Exemplo n.º 1
0
def cif_stats(path):
    re_atom = re.compile("^(?:ATOM|HETATM)\s+(\d+)\s+.*")

    atom_site_ids = {}
    start_counting_atoms = False
    stats = {"atoms": 0}

    for ln in FileIO.OpenFile(path, "r").readlines():

        if ln.startswith("_atom_site."):
            start_counting_atoms = True

        if not start_counting_atoms:
            continue

        ## count atoms
        m = re_atom.match(ln)
        if m != None:
            stats["atoms"] += 1
            aid = m.group(1)

            if atom_site_ids.has_key(aid):
                print "cif_stats() ERROR: CIF DUPLICATE ID"
                print "cif_stats() [1]", atom_site_ids[aid]
                print "cif_stats() [2]", ln
            else:
                atom_site_ids[aid] = ln

    if stats["atoms"] > 0:
        return stats

    # Assume that we are looking at plain CIF file

    start_counting_atoms = False
    for ln in FileIO.OpenFile(path, "r").readlines():

        if ln.startswith("_atom_site_label"):
            start_counting_atoms = True

        if not start_counting_atoms or ln[0] == "_":
            continue
        fields = ln.split()
        if not fields:
            break

        ## count atoms
        stats["atoms"] += 1
        aid = fields[0]

        if atom_site_ids.has_key(aid):
            print "CIF DUPLICATE ID"
            print "[1]", atom_site_ids[aid]
            print "[2]", ln
            sys.exit(1)
        else:
            atom_site_ids[aid] = ln

    return stats
Exemplo n.º 2
0
def pdb_stats(path):
    re_model = re.compile("^MODEL\s+(\d+).*")
    re_atom = re.compile("^(?:ATOM|HETATM)\s*(\d+).*")

    model = 1
    serial_map = {}
    stats = {"atoms": 0}

    for ln in FileIO.OpenFile(path, "r").readlines():

        ## change model
        m = re_model.match(ln)
        if m != None:
            model = m.group(1)
            continue

        ## count atoms
        m = re_atom.match(ln)
        if m != None:
            stats["atoms"] += 1

            ser = m.group(1)
            ser = "%s-%s" % (ser, model)

            if serial_map.has_key(ser):
                print "pdb_stats() ERROR: PDB DUPLICATE ID"
                print "pdb_stats() [1]", serial_map[ser]
                print "pdb_stats() [2]", ln
            else:
                serial_map[ser] = ln

    return stats
Exemplo n.º 3
0
def cif2html(cif_path, html_path):
    fileobj = FileIO.OpenFile(cif_path, "r")

    cif_file = mmCIF.mmCIFFile()
    print "loading..."
    cif_file.load_file(fileobj)
    print "converting..."
    cif_data = cif_file[0]

    c2h_template = kid.Template(file="cif2html.kid")
    c2h_template.cif = mmCIFDataKid(cif_data)
    c2h_template.write(html_path)