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'The TorConnectionDialog wants to open the Settings dialog'
def _tor_connection_open_settings(self):
common.log('OnionShareGui', '_tor_connection_open_settings') QtCore.QTimer.singleShot(1, self.open_settings)
'Open the SettingsDialog.'
def open_settings(self):
common.log('OnionShareGui', 'open_settings') def reload_settings(): common.log('OnionShareGui', 'open_settings', 'settings have changed, reloading') self.settings.load() d = SettingsDialog(self.onion, self.qtapp, self.config) d.settings_saved.connect(reload_settings) d.exec_...
'Start the onionshare server. This uses multiple threads to start the Tor onion server and the web app.'
def start_server(self):
common.log('OnionShareGui', 'start_server') self.set_server_active(True) self.app.set_stealth(self.settings.get('use_stealth')) self.downloads_container.hide() self.downloads.reset_downloads() web.download_count = 0 web.error404_count = 0 web.set_gui_mode() def start_onion_service(se...
'Step 2 in starting the onionshare server. Zipping up files.'
def start_server_step2(self):
common.log('OnionShareGui', 'start_server_step2') self._zip_progress_bar = ZipProgressBar(0) self._zip_progress_bar.total_files_size = OnionShareGui._compute_total_size(self.file_selection.file_list.filenames) self.status_bar.clearMessage() self.status_bar.insertWidget(0, self._zip_progress_bar) ...
'Step 3 in starting the onionshare server. This displays the large filesize warning, if applicable.'
def start_server_step3(self):
common.log('OnionShareGui', 'start_server_step3') if (self._zip_progress_bar is not None): self.status_bar.removeWidget(self._zip_progress_bar) self._zip_progress_bar = None if (web.zip_filesize >= 157286400): self.filesize_warning.setText(strings._('large_filesize', True)) s...
'If there\'s an error when trying to start the onion service'
def start_server_error(self, error):
common.log('OnionShareGui', 'start_server_error') self.set_server_active(False) Alert(error, QtWidgets.QMessageBox.Warning) self.server_status.stop_server() self.status_bar.clearMessage()
'Stop the onionshare server.'
def stop_server(self):
common.log('OnionShareGui', 'stop_server') if (self.server_status.status != self.server_status.STATUS_STOPPED): web.stop(self.app.port) self.app.cleanup() self.filesize_warning.hide() self.stop_server_finished.emit() self.set_server_active(False)
'Check for updates in a new thread, if enabled.'
def check_for_updates(self):
system = common.get_platform() if ((system == 'Windows') or (system == 'Darwin')): if self.settings.get('use_autoupdate'): def update_available(update_url, installed_version, latest_version): Alert(strings._('update_available', True).format(update_url, installed_version, late...
'Check for messages communicated from the web app, and update the GUI accordingly.'
def check_for_requests(self):
self.update() if self.new_download: self.vbar.setValue(self.vbar.maximum()) self.new_download = False if (self.server_status.status != self.server_status.STATUS_STARTED): return events = [] done = False while (not done): try: r = web.q.get(False) ...
'When the URL gets copied to the clipboard, display this in the status bar.'
def copy_url(self):
common.log('OnionShareGui', 'copy_url') self.status_bar.showMessage(strings._('gui_copied_url', True), 2000)
'When the stealth onion service HidServAuth gets copied to the clipboard, display this in the status bar.'
def copy_hidservauth(self):
common.log('OnionShareGui', 'copy_hidservauth') self.status_bar.showMessage(strings._('gui_copied_hidservauth', True), 2000)
'Clear messages from the status bar.'
def clear_message(self):
self.status_bar.clearMessage()
'Disable the Settings button while an OnionShare server is active.'
def set_server_active(self, active):
self.settings_button.setEnabled((not active)) if active: self.settings_button.setIcon(QtGui.QIcon(common.get_resource_path('images/settings_inactive.png'))) else: self.settings_button.setIcon(QtGui.QIcon(common.get_resource_path('images/settings.png'))) self.settingsAction.setEnabled((no...
'Test that `SLUG_REGEX` accounts for the following patterns There are a few hyphenated words in `wordlist.txt`: * drop-down * felt-tip * t-shirt * yo-yo These words cause a few extra potential slug patterns: * word-word * hyphenated-word-word * word-hyphenated-word * hyphenated-word-hyphenated-word'
@pytest.mark.parametrize('test_input,expected', (('syrup-enzyme', True), ('caution-friday', True), ('drop-down-thimble', True), ('unmixed-yo-yo', True), ('yo-yo-drop-down', True), ('felt-tip-t-shirt', True), ('hello-world', True), ('Upper-Case', False), ('digits-123', False), ('too-many-hyphens-', False), ('symbols-!@#...
assert (bool(SLUG_REGEX.match(test_input)) == expected)
'dir_size() should return the total size (in bytes) of all files in a particular directory.'
def test_temp_dir_size(self, temp_dir_1024_delete):
assert (common.dir_size(temp_dir_1024_delete) == 1024)
'get_available_port() should return an open port within the range'
@pytest.mark.parametrize('port_min,port_max', ((random.randint(1024, 1500), random.randint(1800, 2048)) for _ in range(50))) def test_returns_an_open_port(self, port_min, port_max):
port = common.get_available_port(port_min, port_max) assert (port_min <= port <= port_max) with socket.socket() as tmpsock: tmpsock.bind(('127.0.0.1', port))
'load_strings() loads English by default'
def test_load_strings_defaults_to_english(self, locale_en, sys_onionshare_dev_mode):
strings.load_strings(common) assert (strings._('wait_for_hs') == 'Waiting for HS to be ready:')
'load_strings() loads other languages in different locales'
def test_load_strings_loads_other_languages(self, locale_fr, sys_onionshare_dev_mode):
strings.load_strings(common, 'fr') assert (strings._('wait_for_hs') == 'En attente du HS:')
'load_strings() raises a KeyError for an invalid locale'
def test_load_invalid_locale(self, locale_invalid, sys_onionshare_dev_mode):
with pytest.raises(KeyError): strings.load_strings(common, 'XX')
'Add a file to the zip archive.'
def add_file(self, filename):
self.z.write(filename, os.path.basename(filename), zipfile.ZIP_DEFLATED) self._size += os.path.getsize(filename) self.processed_size_callback(self._size)
'Add a directory, and all of its children, to the zip archive.'
def add_dir(self, filename):
dir_to_strip = (os.path.dirname(filename.rstrip('/')) + '/') for (dirpath, dirnames, filenames) in os.walk(filename): for f in filenames: full_filename = os.path.join(dirpath, f) if (not os.path.islink(full_filename)): arc_filename = full_filename[len(dir_to_strip...
'Close the zip archive.'
def close(self):
self.z.close()
'If there are any missing settings from self._settings, replace them with their default values.'
def fill_in_defaults(self):
for key in self.default_settings: if (key not in self._settings): self._settings[key] = self.default_settings[key]
'Returns the path of the settings file.'
def build_filename(self):
p = platform.system() if (p == 'Windows'): appdata = os.environ['APPDATA'] return '{}\\OnionShare\\onionshare.json'.format(appdata) elif (p == 'Darwin'): return os.path.expanduser('~/Library/Application Support/OnionShare/onionshare.json') else: return os.path.expandus...
'Load the settings from file.'
def load(self):
common.log('Settings', 'load') if os.path.exists(self.filename): try: common.log('Settings', 'load', 'Trying to load {}'.format(self.filename)) with open(self.filename, 'r') as f: self._settings = json.loads(f.read()) self.fill_in_defaults...
'Save settings to file.'
def save(self):
common.log('Settings', 'save') try: os.makedirs(os.path.dirname(self.filename)) except: pass open(self.filename, 'w').write(json.dumps(self._settings)) print strings._('settings_saved').format(self.filename)
'Receive EXACTLY the number of bytes requested from the socket. Blocks until the required number of bytes have been received.'
def _recvall(self, count):
data = '' while (len(data) < count): d = self.recv((count - len(data))) if (not d): raise GeneralProxyError('Connection closed unexpectedly') data += d return data
'set_proxy(proxy_type, addr[, port[, rdns[, username[, password]]]]) Sets the proxy to be used. proxy_type - The type of the proxy to be used. Three types are supported: PROXY_TYPE_SOCKS4 (including socks4a), PROXY_TYPE_SOCKS5 and PROXY_TYPE_HTTP addr - The address of the server (IP or DNS). port - The...
def set_proxy(self, proxy_type=None, addr=None, port=None, rdns=True, username=None, password=None):
self.proxy = (proxy_type, addr.encode(), port, rdns, (username.encode() if username else None), (password.encode() if password else None))
'Returns the bound IP address and port number at the proxy.'
def get_proxy_sockname(self):
return self.proxy_sockname
'Returns the IP and port number of the proxy.'
def get_proxy_peername(self):
return _orig_socket.getpeername(self)
'Returns the IP address and port number of the destination machine (note: get_proxy_peername returns the proxy)'
def get_peername(self):
return self.proxy_peername
'Negotiates a connection through a SOCKS5 server.'
def _negotiate_SOCKS5(self, dest_addr, dest_port):
(proxy_type, addr, port, rdns, username, password) = self.proxy if (username and password): self.sendall('\x05\x02\x00\x02') else: self.sendall('\x05\x01\x00') chosen_auth = self._recvall(2) if (chosen_auth[0:1] != '\x05'): raise GeneralProxyError('SOCKS5 proxy server ...
'Negotiates a connection through a SOCKS4 server.'
def _negotiate_SOCKS4(self, dest_addr, dest_port):
(proxy_type, addr, port, rdns, username, password) = self.proxy remote_resolve = False try: addr_bytes = socket.inet_aton(dest_addr) except socket.error: if rdns: addr_bytes = '\x00\x00\x00\x01' remote_resolve = True else: addr_bytes = socket.i...
'Negotiates a connection through an HTTP server. NOTE: This currently only supports HTTP CONNECT-style proxies.'
def _negotiate_HTTP(self, dest_addr, dest_port):
(proxy_type, addr, port, rdns, username, password) = self.proxy addr = (dest_addr if rdns else socket.gethostbyname(dest_addr)) self.sendall(((((((('CONNECT ' + addr.encode()) + ':') + str(dest_port).encode()) + ' HTTP/1.1\r\n') + 'Host: ') + dest_addr.encode()) + '\r\n\r\n')) fobj = self.makef...
'Connects to the specified destination through a proxy. Uses the same API as socket\'s connect(). To select the proxy server, use set_proxy(). dest_pair - 2-tuple of (IP/hostname, port).'
def connect(self, dest_pair):
(proxy_type, proxy_addr, proxy_port, rdns, username, password) = self.proxy (dest_addr, dest_port) = dest_pair if ((not isinstance(dest_pair, (list, tuple))) or (len(dest_pair) != 2) or (not isinstance(dest_addr, type(''))) or (not isinstance(dest_port, int))): raise GeneralProxyError('Invalid de...
'Start the onionshare onion service.'
def start_onion_service(self):
common.log('OnionShare', 'start_onion_service') self.port = common.get_available_port(17600, 17650) if self.local_only: self.onion_host = '127.0.0.1:{0:d}'.format(self.port) return self.onion_host = self.onion.start_onion_service(self.port) if self.stealth: self.auth_string =...
'Shut everything down and clean up temporary files, etc.'
def cleanup(self):
common.log('OnionShare', 'cleanup') for filename in self.cleanup_filenames: if os.path.isfile(filename): os.remove(filename) elif os.path.isdir(filename): shutil.rmtree(filename) self.cleanup_filenames = []
'The main function that segments an entire sentence that contains Chinese characters into seperated words. Parameter: - sentence: The str(unicode) to be segmented. - cut_all: Model type. True for full pattern, False for accurate pattern. - HMM: Whether to use the Hidden Markov Model.'
def cut(self, sentence, cut_all=False, HMM=True):
sentence = strdecode(sentence) if cut_all: re_han = re_han_cut_all re_skip = re_skip_cut_all else: re_han = re_han_default re_skip = re_skip_default if cut_all: cut_block = self.__cut_all elif HMM: cut_block = self.__cut_DAG else: cut_block...
'Finer segmentation for search engines.'
def cut_for_search(self, sentence, HMM=True):
words = self.cut(sentence, HMM=HMM) for w in words: if (len(w) > 2): for i in xrange((len(w) - 1)): gram2 = w[i:(i + 2)] if self.FREQ.get(gram2): (yield gram2) if (len(w) > 3): for i in xrange((len(w) - 2)): ...
'Load personalized dict to improve detect rate. Parameter: - f : A plain text file contains words and their ocurrences. Can be a file-like object, or the path of the dictionary file, whose encoding must be utf-8. Structure of dict file: word1 freq1 word_type1 word2 freq2 word_type2 Word type may be ignored'
def load_userdict(self, f):
self.check_initialized() if isinstance(f, string_types): f_name = f f = open(f, u'rb') else: f_name = resolve_filename(f) for (lineno, ln) in enumerate(f, 1): line = ln.strip() if (not isinstance(line, text_type)): try: line = line.deco...
'Add a word to dictionary. freq and tag can be omitted, freq defaults to be a calculated value that ensures the word can be cut out.'
def add_word(self, word, freq=None, tag=None):
self.check_initialized() word = strdecode(word) freq = (int(freq) if (freq is not None) else self.suggest_freq(word, False)) self.FREQ[word] = freq self.total += freq if tag: self.user_word_tag_tab[word] = tag for ch in xrange(len(word)): wfrag = word[:(ch + 1)] if (w...
'Convenient function for deleting a word.'
def del_word(self, word):
self.add_word(word, 0)
'Suggest word frequency to force the characters in a word to be joined or splitted. Parameter: - segment : The segments that the word is expected to be cut into, If the word should be treated as a whole, use a str. - tune : If True, tune the word frequency. Note that HMM may affect the final result. If the result doesn...
def suggest_freq(self, segment, tune=False):
self.check_initialized() ftotal = float(self.total) freq = 1 if isinstance(segment, string_types): word = segment for seg in self.cut(word, HMM=False): freq *= (self.FREQ.get(seg, 1) / ftotal) freq = max((int((freq * self.total)) + 1), self.FREQ.get(word, 1)) else...
'Tokenize a sentence and yields tuples of (word, start, end) Parameter: - sentence: the str(unicode) to be segmented. - mode: "default" or "search", "search" is for finer segmentation. - HMM: whether to use the Hidden Markov Model.'
def tokenize(self, unicode_sentence, mode=u'default', HMM=True):
if (not isinstance(unicode_sentence, text_type)): raise ValueError(u'jieba: the input parameter should be unicode.') start = 0 if (mode == u'default'): for w in self.cut(unicode_sentence, HMM=HMM): width = len(w) (yield (w, start, (start + width))) ...
'Extract keywords from sentence using TextRank algorithm. Parameter: - topK: return how many top keywords. `None` for all possible words. - withWeight: if True, return a list of (word, weight); if False, return a list of words. - allowPOS: the allowed POS list eg. [\'ns\', \'n\', \'vn\', \'v\']. if the POS of w is not ...
def textrank(self, sentence, topK=20, withWeight=False, allowPOS=(u'ns', u'n', u'vn', u'v'), withFlag=False):
self.pos_filt = frozenset(allowPOS) g = UndirectWeightedGraph() cm = defaultdict(int) words = tuple(self.tokenizer.cut(sentence)) for (i, wp) in enumerate(words): if self.pairfilter(wp): for j in xrange((i + 1), (i + self.span)): if (j >= len(words)): ...
'Extract keywords from sentence using TF-IDF algorithm. Parameter: - topK: return how many top keywords. `None` for all possible words. - withWeight: if True, return a list of (word, weight); if False, return a list of words. - allowPOS: the allowed POS list eg. [\'ns\', \'n\', \'vn\', \'v\',\'nr\']. if the POS of w is...
def extract_tags(self, sentence, topK=20, withWeight=False, allowPOS=(), withFlag=False):
if allowPOS: allowPOS = frozenset(allowPOS) words = self.postokenizer.cut(sentence) else: words = self.tokenizer.cut(sentence) freq = {} for w in words: if allowPOS: if (w.flag not in allowPOS): continue elif (not withFlag): ...
':type x: int :type y: int :rtype: int'
def hammingDistance(self, x, y):
distance = 0 z = (x ^ y) while z: distance += 1 z &= (z - 1) return distance
':type x: int :type y: int :rtype: int'
def hammingDistance2(self, x, y):
return bin((x ^ y)).count('1')
'Initialize your data structure here.'
def __init__(self):
self.__max_heap = [] self.__min_heap = []
'Adds a num into the data structure. :type num: int :rtype: void'
def addNum(self, num):
if ((not self.__max_heap) or (num > (- self.__max_heap[0]))): heappush(self.__min_heap, num) if (len(self.__min_heap) > (len(self.__max_heap) + 1)): heappush(self.__max_heap, (- heappop(self.__min_heap))) else: heappush(self.__max_heap, (- num)) if (len(self.__max_hea...
'Returns the median of current data stream :rtype: float'
def findMedian(self):
return ((((- self.__max_heap[0]) + self.__min_heap[0]) / 2.0) if (len(self.__min_heap) == len(self.__max_heap)) else self.__min_heap[0])
':type s: str :type k: int :rtype: int'
def lengthOfLongestSubstringKDistinct(self, s, k):
(longest, start, distinct_count, visited) = (0, 0, 0, [0 for _ in xrange(256)]) for (i, char) in enumerate(s): if (visited[ord(char)] == 0): distinct_count += 1 visited[ord(char)] += 1 while (distinct_count > k): visited[ord(s[start])] -= 1 if (visited...
':type root: TreeNode :rtype: List[int]'
def findFrequentTreeSum(self, root):
def countSubtreeSumHelper(root, counts): if (not root): return 0 total = ((root.val + countSubtreeSumHelper(root.left, counts)) + countSubtreeSumHelper(root.right, counts)) counts[total] += 1 return total counts = collections.defaultdict(int) countSubtreeSumHelper...
':type head: ListNode :rtype: ListNode'
def deleteDuplicates(self, head):
dummy = ListNode(0) (pre, cur) = (dummy, head) while cur: if (cur.next and (cur.next.val == cur.val)): val = cur.val while (cur and (cur.val == val)): cur = cur.next pre.next = cur else: pre.next = cur pre = cur ...
':type root: TreeNode :rtype: List[List[int]]'
def levelOrderBottom(self, root):
if (root is None): return [] (result, current) = ([], [root]) while current: (next_level, vals) = ([], []) for node in current: vals.append(node.val) if node.left: next_level.append(node.left) if node.right: next_lev...
':type s: str :type t: str :rtype: bool'
def isSubsequence(self, s, t):
if (not s): return True i = 0 for c in t: if (c == s[i]): i += 1 if (i == len(s)): break return (i == len(s))
':type board: List[List[str]] :rtype: int'
def countBattleships(self, board):
if ((not board) or (not board[0])): return 0 cnt = 0 for i in xrange(len(board)): for j in xrange(len(board[0])): cnt += int(((board[i][j] == 'X') and ((i == 0) or (board[(i - 1)][j] != 'X')) and ((j == 0) or (board[i][(j - 1)] != 'X')))) return cnt
':type s: str :rtype: int'
def countSubstrings(self, s):
def manacher(s): s = (('^#' + '#'.join(s)) + '#$') P = ([0] * len(s)) (C, R) = (0, 0) for i in xrange(1, (len(s) - 1)): i_mirror = ((2 * C) - i) if (R > i): P[i] = min((R - i), P[i_mirror]) while (s[((i + 1) + P[i])] == s[((i - 1) -...
':type matrix: List[List[int]] :type k: int :rtype: int'
def maxSumSubmatrix(self, matrix, k):
if (not matrix): return 0 m = min(len(matrix), len(matrix[0])) n = max(len(matrix), len(matrix[0])) result = float('-inf') for i in xrange(m): sums = ([0] * n) for j in xrange(i, m): for l in xrange(n): sums[l] += (matrix[j][l] if (m == len(matrix)...
':type matrix: List[List[int]] :type k: int :rtype: int'
def maxSumSubmatrix(self, matrix, k):
class BST(object, ): def __init__(self, val): self.val = val self.left = None self.right = None def insert(self, val): curr = self while curr: if (curr.val >= val): if curr.left: c...
':type root: TreeNode :rtype: int'
def diameterOfBinaryTree(self, root):
def depth(root, diameter): if (not root): return (0, diameter) (left, diameter) = depth(root.left, diameter) (right, diameter) = depth(root.right, diameter) return ((1 + max(left, right)), max(diameter, ((1 + left) + right))) return (depth(root, 1)[1] - 1)
':type nums: List[int] :type target: int :rtype: int'
def threeSumClosest(self, nums, target):
(nums, result, min_diff, i) = (sorted(nums), float('inf'), float('inf'), 0) while (i < (len(nums) - 2)): if ((i == 0) or (nums[i] != nums[(i - 1)])): (j, k) = ((i + 1), (len(nums) - 1)) while (j < k): diff = (((nums[i] + nums[j]) + nums[k]) - target) ...
':type matrix: List[List[int]] :rtype: int'
def longestIncreasingPath(self, matrix):
if (not matrix): return 0 def longestpath(matrix, i, j, max_lengths): if max_lengths[i][j]: return max_lengths[i][j] max_depth = 0 directions = [(0, (-1)), (0, 1), ((-1), 0), (1, 0)] for d in directions: (x, y) = ((i + d[0]), (j + d[1])) ...
':type n: int :rtype: int'
def countNumbersWithUniqueDigits(self, n):
if (n == 0): return 1 (count, fk) = (10, 9) for k in xrange(2, (n + 1)): fk *= (10 - (k - 1)) count += fk return count
':type str: str :rtype: bool'
def repeatedSubstringPattern(self, str):
def getPrefix(pattern): prefix = ([(-1)] * len(pattern)) j = (-1) for i in xrange(1, len(pattern)): while ((j > (-1)) and (pattern[(j + 1)] != pattern[i])): j = prefix[j] if (pattern[(j + 1)] == pattern[i]): j += 1 prefix[i]...
':type str: str :rtype: bool'
def repeatedSubstringPattern2(self, str):
if (not str): return False ss = (str + str)[1:(-1)] print ss return (ss.find(str) != (-1))
':type s: str :rtype: str'
def reverseVowels(self, s):
vowels = 'aeiou' string = list(s) (i, j) = (0, (len(s) - 1)) while (i < j): if (string[i].lower() not in vowels): i += 1 elif (string[j].lower() not in vowels): j -= 1 else: (string[i], string[j]) = (string[j], string[i]) i += 1 ...
':type x: int :rtype: int'
def reverse(self, x):
if (x < 0): return (- self.reverse((- x))) result = 0 while x: result = ((result * 10) + (x % 10)) x /= 10 return (result if (result <= 2147483647) else 0)
':type x: int :rtype: int'
def reverse2(self, x):
if (x < 0): x = int((str(x)[::(-1)][(-1)] + str(x)[::(-1)][:(-1)])) else: x = int(str(x)[::(-1)]) x = (0 if (abs(x) > 2147483647) else x) return x
':type x: int :rtype: int'
def reverse3(self, x):
s = cmp(x, 0) r = int(`(s * x)`[::(-1)]) return ((s * r) * (r < (2 ** 31)))
':type nums: List[int] :type target: int :rtype: int'
def combinationSum4(self, nums, target):
dp = ([0] * (target + 1)) dp[0] = 1 nums.sort() for i in xrange(1, (target + 1)): for j in xrange(len(nums)): if (nums[j] <= i): dp[i] += dp[(i - nums[j])] else: break return dp[target]
':type word: str :rtype: bool'
def detectCapitalUse(self, word):
return (word.isupper() or word.islower() or word.istitle())
':type A: List[List[int]] :type B: List[List[int]] :rtype: List[List[int]]'
def multiply(self, A, B):
(m, n, l) = (len(A), len(A[0]), len(B[0])) res = [[0 for _ in xrange(l)] for _ in xrange(m)] for i in xrange(m): for k in xrange(n): if A[i][k]: for j in xrange(l): res[i][j] += (A[i][k] * B[k][j]) return res
':type g: List[int] :type s: List[int] :rtype: int'
def findContentChildren(self, g, s):
g.sort() s.sort() (result, i) = (0, 0) for j in xrange(len(s)): if (i == len(g)): break if (s[j] >= g[i]): result += 1 i += 1 return result
':type N: int :rtype: int'
def maxA(self, N):
if (N < 7): return N if (N == 10): return 20 n = ((N // 5) + 1) n3 = (((5 * n) - N) - 1) n4 = (n - n3) return ((3 ** n3) * (4 ** n4))
':type N: int :rtype: int'
def maxA(self, N):
if (N < 7): return N dp = range((N + 1)) for i in xrange(7, (N + 1)): dp[(i % 6)] = max((dp[((i - 4) % 6)] * 3), (dp[((i - 5) % 6)] * 4)) return dp[(N % 6)]
':type num: int :rtype: str'
def convertToBase7(self, num):
if (num < 0): return ('-' + self.convertToBase7((- num))) if (num < 7): return str(num) return (self.convertToBase7((num // 7)) + str((num % 7)))
':type num: int :rtype: int'
def findComplement(self, num):
return (((2 ** (len(bin(num)) - 2)) - 1) - num)
':type heightMap: List[List[int]] :rtype: int'
def trapRainWater(self, heightMap):
m = len(heightMap) if (not m): return 0 n = len(heightMap[0]) if (not n): return 0 is_visited = [[False for i in xrange(n)] for j in xrange(m)] heap = [] for i in xrange(m): heappush(heap, [heightMap[i][0], i, 0]) is_visited[i][0] = True heappush(heap,...
':type root: TreeNode :type v: int :type d: int :rtype: TreeNode'
def addOneRow(self, root, v, d):
if (d in (0, 1)): node = TreeNode(v) if (d == 1): node.left = root else: node.right = root return node if (root and (d >= 2)): root.left = self.addOneRow(root.left, v, ((d - 1) if (d > 2) else 1)) root.right = self.addOneRow(root.right, v, ...
':type ransomNote: str :type magazine: str :rtype: bool'
def canConstruct(self, ransomNote, magazine):
counts = ([0] * 26) letters = 0 for c in ransomNote: if (counts[(ord(c) - ord('a'))] == 0): letters += 1 counts[(ord(c) - ord('a'))] += 1 for c in magazine: counts[(ord(c) - ord('a'))] -= 1 if (counts[(ord(c) - ord('a'))] == 0): letters -= 1 ...
':type ransomNote: str :type magazine: str :rtype: bool'
def canConstruct(self, ransomNote, magazine):
return (not (collections.Counter(ransomNote) - collections.Counter(magazine)))
':type nums: List[int] :type m: int :rtype: int'
def splitArray(self, nums, m):
def canSplit(nums, m, s): (cnt, curr_sum) = (1, 0) for num in nums: curr_sum += num if (curr_sum > s): curr_sum = num cnt += 1 return (cnt <= m) (left, right) = (0, 0) for num in nums: left = max(left, num) right...
':type matrix: List[List[int]] :type k: int :rtype: int'
def kthSmallest(self, matrix, k):
kth_smallest = 0 min_heap = [] def push(i, j): if (len(matrix) > len(matrix[0])): if ((i < len(matrix[0])) and (j < len(matrix))): heappush(min_heap, [matrix[j][i], i, j]) elif ((i < len(matrix)) and (j < len(matrix[0]))): heappush(min_heap, [matrix[i]...
':type n: int :rtype: List[str]'
def fizzBuzz(self, n):
result = [] for i in xrange(1, (n + 1)): if ((i % 15) == 0): result.append('FizzBuzz') elif ((i % 5) == 0): result.append('Buzz') elif ((i % 3) == 0): result.append('Fizz') else: result.append(str(i)) return result
':type n: int :rtype: List[str]'
def fizzBuzz2(self, n):
l = [str(x) for x in range((n + 1))] l3 = range(0, (n + 1), 3) l5 = range(0, (n + 1), 5) for i in l3: l[i] = 'Fizz' for i in l5: if (l[i] == 'Fizz'): l[i] += 'Buzz' else: l[i] = 'Buzz' return l[1:]
':type id: int :type timestamp: str :rtype: void'
def put(self, id, timestamp):
self.__logs.append((id, timestamp))
':type s: str :type e: str :type gra: str :rtype: List[int]'
def retrieve(self, s, e, gra):
i = self.__granularity[gra] begin = s[:i] end = e[:i] return sorted((id for (id, timestamp) in self.__logs if (begin <= timestamp[:i] <= end)))
':type costs: List[List[int]] :rtype: int'
def minCost(self, costs):
if (not costs): return 0 min_cost = [costs[0], [0, 0, 0]] n = len(costs) for i in xrange(1, n): min_cost[(i % 2)][0] = (costs[i][0] + min(min_cost[((i - 1) % 2)][1], min_cost[((i - 1) % 2)][2])) min_cost[(i % 2)][1] = (costs[i][1] + min(min_cost[((i - 1) % 2)][0], min_cost[((i - ...
':type costs: List[List[int]] :rtype: int'
def minCost(self, costs):
if (not costs): return 0 n = len(costs) for i in xrange(1, n): costs[i][0] += min(costs[(i - 1)][1], costs[(i - 1)][2]) costs[i][1] += min(costs[(i - 1)][0], costs[(i - 1)][2]) costs[i][2] += min(costs[(i - 1)][0], costs[(i - 1)][1]) return min(costs[(n - 1)])
':type s: TreeNode :type t: TreeNode :rtype: bool'
def isSubtree(self, s, t):
def isSame(x, y): if ((not x) and (not y)): return True if ((not x) or (not y)): return False return ((x.val == y.val) and isSame(x.left, y.left) and isSame(x.right, y.right)) def preOrderTraverse(s, t): return ((s != None) and (isSame(s, t) or preOrderTra...
':type matrix: List[List[int]] :rtype: List[int]'
def findDiagonalOrder(self, matrix):
if ((not matrix) or (not matrix[0])): return [] result = [] (row, col, d) = (0, 0, 0) dirs = [((-1), 1), (1, (-1))] for i in xrange((len(matrix) * len(matrix[0]))): result.append(matrix[row][col]) row += dirs[d][0] col += dirs[d][1] if (row >= len(matrix)): ...
':type nums: List[int] :type size: int'
def __init__(self, nums):
self.__nums = nums
'Resets the array to its original configuration and return it. :rtype: List[int]'
def reset(self):
return self.__nums
'Returns a random shuffling of the array. :rtype: List[int]'
def shuffle(self):
nums = list(self.__nums) for i in xrange(len(nums)): j = random.randint(i, (len(nums) - 1)) (nums[i], nums[j]) = (nums[j], nums[i]) return nums
':type s: str :rtype: int'
def firstUniqChar(self, s):
lookup = defaultdict(int) candidtates = set() for (i, c) in enumerate(s): if lookup[c]: candidtates.discard(lookup[c]) else: lookup[c] = (i + 1) candidtates.add((i + 1)) return ((min(candidtates) - 1) if candidtates else (-1))
':type maze: List[List[int]] :type start: List[int] :type destination: List[int] :rtype: int'
def shortestDistance(self, maze, start, destination):
(start, destination) = (tuple(start), tuple(destination)) def neighbors(maze, node): for dir in [((-1), 0), (0, 1), (0, (-1)), (1, 0)]: (cur_node, dist) = (list(node), 0) while ((0 <= (cur_node[0] + dir[0]) < len(maze)) and (0 <= (cur_node[1] + dir[1]) < len(maze[0])) and (not ma...
':type N: int :rtype: int'
def countArrangement(self, N):
def countArrangementHelper(n, arrangement): if (n <= 0): return 1 count = 0 for i in xrange(n): if (((arrangement[i] % n) == 0) or ((n % arrangement[i]) == 0)): (arrangement[i], arrangement[(n - 1)]) = (arrangement[(n - 1)], arrangement[i]) ...
':type s: str :type numRows: int :rtype: str'
def convert(self, s, numRows):
if (numRows == 1): return s (step, zigzag) = (((2 * numRows) - 2), '') for i in xrange(numRows): for j in xrange(i, len(s), step): zigzag += s[j] if ((0 < i < (numRows - 1)) and (((j + step) - (2 * i)) < len(s))): zigzag += s[((j + step) - (2 * i))] ...
':type root: TreeNode :rtype: List[float]'
def averageOfLevels(self, root):
result = [] q = collections.deque([root]) while q: (total, count) = (0, 0) next_q = collections.deque([]) while q: n = q.popleft() total += n.val count += 1 if n.left: next_q.append(n.left) if n.right: ...