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How to use load_by_file method in lisa

Best Python code snippet using lisa_python

locate_object.py

Source:locate_object.py

...26    """27    if not np.isscalar(snapnum):28        raise TypeError('The input snapnum should be one number,' +29                        ' process subhalos in different snapshots separately.')30    sim.load_by_file('SubLinkOffsets', snapnum, fields = ['SubhaloID'])31    subhaloid = sim.loaded['SubLinkOffsets'32                              + str(snapnum)]['SubhaloID'][subfindid]33    return subhaloid34def chunk_num(subhaloid):35    """ Identifies the chunk of the SubLink tree for given subhalo(s). This36    information is available from the subhaloid alone and does not depend on37    the simulation box.38    Parameters39    ----------40    subhaloid : int or array_like41      The SubhaloID(s) of the subhalos to locate. SubhaloID is the SubLink42      index and is unique throughout all snapshots.43    Returns44    -------45    chunknum : int or array_like46      The SubLink chunk number of the given subhalos. Has same shape as the47      input subhaloid.48    samechunk : bool49      True if all the given subhalos are in the same tree file chunk, False50      otherwise.51    """52    if np.isscalar(subhaloid):53        if subhaloid == -1:54            raise ValueError('SubhaloID cannot be -1.')55        return subhaloid // _sl_chunk_const, True56    chunknum = np.array(subhaloid) // _sl_chunk_const57    if np.any(subhaloid == -1):58        raise ValueError('SubhaloID cannot be -1.')59    samechunk = len(np.unique(chunknum)) == 160    return chunknum, samechunk61def row_in_chunk(subhaloid, sim):62    """ Locates subhalo(s) within a tree file chunk.63    Parameters64    ----------65    subhaloid : int or array_like66      The SubhaloID(s) of the subhalos to locate. SubhaloID is the SubLink67      index and is unique throughout all snapshots.68    sim : class obj69      Instance of the simulation_box.SimulationBox class, which specifies the70      simulation box to work with.71    Returns72    -------73    rownum : int or array_like74      The row indices of the given subhalos in the tree chunk. Has same shape75      as the input subhaloid.76    chunknum : int77      The SubLink chunk number of the given subhalos. Subhalos required to be78      in the same chunk.79    """80    chunknum, samechunk = chunk_num(subhaloid)81    if not samechunk:82        raise ValueError('The subhalos should be in the same tree chunk,' +83                         ' process subhalos in different chunks separately.' +84                         ' Index of the first subhalo in a different chunk ' +85                         'is {}.'.format(np.sort(np.unique(chunknum,86                         return_index = True)[1])[1]))87    if not np.isscalar(chunknum):88        chunknum = chunknum[0]89    sim.load_by_file('SubLink', chunknum, fields = ['SubhaloID'])90    rownum = np.searchsorted(sim.loaded['SubLink' + str(chunknum)]\91                                       ['SubhaloID'],92                             subhaloid)93    if np.any(subhaloid != sim.loaded['SubLink' + str(chunknum)]\94                                     ['SubhaloID'][rownum]):95        raise ValueError('Some of the SubhaloIDs do not exist.')96    return rownum, chunknum97def _chunk_num(subhaloid):98    if np.isscalar(subhaloid):99        return  subhaloid // _sl_chunk_const100    return subhaloid[0] // _sl_chunk_const101def _row_in_chunk(subhaloid, sim):102    chunknum = _chunk_num(subhaloid)103    sim.load_by_file('SubLink', chunknum, fields = ['SubhaloID'])104    rownum = np.searchsorted(sim.loaded['SubLink' + str(chunknum)]\105                                       ['SubhaloID'],106                             subhaloid)107    return rownum, chunknum108def subfind_id(subhaloid, sim, internal=False):109    """ Converts subhalo SubhaloID(s) to SubfindID(s) and SnapNum(s).110    Processes any number of subhalos in the same tree chunk.111    Parameters112    ----------113    subhaloid : int or array_like114      The SubhaloID(s) of the subhalos to convert. SubhaloID is the SubLink115      index and is unique throughout all snapshots.116    sim : class obj117      Instance of the simulation_box.SimulationBox class, which specifies the118      simulation box to work with.119    internal : bool120      Whether this function is called internally. User should always leave it121      as False.122    Returns123    -------124    subfindid : int or array_like125      The SubfindID(s) of the given subhalo(s). SubfindID is only unique126      within each snapshot and not throughout the history. Has same shape127      as the input subhaloid.128    snapnum : int or array_like129      The snapshot number(s) of the subhalo(s). Has same shape as the input130      subhaloid.131    """132    if internal:133        rownum, chunknum = _row_in_chunk(subhaloid, sim)134    else:135        rownum, chunknum = row_in_chunk(subhaloid, sim)136    sim.load_by_file('SubLink', chunknum,137                  fields = ['SubfindID', 'SnapNum'])138    subfindid = sim.loaded['SubLink' + str(chunknum)]['SubfindID'][rownum]139    snapnum = sim.loaded['SubLink' + str(chunknum)]['SnapNum'][rownum]140    return subfindid, snapnum141def subfind_central(groupnum, snapnum, sim):142    """ Finds the SubfindID of the primary (most massive) subhalo in a143    given FOF group. Processes any number of groups in the same snapshot.144    Parameters145    ----------146    groupnum : int or array_like147      The group number(s) to find the primary subhalo(s) for. Group number148      is the index of the FOF group in the group catalog. The group number149      is only unique within each snapshot and not throughout the history.150    snapnum : int151      The snapshot number that contains the group(s). Should be one number.152    sim : class obj153      Instance of the simulation_box.SimulationBox class, which specifies154      the simulation box to work with.155    Returns156    -------157    central : int or array_like158      The SubfindID(s) of primary subhalo(s) of the given groups. Has same159      shape as the input groupnum. The SubfindID is only unique within160      each snapshot and not throughout the history.161    """162    if not np.isscalar(snapnum):163        raise TypeError('The input snapnum should be one number.')164    sim.load_by_file('Group', snapnum, fields = ['GroupFirstSub'])165    central = sim.loaded['Group'166                            + str(snapnum)]['GroupFirstSub'][groupnum]167    return central168def group_num(subhaloid, sim, internal=False):169    """ Identifies the index(es) of the halo(s) hosting the input subhalo(s)170    given the SubhaloID(s) and snapshot. Processes any number of subhalos in171    the same tree chunk.172    Parameters173    ----------174    subhaloid : int or array_like175      The SubhaloID(s) of the subhalos to find group numbers for. SubhaloID176      is the ID assigned by SubLink and is unique throughout all snapshots.177    sim : class obj178      Instance of the simulation_box.SimulationBox class, which specifies179      the simulation box to work with.180    internal : bool181      Whether this function is called internally. User should always leave it182      as False.183    Returns184    -------185    groupnum : int or array_like186      The SubhaloGrNr(s) of the given subhalos. Has same shape as the input187      subhaloid. SubhaloGrNr is the index of the halo in the group catalog.188    snapnum : int189      The snapshot number that contains the subhalo(s). Should be one number.190    """191    if internal:192        rownum, chunknum = _row_in_chunk(subhaloid, sim)193    else:194        rownum, chunknum = row_in_chunk(subhaloid, sim)195    sim.load_by_file('SubLink', chunknum,196                     fields = ['SubhaloGrNr', 'SnapNum'])197    groupnum = sim.loaded['SubLink' + str(chunknum)]['SubhaloGrNr'][rownum]198    snapnum = sim.loaded['SubLink' + str(chunknum)]['SnapNum'][rownum]199    return groupnum, snapnum200def is_subfind_central(subhaloid, sim):201    """202    """203    rownum, chunknum = row_in_chunk(subhaloid, sim)204    sim.load_by_file('SubLink', chunknum,205                     fields = ['SubfindID', 'GroupFirstSub'])206    subfindid = sim.loaded['SubLink' + str(chunknum)]['SubfindID'][rownum]207    subfindcen = sim.loaded['SubLink' + str(chunknum)]['GroupFirstSub'][rownum]208    return subfindid == subfindcen209def is_sublink_central():210    """211    """212    rownum, chunknum = row_in_chunk(subhaloid, sim)213    sim.load_by_file('SubLink', chunknum,214                     fields = ['SubhaloID', 'FirstSubhaloInFOFGroupID'])215    subhaloid = sim.loaded['SubLink' + str(chunknum)]['SubhaloID'][rownum]216    sublinkcen = sim.loaded['SubLink' + str(chunknum)]\217                           ['FirstSubhaloInFOFGroupID'][rownum]...

datasetLoader.py

Source:datasetLoader.py

...32            )33        )34        return df35    # ãã¼ã¿èªã¿è¾¼ã¿å¦ç36    def load_by_file(self, in_FilePath):37        """SQLãã¡ã¤ã«ãå®è¡ããdfã«å¥ãã38        Parameters39        ----------40        in_FilePath : ãã¡ã¤ã«ãã¹41        Returns42        -------43        df : pandasã®dataframeãè¿ã44        Examples45        --------46        >>> import datasetLoader47        >>> dataset_loader = datasetLoader()48        >>> df = dataset_loader.load_by_file( "./test.sql" )49        """50        whole_dataset = []51        lines = self.__filePathToLines(in_FilePath)52        whole_dataset = self.__sqlToDataframe(lines)53        return whole_dataset54    # ãã¼ã¿èªã¿è¾¼ã¿å¦ç55    def load(self, lines):56        """SQLãå®è¡ããdfã«å¥ãã57        Parameters58        ----------59        lines : SQLæ60        Returns61        -------62        df : pandasã®dataframeãè¿ã...

collect_git.py

Source:collect_git.py

...12        sys.exit(2)13    for opt, arg in opts:14        print((opt, arg))15        if opt == "-f":16            load_by_file(arg, update)17            sys.exit()18        elif opt == "-u":19            load_by_URL(arg, update)20        elif opt == "-g":21            load_by_org(arg, update)22def load_by_file(filePath, update=False):23    urls = open(filePath, "r")24    for url in urls:25        loader.get_repo(url, "remote", update)26def load_by_URL(url, update=False):27    loader.get_repo(url, "remote", update)28def load_by_org(org_name, update=False):29    loader.get_org_repos(org_name)30if __name__ == "__main__":...

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