How to use delete_comment method in Kiwi

Best Python code snippet using Kiwi_python

twsp.py

Source:twsp.py Github

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1#!/usr/bin/env python32# (C) 2021 gomachssm3import logging4import os5import pathlib6from copy import deepcopy7from uuid import uuid48from functools import lru_cache9from .internal_exceptions import Msg, TwspException, TwspExecuteError, TwspValidateError10from .enums import ParamStyle, CommentType11logger = logging.getLogger(__name__)12NEWLINE_CHAR = '\n'13_TN = 'tmpnm'14_VL = 'value'15_DMY = '...dummy...'16_END = '/*end*/'17_FIND_TARGETS = ('"', "'", '(', '[', '{', '--', '/*', )18_BRACKET_PARE = {'[': ']', '(': ')', '{': '}'}19# ([{'"\ 以外の一般的な記号と空白文字20_EOP_SIMPLE_PARAM = ('!', '#', '$', '%', '&', ')', '-', '=', '^', '~',21 '|', '@', '`', ';', '+', ':', '*', ']', '}',22 ',', '/', '<', '>', '?', ' ', # '.', '(', '_',23 '\t', '\n', '\r', )24_EOP_END = (_END, )25def parse_file(file_path: str, query_params=None, delete_comment=True, encoding='utf-8', newline='\n',26 paramstyle: ParamStyle = None) -> (str, dict):27 """SQLファイルを読み込み、解析を行う28 Args:29 file_path (str): 実行対象SQLのファイルパス(必須)30 query_params (dict): SQL実行時に利用するパラメータ31 delete_comment (bool): True の場合、通常コメントを削除、 False の場合は削除しない32 デフォルトは True33 encoding (str): 対象ファイルの文字コード デフォルトは utf-834 newline (str): 対象ファイルの改行コード (デフォルトは '\n')35 paramstyle (ParamStyle): 解析後のSQLパラメータ書式を決める。未指定時は `NAMED` と同じ扱い36 Returns:37 tuple(str, dict):38 str: 解析後のSQL39 dict: パラメータ更新後のdict40 """41 try:42 base_sql = _open_file(file_path, encoding=encoding)43 sql, qparams = parse_sql(base_sql, query_params, delete_comment=delete_comment, newline=newline,44 paramstyle=paramstyle)45 return sql, qparams46 except TwspException as e:47 logger.error(e.msg_txt)48def parse_sql(base_sql: str, query_params=None, delete_comment=True, newline='\n',49 paramstyle: ParamStyle = None) -> (str, dict):50 """SQLの解析を行う.51 Args :52 base_sql (str): 解析対象SQL(必須)53 query_params (dict): SQL実行時に利用するパラメータ54 delete_comment (bool): True の場合、通常コメントを削除、 False の場合は削除しない (デフォルトは True)55 newline (str): SQLに含まれる改行コード (デフォルトは '\n')56 paramstyle (ParamStyle): 解析後のSQLパラメータ書式を決める。未指定時は `NAMED` と同じ扱い57 Returns:58 tuple(str, dict):59 str: 解析後のSQL60 dict: パラメータ更新後のdict61 """62 global NEWLINE_CHAR63 NEWLINE_CHAR = newline64 pstyle = paramstyle or ParamStyle.NAMED65 _validate_paramstyle(pstyle)66 # PARAMSTYLEの値に応じたパラメータ書式のセット67 # TODO: グローバルではなく、引数で持ち回せるようにしたい68 prmfmt = pstyle.value69 try:70 qparams = deepcopy(query_params) if query_params else {}71 _is_collect_type('base_sql', base_sql, str)72 _is_collect_type('query_params', qparams, dict)73 # base_sql = _format_line_forifend(base_sql)74 sql, _, _ = _parse(base_sql, qparams, delete_comment, prmfmt)75 return sql, qparams76 except TwspException as e:77 logger.error(e)78 # logger.error(e.msg_txt)79def _parse(base_sql: str, qparams: dict, delete_comment: bool, prmfmt: str, eop=None, tmp_params=None,80 after_pcmt=False, ldng_sp_cnt=0) -> (str, int, int):81 """ SQLを解析してパラメータを埋め込む82 Args:83 base_sql (str): 元となるSQL84 qparams (dict): パラメータ85 delete_comment (bool): コメント削除フラグ86 eop (tuple->str or None): 解析終了文字 End of parse87 tmp_params (dict): for内の一時パラメータ default: None88 after_pcmt (bool): パラメータ直後フラグ default: False89 ldng_sp_cnt (int): 行頭から続く空白文字の個数 default: 090 Returns:91 tuple:92 str: 構築したSQL93 int: 最後の改行から連続したスペースの個数94 1以上: その個数分のスペースが末尾に存在する95 0以下: 末尾にスペースが存在しない96 int: return時のインデックス97 """98 q = []99 max_idx = len(base_sql)100 i = 0101 tmp_params = tmp_params if tmp_params else {}102 while i < max_idx and not _startswith_eop(base_sql, i, eop):103 c, cc, i = _next_chars(base_sql, i, max_idx, eop)104 c, i, del_last_sp = _parse_switch_by_char(base_sql, c, cc, i, qparams, delete_comment, tmp_params, after_pcmt,105 ldng_sp_cnt, prmfmt)106 if del_last_sp:107 q = _delete_last_space(q)108 ldng_sp_cnt = _update_blank_line(ldng_sp_cnt, c)109 q.append(c)110 result = ''.join(q)111 return result, ldng_sp_cnt, i112def _parse_switch_by_char(base_sql: str, c: str, cc: str, i: int, qparams: dict, delete_comment: bool,113 tmp_params: dict, after_pcmt: bool, ldng_sp_cnt: int, prmfmt: str) -> (str, int, bool):114 del_last_sp = False115 if c in ("'", '"', '(', '[', '{'):116 c, i = _nextstring(c, base_sql, i, qparams, delete_comment, after_pcmt)117 elif cc == '--':118 # 行コメント -- の場合119 c, addi = _get_single_line_comment(base_sql[i - 1:], delete_comment)120 i += addi - 1121 elif cc == '/*':122 # 複数行コメント /*...*/ の場合123 c, addi, del_last_sp = _get_multi_line_comment(base_sql[i - 1:], qparams, delete_comment, tmp_params,124 ldng_sp_cnt, prmfmt)125 i += addi - 1126 return c, i, del_last_sp127def _nxtchr(string: str, idx: int):128 return string[idx], idx + 1129def _fnd(string: str, target: str):130 index = string.find(target)131 return index if 0 <= index else len(string)132def _next_chars(string: str, idx: int, mxidx: int, eop=None) -> (str, str, int):133 targets = _FIND_TARGETS + eop if eop else _FIND_TARGETS134 min_idx = min([_fnd(string[idx:], tgt) for tgt in targets])135 if min_idx == 0:136 c, i = _nxtchr(string, idx)137 cc = f'{c}{string[i]}' if i < mxidx else None138 else:139 i = idx + min_idx140 c = string[idx:i]141 cc = c142 return c, cc, i143def _nextstring(c: str, base_sql: str, i: int, qparams: dict, delete_comment: bool, after_pcmt: bool) -> (str, int):144 addi = 0145 if c in ("'", '"'):146 # ' か " の文字列の場合147 c, addi = _nextquote(c, base_sql[i:])148 elif after_pcmt and c in ('(', '[', '{'):149 # パラメータ直後が括弧の場合150 c, addi = _nextbracket(c, base_sql[i:], qparams, delete_comment)151 return c, i + addi152def _nextquote(quote: str, sql_after_quote: str) -> (str, int):153 chars = [quote]154 max_idx = len(sql_after_quote) - 1155 addi = 0156 while addi <= max_idx:157 c, addi = _nxtchr(sql_after_quote, addi)158 if c == quote:159 # 2連続のクォート以外の場合、文字列はそこまで160 if max_idx <= addi or sql_after_quote[addi + 1] != quote:161 chars.append(c)162 break163 chars.append(c)164 c, addi = _nxtchr(sql_after_quote, addi)165 chars.append(c)166 quote_string = ''.join(chars)167 return quote_string, addi168def _nextbracket(openbrkt: str, sql_after_brkt: str, qparams: dict, delete_comment: bool) -> (str, int):169 closingbrkt = _BRACKET_PARE.get(openbrkt)170 chars = [openbrkt]171 max_idx = len(sql_after_brkt) - 1172 addi = 0173 while addi <= max_idx:174 c, addi = _nxtchr(sql_after_brkt, addi)175 chars.append(c)176 if c == closingbrkt:177 break178 bracket_strings = ''.join(chars)179 return bracket_strings, addi180def _get_single_line_comment(sql_comment: str, delete_comment: bool) -> (str, int):181 c, addi = _single_line_comment(sql_comment)182 if delete_comment:183 c = ''184 return c, addi185def _single_line_comment(sql_comment: str) -> (str, int):186 # この関数が呼び出される時、文字列は必ず -- から始まる187 maxlen = len(sql_comment)188 new_line_idx = sql_comment.find(NEWLINE_CHAR)189 new_line_idx = maxlen if new_line_idx < 0 else new_line_idx190 comment_string = sql_comment[:new_line_idx]191 return comment_string, new_line_idx192def _get_multi_line_comment(sql_comment: str, qparams: dict, delete_comment: bool, tmp_params: dict,193 ldng_sp_cnt: int, prmfmt: str) -> (str, int, bool):194 c, addi, is_comment, delete_last_sp = _multi_line_comment(sql_comment, qparams, delete_comment, tmp_params,195 ldng_sp_cnt, prmfmt)196 if is_comment and delete_comment:197 c = ''198 return c, addi, delete_last_sp199def _multi_line_comment(sql_comment: str, qparams: dict, delete_comment: bool, tmp_params: dict,200 ldng_sp_cnt: int, prmfmt: str) -> (str, int, bool):201 # この関数が呼び出される時、文字列は必ず /* から始まる202 cmtype, comment_string = _check_comment_type(sql_comment)203 is_comment = False204 del_last_sp = False205 # ex: comment_string : "/*:parameter*/"206 # after_comment : "'hogehoge' from xxx"207 after_comment = sql_comment[len(comment_string):]208 if cmtype is CommentType.PARAM: # /*:param*/209 comment_string, idx = _parse_param_comment(comment_string, after_comment, qparams, tmp_params, prmfmt)210 elif cmtype is CommentType.DIRECT: # /*$param*/211 comment_string, idx = _parse_direct_comment(comment_string, after_comment, qparams, tmp_params, prmfmt)212 elif cmtype is CommentType.IFEND: # /*%if ~*/213 # TODO: ELSE対応214 comment_string, idx, del_last_sp = _parse_if_comment(215 comment_string, after_comment, qparams, delete_comment, tmp_params, ldng_sp_cnt, prmfmt)216 elif cmtype is CommentType.FOREND: # /*%for ~*/217 comment_string, idx, del_last_sp = _parse_for_comment(218 comment_string, after_comment, qparams, delete_comment, tmp_params, ldng_sp_cnt, prmfmt)219 elif cmtype is CommentType.NORMAL:220 is_comment = True221 idx = len(comment_string)222 else:223 raise TwspException(Msg.E0003, sql_comment)224 return comment_string, idx, is_comment, del_last_sp225def _parse_param_comment(comment_string: str, after_comment: str, qparams: dict, tmp_params: dict,226 prmfmt: str) -> (str, int):227 """228 Args:229 comment_string (str): コメント部分の文字列230 ex: /*:any_parameter*/231 after_comment (str): コメント直後の文字列232 Returns:233 tuple:234 str:235 int:236 """237 bind_name, _, load_len = _parse_simple_comment(comment_string, after_comment, qparams, tmp_params, prmfmt)238 return bind_name, load_len239def _parse_direct_comment(comment_string: str, after_comment: str, qparams: dict, tmp_params: dict,240 prmfmt: str) -> (str, int):241 """242 Args:243 comment_string (str): コメント部分の文字列244 ex: /*$any_parameter*/245 after_comment (str): コメント直後の文字列246 qparams (dict): SQL実行時に利用するパラメータ247 Returns:248 tuple:249 str:250 int:251 """252 merged_params = _merge_qparams(qparams, tmp_params)253 _, value, load_len = _parse_simple_comment(comment_string, after_comment, merged_params, {}, prmfmt)254 return value, load_len255def _parse_simple_comment(comment_string: str, after_comment: str, qparams: dict, tmp_params: dict,256 prmfmt: str) -> (str, str, int):257 # comment_string: '/*:param*/' or '/*$param*/'258 param_name = comment_string[3:-2]259 bind_name, value = _update_qparams_if_exist_tmp(param_name, qparams, tmp_params, prmfmt)260 dummy_value, _, _ = _parse(after_comment, {}, False, prmfmt, eop=_EOP_SIMPLE_PARAM, after_pcmt=True)261 load_len = len(comment_string) + len(dummy_value)262 return bind_name, value, load_len263def _update_qparams_if_exist_tmp(param: str, qparams: dict, tmp_params: dict, prmfmt: str):264 tmp_name = tmp_params.get(param, {}).get(_TN)265 if _tmpp_is_dummy(tmp_params):266 # tmp_paramsがダミーの場合267 updated_bind_name = prmfmt.format(param)268 updated_param_value = ''269 elif tmp_name is not None:270 updated_bind_name = prmfmt.format(tmp_name)271 updated_param_value = tmp_params.get(param, {}).get(_VL)272 qparams[tmp_name] = updated_param_value273 else:274 updated_bind_name = prmfmt.format(param)275 updated_param_value = qparams.get(param)276 return updated_bind_name, f'{updated_param_value}'277def _parse_if_comment(comment_string: str, after_comment: str, qparams: dict, delete_comment: bool,278 tmp_params: dict, ldng_sp_cnt: int, prmfmt: str) -> (str, int, bool):279 if_strings, after_idx, del_last_sp = _get_str_in_forif(after_comment, qparams, delete_comment, tmp_params,280 ldng_sp_cnt, prmfmt)281 is_true = _execute_if_statement(comment_string[3:-2], qparams, tmp_params)282 output_value = ''.join(if_strings) if is_true else ''283 addi = len(comment_string) + after_idx284 return output_value, addi, del_last_sp285def _parse_for_comment(comment_string: str, after_comment: str, qparams: dict, delete_comment: bool,286 tmp_params: dict, ldng_sp_cnt: int, prmfmt: str) -> (str, int, bool):287 # comment_string: /*%for x in list_obj*/288 # after_comment: .*/*end*/289 for_strings, after_idx, del_last_sp = [], 0, False290 # 最後の1回はfor~endまでの文字数カウントのため、ダミーで空dictが返される291 for tmp_params in _get_for_variable_names(comment_string, qparams, tmp_params):292 _for_strings, after_idx, del_last_sp = _get_str_in_forif(after_comment, qparams, delete_comment, tmp_params,293 ldng_sp_cnt, prmfmt)294 for_strings.append(_for_strings)295 # 最後の1ループ分は無視296 output_value = ''.join(for_strings[:-1])297 addi = len(comment_string) + after_idx298 return output_value, addi, del_last_sp299def _get_for_variable_names(for_comment: str, qparams: dict, tmp_params: dict) -> dict:300 """301 Args:302 for_comment (str): '/*%for x in xxx*/'303 qparams (dict):304 tmp_params (dict):305 ex1: {}306 ex2:307 ex3: {__DMY: True}308 Returns:309 """310 vnames = [v.strip() for v in for_comment[7:-2].split(' in ')[0].split(',')]311 merged_params = _merge_qparams(qparams, tmp_params)312 vnames_str = ",".join(vnames)313 for_statement = f'for {vnames_str} in []' if _tmpp_is_dummy(tmp_params) else for_comment[3:-2]314 try:315 values_list = eval(f'[({vnames_str}) {for_statement}]', {}, merged_params)316 except Exception as e:317 raise TwspExecuteError(Msg.E0008, e, for_statement)318 prefix = str(uuid4()).replace('-', '_')319 for tmp_variable in _enum_temp_variables(vnames, values_list, prefix):320 yield {**tmp_params, **tmp_variable}321 yield {_DMY: True}322 # 変数名のリスト323 # for a in range(3)なら324 # -> {'a': {'tmpnm': 'xxxxxxxxxxxx_0_a', 'value': 0}}325 # -> {'a': {'tmpnm': 'xxxxxxxxxxxx_1_a', 'value': 1}}326 # -> {'a': {'tmpnm': 'xxxxxxxxxxxx_2_a', 'value': 2}}327 # -> {__DMY: True}328 # for a,b,c in zip(['A', 'b'], ['I', 'j'], ['X', 'y'])なら、329 # -> {'a': {'tmpnm': 'xxxxxxxxxxxx_0_a', 'value': 'A'},330 # 'b': {'tmpnm': 'xxxxxxxxxxxx_0_b', 'value': 'I'},331 # 'c': {'tmpnm': 'xxxxxxxxxxxx_0_c', 'value': 'X'}}332 # -> {'a': {'tmpnm': 'xxxxxxxxxxxx_1_a', 'value': 'b'},333 # 'b': {'tmpnm': 'xxxxxxxxxxxx_1_b', 'value': 'j'},334 # 'c': {'tmpnm': 'xxxxxxxxxxxx_1_c', 'value': 'y'}}335 # -> {__DMY: True}336def _enum_temp_variables(vnames: list, values_list: list, prefix: str):337 if len(vnames) == 1:338 for vi, values in enumerate(values_list):339 vname = vnames[0]340 tmp_name = _gen_tmp_name(vname, vi, prefix)341 yield {vname: {_TN: tmp_name, _VL: values}}342 else:343 for vi, values in enumerate(values_list):344 tmpdct = {}345 for ni, vname in enumerate(vnames):346 tmp_name = _gen_tmp_name(vname, vi, prefix)347 tmpdct[vname] = {_TN: tmp_name, _VL: values[ni]}348 yield tmpdct349def _gen_tmp_name(vname: str, loop_count: int, prefix: str) -> str:350 name = f'{prefix}_{loop_count}_{vname}'351 return name352def _get_str_in_forif(after_comment: str, qparams: dict, delete_comment: bool, tmp_params: dict,353 ldng_sp_cnt: int, prmfmt: str) -> (str, int, bool):354 """355 Args:356 after_comment (str): /*%for ~*/または/*%if ~*/の直後に続く文字列357 qparams (dict): パラメータ358 delete_comment (bool):359 tmp_params (dict):360 ldng_sp_cnt (int):361 Returns:362 """363 # for ~ end、や if ~ end に挟まれた文字を取得する364 nextq, after_idx, del_last_sp = _nxtq_in_forif(after_comment, ldng_sp_cnt)365 # 改行削除済みの場合、 ldng_sp_cnt は 0 から366 ldng_sp_cnt = -1 if after_comment == nextq else 0367 output_value, _, vlen = _parse(nextq, qparams, delete_comment, prmfmt, _EOP_END, tmp_params=tmp_params,368 ldng_sp_cnt=ldng_sp_cnt)369 nextq = nextq[vlen:]370 after_idx += vlen371 output_value, addi = _end_in_forif(output_value, nextq)372 after_idx += addi373 return output_value, after_idx, del_last_sp374def _nxtq_in_forif(nextq: str, ldng_sp_cnt: int) -> (str, int, bool):375 if 0 <= ldng_sp_cnt:376 nlidx = nextq.find(NEWLINE_CHAR) + 1377 if nextq[:nlidx].strip() == '':378 return nextq[nlidx:], nlidx, True379 return nextq, 0, False380def _end_in_forif(output_value: str, nextq: str) -> (str, int):381 # /*end*/が見つからずSQLの末尾に到達した場合382 if not nextq:383 return output_value, 0384 # nextq: '/*end*/\n order by ~'385 # /*end*/ でsplitするのは1回のみ386 target_last_line = output_value.split(NEWLINE_CHAR)[-1]387 next_first_line = nextq.split(NEWLINE_CHAR, 1)[0]388 sp_stripped = f'{target_last_line}{next_first_line}'.strip(' ')389 if sp_stripped == _END:390 # /*end*/の行に含まれる文字がスペースのみの場合、次の行から読み込ませる391 newline_len = len(NEWLINE_CHAR)392 output_idx = len(output_value) - len(target_last_line)393 forif_string = output_value[:output_idx]394 add_idx = len(next_first_line) + newline_len395 return forif_string, add_idx396 else:397 # /*end*/までの文字数を返す len('/*end*/')398 return output_value, 7399def _is_continue(string: str, end_str: str):400 if not string or string.startswith(end_str):401 return False402 return True403def _execute_if_statement(statement: str, qparams: dict, tmp_params: dict) -> bool:404 # statement: "if BOOL_EXPRESSION"405 if _tmpp_is_dummy(tmp_params):406 return True407 try:408 tparams = {}409 for key, value in _tmpp_items(tmp_params):410 tparams[key] = value411 is_true = eval(f'True {statement} else False', {}, {**qparams, **tparams})412 except NameError as e:413 raise TwspExecuteError(Msg.E0005, e, statement)414 if type(is_true) != bool:415 raise TwspExecuteError(Msg.E0006, statement)416 return is_true417def _check_comment_type(sql_after_comment: str) -> (CommentType, str):418 # /*:param*/ -> :param 利用できる文字は英数字とアンダースコア419 # /*$param*/ -> {param} 利用できる文字は英数字とアンダースコア420 # /*%if a == b*/hoge/*end*/ -> 条件がTrueの場合、/*end*/までに挟まれた部分が出力421 # /*%for a in b*/and a /*end*/ -> and a and a and a and a ... iterate by b422 # other patterns are multi line comment.423 for ctyp in CommentType:424 matched = ctyp.value.findall(sql_after_comment)425 if len(matched) > 0:426 return ctyp, matched[0]427def __get_cache_maxsize() -> int:428 default_size = 20429 env_size = os.getenv('TWSP_CACHE_SIZE')430 try:431 size = int(env_size)432 except Exception:433 size = None434 return size if size else default_size435@lru_cache(maxsize=__get_cache_maxsize())436def _open_file(file_path, encoding='utf-8'):437 _is_collect_type('file_path', file_path, str)438 if not _is_absolute(file_path):439 raise TwspValidateError(Msg.E0002, file_path)440 with open(file_path, 'r', encoding=encoding) as f:441 return f.read()442def _is_absolute(path):443 p = pathlib.Path(path)444 return p.is_absolute()445def _is_collect_type(argname, value, expected_type):446 if type(value) != expected_type:447 raise TwspValidateError(Msg.E0001, argname, expected_type, type(value))448def _startswith_eop(base_sql: str, i: int, eop: list) -> bool:449 if not eop:450 return False451 for e in eop:452 if base_sql[i:].startswith(f'{e}'):453 return True454 return False455def _update_blank_line(ldng_sp_cnt: int, c: str) -> int:456 if not c:457 return ldng_sp_cnt458 ridx = c.rfind(NEWLINE_CHAR)459 if ldng_sp_cnt < 0 and ridx < 0 == 1:460 return -1461 after_nl = c[ridx + 1:]462 if after_nl.lstrip(' ') == '':463 # 改行後、全部スペースの場合464 return len(after_nl)465 else:466 return -1467def _delete_last_space(q: list) -> list:468 idx = len(q) - 1469 while -1 < idx:470 idx_str = q[idx].rstrip(' ')471 if idx_str:472 q[idx] = idx_str473 break474 del q[idx]475 idx -= 1476 return q477# #######################################478# temp_params479# #######################################480def _tmpp_is_dummy(tmpp: dict) -> bool:481 return True if tmpp.get(_DMY) is True else False482def _tmpp_items(tmpp: dict) -> (any, any):483 for key, v in tmpp.items():484 value = v.get(_VL)485 yield key, value486def _merge_qparams(qparams: dict, tmp_params: dict) -> dict:487 if _tmpp_is_dummy(tmp_params):488 return {**qparams}489 merged_params = {**qparams}490 for key, value in _tmpp_items(tmp_params):491 merged_params[key] = value492 return merged_params493def _validate_paramstyle(paramstyle):494 if (not isinstance(paramstyle, ParamStyle)) or paramstyle not in ParamStyle:495 ps = [f'{p.__class__.__name__}.{p.name}' for p in ParamStyle]496 raise TwspValidateError(Msg.E0009, f'{", ".join(ps[:-1])}', ps[-1], paramstyle)...

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urls.py

Source:urls.py Github

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1"""2 @author:Mindfire3 @dateCreated:4 url container file which contaiins all the url variables of blog apps.5"""6from django.conf.urls.defaults import *7from blog.models import *8from django.core.urlresolvers import reverse9from blog import views10urlpatterns = patterns('',11 url(r"^(\d+)/$", views.post, name='post'),12 url(r"^add_comment/(\d+)/$", views.add_comment, name='add_comment'),13 url(r"^delete_comment/(\d+)/$", views.delete_comment, name='delete_comment'),14 url(r"^delete_comment/(\d+)/(\d+)/$", views.delete_comment, name='delete_comment'),15 url(r"^month/(\d+)/(\d+)/$", "month"),16 url(r'^$', views.main, name='main'),...

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