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paulo@117
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1 import csv
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2 import datetime
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3 import os
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4
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5 import flask
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6
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7 from html3.html3 import HTML
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8
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9 app = flask.Flask(__name__)
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10
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11 PIN = os.environ.get('LLPIN')
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12 STRTIME_FMT = "%Y-%m-%d %H:%M:%S"
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13
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14
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15 class LLDialect(csv.Dialect):
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16 delimiter = '\t'
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17 quoting = csv.QUOTE_NONE
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18 lineterminator = '\n'
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19
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20
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21 LLDIALECT = LLDialect()
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22 LLDB_FN = "lldb.tsv"
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23 LLDB_UNREAD_FN = "lldb_unread.tsv"
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24
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25
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26 class LLError(Exception):
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27 pass
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28
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29 class PinFailError(LLError):
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30 def __str__(self):
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31 return "PIN FAIL!"
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32
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33 class PinSetupError(LLError):
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34 def __str__(self):
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35 return "PIN SETUP ERROR!"
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36
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37 class MissingFieldsError(LLError):
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38 def __str__(self):
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39 return "MISSING FIELD(s)!"
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40
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41
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42 def lldb_unread_load():
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43 return csv.reader(open(LLDB_UNREAD_FN), LLDIALECT)
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44
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45
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46 def lldb_add(inp):
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47 title = inp.get("title")
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48 url = inp.get("url")
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49 if not (title and url):
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50 raise MissingFieldsError()
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51
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52 dt_str = datetime.datetime.now().strftime(STRTIME_FMT)
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53 with open(LLDB_FN, 'a') as lldb_f:
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54 csv.writer(lldb_f, LLDIALECT).writerow([title, url, dt_str])
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55 with open(LLDB_UNREAD_FN, 'a') as lldb_f:
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56 csv.writer(lldb_f, LLDIALECT).writerow([title, url, dt_str])
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57
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58
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59 def lldb_unread_delete(inp):
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60 delete = inp.getlist("delete")
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61 if not delete:
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62 raise MissingFieldsError()
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63
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64 lldb_unread = [i for i in lldb_unread_load()]
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65 lldb_unread_f = open(LLDB_UNREAD_FN, 'w')
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66
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67 try:
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68 for i in delete:
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69 for j in lldb_unread:
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70 dt_str = j[2]
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71 if i == dt_str:
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72 lldb_unread.remove(j)
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73 finally:
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74 csv.writer(lldb_unread_f, LLDIALECT).writerows(lldb_unread)
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75 lldb_unread_f.close()
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76
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77
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78
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79 @app.route("/", methods=["GET", "POST"])
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80 def index():
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81 is_post = (flask.request.method == "POST")
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82 inp = flask.request.form
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83 cookies = flask.request.cookies
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84
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85 if is_post:
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86 if not PIN:
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87 raise PinSetupError
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88 elif cookies.get("llpin") != PIN:
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89 raise PinFailError
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90
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91 if inp["submit"] == "Add":
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92 lldb_add(inp)
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93 elif inp["submit"] == "Delete":
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94 lldb_unread_delete(inp)
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95
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96 title = "later links..."
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97 root = HTML("html")
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98
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99 header = root.head
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100 header.link(rel="stylesheet", type="text/css", href=flask.url_for("static", filename="index.css"))
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101 header.title(title)
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102
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103 body = root.body
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104 body.h1(title)
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105
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106 form = body.form(action="/", method="post")
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107
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108 table = form.table
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109 hrow = table.tr
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110 hrow.th("Link")
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111 hrow.th("Created")
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112 hrow.th.input(type="submit", name="submit", value="Delete")
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113
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114 for (title, url, dt_str) in lldb_unread_load():
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115 row = table.tr
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116 row.td.a(title, href=url)
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117 row.td(dt_str)
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118 row.td.input(type="checkbox", name="delete", value=dt_str)
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119
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120 p1 = form.p
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121 p1.label("Title").input(type="text", name="title", size="64")
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122 p1.br
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123 p1.label("URL").input(type="text", name="url", size="64")
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124 p1.br
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125 p1.input(type="submit", name="submit", value="Add")
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126
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127 return str(root).encode("utf-8")
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