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
27 class InvalidICS(Exception): pass
28 class notJoined(Exception): pass
30 def lineJoiner(oldcal):
31 '''Takes a string containing a calendar and returns an array of its lines'''
33 if list(oldcal) == oldcal:
34 oldcal = '\r\n'.join(oldcal)
36 oldcal.replace('\r\n ', '')
37 return oldcal.split('\r\n')
40 def lineFolder(oldcal, length=75):
41 '''Folds content lines to a specified length, returns a list'''
44 sys.stderr.write('WARN: lines > 75 octets are not RFC compliant\n')
50 # Line fits inside length, do nothing
51 if len(line.rstrip()) <= length:
54 brokenline = [line[0:length] + '\r\n']
56 while ll < len(line.rstrip('\r\n')) + 1:
57 brokenline.append(' ' + line[ll:sl+ll].rstrip('\r\n') + '\r\n')
63 def getContent(url='',stdin=False):
67 if __name__ == '__main__':
68 from optparse import OptionParser
69 # If the user passed us a 'stdin' argument, we'll go with that,
70 # otherwise we'll try for a url opener
72 parser = OptionParser('usage: %prog [options] url')
73 parser.add_option('-s', '--stdin', action='store_true', dest='stdin',
74 default=False, help='Take a calendar from standard input')
75 parser.add_option('-o', '--output', dest='outfile', default='',
76 help='Specify output file (defaults to standard output)')
78 (options, args) = parser.parse_args()
80 if not args and not options.stdin:
83 elif not options.stdin:
88 # Work out what url parsers we're going to need based on what the user
89 # gave us on the command line - we do like files after all
90 parsedURL = urlparse.urlparse(url)
91 http = 'http' in parsedURL[0]
93 if not parsedURL[0]: u = False
96 if not options.stdin and http:
102 # Try and play nice with HTTP servers unless something goes wrong. We don't
103 # really care about this cache (A lot of ics files seem to be generated with
104 # php which hates caching with a passion).
106 if 'httplib2' in sys.modules:
107 try: h = httplib2.Http('.httplib2-cache')
108 except OSError: h = httplib2.Http()
110 # Load urllib2 if this is not a stdin
111 if not options.stdin and (not http or not 'httplib2' in sys.modules):
115 content = u and (h and h.request(url)[1] or urllib2.urlopen(url).read())
116 except (ValueError, urllib2.URLError), e:
117 sys.stderr.write('%s\n'%e)
120 if not u and not options.stdin:
121 try: content = open(os.path.abspath(url),'r').read()
122 except (IOError, OSError), e:
123 sys.stderr.write('%s\n'%e)
127 content = sys.stdin.read()