def resolve(url, depends, recommends, suggests):
print '\nDownloading (and creating) list of dependecies. Please wait...'
tocrawlh = [url] # tocrawl history
tocrawl = [url]
crawled = []
while tocrawl:
popped = tocrawl.pop()
page = netfunc.get_page(popped)
if popped not in crawled:
crawled.append(popped)
#print crawled
#print page[:300]
if page != '':
temp = page.find('<ul class="uldep">')
dep_snum = page.find('<ul class="uldep">', temp + len('<ul class="uldep">'))
dep_enum = page[dep_snum:].find('</ul>')
part_dep = page[dep_snum:dep_snum + dep_enum]
temp = page.find('<ul class="ulrec">')
rec_snum = page.find('<ul class="ulrec">', temp + len('<ul class="ulrec">'))
rec_enum = page[rec_snum:].find('</ul>')
part_rec = page[rec_snum:rec_snum + rec_enum]
temp = page.find('<ul class="ulsug">')
sug_snum = page.find('<ul class="ulsug">', temp + len('<ul class="ulsug">'))
sug_enum = page[sug_snum:].find('</ul>')
part_sug = page[sug_snum:sug_snum + sug_enum]
else:
print 'Error: Could not connect to http://packages.ubuntu.com/'
print 'Script will exit now...'
return -1
###############################################################################
######################### TODO: suggests and recommends ######################
################################################################################
#tocrawl = []
if depends == 1:
#l = len(part_dep)
#print part_dep
while len(part_dep) > 20:
#tocrawl = []
start = part_dep.find('<dl>')
end = part_dep.find('</dl>')
part = part_dep[start:end]
pos1 = part.find('<a href="')
#print pos1
pos2 = part.find('">',pos1)
#print pos2
if 'http://packages.ubuntu.com' + part[pos1 + len('<a href="'): pos2] not in tocrawlh:
tocrawlh.append('http://packages.ubuntu.com' + part[pos1 + len('<a href="'): pos2])
tocrawl.append('http://packages.ubuntu.com' + part[pos1 + len('<a href="'): pos2])
#print tocrawl[-1]
part_dep = part_dep[end+ len('</dl>'):]
#print tocrawl
#raw_input()
#print tocrawl
return crawled
def gen_download_url(url, flag):
dl_urls = []
dl_urls_temp = []
page = netfunc.get_page(url)
pat1 = '<div id="pdownload">'
pat2 = '</div> <!-- end pdownload -->'
part_of_page = stripstr.part_of_str(page, pat1, pat2)
if flag == 'sourcenames':
pat1 = '<td><a href="'
pat2 = '">'
len_pat1 = len(pat1)
loc1 = part_of_page.find(pat1)
while loc1 != -1:
loc2 = part_of_page[loc1:].find(pat2)
dl_urls.append(part_of_page[loc1 + len_pat1:loc1 + loc2])
part_of_page = part_of_page[loc1 + loc2:]
loc1 = part_of_page.find(pat1)
return dl_urls
else:
#print '#####################'
pat1 = '<th><a href="'
pat2 = '">'
len_pat1 = len(pat1)
loc1 = part_of_page.find(pat1)
start_of_url = 'http://packages.ubuntu.com'
while loc1 != -1:
loc2 = part_of_page[loc1:].find(pat2)
dl_urls_temp.append(start_of_url + part_of_page[loc1 + len_pat1:loc1 + loc2])
part_of_page = part_of_page[loc1 + loc2:]
loc1 = part_of_page.find(pat1)
flag_slash = '/' + flag + '/'
for item in dl_urls_temp:
if item.find(flag_slash) != -1:
dl_urls.append(choose_url_mirror(item))
#print '**********'
return dl_urls
for item in dl_urls_temp:
all_loc = item.find('/all/')
if all_loc != -1:
dl_urls.append(choose_url_mirror(item))
#print '$$$$$$$$$$$$'
return dl_urls
return 1
def choose_url_mirror(url):
page = netfunc.get_page(url)
pat1 = '<p>You can download the requested file from the '
pat2 = '<div id="pdownloadnotes">'
part_of_page = stripstr.part_of_str(page, pat1, pat2)
pat3 = '<li><a href="'
pat4 = '">'
loc3 = part_of_page.find(pat3)
loc4 = part_of_page[loc3:].find(pat4)
return part_of_page[loc3 + len(pat3): loc3 + loc4]
def release():
page = netfunc.get_page('http://packages.ubuntu.com/')
#print page
if page != '':
# Find locations of part of file that interests us
# And then, strip that part in another string 'part_page'
search_start = '<h2>Browse through the lists of packages:</h2>'
temp1 = page.find(search_start)
search_end = '</ul>'
temp2 = page[temp1:].find(search_end)
# Final start and end locations of part of page which interest us
start_loc = temp1 + len(search_start)
end_loc = temp1 + temp2 + len(search_end)
# Let's slice part of page (which interests us) now
part_page = page[start_loc:end_loc]
else:
print 'Error: Could not connect to http://packages.ubuntu.com/'
print 'Script will exit now...'
return -1
# List of releases
releases = []
# start pattern and end pattern
spat = '<li><a href="'
epat = '/">'
len_spat = len(spat)
while len(part_page) > 50:
sloc = part_page.find(spat)
eloc = part_page.find(epat)
releases.append(part_page[sloc + len_spat:eloc])
part_page = part_page[eloc + len(epat):]
releases.append('all')
print '\nList of available releases:'
i = 0
j = len(releases)
for item in releases:
print ' [', str(i).rjust(2), '] or [', str(-j).rjust(3), ']', item
i += 1
j -= 1
try:
rnum = input('Enter release number = ')
return releases[rnum]
except:
print 'Invalid release number input!'
print 'Program will exit now...'
return -1
def results(url, sflag):
info = ""
page = netfunc.get_page(url)
part_page = stripstr.part_of_str(page, '<div id="psearchres">', "</div>")
pac_list = []
pattern1_1 = "<h3>Package "
pattern1_2 = "<h3>Source Package "
if sflag == "sourcenames":
pattern1 = pattern1_2
else:
pattern1 = pattern1_1
i = 0
while True:
# print "#"
pac_name = stripstr.part_of_str(part_page, pattern1, "</h3>")
if pac_name == 1:
break
pat1 = '<a class="resultlink" href="'
loc1 = part_page.find(pat1)
pat2 = '">'
pat3_1 = '[<strong class="'
pat3_2 = "<br>"
if part_page[loc1:].find(pat3_1) < part_page[loc1:].find(pat3_2):
pat3 = pat3_1
else:
pat3 = pat3_2
tempstr = stripstr.part_of_str(part_page[loc1:], pat2, pat3)
# print tempstr
pat4 = "</a>"
loc4 = tempstr.find(pat4)
# Find [category, description] of package in a list
if sflag == "sourcenames":
cat_desc = tempstr[loc4 + len(pat4) :].rsplit(": ")
else:
cat_desc = tempstr[loc4 + len(pat4) :].rsplit("\n")
# print cat_desc
pac_category, pac_desc = cat_desc[0], cat_desc[1]
pac_desc = pac_desc.strip()
info = pac_name + ": [" + tempstr[:loc4] + "]" + pac_category + " " + pac_desc
print str(i) + ". " + info.rstrip("\n")
part_url = tempstr[:loc4] + "/" + pac_name
pac_list.append(part_url)
# print part_url
loc3 = part_page[loc1:].find(pat3)
part_page = part_page[loc1 + loc3 :]
i += 1
selected = input("Enter the package number to download = ")
if selected < len(pac_list) and selected >= 0:
# print '#######'
# print pac_list[selected]
return pac_list[selected]
else:
print "Invalid input!"
print "Program will exit now..."
return 1
