1 |
""" |
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2 |
Module to handle Scintec sodar .mnd files. |
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3 |
|
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4 |
>>> from sodar.scintec import maindata |
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5 |
""" |
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6 |
|
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7 |
__author__ = 'Chris Calloway' |
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8 |
__email__ = 'cbc@chriscalloway.org' |
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9 |
__copyright__ = 'Copyright 2009 UNC-CH Department of Marine Science' |
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10 |
__license__ = 'GPL2' |
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11 |
|
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12 |
from datetime import datetime, timedelta |
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13 |
|
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14 |
class MainData(list): |
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15 |
""" |
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16 |
Contain data from a Scintec sodar .mnd file. |
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17 |
|
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18 |
The data is contained as a list of Profile objects |
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19 |
along with some attributes which apply to all the Profile objects. |
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20 |
|
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Parse a known good .mnd file: |
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22 |
>>> main_data = MainData(good_mnd) |
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23 |
|
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Parse the profile data: |
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25 |
>>> len(main_data) |
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26 |
48 |
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27 |
|
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Parse the first profile: |
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29 |
>>> len(main_data[0]) |
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30 |
39 |
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31 |
>>> main_data[0].start |
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32 |
datetime.datetime(2009, 11, 17, 0, 0) |
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33 |
>>> main_data[0].stop |
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datetime.datetime(2009, 11, 17, 0, 30) |
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35 |
>>> main_data[0].variables |
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['z', 'speed', 'dir', 'W', 'sigW', 'bck', 'error'] |
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>>> main_data[0][0] == {'z':'10', 'speed':'99.99', 'dir':'999.9', |
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... 'W':'-0.05', 'sigW':'0.40', 'bck':'5.46E+03', |
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... 'error':'0'} |
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True |
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41 |
>>> main_data[0][0].z |
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'10' |
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>>> main_data[0]['10'] == {'z':'10', 'speed':'99.99', 'dir':'999.9', |
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... 'W':'-0.05', 'sigW':'0.40', 'bck':'5.46E+03', |
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... 'error':'0'} |
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True |
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>>> main_data[0]['10'].speed |
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'99.99' |
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>>> main_data[0][-1] == {'z':'200', 'speed':'99.99', 'dir':'999.9', |
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... 'W':'-0.07', 'sigW':'99.99', 'bck':'9.99E+37', |
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... 'error':'0'} |
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True |
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>>> main_data[0][-1].dir |
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'999.9' |
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>>> main_data[0]['200'] == {'z':'200', 'speed':'99.99', 'dir':'999.9', |
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... 'W':'-0.07', 'sigW':'99.99', 'bck':'9.99E+37', |
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... 'error':'0'} |
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True |
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>>> main_data[0]['200'].W |
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'-0.07' |
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61 |
|
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Parse the last profile: |
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>>> len(main_data[-1]) |
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39 |
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65 |
>>> main_data[-1].start |
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datetime.datetime(2009, 11, 17, 23, 30) |
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>>> main_data[-1].stop |
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datetime.datetime(2009, 11, 18, 0, 0) |
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>>> main_data[-1].variables |
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['z', 'speed', 'dir', 'W', 'sigW', 'bck', 'error'] |
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>>> main_data[-1][0] == {'z':'10', 'speed':'99.99', 'dir':'999.9', |
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... 'W':'-0.32', 'sigW':'99.99', 'bck':'9.99E+37', |
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... 'error':'0'} |
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True |
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>>> main_data[-1][-1] == {'z':'200', 'speed':'15.05', 'dir':'71.8', |
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... 'W':'-0.19', 'sigW':'0.53', 'bck':'9.99E+37', |
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... 'error':'0'} |
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True |
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79 |
""" |
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80 |
|
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def __init__(self, mnd, *args): |
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""" |
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Parse main daily Scintec sodar .mnd file. |
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84 |
|
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MainData(mnd[,file_name[,file_path]]) -> <MainData object> |
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|
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Where: |
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|
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mnd is a str object containing the complete contents read from a |
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Scintec .mnd daily sodar file including all line endings, |
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|
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file_name is an optional str object representing a file name for |
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a file which contains the referenced .mnd daily sodar file, |
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|
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file_path is an optional str object representing the path to |
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file_name. |
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|
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Parse a known good .mnd file: |
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|
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>>> main_data = MainData(good_mnd) |
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>>> main_data = MainData(good_mnd,good_name) |
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>>> main_data.file_name == good_name |
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True |
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>>> main_data = MainData(good_mnd,good_name,good_path) |
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>>> main_data.file_name == good_name |
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True |
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>>> main_data.file_path == good_path |
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True |
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""" |
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110 |
|
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super(self.__class__, self).__init__() |
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112 |
|
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self.file_name = '' |
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self.file_path = '' |
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|
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# Optional args: smoke 'em if ya got 'em. |
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try: |
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self.file_name = str(args[0]) |
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self.file_path = str(args[1]) |
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except IndexError: |
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pass |
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|
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# Divide the data into blocks |
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# across boundaries separated by blank lines. |
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blocks = [block.strip() |
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for block |
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in mnd.split('\n\n') |
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if block.strip()] |
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|
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# The first block is the specification of the format header. |
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# Divide it into lines. |
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format_header_spec = [line.strip() |
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for line |
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in blocks[0].split('\n') |
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if line.strip()] |
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|
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# The second block is the body of the format header. |
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# Divide it into lines. |
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file_header_body = [line.strip() |
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for line |
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in blocks[1].split('\n') |
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if line.strip()] |
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|
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# All the remaing blocks are individual profiles |
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# in chronological order. |
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self.extend([Profile([line.strip() |
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for line |
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in block.split('\n') |
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if line.strip()]) |
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for block |
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in blocks[2:]]) |
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|
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|
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class Profile(list): |
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""" |
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Contain data for single profile from a Scintec sodar .mnd file. |
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|
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The data is contained as a list of Observation objects |
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along with some attributes which apply to all the Profile objects. |
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160 |
|
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Parse a known good profile block: |
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>>> profile = Profile(good_profile) |
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|
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Access the timestamp attributes: |
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>>> profile.start |
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datetime.datetime(2009, 11, 17, 0, 0) |
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>>> profile.stop |
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datetime.datetime(2009, 11, 17, 0, 30) |
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|
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Access the variable list: |
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>>> profile.variables |
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['z', 'speed', 'dir', 'W', 'sigW', 'bck', 'error'] |
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|
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Access profiles by sequence number and variables by attribute name: |
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>>> profile[0] == {'z':'10', 'speed':'99.99', 'dir':'999.9', |
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... 'W':'-0.05', 'sigW':'0.40', 'bck':'5.46E+03', |
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177 |
... 'error':'0'} |
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True |
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>>> profile[0].z |
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'10' |
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>>> profile[-1] == {'z':'200', 'speed':'99.99', 'dir':'999.9', |
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... 'W':'-0.07', 'sigW':'99.99', 'bck':'9.99E+37', |
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... 'error':'0'} |
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True |
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185 |
>>> profile[-1].speed |
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'99.99' |
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187 |
|
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Access profiles by elevation and variables by attribute name: |
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>>> profile['10'] == {'z':'10', 'speed':'99.99', 'dir':'999.9', |
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... 'W':'-0.05', 'sigW':'0.40', 'bck':'5.46E+03', |
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191 |
... 'error':'0'} |
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True |
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>>> profile['10'].dir |
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'999.9' |
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195 |
>>> profile['200'] == {'z':'200', 'speed':'99.99', 'dir':'999.9', |
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... 'W':'-0.07', 'sigW':'99.99', 'bck':'9.99E+37', |
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197 |
... 'error':'0'} |
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198 |
True |
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199 |
>>> profile['200'].W |
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'-0.07' |
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201 |
""" |
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202 |
|
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203 |
def __init__(self, profile_block): |
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""" |
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205 |
Parse a profile block from a main daily Scintec sodar .mnd file. |
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206 |
|
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207 |
Profile(profile_data) -> <Profile object> |
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208 |
|
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209 |
Where: |
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210 |
|
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211 |
profile_block is a list of str objects containing all the lines |
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212 |
from a single profile in a Scintec .mnd daily sodar file. |
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213 |
|
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Parse a known good profile block: |
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215 |
>>> profile = Profile(good_profile) |
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216 |
|
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Access the timestamp attributes: |
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218 |
>>> profile.start |
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datetime.datetime(2009, 11, 17, 0, 0) |
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220 |
>>> profile.stop |
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221 |
datetime.datetime(2009, 11, 17, 0, 30) |
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222 |
|
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223 |
Access the variable list: |
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224 |
>>> profile.variables |
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['z', 'speed', 'dir', 'W', 'sigW', 'bck', 'error'] |
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226 |
|
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227 |
Access profiles by sequence number and variables by attribute name: |
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228 |
>>> profile[0] == {'z':'10', 'speed':'99.99', 'dir':'999.9', |
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229 |
... 'W':'-0.05', 'sigW':'0.40', 'bck':'5.46E+03', |
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230 |
... 'error':'0'} |
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231 |
True |
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232 |
>>> profile[0].z |
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233 |
'10' |
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234 |
>>> profile[-1] == {'z':'200', 'speed':'99.99', 'dir':'999.9', |
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235 |
... 'W':'-0.07', 'sigW':'99.99', 'bck':'9.99E+37', |
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236 |
... 'error':'0'} |
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237 |
True |
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238 |
>>> profile[-1].speed |
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239 |
'99.99' |
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240 |
""" |
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241 |
|
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242 |
super(self.__class__, self).__init__() |
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243 |
|
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244 |
# The first line in the profile block is the timestamp. |
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245 |
timestamp = profile_block[0] |
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246 |
date, stop, duration = timestamp.split() |
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247 |
date_year, date_month, date_day = date.split('-') |
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248 |
stop_hour, stop_minute, stop_second = stop.split(':') |
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249 |
duration_hour, duration_minute, duration_second = duration.split(':') |
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250 |
interval = timedelta(0, # days |
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251 |
int(duration_second), |
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252 |
0, # microseconds |
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253 |
0, # milliseconds |
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254 |
int(duration_minute), |
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255 |
int(duration_hour)) # omit optional weeks |
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256 |
self.stop = datetime(int(date_year), |
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257 |
int(date_month), |
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258 |
int(date_day), |
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259 |
int(stop_hour), |
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260 |
int(stop_minute), # omit optional microseconds |
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261 |
int(stop_second)) # and tzinfo |
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262 |
self.start = self.stop - interval |
---|
263 |
|
---|
264 |
# The second line in the profile block is |
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265 |
# a commented list of variable names |
---|
266 |
self.variables = profile_block[1].split()[1:] |
---|
267 |
|
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268 |
# All the remaining lines in the profile block are |
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269 |
# individual obervation columns in the same order |
---|
270 |
# as the variable names. |
---|
271 |
super(self.__class__, self).extend([Observation(observation.split(), |
---|
272 |
self.variables) |
---|
273 |
for observation |
---|
274 |
in profile_block[2:]]) |
---|
275 |
|
---|
276 |
def __getitem__(self,key): |
---|
277 |
""" |
---|
278 |
Get a profile by elevation. |
---|
279 |
|
---|
280 |
profile_instance[elevation] -> <Observation object> |
---|
281 |
|
---|
282 |
Where: |
---|
283 |
|
---|
284 |
elevation is a str object object representing the elevation |
---|
285 |
(value keyed by 'z') of the Observation object. |
---|
286 |
|
---|
287 |
Access profiles by elevation and variables by attribute name: |
---|
288 |
>>> profile = Profile(good_profile) |
---|
289 |
>>> profile['10'] == {'z':'10', 'speed':'99.99', 'dir':'999.9', |
---|
290 |
... 'W':'-0.05', 'sigW':'0.40', 'bck':'5.46E+03', |
---|
291 |
... 'error':'0'} |
---|
292 |
True |
---|
293 |
>>> profile['10'].dir |
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294 |
'999.9' |
---|
295 |
>>> profile['200'] == {'z':'200', 'speed':'99.99', 'dir':'999.9', |
---|
296 |
... 'W':'-0.07', 'sigW':'99.99', 'bck':'9.99E+37', |
---|
297 |
... 'error':'0'} |
---|
298 |
True |
---|
299 |
>>> profile['200'].W |
---|
300 |
'-0.07' |
---|
301 |
""" |
---|
302 |
|
---|
303 |
try: |
---|
304 |
return super(self.__class__, self).__getitem__(key) |
---|
305 |
except TypeError: |
---|
306 |
for observation in self: |
---|
307 |
if observation['z'] == key: |
---|
308 |
return observation |
---|
309 |
return super(self.__class__, self).__getitem__(key) |
---|
310 |
|
---|
311 |
def __setitem__(self,key,value): |
---|
312 |
""" |
---|
313 |
Protect items. |
---|
314 |
|
---|
315 |
profile_instance[object1] = object2 |
---|
316 |
|
---|
317 |
Raise an Exception if attempting to mutate a profile: |
---|
318 |
>>> profile = Profile(good_profile) |
---|
319 |
>>> profile[0] = 'OK' |
---|
320 |
Traceback (most recent call last): |
---|
321 |
... |
---|
322 |
TypeError: 'Profile' instance's items are read-only |
---|
323 |
>>> profile['10'] = 'OK' |
---|
324 |
Traceback (most recent call last): |
---|
325 |
... |
---|
326 |
TypeError: 'Profile' instance's items are read-only |
---|
327 |
>>> profile[100000] = 'OK' |
---|
328 |
Traceback (most recent call last): |
---|
329 |
... |
---|
330 |
TypeError: 'Profile' instance's items are read-only |
---|
331 |
>>> profile[100000] |
---|
332 |
Traceback (most recent call last): |
---|
333 |
... |
---|
334 |
IndexError: list index out of range |
---|
335 |
>>> profile['100000'] = 'OK' |
---|
336 |
Traceback (most recent call last): |
---|
337 |
... |
---|
338 |
TypeError: 'Profile' instance's items are read-only |
---|
339 |
>>> profile['100000'] |
---|
340 |
Traceback (most recent call last): |
---|
341 |
... |
---|
342 |
TypeError: list indices must be integers |
---|
343 |
|
---|
344 |
Without affecting the observation: |
---|
345 |
>>> profile[0] == {'z':'10', 'speed':'99.99', 'dir':'999.9', |
---|
346 |
... 'W':'-0.05', 'sigW':'0.40', 'bck':'5.46E+03', |
---|
347 |
... 'error':'0'} |
---|
348 |
True |
---|
349 |
>>> profile['10'] == {'z':'10', 'speed':'99.99', 'dir':'999.9', |
---|
350 |
... 'W':'-0.05', 'sigW':'0.40', 'bck':'5.46E+03', |
---|
351 |
... 'error':'0'} |
---|
352 |
True |
---|
353 |
""" |
---|
354 |
|
---|
355 |
raise TypeError, ' '.join([repr(self.__class__.__name__), |
---|
356 |
'instance\'s items are read-only',]) |
---|
357 |
|
---|
358 |
def __delitem__(self,key): |
---|
359 |
""" |
---|
360 |
Protect items. |
---|
361 |
|
---|
362 |
del profile_instance[object] |
---|
363 |
|
---|
364 |
Raise an Exception if attempting to mutate a profile: |
---|
365 |
>>> profile = Profile(good_profile) |
---|
366 |
>>> del profile[0] |
---|
367 |
Traceback (most recent call last): |
---|
368 |
... |
---|
369 |
TypeError: 'Profile' instance's items are read-only |
---|
370 |
>>> del profile['10'] |
---|
371 |
Traceback (most recent call last): |
---|
372 |
... |
---|
373 |
TypeError: 'Profile' instance's items are read-only |
---|
374 |
>>> del profile[100000] |
---|
375 |
Traceback (most recent call last): |
---|
376 |
... |
---|
377 |
TypeError: 'Profile' instance's items are read-only |
---|
378 |
>>> del profile['100000'] |
---|
379 |
Traceback (most recent call last): |
---|
380 |
... |
---|
381 |
TypeError: 'Profile' instance's items are read-only |
---|
382 |
|
---|
383 |
Without affecting the observation: |
---|
384 |
>>> profile[0] == {'z':'10', 'speed':'99.99', 'dir':'999.9', |
---|
385 |
... 'W':'-0.05', 'sigW':'0.40', 'bck':'5.46E+03', |
---|
386 |
... 'error':'0'} |
---|
387 |
True |
---|
388 |
>>> profile['10'] == {'z':'10', 'speed':'99.99', 'dir':'999.9', |
---|
389 |
... 'W':'-0.05', 'sigW':'0.40', 'bck':'5.46E+03', |
---|
390 |
... 'error':'0'} |
---|
391 |
True |
---|
392 |
""" |
---|
393 |
|
---|
394 |
raise TypeError, ' '.join([repr(self.__class__.__name__), |
---|
395 |
'instance\'s items are read-only',]) |
---|
396 |
|
---|
397 |
def __setslice__(self,i,j,seq): |
---|
398 |
""" |
---|
399 |
Protect items. |
---|
400 |
|
---|
401 |
profile_instance[i:j] = seq |
---|
402 |
|
---|
403 |
Raise an Exception if attempting to mutate a profile: |
---|
404 |
>>> profile = Profile(good_profile) |
---|
405 |
>>> profile[0:10] = 'OK' |
---|
406 |
Traceback (most recent call last): |
---|
407 |
... |
---|
408 |
TypeError: 'Profile' instance's items are read-only |
---|
409 |
|
---|
410 |
Without affecting the observations: |
---|
411 |
>>> profile[0] == {'z':'10', 'speed':'99.99', 'dir':'999.9', |
---|
412 |
... 'W':'-0.05', 'sigW':'0.40', 'bck':'5.46E+03', |
---|
413 |
... 'error':'0'} |
---|
414 |
True |
---|
415 |
>>> profile['10'] == {'z':'10', 'speed':'99.99', 'dir':'999.9', |
---|
416 |
... 'W':'-0.05', 'sigW':'0.40', 'bck':'5.46E+03', |
---|
417 |
... 'error':'0'} |
---|
418 |
True |
---|
419 |
""" |
---|
420 |
|
---|
421 |
raise TypeError, ' '.join([repr(self.__class__.__name__), |
---|
422 |
'instance\'s items are read-only',]) |
---|
423 |
|
---|
424 |
def __delslice__(self,i,j): |
---|
425 |
""" |
---|
426 |
Protect items. |
---|
427 |
|
---|
428 |
del profile_instance[i:j] |
---|
429 |
|
---|
430 |
Raise an Exception if attempting to mutate a profile: |
---|
431 |
>>> profile = Profile(good_profile) |
---|
432 |
>>> del profile[0:10] |
---|
433 |
Traceback (most recent call last): |
---|
434 |
... |
---|
435 |
TypeError: 'Profile' instance's items are read-only |
---|
436 |
|
---|
437 |
Without affecting the observations: |
---|
438 |
>>> profile[0] == {'z':'10', 'speed':'99.99', 'dir':'999.9', |
---|
439 |
... 'W':'-0.05', 'sigW':'0.40', 'bck':'5.46E+03', |
---|
440 |
... 'error':'0'} |
---|
441 |
True |
---|
442 |
>>> profile['10'] == {'z':'10', 'speed':'99.99', 'dir':'999.9', |
---|
443 |
... 'W':'-0.05', 'sigW':'0.40', 'bck':'5.46E+03', |
---|
444 |
... 'error':'0'} |
---|
445 |
True |
---|
446 |
""" |
---|
447 |
|
---|
448 |
raise TypeError, ' '.join([repr(self.__class__.__name__), |
---|
449 |
'instance\'s items are read-only',]) |
---|
450 |
|
---|
451 |
def append(self,item): |
---|
452 |
""" |
---|
453 |
Protect items. |
---|
454 |
|
---|
455 |
Raise an Exception if attempting to mutate a profile: |
---|
456 |
>>> profile = Profile(good_profile) |
---|
457 |
>>> profile.append('OK') |
---|
458 |
Traceback (most recent call last): |
---|
459 |
... |
---|
460 |
TypeError: 'Profile' instance's items are read-only |
---|
461 |
|
---|
462 |
Without affecting the observations: |
---|
463 |
>>> profile[0] == {'z':'10', 'speed':'99.99', 'dir':'999.9', |
---|
464 |
... 'W':'-0.05', 'sigW':'0.40', 'bck':'5.46E+03', |
---|
465 |
... 'error':'0'} |
---|
466 |
True |
---|
467 |
""" |
---|
468 |
|
---|
469 |
raise TypeError, ' '.join([repr(self.__class__.__name__), |
---|
470 |
'instance\'s items are read-only',]) |
---|
471 |
|
---|
472 |
def extend(self,seq): |
---|
473 |
""" |
---|
474 |
Protect items. |
---|
475 |
|
---|
476 |
Raise an Exception if attempting to mutate a profile: |
---|
477 |
>>> profile = Profile(good_profile) |
---|
478 |
>>> profile.extend('OK') |
---|
479 |
Traceback (most recent call last): |
---|
480 |
... |
---|
481 |
TypeError: 'Profile' instance's items are read-only |
---|
482 |
|
---|
483 |
Without affecting the observations: |
---|
484 |
>>> profile[0] == {'z':'10', 'speed':'99.99', 'dir':'999.9', |
---|
485 |
... 'W':'-0.05', 'sigW':'0.40', 'bck':'5.46E+03', |
---|
486 |
... 'error':'0'} |
---|
487 |
True |
---|
488 |
""" |
---|
489 |
|
---|
490 |
raise TypeError, ' '.join([repr(self.__class__.__name__), |
---|
491 |
'instance\'s items are read-only',]) |
---|
492 |
|
---|
493 |
def insert(self,i,item): |
---|
494 |
""" |
---|
495 |
Protect items. |
---|
496 |
|
---|
497 |
Raise an Exception if attempting to mutate a profile: |
---|
498 |
>>> profile = Profile(good_profile) |
---|
499 |
>>> profile.insert(0,'OK') |
---|
500 |
Traceback (most recent call last): |
---|
501 |
... |
---|
502 |
TypeError: 'Profile' instance's items are read-only |
---|
503 |
|
---|
504 |
Without affecting the observations: |
---|
505 |
>>> profile[0] == {'z':'10', 'speed':'99.99', 'dir':'999.9', |
---|
506 |
... 'W':'-0.05', 'sigW':'0.40', 'bck':'5.46E+03', |
---|
507 |
... 'error':'0'} |
---|
508 |
True |
---|
509 |
""" |
---|
510 |
|
---|
511 |
raise TypeError, ' '.join([repr(self.__class__.__name__), |
---|
512 |
'instance\'s items are read-only',]) |
---|
513 |
|
---|
514 |
def pop(self,*args): |
---|
515 |
""" |
---|
516 |
Protect items. |
---|
517 |
|
---|
518 |
Raise an Exception if attempting to mutate a profile: |
---|
519 |
>>> profile = Profile(good_profile) |
---|
520 |
>>> profile.pop() |
---|
521 |
Traceback (most recent call last): |
---|
522 |
... |
---|
523 |
TypeError: 'Profile' instance's items are read-only |
---|
524 |
>>> profile.pop(0) |
---|
525 |
Traceback (most recent call last): |
---|
526 |
... |
---|
527 |
TypeError: 'Profile' instance's items are read-only |
---|
528 |
|
---|
529 |
Without affecting the observations: |
---|
530 |
>>> profile[0] == {'z':'10', 'speed':'99.99', 'dir':'999.9', |
---|
531 |
... 'W':'-0.05', 'sigW':'0.40', 'bck':'5.46E+03', |
---|
532 |
... 'error':'0'} |
---|
533 |
True |
---|
534 |
>>> profile[-1] == {'z':'200', 'speed':'99.99', 'dir':'999.9', |
---|
535 |
... 'W':'-0.07', 'sigW':'99.99', 'bck':'9.99E+37', |
---|
536 |
... 'error':'0'} |
---|
537 |
True |
---|
538 |
""" |
---|
539 |
|
---|
540 |
raise TypeError, ' '.join([repr(self.__class__.__name__), |
---|
541 |
'instance\'s items are read-only',]) |
---|
542 |
|
---|
543 |
def remove(self,i): |
---|
544 |
""" |
---|
545 |
Protect items. |
---|
546 |
|
---|
547 |
Raise an Exception if attempting to mutate a profile: |
---|
548 |
>>> profile = Profile(good_profile) |
---|
549 |
>>> observation = profile[0] |
---|
550 |
>>> profile.remove(observation) |
---|
551 |
Traceback (most recent call last): |
---|
552 |
... |
---|
553 |
TypeError: 'Profile' instance's items are read-only |
---|
554 |
|
---|
555 |
Without affecting the observations: |
---|
556 |
>>> profile[0] == {'z':'10', 'speed':'99.99', 'dir':'999.9', |
---|
557 |
... 'W':'-0.05', 'sigW':'0.40', 'bck':'5.46E+03', |
---|
558 |
... 'error':'0'} |
---|
559 |
True |
---|
560 |
""" |
---|
561 |
|
---|
562 |
raise TypeError, ' '.join([repr(self.__class__.__name__), |
---|
563 |
'instance\'s items are read-only',]) |
---|
564 |
|
---|
565 |
def reverse(self): |
---|
566 |
""" |
---|
567 |
Protect items. |
---|
568 |
|
---|
569 |
Raise an Exception if attempting to mutate a profile: |
---|
570 |
>>> profile = Profile(good_profile) |
---|
571 |
>>> profile.reverse() |
---|
572 |
Traceback (most recent call last): |
---|
573 |
... |
---|
574 |
TypeError: 'Profile' instance's items are read-only |
---|
575 |
|
---|
576 |
Without affecting the observations: |
---|
577 |
>>> profile[0] == {'z':'10', 'speed':'99.99', 'dir':'999.9', |
---|
578 |
... 'W':'-0.05', 'sigW':'0.40', 'bck':'5.46E+03', |
---|
579 |
... 'error':'0'} |
---|
580 |
True |
---|
581 |
""" |
---|
582 |
|
---|
583 |
raise TypeError, ' '.join([repr(self.__class__.__name__), |
---|
584 |
'instance\'s items are read-only',]) |
---|
585 |
|
---|
586 |
def sort(self,**kwargs): |
---|
587 |
""" |
---|
588 |
Protect items. |
---|
589 |
|
---|
590 |
Raise an Exception if attempting to mutate a profile: |
---|
591 |
>>> profile = Profile(good_profile) |
---|
592 |
>>> profile.sort() |
---|
593 |
Traceback (most recent call last): |
---|
594 |
... |
---|
595 |
TypeError: 'Profile' instance's items are read-only |
---|
596 |
>>> profile.sort(cmp=lambda x,y: cmp(x.lower(), y.lower())) |
---|
597 |
Traceback (most recent call last): |
---|
598 |
... |
---|
599 |
TypeError: 'Profile' instance's items are read-only |
---|
600 |
>>> profile.sort(cmp=lambda x,y: cmp(x.lower(), y.lower()), |
---|
601 |
... key=str.lower) |
---|
602 |
Traceback (most recent call last): |
---|
603 |
... |
---|
604 |
TypeError: 'Profile' instance's items are read-only |
---|
605 |
>>> profile.sort(cmp=lambda x,y: cmp(x.lower(), y.lower()), |
---|
606 |
... key=str.lower, |
---|
607 |
... reverse=True) |
---|
608 |
Traceback (most recent call last): |
---|
609 |
... |
---|
610 |
TypeError: 'Profile' instance's items are read-only |
---|
611 |
|
---|
612 |
|
---|
613 |
Without affecting the observations: |
---|
614 |
>>> profile[0] == {'z':'10', 'speed':'99.99', 'dir':'999.9', |
---|
615 |
... 'W':'-0.05', 'sigW':'0.40', 'bck':'5.46E+03', |
---|
616 |
... 'error':'0'} |
---|
617 |
True |
---|
618 |
""" |
---|
619 |
|
---|
620 |
raise TypeError, ' '.join([repr(self.__class__.__name__), |
---|
621 |
'instance\'s items are read-only',]) |
---|
622 |
|
---|
623 |
class Observation(dict): |
---|
624 |
""" |
---|
625 |
Contain data for single observation from a Scintec sodar .mnd files. |
---|
626 |
|
---|
627 |
The data is contained as a dictionary of variable name/value pairs. |
---|
628 |
|
---|
629 |
The variable values may also be accessed as attributes of the instance. |
---|
630 |
|
---|
631 |
Parse a known good observation: |
---|
632 |
>>> observation = Observation(good_observation,good_variables) |
---|
633 |
>>> observation == {'z':'10', 'speed':'99.99', 'dir':'999.9', |
---|
634 |
... 'W':'-0.05', 'sigW':'0.40', 'bck':'5.46E+03', |
---|
635 |
... 'error':'0'} |
---|
636 |
True |
---|
637 |
|
---|
638 |
Access observation variables as attributes: |
---|
639 |
>>> observation.z |
---|
640 |
'10' |
---|
641 |
>>> observation.speed |
---|
642 |
'99.99' |
---|
643 |
>>> observation.dir |
---|
644 |
'999.9' |
---|
645 |
>>> observation.W |
---|
646 |
'-0.05' |
---|
647 |
>>> observation.sigW |
---|
648 |
'0.40' |
---|
649 |
>>> observation.bck |
---|
650 |
'5.46E+03' |
---|
651 |
>>> observation.error |
---|
652 |
'0' |
---|
653 |
""" |
---|
654 |
|
---|
655 |
def __init__(self,data,variables): |
---|
656 |
""" |
---|
657 |
Parse an observation from a main daily Scintec sodar .mnd file. |
---|
658 |
|
---|
659 |
Observation(data,variables) -> <Observation object> |
---|
660 |
|
---|
661 |
Where: |
---|
662 |
|
---|
663 |
data is a list of str object representing variable values, |
---|
664 |
|
---|
665 |
variables is a list of str objects representing variable labels. |
---|
666 |
|
---|
667 |
Parse a known good observation: |
---|
668 |
>>> observation = Observation(good_observation,good_variables) |
---|
669 |
>>> observation == {'z':'10', 'speed':'99.99', 'dir':'999.9', |
---|
670 |
... 'W':'-0.05', 'sigW':'0.40', 'bck':'5.46E+03', |
---|
671 |
... 'error':'0'} |
---|
672 |
True |
---|
673 |
|
---|
674 |
Raise an Exception if more variable names than values: |
---|
675 |
>>> extra_variables = good_variables + ['extra'] |
---|
676 |
>>> observation = Observation(good_observation,extra_variables) |
---|
677 |
Traceback (most recent call last): |
---|
678 |
... |
---|
679 |
AttributeError: Same number of attributes and values required in |
---|
680 |
'Observation' object |
---|
681 |
|
---|
682 |
Raise an Exception if more variable values than names: |
---|
683 |
>>> extra_observation = good_observation + ['extra'] |
---|
684 |
>>> observation = Observation(extra_observation,good_variables) |
---|
685 |
Traceback (most recent call last): |
---|
686 |
... |
---|
687 |
AttributeError: Same number of attributes and values required in |
---|
688 |
'Observation' object |
---|
689 |
""" |
---|
690 |
|
---|
691 |
super(self.__class__, self).__init__() |
---|
692 |
|
---|
693 |
if len(variables) == len(data): |
---|
694 |
# And update the dictionary with the variable names/values. |
---|
695 |
super(self.__class__, self).update(dict(zip(variables,data))) |
---|
696 |
else: |
---|
697 |
# Unless there are an unequal number of variable names/values. |
---|
698 |
raise AttributeError, ' '.join(['Same number of attributes', |
---|
699 |
'and values required in', |
---|
700 |
repr(self.__class__.__name__), |
---|
701 |
'object',]) |
---|
702 |
|
---|
703 |
def __getattr__(self,name): |
---|
704 |
""" |
---|
705 |
Get a variable value by name. |
---|
706 |
|
---|
707 |
observation_instance.variable_name -> variable_value |
---|
708 |
|
---|
709 |
Access observation variables as attributes: |
---|
710 |
>>> observation = Observation(good_observation,good_variables) |
---|
711 |
>>> observation.z |
---|
712 |
'10' |
---|
713 |
>>> observation.speed |
---|
714 |
'99.99' |
---|
715 |
>>> observation.dir |
---|
716 |
'999.9' |
---|
717 |
>>> observation.W |
---|
718 |
'-0.05' |
---|
719 |
>>> observation.sigW |
---|
720 |
'0.40' |
---|
721 |
>>> observation.bck |
---|
722 |
'5.46E+03' |
---|
723 |
>>> observation.error |
---|
724 |
'0' |
---|
725 |
|
---|
726 |
Raise an Exception for an undefined attribute: |
---|
727 |
>>> observation.y |
---|
728 |
Traceback (most recent call last): |
---|
729 |
... |
---|
730 |
AttributeError: 'Observation' object has no attribute 'y' |
---|
731 |
|
---|
732 |
Allow the creation and access of attributes other than variables. |
---|
733 |
>>> observation.y = 'OK' |
---|
734 |
>>> observation.y |
---|
735 |
'OK' |
---|
736 |
|
---|
737 |
Without affecting the variables: |
---|
738 |
>>> observation == {'z':'10', 'speed':'99.99', 'dir':'999.9', |
---|
739 |
... 'W':'-0.05', 'sigW':'0.40', 'bck':'5.46E+03', |
---|
740 |
... 'error':'0'} |
---|
741 |
True |
---|
742 |
""" |
---|
743 |
|
---|
744 |
# Attempt attribute access by dictionary key. |
---|
745 |
if name in self: |
---|
746 |
return self[name] |
---|
747 |
else: |
---|
748 |
raise AttributeError, ' '.join([repr(self.__class__.__name__), |
---|
749 |
'object has no attribute', |
---|
750 |
repr(name),]) |
---|
751 |
|
---|
752 |
def __setattr__(self,name,value): |
---|
753 |
""" |
---|
754 |
Protect variable values from overwriting. |
---|
755 |
|
---|
756 |
observation_instance.variable_name = variable_value |
---|
757 |
|
---|
758 |
But retrieve any other bound attribute values. |
---|
759 |
|
---|
760 |
Raise an Exception if attempting to rebind a variable: |
---|
761 |
>>> observation = Observation(good_observation,good_variables) |
---|
762 |
>>> observation.z = 'OK' |
---|
763 |
Traceback (most recent call last): |
---|
764 |
... |
---|
765 |
AttributeError: Rebinding attribute 'z' disallowed in |
---|
766 |
'Observation' object |
---|
767 |
|
---|
768 |
However, allow attributes other than variables to be bound: |
---|
769 |
>>> observation.y = 'OK' |
---|
770 |
>>> observation.y |
---|
771 |
'OK' |
---|
772 |
|
---|
773 |
Without affecting the variables: |
---|
774 |
>>> observation == {'z':'10', 'speed':'99.99', 'dir':'999.9', |
---|
775 |
... 'W':'-0.05', 'sigW':'0.40', 'bck':'5.46E+03', |
---|
776 |
... 'error':'0'} |
---|
777 |
True |
---|
778 |
""" |
---|
779 |
|
---|
780 |
if name in self: |
---|
781 |
# Protect observation variables |
---|
782 |
raise AttributeError, ' '.join(['Rebinding attribute', |
---|
783 |
repr(name), |
---|
784 |
'disallowed in', |
---|
785 |
repr(self.__class__.__name__), |
---|
786 |
'object',]) |
---|
787 |
else: |
---|
788 |
# Otherwise, do it the normal way. |
---|
789 |
super(self.__class__, self).__setattr__(name,value) |
---|
790 |
|
---|
791 |
def __delattr__(self,name): |
---|
792 |
""" |
---|
793 |
Protect variable values from deletion. |
---|
794 |
|
---|
795 |
del observation_instance.variable_name |
---|
796 |
|
---|
797 |
But delete any other bound attribute values. |
---|
798 |
|
---|
799 |
Raise an Exception if attempting to unbind a variable: |
---|
800 |
>>> observation = Observation(good_observation,good_variables) |
---|
801 |
>>> del observation.z |
---|
802 |
Traceback (most recent call last): |
---|
803 |
... |
---|
804 |
AttributeError: Unbinding attribute 'z' disallowed in |
---|
805 |
'Observation' object |
---|
806 |
|
---|
807 |
Raise an Exception for attempting to unbind an undefined attribute: |
---|
808 |
>>> del observation.y |
---|
809 |
Traceback (most recent call last): |
---|
810 |
... |
---|
811 |
AttributeError: 'Observation' object has no attribute 'y' |
---|
812 |
|
---|
813 |
However, allow attributes other than variables to be unbound: |
---|
814 |
>>> observation.y = 'OK' |
---|
815 |
>>> del observation.y |
---|
816 |
>>> del observation.y |
---|
817 |
Traceback (most recent call last): |
---|
818 |
... |
---|
819 |
AttributeError: y |
---|
820 |
|
---|
821 |
Without affecting the variables: |
---|
822 |
>>> observation == {'z':'10', 'speed':'99.99', 'dir':'999.9', |
---|
823 |
... 'W':'-0.05', 'sigW':'0.40', 'bck':'5.46E+03', |
---|
824 |
... 'error':'0'} |
---|
825 |
True |
---|
826 |
""" |
---|
827 |
|
---|
828 |
if name in self: |
---|
829 |
# Protect observation variables |
---|
830 |
raise AttributeError, ' '.join(['Unbinding attribute', |
---|
831 |
repr(name), |
---|
832 |
'disallowed in', |
---|
833 |
repr(self.__class__.__name__), |
---|
834 |
'object',]) |
---|
835 |
else: |
---|
836 |
# Otherwise, do it the normal way. |
---|
837 |
super(self.__class__, self).__delattr__(name) |
---|
838 |
|
---|
839 |
def __setitem__(self,key,value): |
---|
840 |
""" |
---|
841 |
Protect items. |
---|
842 |
|
---|
843 |
observation_instance[variable_name] = variable_value |
---|
844 |
|
---|
845 |
Raise an Exception if attempting to mutate an observation: |
---|
846 |
>>> observation = Observation(good_observation,good_variables) |
---|
847 |
>>> observation['z'] = 'OK' |
---|
848 |
Traceback (most recent call last): |
---|
849 |
... |
---|
850 |
TypeError: 'Observation' instance's items are read-only |
---|
851 |
>>> observation['y'] = 'OK' |
---|
852 |
Traceback (most recent call last): |
---|
853 |
... |
---|
854 |
TypeError: 'Observation' instance's items are read-only |
---|
855 |
>>> observation.y |
---|
856 |
Traceback (most recent call last): |
---|
857 |
... |
---|
858 |
AttributeError: 'Observation' object has no attribute 'y' |
---|
859 |
>>> observation.y = 'OK' |
---|
860 |
>>> observation['y'] = 'Not OK' |
---|
861 |
Traceback (most recent call last): |
---|
862 |
... |
---|
863 |
TypeError: 'Observation' instance's items are read-only |
---|
864 |
>>> observation.y |
---|
865 |
'OK' |
---|
866 |
|
---|
867 |
Without affecting the variables: |
---|
868 |
>>> observation == {'z':'10', 'speed':'99.99', 'dir':'999.9', |
---|
869 |
... 'W':'-0.05', 'sigW':'0.40', 'bck':'5.46E+03', |
---|
870 |
... 'error':'0'} |
---|
871 |
True |
---|
872 |
""" |
---|
873 |
|
---|
874 |
raise TypeError, ' '.join([repr(self.__class__.__name__), |
---|
875 |
'instance\'s items are read-only',]) |
---|
876 |
|
---|
877 |
def __delitem__(self,key): |
---|
878 |
""" |
---|
879 |
Protect items. |
---|
880 |
|
---|
881 |
observation_instance[variable_name] = variable_value |
---|
882 |
|
---|
883 |
Raise an Exception if attempting to mutate an observation: |
---|
884 |
>>> observation = Observation(good_observation,good_variables) |
---|
885 |
>>> del observation['z'] |
---|
886 |
Traceback (most recent call last): |
---|
887 |
... |
---|
888 |
TypeError: 'Observation' instance's items are read-only |
---|
889 |
>>> observation.y = 'OK' |
---|
890 |
>>> del observation['y'] |
---|
891 |
Traceback (most recent call last): |
---|
892 |
... |
---|
893 |
TypeError: 'Observation' instance's items are read-only |
---|
894 |
|
---|
895 |
Without affecting the variables: |
---|
896 |
>>> observation == {'z':'10', 'speed':'99.99', 'dir':'999.9', |
---|
897 |
... 'W':'-0.05', 'sigW':'0.40', 'bck':'5.46E+03', |
---|
898 |
... 'error':'0'} |
---|
899 |
True |
---|
900 |
""" |
---|
901 |
|
---|
902 |
raise TypeError, ' '.join([repr(self.__class__.__name__), |
---|
903 |
'instance\'s items are read-only',]) |
---|
904 |
|
---|
905 |
def clear(self): |
---|
906 |
""" |
---|
907 |
Protect items. |
---|
908 |
|
---|
909 |
Raise an Exception if attempting to mutate an observation: |
---|
910 |
>>> observation = Observation(good_observation,good_variables) |
---|
911 |
>>> observation.clear() |
---|
912 |
Traceback (most recent call last): |
---|
913 |
... |
---|
914 |
TypeError: 'Observation' instance's items are read-only |
---|
915 |
|
---|
916 |
Without affecting the variables: |
---|
917 |
>>> observation == {'z':'10', 'speed':'99.99', 'dir':'999.9', |
---|
918 |
... 'W':'-0.05', 'sigW':'0.40', 'bck':'5.46E+03', |
---|
919 |
... 'error':'0'} |
---|
920 |
True |
---|
921 |
""" |
---|
922 |
|
---|
923 |
raise TypeError, ' '.join([repr(self.__class__.__name__), |
---|
924 |
'instance\'s items are read-only',]) |
---|
925 |
|
---|
926 |
def pop(self,key,*args): |
---|
927 |
""" |
---|
928 |
Protect items. |
---|
929 |
|
---|
930 |
Raise an Exception if attempting to mutate an observation: |
---|
931 |
>>> observation = Observation(good_observation,good_variables) |
---|
932 |
>>> observation.pop('z') |
---|
933 |
Traceback (most recent call last): |
---|
934 |
... |
---|
935 |
TypeError: 'Observation' instance's items are read-only |
---|
936 |
>>> observation.pop('y') |
---|
937 |
Traceback (most recent call last): |
---|
938 |
... |
---|
939 |
TypeError: 'Observation' instance's items are read-only |
---|
940 |
>>> observation.pop('y','OK') |
---|
941 |
Traceback (most recent call last): |
---|
942 |
... |
---|
943 |
TypeError: 'Observation' instance's items are read-only |
---|
944 |
|
---|
945 |
Without affecting the variables: |
---|
946 |
>>> observation == {'z':'10', 'speed':'99.99', 'dir':'999.9', |
---|
947 |
... 'W':'-0.05', 'sigW':'0.40', 'bck':'5.46E+03', |
---|
948 |
... 'error':'0'} |
---|
949 |
True |
---|
950 |
""" |
---|
951 |
|
---|
952 |
raise TypeError, ' '.join([repr(self.__class__.__name__), |
---|
953 |
'instance\'s items are read-only',]) |
---|
954 |
|
---|
955 |
def popitem(self): |
---|
956 |
""" |
---|
957 |
Protect items. |
---|
958 |
|
---|
959 |
Raise an Exception if attempting to mutate an observation: |
---|
960 |
>>> observation = Observation(good_observation,good_variables) |
---|
961 |
>>> observation.popitem() |
---|
962 |
Traceback (most recent call last): |
---|
963 |
... |
---|
964 |
TypeError: 'Observation' instance's items are read-only |
---|
965 |
|
---|
966 |
Without affecting the variables: |
---|
967 |
>>> observation == {'z':'10', 'speed':'99.99', 'dir':'999.9', |
---|
968 |
... 'W':'-0.05', 'sigW':'0.40', 'bck':'5.46E+03', |
---|
969 |
... 'error':'0'} |
---|
970 |
True |
---|
971 |
""" |
---|
972 |
|
---|
973 |
raise TypeError, ' '.join([repr(self.__class__.__name__), |
---|
974 |
'instance\'s items are read-only',]) |
---|
975 |
|
---|
976 |
def setdefault(self,key,*args): |
---|
977 |
""" |
---|
978 |
Protect items. |
---|
979 |
|
---|
980 |
Raise an Exception if attempting to mutate an observation: |
---|
981 |
>>> observation = Observation(good_observation,good_variables) |
---|
982 |
>>> observation.setdefault('z') |
---|
983 |
Traceback (most recent call last): |
---|
984 |
... |
---|
985 |
TypeError: 'Observation' instance's items are read-only |
---|
986 |
>>> observation.setdefault('y') |
---|
987 |
Traceback (most recent call last): |
---|
988 |
... |
---|
989 |
TypeError: 'Observation' instance's items are read-only |
---|
990 |
>>> observation.setdefault('y','OK') |
---|
991 |
Traceback (most recent call last): |
---|
992 |
... |
---|
993 |
TypeError: 'Observation' instance's items are read-only |
---|
994 |
|
---|
995 |
Without affecting the variables: |
---|
996 |
>>> observation == {'z':'10', 'speed':'99.99', 'dir':'999.9', |
---|
997 |
... 'W':'-0.05', 'sigW':'0.40', 'bck':'5.46E+03', |
---|
998 |
... 'error':'0'} |
---|
999 |
True |
---|
1000 |
""" |
---|
1001 |
|
---|
1002 |
raise TypeError, ' '.join([repr(self.__class__.__name__), |
---|
1003 |
'instance\'s items are read-only',]) |
---|
1004 |
|
---|
1005 |
def update(self,*args,**kwargs): |
---|
1006 |
""" |
---|
1007 |
Protect items. |
---|
1008 |
|
---|
1009 |
Raise an Exception if attempting to mutate an observation: |
---|
1010 |
>>> observation = Observation(good_observation,good_variables) |
---|
1011 |
>>> observation.update({'UP':'up','DOWN':'down',}) |
---|
1012 |
Traceback (most recent call last): |
---|
1013 |
... |
---|
1014 |
TypeError: 'Observation' instance's items are read-only |
---|
1015 |
|
---|
1016 |
Without affecting the variables: |
---|
1017 |
>>> observation == {'z':'10', 'speed':'99.99', 'dir':'999.9', |
---|
1018 |
... 'W':'-0.05', 'sigW':'0.40', 'bck':'5.46E+03', |
---|
1019 |
... 'error':'0'} |
---|
1020 |
True |
---|
1021 |
|
---|
1022 |
Raise an Exception if attempting to mutate an observation: |
---|
1023 |
>>> observation.update((('UP','up'),('DOWN','down'),)) |
---|
1024 |
Traceback (most recent call last): |
---|
1025 |
... |
---|
1026 |
TypeError: 'Observation' instance's items are read-only |
---|
1027 |
|
---|
1028 |
Without affecting the variables: |
---|
1029 |
>>> observation == {'z':'10', 'speed':'99.99', 'dir':'999.9', |
---|
1030 |
... 'W':'-0.05', 'sigW':'0.40', 'bck':'5.46E+03', |
---|
1031 |
... 'error':'0'} |
---|
1032 |
True |
---|
1033 |
|
---|
1034 |
Raise an Exception if attempting to mutate an observation: |
---|
1035 |
>>> observation.update(UP='up',DOWN='down') |
---|
1036 |
Traceback (most recent call last): |
---|
1037 |
... |
---|
1038 |
TypeError: 'Observation' instance's items are read-only |
---|
1039 |
|
---|
1040 |
Without affecting the variables: |
---|
1041 |
>>> observation == {'z':'10', 'speed':'99.99', 'dir':'999.9', |
---|
1042 |
... 'W':'-0.05', 'sigW':'0.40', 'bck':'5.46E+03', |
---|
1043 |
... 'error':'0'} |
---|
1044 |
True |
---|
1045 |
""" |
---|
1046 |
|
---|
1047 |
raise TypeError, ' '.join([repr(self.__class__.__name__), |
---|
1048 |
'instance\'s items are read-only',]) |
---|
1049 |
|
---|
1050 |
def _test(): |
---|
1051 |
""" |
---|
1052 |
Run module tests in script mode. |
---|
1053 |
|
---|
1054 |
>>> from sodar.scintec.maindata import _test |
---|
1055 |
""" |
---|
1056 |
|
---|
1057 |
import doctest |
---|
1058 |
from sodar.tests import suite |
---|
1059 |
mnd_path,mnd_file,mnd,profile,variables,observation = \ |
---|
1060 |
suite.setUpGoodMndData() |
---|
1061 |
doctest.testmod(extraglobs=dict(good_mnd=mnd, |
---|
1062 |
good_name=mnd_file, |
---|
1063 |
good_path=mnd_path, |
---|
1064 |
good_profile=profile, |
---|
1065 |
good_variables=variables, |
---|
1066 |
good_observation=observation), |
---|
1067 |
optionflags=doctest.NORMALIZE_WHITESPACE) |
---|
1068 |
|
---|
1069 |
if __name__ == "__main__": |
---|
1070 |
_test() |
---|