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Please provide a description of the function:def create_branches(self, branches): if not isinstance(branches, TreeBuffer): branches = TreeBuffer(branches) self.set_buffer(branches, create_branches=True)
[ "\n Create branches from a TreeBuffer or dict mapping names to type names\n\n Parameters\n ----------\n branches : TreeBuffer or dict\n " ]
Please provide a description of the function:def update_buffer(self, treebuffer, transfer_objects=False): self._buffer.update(treebuffer) if transfer_objects: self._buffer.set_objects(treebuffer)
[ "\n Merge items from a TreeBuffer into this Tree's TreeBuffer\n\n Parameters\n ----------\n buffer : rootpy.tree.buffer.TreeBuffer\n The TreeBuffer to merge into this Tree's buffer\n\n transfer_objects : bool, optional (default=False)\n If True then all objec...
Please provide a description of the function:def set_buffer(self, treebuffer, branches=None, ignore_branches=None, create_branches=False, visible=True, ignore_missing=False, ignore_duplicates=False, ...
[ "\n Set the Tree buffer\n\n Parameters\n ----------\n treebuffer : rootpy.tree.buffer.TreeBuffer\n a TreeBuffer\n\n branches : list, optional (default=None)\n only include these branches from the TreeBuffer\n\n ignore_branches : list, optional (default...
Please provide a description of the function:def glob(self, patterns, exclude=None): if isinstance(patterns, string_types): patterns = [patterns] if isinstance(exclude, string_types): exclude = [exclude] matches = [] for pattern in patterns: m...
[ "\n Return a list of branch names that match ``pattern``.\n Exclude all matched branch names which also match a pattern in\n ``exclude``. ``exclude`` may be a string or list of strings.\n\n Parameters\n ----------\n patterns: str or list\n branches are matched ag...
Please provide a description of the function:def GetEntry(self, entry): if not (0 <= entry < self.GetEntries()): raise IndexError("entry index out of range: {0:d}".format(entry)) self._buffer.reset_collections() return super(BaseTree, self).GetEntry(entry)
[ "\n Get an entry. Tree collections are reset\n (see ``rootpy.tree.treeobject``)\n\n Parameters\n ----------\n entry : int\n entry index\n\n Returns\n -------\n ROOT.TTree.GetEntry : int\n The number of bytes read\n " ]
Please provide a description of the function:def csv(self, sep=',', branches=None, include_labels=True, limit=None, stream=None): supported_types = (Scalar, Array, stl.string) if stream is None: stream = sys.stdout if not self._buffer: sel...
[ "\n Print csv representation of tree only including branches\n of basic types (no objects, vectors, etc..)\n\n Parameters\n ----------\n sep : str, optional (default=',')\n The delimiter used to separate columns\n\n branches : list, optional (default=None)\n ...
Please provide a description of the function:def GetEntries(self, cut=None, weighted_cut=None, weighted=False): if weighted_cut: hist = Hist(1, -1, 2) branch = self.GetListOfBranches()[0].GetName() weight = self.GetWeight() self.SetWeight(1) s...
[ "\n Get the number of (weighted) entries in the Tree\n\n Parameters\n ----------\n cut : str or rootpy.tree.cut.Cut, optional (default=None)\n Only entries passing this cut will be included in the count\n\n weighted_cut : str or rootpy.tree.cut.Cut, optional (default=No...
Please provide a description of the function:def GetMaximum(self, expression, cut=None): if cut: self.Draw(expression, cut, 'goff') else: self.Draw(expression, '', 'goff') vals = self.GetV1() n = self.GetSelectedRows() vals = [vals[i] for i in ran...
[ "\n TODO: we need a better way of determining the maximum value of an\n expression.\n " ]
Please provide a description of the function:def GetMinimum(self, expression, cut=None): if cut: self.Draw(expression, cut, "goff") else: self.Draw(expression, "", "goff") vals = self.GetV1() n = self.GetSelectedRows() vals = [vals[i] for i in ran...
[ "\n TODO: we need a better way of determining the minimum value of an\n expression.\n " ]
Please provide a description of the function:def CopyTree(self, selection, *args, **kwargs): return super(BaseTree, self).CopyTree(str(selection), *args, **kwargs)
[ "\n Copy the tree while supporting a rootpy.tree.cut.Cut selection in\n addition to a simple string.\n " ]
Please provide a description of the function:def Draw(self, expression, selection="", options="", hist=None, create_hist=False, **kwargs): if isinstance(expression, string_types): # Check that we have a valid draw...
[ "\n Draw a TTree with a selection as usual, but return the created\n histogram.\n\n Parameters\n ----------\n expression : str\n The expression to draw. Multidimensional expressions are separated\n by \":\". rootpy reverses the expressions along each dimensio...
Please provide a description of the function:def to_array(self, *args, **kwargs): from root_numpy import tree2array return tree2array(self, *args, **kwargs)
[ "\n Convert this tree into a NumPy structured array\n " ]
Please provide a description of the function:def color_key(tkey): name = tkey.GetName() classname = tkey.GetClassName() for class_regex, color in _COLOR_MATCHER: if class_regex.match(classname): return colored(name, color=color) return name
[ "\n Function which returns a colorized TKey name given its type\n " ]
Please provide a description of the function:def plot_corrcoef_matrix(matrix, names=None, cmap=None, cmap_text=None, fontsize=12, grid=False, axes=None): import numpy as np from matplotlib import pyplot as plt from matplotlib im...
[ "\n This function will draw a lower-triangular correlation matrix\n\n Parameters\n ----------\n\n matrix : 2-dimensional numpy array/matrix\n A correlation coefficient matrix\n\n names : list of strings, optional (default=None)\n List of the parameter names corresponding to the rows in ...
Please provide a description of the function:def cov(m, y=None, rowvar=1, bias=0, ddof=None, weights=None, repeat_weights=0): import numpy as np # Check inputs if ddof is not None and ddof != int(ddof): raise ValueError( "ddof must be integer") X = np.array(m, ndmin=2, dtype=fl...
[ "\n Estimate a covariance matrix, given data.\n\n Covariance indicates the level to which two variables vary together.\n If we examine N-dimensional samples, :math:`X = [x_1, x_2, ... x_N]^T`,\n then the covariance matrix element :math:`C_{ij}` is the covariance of\n :math:`x_i` and :math:`x_j`. The ...
Please provide a description of the function:def corrcoef(x, y=None, rowvar=1, bias=0, ddof=None, weights=None, repeat_weights=0): import numpy as np c = cov(x, y, rowvar, bias, ddof, weights, repeat_weights) if c.size == 0: # handle empty arrays return c try: d...
[ "\n Return correlation coefficients.\n\n Please refer to the documentation for `cov` for more detail. The\n relationship between the correlation coefficient matrix, `P`, and the\n covariance matrix, `C`, is\n\n .. math:: P_{ij} = \\\\frac{ C_{ij} } { \\\\sqrt{ C_{ii} * C_{jj} } }\n\n The values o...
Please provide a description of the function:def safe(self, parentheses=True): if not self: return "" string = str(self) string = string.replace("**", "_pow_") string = string.replace("*", "_mul_") string = string.replace("/", "_div_") string = string...
[ "\n Returns a string representation with special characters\n replaced by safer characters for use in file names.\n " ]
Please provide a description of the function:def latex(self): if not self: return "" s = str(self) s = s.replace("==", " = ") s = s.replace("<=", " \leq ") s = s.replace(">=", " \geq ") s = s.replace("&&", r" \text{ and } ") s = s.replace("||"...
[ "\n Returns a string representation for use in LaTeX\n " ]
Please provide a description of the function:def replace(self, name, newname): if not re.match("[a-zA-Z]\w*", name): return None if not re.match("[a-zA-Z]\w*", newname): return None def _replace(match): return match.group(0).replace(match.group('name...
[ "\n Replace all occurrences of name with newname\n " ]
Please provide a description of the function:def _findlinestarts(code): lineno = code.co_firstlineno addr = 0 for byte_incr, line_incr in zip(code.co_lnotab[0::2], code.co_lnotab[1::2]): if byte_incr: yield addr, lineno addr += byte_incr ...
[ "Find the offsets in a byte code which are start of lines in the source\n Generate pairs offset,lineno as described in Python/compile.c\n This is a modified version of dis.findlinestarts, which allows multiplelinestarts\n with the same line number" ]
Please provide a description of the function:def from_code(cls, co): free_cell_isection = set(co.co_cellvars) & set(co.co_freevars) if free_cell_isection: print(co.co_name + ': has non-empty co.co_cellvars & co.co_freevars', free_cell_isection) return None co_co...
[ "Disassemble a Python code object into a Code object" ]
Please provide a description of the function:def save_image(self, image_file): self.ensure_pyplot() command = 'plt.gcf().savefig("%s")'%image_file #print 'SAVEFIG', command # dbg self.process_input_line('bookmark ipy_thisdir', store_history=False) self.process_input_lin...
[ "\n Saves the image file to disk.\n " ]
Please provide a description of the function:def process_pure_python(self, content): output = [] savefig = False # keep up with this to clear figure multiline = False # to handle line continuation multiline_start = None fmtin = self.promptin ct = 0 for ...
[ "\n content is a list of strings. it is unedited directive conent\n\n This runs it line by line in the InteractiveShell, prepends\n prompts as needed capturing stderr and stdout, then returns\n the content as a list as if it were ipython code\n " ]
Please provide a description of the function:def convert_markerstyle(inputstyle, mode, inputmode=None): mode = mode.lower() if mode not in ('mpl', 'root'): raise ValueError("`{0}` is not valid `mode`".format(mode)) if inputmode is None: if inputstyle in markerstyles_root2mpl: ...
[ "\n Convert *inputstyle* to ROOT or matplotlib format.\n\n Output format is determined by *mode* ('root' or 'mpl'). The *inputstyle*\n may be a ROOT marker style, a matplotlib marker style, or a description\n such as 'star' or 'square'.\n " ]
Please provide a description of the function:def convert_linestyle(inputstyle, mode, inputmode=None): mode = mode.lower() if mode not in ('mpl', 'root'): raise ValueError( "`{0}` is not a valid `mode`".format(mode)) try: inputstyle = int(inputstyle) if inputstyle < 1...
[ "\n Convert *inputstyle* to ROOT or matplotlib format.\n\n Output format is determined by *mode* ('root' or 'mpl'). The *inputstyle*\n may be a ROOT line style, a matplotlib line style, or a description\n such as 'solid' or 'dotted'.\n " ]
Please provide a description of the function:def convert_fillstyle(inputstyle, mode, inputmode=None): mode = mode.lower() if mode not in ('mpl', 'root'): raise ValueError("`{0}` is not a valid `mode`".format(mode)) if inputmode is None: try: # inputstyle is a ROOT linestyle ...
[ "\n Convert *inputstyle* to ROOT or matplotlib format.\n\n Output format is determined by *mode* ('root' or 'mpl'). The *inputstyle*\n may be a ROOT fill style, a matplotlib hatch style, None, 'none', 'hollow',\n or 'solid'.\n " ]
Please provide a description of the function:def convert_color(color, mode): mode = mode.lower() if mode not in ('mpl', 'root'): raise ValueError( "`{0}` is not a valid `mode`".format(mode)) try: # color is an r,g,b tuple color = tuple([float(x) for x in color[:3]]) ...
[ "\n Convert *color* to a TColor if *mode='root'* or to (r,g,b) if 'mpl'.\n\n The *color* argument can be a ROOT TColor or color index, an *RGB*\n or *RGBA* sequence or a string in any of several forms:\n\n 1) a letter from the set 'rgbcmykw'\n 2) a hex color string, like '#00FFFF'\n 3)...
Please provide a description of the function:def _clone_post_init(self, obj=None, **kwargs): # Initialize the extra attributes if obj is None or obj is self: # We must be asrootpy-ing a ROOT object # or freshly init-ing a rootpy object for attr, value in Plot...
[ "\n obj must be another Plottable instance. obj is used by Clone to properly\n transfer all attributes onto this object.\n " ]
Please provide a description of the function:def decorate(self, other=None, **kwargs): if 'color' in kwargs: incompatible = [] for othercolor in ('linecolor', 'fillcolor', 'markercolor'): if othercolor in kwargs: incompatible.append(othercolor...
[ "\n Apply style options to a Plottable object.\n\n Returns a reference to self.\n " ]
Please provide a description of the function:def SetLineColor(self, color): self._linecolor = Color(color) if isinstance(self, ROOT.TAttLine): ROOT.TAttLine.SetLineColor(self, self._linecolor('root'))
[ "\n *color* may be any color understood by ROOT or matplotlib.\n\n For full documentation of accepted *color* arguments, see\n :class:`rootpy.plotting.style.Color`.\n " ]
Please provide a description of the function:def SetLineStyle(self, style): self._linestyle = LineStyle(style) if isinstance(self, ROOT.TAttLine): ROOT.TAttLine.SetLineStyle(self, self._linestyle('root'))
[ "\n *style* may be any line style understood by ROOT or matplotlib.\n\n For full documentation of accepted *style* arguments, see\n :class:`rootpy.plotting.style.LineStyle`.\n " ]
Please provide a description of the function:def SetFillColor(self, color): self._fillcolor = Color(color) if isinstance(self, ROOT.TAttFill): ROOT.TAttFill.SetFillColor(self, self._fillcolor('root'))
[ "\n *color* may be any color understood by ROOT or matplotlib.\n\n For full documentation of accepted *color* arguments, see\n :class:`rootpy.plotting.style.Color`.\n " ]
Please provide a description of the function:def SetFillStyle(self, style): self._fillstyle = FillStyle(style) if isinstance(self, ROOT.TAttFill): ROOT.TAttFill.SetFillStyle(self, self._fillstyle('root'))
[ "\n *style* may be any fill style understood by ROOT or matplotlib.\n\n For full documentation of accepted *style* arguments, see\n :class:`rootpy.plotting.style.FillStyle`.\n " ]
Please provide a description of the function:def SetMarkerColor(self, color): self._markercolor = Color(color) if isinstance(self, ROOT.TAttMarker): ROOT.TAttMarker.SetMarkerColor(self, self._markercolor('root'))
[ "\n *color* may be any color understood by ROOT or matplotlib.\n\n For full documentation of accepted *color* arguments, see\n :class:`rootpy.plotting.style.Color`.\n " ]
Please provide a description of the function:def SetMarkerStyle(self, style): self._markerstyle = MarkerStyle(style) if isinstance(self, ROOT.TAttMarker): ROOT.TAttMarker.SetMarkerStyle(self, self._markerstyle('root'))
[ "\n *style* may be any marker style understood by ROOT or matplotlib.\n\n For full documentation of accepted *style* arguments, see\n :class:`rootpy.plotting.style.MarkerStyle`.\n " ]
Please provide a description of the function:def SetColor(self, color): self.SetFillColor(color) self.SetLineColor(color) self.SetMarkerColor(color)
[ "\n *color* may be any color understood by ROOT or matplotlib.\n\n Set all color attributes with one method call.\n\n For full documentation of accepted *color* arguments, see\n :class:`rootpy.plotting.style.Color`.\n " ]
Please provide a description of the function:def Draw(self, *args, **kwargs): if kwargs: return self.DrawCopy(*args, **kwargs) pad = ROOT.gPad own_pad = False if not pad: # avoid circular import by delaying import until needed here from .canv...
[ "\n Parameters\n ----------\n args : positional arguments\n Positional arguments are passed directly to ROOT's Draw\n kwargs : keyword arguments\n If keyword arguments are present, then a clone is drawn instead\n with DrawCopy, where the name, title, and ...
Please provide a description of the function:def DrawCopy(self, *args, **kwargs): copy = self.Clone(**kwargs) copy.Draw(*args) return copy
[ "\n Parameters\n ----------\n args : positional arguments\n Positional arguments are passed directly to ROOT's Draw\n kwargs : keyword arguments\n The name, title, and style attributes of the clone are\n taken from ``kwargs``.\n\n Returns\n ...
Please provide a description of the function:def getitem(self, index): if index >= getattr(self.tree, self.size): raise IndexError(index) if self.__cache_objects and index in self.__cache: return self.__cache[index] obj = self.tree_object_cls(self.tree, self.name...
[ "\n direct access without going through self.selection\n " ]
Please provide a description of the function:def configure_defaults(): log.debug("configure_defaults()") global initialized initialized = True if use_rootpy_handler: # Need to do it again here, since it is overridden by ROOT. set_error_handler(python_logging_error_handler) if...
[ "\n This function is executed immediately after ROOT's finalSetup\n " ]
Please provide a description of the function:def rp_module_level_in_stack(): from traceback import extract_stack from rootpy import _ROOTPY_SOURCE_PATH modlevel_files = [filename for filename, _, func, _ in extract_stack() if func == "<module>"] return any(path.startswith(_RO...
[ "\n Returns true if we're during a rootpy import\n " ]
Please provide a description of the function:def monitor_deletion(): monitors = {} def set_deleted(x): def _(weakref): del monitors[x] return _ def monitor(item, name): monitors[name] = ref(item, set_deleted(name)) def is_alive(name): return monitors.g...
[ "\n Function for checking for correct deletion of weakref-able objects.\n\n Example usage::\n\n monitor, is_alive = monitor_deletion()\n obj = set()\n monitor(obj, \"obj\")\n assert is_alive(\"obj\") # True because there is a ref to `obj` is_alive\n del obj\n assert n...
Please provide a description of the function:def draw(plottables, pad=None, same=False, xaxis=None, yaxis=None, xtitle=None, ytitle=None, xlimits=None, ylimits=None, xdivisions=None, ydivisions=None, logx=False, logy=False, **kwargs): context = preserve_cur...
[ "\n Draw a list of histograms, stacks, and/or graphs.\n\n Parameters\n ----------\n plottables : Hist, Graph, HistStack, or list of such objects\n List of objects to draw.\n\n pad : Pad or Canvas, optional (default=None)\n The pad to draw onto. If None then use the current global pad.\n...
Please provide a description of the function:def _limits_helper(x1, x2, a, b, snap=False): if x2 < x1: raise ValueError("x2 < x1") if a + b >= 1: raise ValueError("a + b >= 1") if a < 0: raise ValueError("a < 0") if b < 0: raise ValueError("b < 0") if snap: ...
[ "\n Given x1, x2, a, b, where:\n\n x1 - x0 x3 - x2\n a = ------- , b = -------\n x3 - x0 x3 - x0\n\n determine the points x0 and x3:\n\n x0 x1 x2 x3\n |----------|-----------------|--------|\n\n " ]
Please provide a description of the function:def get_limits(plottables, xpadding=0, ypadding=0.1, xerror_in_padding=True, yerror_in_padding=True, snap=True, logx=False, logy=False, logx_crop_value=1E-...
[ "\n Get the axes limits that should be used for a 1D histogram, graph, or stack\n of histograms.\n\n Parameters\n ----------\n\n plottables : Hist, Graph, HistStack, or list of such objects\n The object(s) for which visually pleasing plot boundaries are\n requested.\n\n xpadding : fl...
Please provide a description of the function:def get_band(low_hist, high_hist, middle_hist=None): npoints = low_hist.nbins(0) band = Graph(npoints) for i in range(npoints): center = low_hist.x(i + 1) width = low_hist.xwidth(i + 1) low, high = low_hist.y(i + 1), high_hist.y(i + 1...
[ "\n Convert the low and high histograms into a TGraphAsymmErrors centered at\n the middle histogram if not None otherwise the middle between the low and\n high points, to be used to draw a (possibly asymmetric) error band.\n " ]
Please provide a description of the function:def canvases_with(drawable): return [c for c in ROOT.gROOT.GetListOfCanvases() if drawable in find_all_primitives(c)]
[ "\n Return a list of all canvases where `drawable` has been painted.\n\n Note: This function is inefficient because it inspects all objects on all\n canvases, recursively. Avoid calling it if you have a large number of\n canvases and primitives.\n " ]
Please provide a description of the function:def find_all_primitives(pad): result = [] for primitive in pad.GetListOfPrimitives(): result.append(primitive) if hasattr(primitive, "GetListOfFunctions"): result.extend(primitive.GetListOfFunctions()) if hasattr(primitive, "G...
[ "\n Recursively find all primities on a pad, even those hiding behind a\n GetListOfFunctions() of a primitive\n " ]
Please provide a description of the function:def tick_length_pixels(pad, xaxis, yaxis, xlength, ylength=None): if ylength is None: ylength = xlength xaxis.SetTickLength(xlength / float(pad.height_pixels)) yaxis.SetTickLength(ylength / float(pad.width_pixels))
[ "\n Set the axes tick lengths in pixels\n " ]
Please provide a description of the function:def convert(origin, target, type): _origin = origin.upper() if _origin == 'ROOTCODE': _origin = root_type_codes elif _origin == 'ROOTNAME': _origin = root_type_names elif _origin == 'ARRAY': _origin = python_codes elif _origin...
[ "\n convert type from origin to target\n origin/target must be ROOTCODE, ROOTNAME, ARRAY, or NUMPY\n " ]
Please provide a description of the function:def set(self, value): if isinstance(value, BaseScalar): self[0] = self.convert(value.value) else: self[0] = self.convert(value)
[ "Set the value" ]
Please provide a description of the function:def reset(self): if self.resetable: for i in range(len(self)): self[i] = self.default
[ "Reset the value to the default" ]
Please provide a description of the function:def LHCb_label(side="L", status="final", text="", pad=None): if pad is None: pad = ROOT.gPad with preserve_current_canvas(): pad.cd() if side == "L": l = ROOT.TPaveText(pad.GetLeftMargin() + 0.05, ...
[ "Add an 'LHCb (Preliminary|Unofficial)' label to the current pad." ]
Please provide a description of the function:def minimize(func, minimizer_type=None, minimizer_algo=None, strategy=None, retry=0, scan=False, print_level=None): llog = log['minimize'] min_opts = ROOT.Math.MinimizerOptions if...
[ "\n Minimize a RooAbsReal function\n\n Parameters\n ----------\n\n func : RooAbsReal\n The function to minimize\n\n minimizer_type : string, optional (default=None)\n The minimizer type: \"Minuit\" or \"Minuit2\".\n If None (the default) then use the current global default value....
Please provide a description of the function:def to_code(self, from_function=False): num_fastnames = sum(1 for op, arg in self.code if isopcode(op) and op in haslocal) is_function = self.newlocals or num_fastnames > 0 or len(self.args) > 0 nested = is_function and from_function ...
[ "Assemble a Python code object from a Code object" ]
Please provide a description of the function:def make_string(obj): if inspect.isclass(obj): if issubclass(obj, Object): return obj._ROOT.__name__ if issubclass(obj, string_types): return 'string' return obj.__name__ if not isinstance(obj, string_types): ...
[ "\n If ``obj`` is a string, return that, otherwise attempt to figure out the\n name of a type.\n " ]
Please provide a description of the function:def generate(declaration, headers=None, has_iterators=False): global NEW_DICTS # FIXME: _rootpy_dictionary_already_exists returns false positives # if a third-party module provides "incomplete" dictionaries. #if compiled._rootpy_dictionary_already_exists...
[ "Compile and load the reflection dictionary for a type.\n\n If the requested dictionary has already been cached, then load that instead.\n\n Parameters\n ----------\n declaration : str\n A type declaration (for example \"vector<int>\")\n headers : str or list of str\n A header file or l...
Please provide a description of the function:def ensure_built(self, headers=None): if not self.params: return else: for child in self.params: child.ensure_built(headers=headers) if headers is None: headers = self.guess_headers ...
[ "\n Make sure that a dictionary exists for this type.\n " ]
Please provide a description of the function:def guess_headers(self): name = self.name.replace("*", "") headers = [] if name in KNOWN_TYPES: headers.append(KNOWN_TYPES[name]) elif name in STL: headers.append('<{0}>'.format(name)) elif hasattr(ROOT...
[ "\n Attempt to guess what headers may be required in order to use this\n type. Returns `guess_headers` of all children recursively.\n\n * If the typename is in the :const:`KNOWN_TYPES` dictionary, use the\n header specified there\n * If it's an STL type, include <{type}>\n ...
Please provide a description of the function:def cls(self): # TODO: register the resulting type? return SmartTemplate(self.name)(", ".join(map(str, self.params)))
[ "\n Return the class definition for this type\n " ]
Please provide a description of the function:def from_string(cls, string): cls.TYPE.setParseAction(cls.make) try: return cls.TYPE.parseString(string, parseAll=True)[0] except ParseException: log.error("Failed to parse '{0}'".format(string)) raise
[ "\n Parse ``string`` into a CPPType instance\n " ]
Please provide a description of the function:def to_numpy(self): import numpy as np cols, rows = self.GetNcols(), self.GetNrows() return np.matrix([[self(i, j) for j in range(cols)] for i in range(rows)])
[ "\n Convert this matrix into a\n `numpy.matrix <http://docs.scipy.org/doc/numpy/reference/generated/numpy.matrix.html>`_.\n " ]
Please provide a description of the function:def callback(cfunc): # Note: # ROOT wants a c_voidp whose addressof() == the call site of the target # function. This hackery is necessary to achieve that. return C.c_voidp.from_address(C.cast(cfunc, C.c_voidp).value)
[ "\n Turn a ctypes CFUNCTYPE instance into a value which can be passed into PyROOT\n " ]
Please provide a description of the function:def objectproxy_realaddress(obj): voidp = QROOT.TPython.ObjectProxy_AsVoidPtr(obj) return C.addressof(C.c_char.from_buffer(voidp))
[ "\n Obtain a real address as an integer from an objectproxy.\n " ]
Please provide a description of the function:def as_list_with_options(self): it = ROOT.TIter(self) elem = it.Next() result = [] while elem: if it.GetOption(): result.append(TListItemWithOption(elem, it.GetOption())) else: r...
[ "\n Similar to list(self) except elements which have an option associated\n with them are returned as a ``TListItemWithOption``\n " ]
Please provide a description of the function:def Add(self, value, *optional): if isinstance(value, TListItemWithOption): if optional: raise RuntimeError( "option specified along with " "TListItemWithOption. Specify one or the " ...
[ "\n Overload ROOT's basic TList::Add to support supplying\n TListItemWithOption\n " ]
Please provide a description of the function:def set_style(style, mpl=False, **kwargs): if mpl: import matplotlib as mpl style_dictionary = {} if isinstance(style, string_types): style_dictionary = get_style(style, mpl=True, **kwargs) log.info("using matplotlib ...
[ "\n If mpl is False accept either style name or a TStyle instance.\n If mpl is True accept either style name or a matplotlib.rcParams-like\n dictionary\n " ]
Please provide a description of the function:def root_open(filename, mode=''): mode_map = {'a': 'UPDATE', 'a+': 'UPDATE', 'r': 'READ', 'r+': 'UPDATE', 'w': 'RECREATE', 'w+': 'RECREATE'} if mode in mode_map: mode = mode...
[ "\n Open a ROOT file via ROOT's static ROOT.TFile.Open [1] function and return\n an asrootpy'd File.\n\n Parameters\n ----------\n\n filename : string\n The absolute or relative path to the ROOT file.\n\n mode : string, optional (default='')\n Mode indicating how the file is to be op...
Please provide a description of the function:def cd_previous(self): if self._prev_dir is None or isinstance(self._prev_dir, ROOT.TROOT): return False if isinstance(self._prev_dir, ROOT.TFile): if self._prev_dir.IsOpen() and self._prev_dir.IsWritable(): se...
[ "\n cd to the gDirectory before this file was open.\n " ]
Please provide a description of the function:def Close(self, *args): super(_DirectoryBase, self).Close(*args) return self.cd_previous()
[ "\n Like ROOT's Close but reverts to the gDirectory before this file was\n opened.\n " ]
Please provide a description of the function:def keys(self, latest=False): if latest: keys = {} for key in self.keys(): name = key.GetName() if name in keys: if key.GetCycle() > keys[name].GetCycle(): ke...
[ "\n Return a list of the keys in this directory.\n\n Parameters\n ----------\n\n latest : bool, optional (default=False)\n If True then return a list of keys with unique names where only the\n key with the highest cycle number is included where multiple keys\n ...
Please provide a description of the function:def Get(self, path, rootpy=True, **kwargs): thing = super(_DirectoryBase, self).Get(path) if not thing: raise DoesNotExist # Ensure that the file we took the object from is alive at least as # long as the object being tak...
[ "\n Return the requested object cast as its corresponding subclass in\n rootpy if one exists and ``rootpy=True``, otherwise return the\n unadulterated TObject.\n " ]
Please provide a description of the function:def GetKey(self, path, cycle=9999, rootpy=True, **kwargs): key = super(_DirectoryBase, self).GetKey(path, cycle) if not key: raise DoesNotExist if rootpy: return asrootpy(key, **kwargs) return key
[ "\n Override TDirectory's GetKey and also handle accessing keys nested\n arbitrarily deep in subdirectories.\n " ]
Please provide a description of the function:def mkdir(self, path, title="", recurse=False): head, tail = os.path.split(os.path.normpath(path)) if tail == "": raise ValueError("invalid directory name: {0}".format(path)) with preserve_current_directory(): dest = s...
[ "\n Make a new directory. If recurse is True, create parent directories\n as required. Return the newly created TDirectory.\n " ]
Please provide a description of the function:def rm(self, path, cycle=';*'): rdir = self with preserve_current_directory(): dirname, objname = os.path.split(os.path.normpath(path)) if dirname: rdir = rdir.Get(dirname) rdir.Delete(objname + cyc...
[ "\n Delete an object at `path` relative to this directory\n " ]
Please provide a description of the function:def copytree(self, dest_dir, src=None, newname=None, exclude=None, overwrite=False): def copy_object(obj, dest, name=None): if name is None: name = obj.GetName() if not overwrite and name in dest: ...
[ "\n Copy this directory or just one contained object into another\n directory.\n\n Parameters\n ----------\n\n dest_dir : string or Directory\n The destination directory.\n\n src : string, optional (default=None)\n If ``src`` is None then this entire d...
Please provide a description of the function:def walk(self, top=None, path=None, depth=0, maxdepth=-1, class_ref=None, class_pattern=None, return_classname=False, treat_dirs_as_objs=False): dirnames,...
[ "\n Walk the directory structure and content in and below a directory.\n For each directory in the directory tree rooted at ``top`` (including\n ``top`` itself, but excluding '.' and '..'), yield a 3-tuple\n ``dirpath, dirnames, filenames``.\n\n Parameters\n ----------\n\n ...
Please provide a description of the function:def _populate_cache(self): self.cache = autovivitree() for path, dirs, objects in self.walk(return_classname=True, treat_dirs_as_objs=True): b = self.cache for d in ['']+path.split...
[ "\n Walk through the whole file and populate the cache\n all objects below the current path are added, i.e.\n for the contents with ina, inb and inab TH1F histograms::\n\n /a/ina\n /b/inb\n /a/b/inab\n\n the cache is (omitting the directories)::\n\n ...
Please provide a description of the function:def find(self, regexp, negate_regexp=False, class_pattern=None, find_fnc=re.search, refresh_cache=False): if refresh_cache or not hasattr(self, 'cache'): self._populate_cache() b = self...
[ "\n yield the full path of the matching regular expression and the\n match itself\n " ]
Please provide a description of the function:def uses_super(func): if isinstance(func, property): return any(uses_super(f) for f in (func.fget, func.fset, func.fdel) if f) elif isinstance(func, (staticmethod, classmethod)): if sys.version_info >= (2, 7): func = func.__func__ ...
[ "\n Check if the function/property/classmethod/staticmethod uses the `super` builtin\n " ]
Please provide a description of the function:def start_new_gui_thread(): PyGUIThread = getattr(ROOT, 'PyGUIThread', None) if PyGUIThread is not None: assert not PyGUIThread.isAlive(), "GUI thread already running!" assert _processRootEvents, ( "GUI thread wasn't started when rootwait w...
[ "\n Attempt to start a new GUI thread, if possible.\n\n It is only possible to start one if there was one running on module import.\n " ]
Please provide a description of the function:def stop_gui_thread(): PyGUIThread = getattr(ROOT, 'PyGUIThread', None) if PyGUIThread is None or not PyGUIThread.isAlive(): log.debug("no existing GUI thread is runnng") return False ROOT.keeppolling = 0 try: PyGUIThread.finish...
[ "\n Try to stop the GUI thread. If it was running returns True,\n otherwise False.\n " ]
Please provide a description of the function:def wait_for_zero_canvases(middle_mouse_close=False): if not __ACTIVE: wait_failover(wait_for_zero_canvases) return @dispatcher def count_canvases(): if not get_visible_canvases(): try: ROOT.gSyst...
[ "\n Wait for all canvases to be closed, or CTRL-c.\n\n If `middle_mouse_close`, middle click will shut the canvas.\n\n incpy.ignore\n ", "\n Count the number of active canvases and finish gApplication.Run()\n if there are none remaining.\n\n incpy.ignore\n ", "\n S...
Please provide a description of the function:def wait_for_frame(frame): if not frame: # It's already closed or maybe we're in batch mode return @dispatcher def close(): ROOT.gSystem.ExitLoop() if not getattr(frame, "_py_close_dispatcher_attached", False): frame._py...
[ "\n wait until a TGMainFrame is closed or ctrl-c\n ", "\n Signal handler for CTRL-c to cause gApplication.Run() to finish.\n\n incpy.ignore\n " ]
Please provide a description of the function:def wait_for_browser_close(b): if b: if not __ACTIVE: wait_failover(wait_for_browser_close) return wait_for_frame(b.GetBrowserImp().GetMainFrame())
[ "\n Can be used to wait until a TBrowser is closed\n " ]
Please provide a description of the function:def log_trace(logger, level=logging.DEBUG, show_enter=True, show_exit=True): def wrap(function): l = logger.getChild(function.__name__).log @wraps(function) def thunk(*args, **kwargs): global trace_depth trace_depth.va...
[ "\n log a statement on function entry and exit\n " ]
Please provide a description of the function:def update(self, pbar): 'Updates the widget to show the ETA or total time when finished.' if pbar.currval == 0: return 'ETA: --:--:--' elif pbar.finished: return 'Time: %s' % self.format_time(pbar.seconds_elapsed) els...
[]
Please provide a description of the function:def update(self, pbar): 'Updates the widget with the current SI prefixed speed.' if pbar.seconds_elapsed < 2e-6 or pbar.currval < 2e-6: # =~ 0 scaled = power = 0 else: scaled, power = self._speed(pbar) return self.fo...
[]
Please provide a description of the function:def log_stack(logger, level=logging.INFO, limit=None, frame=None): if showing_stack.inside: return showing_stack.inside = True try: if frame is None: frame = sys._getframe(1) stack = "".join(traceback.format_stack(frame, l...
[ "\n Display the current stack on ``logger``.\n\n This function is designed to be used during emission of log messages, so it\n won't call itself.\n " ]
Please provide a description of the function:def showdeletion(self, *objects): from ..memory import showdeletion as S for o in objects: S.monitor_object_cleanup(o)
[ "\n Record a stack trace at the point when an ROOT TObject is deleted\n " ]
Please provide a description of the function:def trace(self, level=logging.DEBUG, show_enter=True, show_exit=True): from . import log_trace return log_trace(self, level, show_enter, show_exit)
[ "\n Functions decorated with this function show function entry and exit with\n values, defaults to debug log level.\n\n :param level: log severity to use for function tracing\n :param show_enter: log function entry\n :param show_enter: log function exit\n\n Example use:\n\n...
Please provide a description of the function:def show_stack(self, message_regex="^.*$", min_level=logging.DEBUG, limit=4096, once=True): value = re.compile(message_regex), limit, once, min_level self.show_stack_regexes.append(value)
[ "\n Enable showing the origin of log messages by dumping a stack trace into\n the ``stack`` logger at the :const:``logging.INFO`` severity.\n\n :param message_regex: is a full-line regex which the message must\n satisfy in order to trigger stack dump\n :param min_level: the mi...
Please provide a description of the function:def frame_unique(f): return f.f_code.co_filename, f.f_code.co_name, f.f_lineno
[ "\n A tuple representing a value which is unique to a given frame's line of\n execution\n " ]
Please provide a description of the function:def show_stack_depth(self, record, frame): logger = self depths = [-1] msg = record.getMessage() # For each logger in the hierarchy while logger: to_match = getattr(logger, "show_stack_regexes", ()) f...
[ "\n Compute the maximum stack depth to show requested by any hooks,\n returning -1 if there are none matching, or if we've already emitted\n one for the line of code referred to.\n " ]
Please provide a description of the function:def getChild(self, suffix): if suffix is None: return self if self.root is not self: if suffix.startswith(self.name + "."): # Remove duplicate prefix suffix = suffix[len(self.name + "."):] ...
[ "\n Taken from CPython 2.7, modified to remove duplicate prefix and suffixes\n " ]
Please provide a description of the function:def requires_ROOT(version, exception=False): def decorator(f): @wraps(f) def wrapper(*args, **kwargs): if ROOT_VERSION < version: msg = ("{0} requires at least ROOT {1} " "but you are using {2}".format(...
[ "\n A decorator for functions or methods that require a minimum ROOT version.\n If `exception` is False (the default) a warning is issued and None is\n returned, otherwise a `NotImplementedError` exception is raised.\n `exception` may also be an `Exception` in which case it will be raised\n instead o...
Please provide a description of the function:def method_file_check(f): @wraps(f) def wrapper(self, *args, **kwargs): curr_dir = ROOT.gDirectory if isinstance(curr_dir, ROOT.TROOT) or not curr_dir: raise RuntimeError( "You must first create a File before calling {...
[ "\n A decorator to check that a TFile as been created before f is called.\n This function can decorate methods.\n\n This requires special treatment since in Python 3 unbound methods are\n just functions: http://stackoverflow.com/a/3589335/1002176 but to get\n consistent access to the class in both 2....
Please provide a description of the function:def method_file_cd(f): @wraps(f) def wrapper(self, *args, **kwargs): with preserve_current_directory(): self.GetDirectory().cd() return f(self, *args, **kwargs) return wrapper
[ "\n A decorator to cd back to the original directory where this object was\n created (useful for any calls to TObject.Write).\n This function can decorate methods.\n " ]
Please provide a description of the function:def chainable(f): @wraps(f) def wrapper(self, *args, **kwargs): # perform action f(self, *args, **kwargs) # return reference to class. return self return wrapper
[ "\n Decorator which causes a 'void' function to return self\n\n Allows chaining of multiple modifier class methods.\n " ]
Please provide a description of the function:def camel_to_snake(name): s1 = FIRST_CAP_RE.sub(r'\1_\2', name) return ALL_CAP_RE.sub(r'\1_\2', s1).lower()
[ "\n http://stackoverflow.com/questions/1175208/\n elegant-python-function-to-convert-camelcase-to-camel-case\n " ]