def replace(string, sub_function=google_maps_link()): """ Replace detected coordinates with a map link, using the given substitution function. The substitution function will be passed a :class:`~.MapLink` instance, and should return a string which will be substituted by :func:`re.sub` in place of the detected coordinates. >>> replace("58147N/07720W") u'<a href="http://maps.google.com/maps?q=58.235278%2C-77.333333+%2858147N%2F07720W%29&ll=58.235278%2C-77.333333&t=h" title="58147N/07720W (58.235278, -77.333333)">58147N/07720W</a>' >>> replace("5814N/07720W", google_maps_link('satellite')) u'<a href="http://maps.google.com/maps?q=58.233%2C-77.333+%285814N%2F07720W%29&ll=58.233%2C-77.333&t=k" title="5814N/07720W (58.233, -77.333)">5814N/07720W</a>' >>> from geolucidate.links.bing import bing_maps_link >>> replace("58N/077W", bing_maps_link('map')) u'<a href="http://bing.com/maps/default.aspx?style=r&cp=58%7E-77&sp=Point.58_-77_58N%2F077W&v=2" title="58N/077W (58, -77)">58N/077W</a>' """ def do_replace(match): original_string = match.group() (latitude, longitude) = _convert(*_cleanup(match.groupdict())) return sub_function(MapLink(original_string, latitude, longitude)) return parser_re.sub(do_replace, string)
def get_replacements(string, sub_function=google_maps_link()): """ Return a dict whose keys are instances of :class:`re.MatchObject` and whose values are the corresponding replacements. Use :func:`get_replacements` when the replacement cannot be performed through ordinary string substitution by :func:`re.sub`, as in :func:`replace`. >>> get_replacements("4630 NORTH 5705 WEST 58147N/07720W") ... #doctest: +ELLIPSIS {<_sre.SRE_Match object at ...>: u'<a href="..." title="...">4630 NORTH 5705 WEST</a>', <_sre.SRE_Match object at ...>: u'<a href="..." title="...">58147N/07720W</a>'} >>> string = "4630 NORTH 5705 WEST 58147N/07720W" >>> replacements = get_replacements(string) >>> offset = 0 >>> from UserString import MutableString >>> out = MutableString(string) >>> for (match, link) in replacements.iteritems(): ... start = match.start() + offset ... end = match.end() + offset ... out[start:end] = link ... offset += (len(link) - len(match.group())) >>> out == replace(string) True """ substitutions = {} string = _normalize_string(string) matches = degree_min_sec_re.finditer(string) for match in matches: (latitude, longitude) = _convert_to_lat_lng(*_cleanup(match.groupdict())) substitutions[match] = sub_function( MapLink(match.group(), latitude, longitude)) return substitutions
def get_replacements(string, sub_function=google_maps_link()): """ Return a dict whose keys are instances of :class:`re.MatchObject` and whose values are the corresponding replacements. Use :func:`get_replacements` when the replacement cannot be performed through ordinary string substitution by :func:`re.sub`, as in :func:`replace`. >>> get_replacements("4630 NORTH 5705 WEST 58147N/07720W") ... #doctest: +ELLIPSIS {<_sre.SRE_Match object at ...>: u'<a href="..." title="...">4630 NORTH 5705 WEST</a>', <_sre.SRE_Match object at ...>: u'<a href="..." title="...">58147N/07720W</a>'} >>> string = "4630 NORTH 5705 WEST 58147N/07720W" >>> replacements = get_replacements(string) >>> offset = 0 >>> from UserString import MutableString >>> out = MutableString(string) >>> for (match, link) in replacements.iteritems(): ... start = match.start() + offset ... end = match.end() + offset ... out[start:end] = link ... offset += (len(link) - len(match.group())) >>> out == replace(string) True """ substitutions = {} matches = parser_re.finditer(string) for match in matches: (latitude, longitude) = _convert(*_cleanup(match.groupdict())) substitutions[match] = sub_function(MapLink(match.group(), latitude, longitude)) return substitutions