revert PlaceUtils, wrong commit
svn: r11414
This commit is contained in:
Benny Malengier
parent
da88188067
commit
ad25d37cd9
@ -30,7 +30,6 @@
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#
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#-------------------------------------------------------------------------
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from gettext import gettext as _
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import locale
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#-------------------------------------------------------------------------
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@ -98,177 +97,6 @@ def conv_lat_lon(latitude, longitude, format="D.D4"):
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and -180 180th meridian
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"""
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#-------------------------------------------------------------------------
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# begin internal function testing whether a string is convertable to float
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#-------------------------------------------------------------------------
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def isFloat(stringValue) :
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try :
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v = float(stringValue) #decimal notation, now float
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return True
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except ValueError :
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return False;
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#-------------------------------------------------------------------------
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# end internal function testing whether a string is convertable to float
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#-------------------------------------------------------------------------
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#-------------------------------------------------------------------------
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# begin internal function which converts a structure to a nice
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# representation
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#-------------------------------------------------------------------------
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def convert_structure_to_float(sign, degs, mins=0.0, secs=0.0) :
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v = float(degs)
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if mins != None:
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v += float(mins) / 60.
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if secs != None:
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v += secs / 3600.
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if sign == "-":
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v = v * -1.
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return v
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#-------------------------------------------------------------------------
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# end internal function which converts a structure to a nice
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# representation
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#-------------------------------------------------------------------------
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#-------------------------------------------------------------------------
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# begin internal function that tries to convert the string using the float
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# representation
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#-------------------------------------------------------------------------
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def convert_using_float_representation(stringValue):
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if isFloat(stringValue) :
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return float(stringValue) #decimal notation, now float
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else :
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return None
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#-------------------------------------------------------------------------
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# end internal function that tries to convert the string using the float
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# representation
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#-------------------------------------------------------------------------
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#-------------------------------------------------------------------------
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# begin internal function that tries to convert the string using the colon
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# representation
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#-------------------------------------------------------------------------
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def convert_using_colon_representation(stringValue):
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if stringValue.find(r':') == -1 :
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return None
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l = stringValue.split(':')
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if len(l) < 2 or len(l) > 3:
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return None
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l[0]=l[0].strip()
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if l[0][0] == '-':
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sign = '-'
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l[0]=l[0][1:]
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else:
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sign = '+'
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try:
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degs = int(l[0])
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if degs < 0:
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return None
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except:
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return None
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try:
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mins = int(l[1])
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if mins < 0 or mins >= 60:
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return None
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except:
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return None
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secs=0.
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if len(l) == 3:
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try:
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secs = float(l[2])
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if secs < 0. or secs >= 60.:
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return None
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except:
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return None
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return convert_structure_to_float(sign, degs, mins, secs)
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#-------------------------------------------------------------------------
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# end internal function that tries to convert the string using the colon
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# representation
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#-------------------------------------------------------------------------
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#-------------------------------------------------------------------------
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# begin internal function that tries to convert the string using the colon
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# representation
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#-------------------------------------------------------------------------
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def convert_using_classic_representation(stringValue, typedeg):
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if stringValue.find(r'_') != -1:
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return None # not a valid lat or lon
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#exchange some characters
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stringValue = stringValue.replace( r'°',r'_')
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#allow to input ° as #
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stringValue = stringValue.replace( r'#',r'_')
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#allow to input " as ''
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stringValue = stringValue.replace( r"''",r'"')
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#allow some special unicode symbols
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stringValue = stringValue.replace( u'\u2033',r'"')
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stringValue = stringValue.replace( u'\u2032',r"'")
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#ignore white spaces (HACK: use regular expressions instead)
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stringValue = stringValue.replace(r' ', r'')
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stringValue = stringValue.replace(r'\t', r'')
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# get the degrees, must be present
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if stringValue.find(r'_') == -1:
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return None
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l = stringValue.split('_')
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if len(l) != 2:
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return None
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try:
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degs = int(l[0]) #degrees must be integer value
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if degs < 0:
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return None
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except:
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return None
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# next: minutes might be present once
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l2 = l[1].split(r"'")
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l3 = l2
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mins = 0
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if len(l2) > 2:
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return None
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if len(l2) == 2:
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l3 = [l2[1],]
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try:
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mins = int(l2[0]) #minutes must be integer value
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if mins < 0 or mins >= 60:
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return None
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except:
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return None
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# next: seconds might be present once
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l3 = l3[0].split(r'"')
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last = l3[0]
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secs = 0.
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if len(l3) > 2:
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return None
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if len(l3) == 2:
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last = l3[1]
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try:
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secs = float(l3[0])
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if secs < 0. or secs >= 60.:
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return None
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except:
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return None
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# last entry should be the direction
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if typedeg == 'lat':
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if last == 'N':
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sign = '+'
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elif last == 'S':
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sign = '-'
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else:
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return None
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if typedeg == 'lon':
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if last == 'E':
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sign = '+'
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elif last == 'W':
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sign = '-'
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else:
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return None
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return convert_structure_to_float(sign, degs, mins, secs)
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#-------------------------------------------------------------------------
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# begin internal function converting one input to float
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#-------------------------------------------------------------------------
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@ -279,39 +107,153 @@ def conv_lat_lon(latitude, longitude, format="D.D4"):
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# In case of degree minutes seconds direction input,
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# it is checked that degree >0, 0<= minutes <= 60,
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# 0<= seconds <= 60, direction is in the directions dic.
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v = None
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sign = None
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secs = None
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mins = None
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degs = None
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error = False
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#change , to . so that , input works in non , localization
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#this is no problem, as a number like 100,000.20 cannot appear in
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#lat/lon
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pointchar = locale.localeconv()['decimal_point']
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if pointchar == '.' :
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#change XX,YY into XX.YY
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try :
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test = float('10,11')
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except ValueError :
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#change 10,11 into 10.11
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#if point is already present in val, we can do nothing
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if val.find(r'.') == -1 :
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val = val.replace( r',',r'.')
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elif pointchar == ',' :
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#change XX.YY into XX,YY
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try :
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test = float('10.11')
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except ValueError :
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#change 10.11 into 10,11
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#if comma is already present in val, we can do nothing
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if val.find(r',') == -1 :
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val = val.replace( r'.',r',')
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# format: XX.YYYY
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v = convert_using_float_representation(val)
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try:
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v = float(val) #decimal notation, now float
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except ValueError:
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# look for : notation
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if val.find(r':') != -1 :
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l = val.split(':')
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if len(l) < 2 or len(l) > 3:
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error = True
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l[0]=l[0].strip()
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if l[0][0] == '-':
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sign = '-'
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l[0]=l[0][1:]
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else:
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sign = '+'
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try:
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degs = int(l[0])
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if degs < 0:
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error = True
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except:
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error = True
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try:
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mins = int(l[1])
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if mins < 0 or mins >= 60:
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error = True
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except:
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error = True
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secs=0.
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if len(l) == 3:
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try:
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secs = float(l[2])
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if secs < 0. or secs >= 60.:
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error = True
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except:
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error = True
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# if nothing found yet, look for classical notation
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if val.find(r'_') != -1:
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error = True # not a valid lat or lon
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val = val.replace( r'°',r'_')
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#allow to input ° as #
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val = val.replace( r'#',r'_')
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#allow to input " as ''
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val = val.replace( r"''",r'"')
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#allow some special unicode symbols
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val = val.replace( u'\u2033',r'"')
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val = val.replace( u'\u2032',r"'")
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#ignore spaces
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val = val.replace(r'\s*', r'')
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# get the degrees, must be present
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if val.find(r'_') != -1:
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l = val.split('_')
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if len(l) != 2:
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error = True
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else:
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try:
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degs = int(l[0]) #degrees must be integer value
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if degs < 0:
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error = True
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except:
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error = True
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# next: minutes might be present once
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l2 = l[1].split(r"'")
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l3 = l2
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mins = 0
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if len(l2) > 2:
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error = True
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if len(l2) == 2:
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l3 = [l2[1],]
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try:
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mins = int(l2[0]) #minutes must be integer value
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if mins < 0 or mins >= 60:
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error = True
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except:
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error = True
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# next: seconds might be present once
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l3 = l3[0].split(r'"')
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last = l3[0]
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secs = 0.
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if len(l3) > 2:
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error = True
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if len(l3) == 2:
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last = l3[1]
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try:
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secs = float(l3[0])
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if secs < 0. or secs >= 60.:
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error = True
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except:
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error = True
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# last entry should be the direction
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last = last.strip() #remove leading/trailing spaces
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if typedeg == 'lat':
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if last == 'N':
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sign = '+'
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elif last == 'S':
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sign = '-'
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else:
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error = True
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if typedeg == 'lon':
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if last == 'E':
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sign = '+'
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elif last == 'W':
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sign = '-'
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else:
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error = True
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# degs should have a value now
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if degs == None:
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error = True
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if error:
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return None
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if v != None:
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return v
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#we have a degree notation, convert to float
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v = float(degs)
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if secs != None:
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v += secs / 3600.
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if mins != None:
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v += float(mins) / 60.
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if sign =="-":
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v = v * -1.
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# format: XX:YY:ZZ
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v = convert_using_colon_representation(val)
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if v != None :
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return v
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# format: XX° YY' ZZ" [NSWE]
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v = convert_using_classic_representation(val, typedeg)
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if v != None :
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return v
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# no format succeeded
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return None
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return v
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#-------------------------------------------------------------------------
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# end internal function converting one input to float
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#-------------------------------------------------------------------------
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