4.postQuestionRequester("Export Maya...","Project successfully exported.","Ok")
print '--> successfully exported Maya Mel'
else:
tde4.postQuestionRequester("Export Maya...",
"Error, couldn't open file.", "Ok")
return get_mel_filename()['path']
