5 # Permission is hereby granted, free of charge, to any person obtaining a copy
6 # of this software and associated documentation files (the "Software"), to deal
7 # in the Software without restriction, including without limitation the rights
8 # to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
9 # copies of the Software, and to permit persons to whom the Software is
10 # furnished to do so, subject to the following conditions:
12 # The above copyright notice and this permission notice shall be included in
13 # all copies or substantial portions of the Software.
15 # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 # FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
18 # AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19 # LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
20 # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
28 class InvalidICS(Exception): pass
29 class notJoined(Exception): pass
31 icalEntry = re.compile('^[A-Z\-]+:.*')
33 def lineJoiner(oldcal):
34 '''Takes a string containing a calendar and returns an array of its lines'''
36 if list(oldcal) == oldcal:
37 oldcal = '\r\n'.join(oldcal)
39 oldcal.replace('\r\n ', '')
40 return oldcal.split('\r\n')
43 def lineFolder(oldcal, length=75):
44 '''Folds content lines to a specified length, returns a list'''
47 sys.stderr.write('WARN: lines > 75 octets are not RFC compliant\n')
53 # Line fits inside length, do nothing
54 if len(line.rstrip()) <= length:
57 brokenline = [line[0:length] + '\r\n']
59 while ll < len(line.rstrip('\r\n')) + 1:
60 brokenline.append(' ' + line[ll:sl+ll].rstrip('\r\n') + '\r\n')
66 def getContent(url='',stdin=False):
70 if __name__ == '__main__':
71 from optparse import OptionParser
72 # If the user passed us a 'stdin' argument, we'll go with that,
73 # otherwise we'll try for a url opener
75 parser = OptionParser('usage: %prog [options] url')
76 parser.add_option('-s', '--stdin', action='store_true', dest='stdin',
77 default=False, help='Take a calendar from standard input')
78 parser.add_option('-o', '--output', dest='outfile', default='',
79 help='Specify output file (defaults to standard output)')
81 (options, args) = parser.parse_args()
83 if not args and not options.stdin:
86 elif not options.stdin:
91 # Work out what url parsers we're going to need based on what the user
92 # gave us on the command line - we do like files after all
93 parsedURL = urlparse.urlparse(url)
94 http = 'http' in parsedURL[0]
96 if not parsedURL[0]: u = False
99 if not options.stdin and http:
105 # Try and play nice with HTTP servers unless something goes wrong. We don't
106 # really care about this cache (A lot of ics files seem to be generated with
107 # php which hates caching with a passion).
109 if 'httplib2' in sys.modules:
110 try: h = httplib2.Http('.httplib2-cache')
111 except OSError: h = httplib2.Http()
113 # Load urllib2 if this is not a stdin
114 if not options.stdin and (not http or not 'httplib2' in sys.modules):
118 content = u and (h and h.request(url)[1] or urllib2.urlopen(url).read())
119 except (ValueError, urllib2.URLError), e:
120 sys.stderr.write('%s\n'%e)
123 if not u and not options.stdin:
124 try: content = open(os.path.abspath(url),'r').read()
125 except (IOError, OSError), e:
126 sys.stderr.write('%s\n'%e)
130 content = sys.stdin.read()