Mercurial > repos > yufei-luo > s_mart
annotate smart_toolShed/SMART/Java/Python/ncList/NCListHandler.py @ 0:e0f8dcca02ed
Uploaded S-MART tool. A toolbox manages RNA-Seq and ChIP-Seq data.
author | yufei-luo |
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date | Thu, 17 Jan 2013 10:52:14 -0500 |
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Uploaded S-MART tool. A toolbox manages RNA-Seq and ChIP-Seq data.
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1 #! /usr/bin/env python |
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2 # |
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3 # Copyright INRA-URGI 2009-2010 |
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4 # |
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5 # This software is governed by the CeCILL license under French law and |
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6 # abiding by the rules of distribution of free software. You can use, |
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7 # modify and/ or redistribute the software under the terms of the CeCILL |
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8 # license as circulated by CEA, CNRS and INRIA at the following URL |
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9 # "http://www.cecill.info". |
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10 # |
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11 # As a counterpart to the access to the source code and rights to copy, |
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12 # modify and redistribute granted by the license, users are provided only |
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13 # with a limited warranty and the software's author, the holder of the |
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14 # economic rights, and the successive licensors have only limited |
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15 # liability. |
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16 # |
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17 # In this respect, the user's attention is drawn to the risks associated |
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18 # with loading, using, modifying and/or developing or reproducing the |
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19 # software by the user in light of its specific status of free software, |
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20 # that may mean that it is complicated to manipulate, and that also |
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21 # therefore means that it is reserved for developers and experienced |
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22 # professionals having in-depth computer knowledge. Users are therefore |
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23 # encouraged to load and test the software's suitability as regards their |
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24 # requirements in conditions enabling the security of their systems and/or |
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25 # data to be ensured and, more generally, to use and operate it in the |
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26 # same conditions as regards security. |
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27 # |
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28 # The fact that you are presently reading this means that you have had |
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29 # knowledge of the CeCILL license and that you accept its terms. |
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30 # |
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31 |
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32 import struct |
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33 try: |
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34 import cPickle as pickle |
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35 except: |
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36 import pickle |
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37 from SMART.Java.Python.ncList.NCList import NCList |
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38 from SMART.Java.Python.ncList.NCIndex import NCIndex |
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39 from SMART.Java.Python.ncList.NCListFilePickle import NCListFileUnpickle |
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40 |
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41 LONG_SIZE = struct.calcsize('l') |
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42 |
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43 INFO_PER_NCLIST = 5 |
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44 H_FILE = 0 |
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45 L_FILE = 1 |
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46 G_FILE = 2 |
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47 FIRST_LIST_SIZE = 3 |
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48 INDEX = 4 |
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49 |
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50 H = 0 |
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51 L = 1 |
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52 T = 2 |
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53 G = 3 |
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54 |
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55 def pack(input): |
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56 return struct.pack("l", long(input)) |
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57 def unpack(input): |
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58 return struct.unpack("l", input)[0] |
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59 |
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60 |
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61 class NCListHandler(object): |
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62 |
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63 def __init__(self, verbosity): |
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64 self._verbosity = verbosity |
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65 self._index = False |
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66 |
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67 def setFileName(self, fileName): |
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68 self._fileName = fileName |
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69 self._handle = open(fileName, "rb") |
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70 |
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71 def loadData(self): |
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72 self._chromosomes = pickle.load(self._handle) |
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73 self._nbElements = 0 |
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74 self._nbElementsPerChromosome = {} |
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75 self._ncLists = {} |
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76 for chromosome in self._chromosomes: |
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77 self._nbElementsPerChromosome[chromosome] = unpack(self._handle.read(LONG_SIZE)) |
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78 self._nbElements += self._nbElementsPerChromosome[chromosome] |
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79 self._headerPos = self._handle.tell() |
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80 for i, chromosome in enumerate(self._chromosomes): |
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81 ncList = NCList(self._verbosity) |
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82 ncList._hHandle = self._handle |
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83 ncList._lHandle = self._handle |
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84 ncList._parser = NCListFileUnpickle(self._fileName) |
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85 self._handle.seek(self._headerPos + i * INFO_PER_NCLIST * LONG_SIZE + H_FILE * LONG_SIZE) |
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86 ncList.setOffset(H, unpack(self._handle.read(LONG_SIZE))) |
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87 self._handle.seek(self._headerPos + i * INFO_PER_NCLIST * LONG_SIZE + L_FILE * LONG_SIZE) |
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88 ncList.setOffset(L, unpack(self._handle.read(LONG_SIZE))) |
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89 self._handle.seek(self._headerPos + i * INFO_PER_NCLIST * LONG_SIZE + G_FILE * LONG_SIZE) |
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90 ncList.setOffset(G, unpack(self._handle.read(LONG_SIZE))) |
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91 self._handle.seek(self._headerPos + i * INFO_PER_NCLIST * LONG_SIZE + FIRST_LIST_SIZE * LONG_SIZE) |
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92 ncList._sizeFirstList = unpack(self._handle.read(LONG_SIZE)) |
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93 self._handle.seek(self._headerPos + i * INFO_PER_NCLIST * LONG_SIZE + INDEX * LONG_SIZE) |
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94 indices = unpack(self._handle.read(LONG_SIZE)) |
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95 if indices != -1: |
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96 self._handle.seek(indices) |
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97 data = pickle.load(self._handle) |
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98 index = NCIndex(self._verbosity) |
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99 index._indices = data |
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100 ncList._index = index |
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101 self._ncLists[chromosome] = ncList |
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102 |
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103 def getChromosomes(self): |
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104 return self._chromosomes |
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105 |
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106 def getNbElements(self): |
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107 return self._nbElements |
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108 |
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109 def getNbElementsPerChromosome(self): |
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110 return self._nbElementsPerChromosome |
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111 |
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112 def getNCLists(self): |
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113 return self._ncLists |
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114 |
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115 def getParser(self, chromosome = None): |
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116 parser = NCListFileUnpickle(self._fileName) |
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117 if chromosome == None: |
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Uploaded S-MART tool. A toolbox manages RNA-Seq and ChIP-Seq data.
yufei-luo
parents:
diff
changeset
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118 parser.setInitAddress(unpack(self._handle, self._headerPos + G_FILE * LONG_SIZE)) |
e0f8dcca02ed
Uploaded S-MART tool. A toolbox manages RNA-Seq and ChIP-Seq data.
yufei-luo
parents:
diff
changeset
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119 return parser |
e0f8dcca02ed
Uploaded S-MART tool. A toolbox manages RNA-Seq and ChIP-Seq data.
yufei-luo
parents:
diff
changeset
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120 i = self._chromosomes.index(chromosome) |
e0f8dcca02ed
Uploaded S-MART tool. A toolbox manages RNA-Seq and ChIP-Seq data.
yufei-luo
parents:
diff
changeset
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121 self._handle.seek(self._headerPos + i * INFO_PER_NCLIST * LONG_SIZE + G_FILE * LONG_SIZE) |
e0f8dcca02ed
Uploaded S-MART tool. A toolbox manages RNA-Seq and ChIP-Seq data.
yufei-luo
parents:
diff
changeset
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122 pos = unpack(self._handle.read(LONG_SIZE)) |
e0f8dcca02ed
Uploaded S-MART tool. A toolbox manages RNA-Seq and ChIP-Seq data.
yufei-luo
parents:
diff
changeset
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123 parser.setInitAddress(pos) |
e0f8dcca02ed
Uploaded S-MART tool. A toolbox manages RNA-Seq and ChIP-Seq data.
yufei-luo
parents:
diff
changeset
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124 parser.setChromosome(chromosome) |
e0f8dcca02ed
Uploaded S-MART tool. A toolbox manages RNA-Seq and ChIP-Seq data.
yufei-luo
parents:
diff
changeset
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125 return parser |