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<!DOCTYPE html>
<html>
<head>
<meta http-equiv="content-type" content="text/html;charset=utf-8">
<title>schema.py</title>
<link rel="stylesheet" href="pycco.css">
</head>
<body>
<div id='container'>
<div id="background"></div>
<div class='section'>
<div class='docs'><h1>schema.py</h1></div>
</div>
<div class='clearall'>
<div class='section' id='section-0'>
<div class='docs'>
<div class='octowrap'>
<a class='octothorpe' href='#section-0'>#</a>
</div>
</div>
<div class='code'>
<div class="highlight"><pre><span></span><span class="kn">import</span> <span class="nn">os</span>
<span class="kn">import</span> <span class="nn">json</span>
<span class="kn">import</span> <span class="nn">re</span>
<span class="kn">import</span> <span class="nn">urllib.parse</span>
<span class="kn">from</span> <span class="nn">collections</span> <span class="kn">import</span> <span class="n">OrderedDict</span>
<span class="kn">import</span> <span class="nn">singer</span>
<span class="kn">from</span> <span class="nn">singer</span> <span class="kn">import</span> <span class="n">metadata</span>
<span class="kn">from</span> <span class="nn">tap_google_sheets.streams</span> <span class="kn">import</span> <span class="n">STREAMS</span>
<span class="n">LOGGER</span> <span class="o">=</span> <span class="n">singer</span><span class="o">.</span><span class="n">get_logger</span><span class="p">()</span></pre></div>
</div>
</div>
<div class='clearall'></div>
<div class='section' id='section-1'>
<div class='docs'>
<div class='octowrap'>
<a class='octothorpe' href='#section-1'>#</a>
</div>
<p>Convert column index to column letter</p>
</div>
<div class='code'>
<div class="highlight"><pre><span class="k">def</span> <span class="nf">colnum_string</span><span class="p">(</span><span class="n">num</span><span class="p">):</span></pre></div>
</div>
</div>
<div class='clearall'></div>
<div class='section' id='section-2'>
<div class='docs'>
<div class='octowrap'>
<a class='octothorpe' href='#section-2'>#</a>
</div>
</div>
<div class='code'>
<div class="highlight"><pre> <span class="n">string</span> <span class="o">=</span> <span class="s2">""</span>
<span class="k">while</span> <span class="n">num</span> <span class="o">></span> <span class="mi">0</span><span class="p">:</span>
<span class="n">num</span><span class="p">,</span> <span class="n">remainder</span> <span class="o">=</span> <span class="nb">divmod</span><span class="p">(</span><span class="n">num</span> <span class="o">-</span> <span class="mi">1</span><span class="p">,</span> <span class="mi">26</span><span class="p">)</span>
<span class="n">string</span> <span class="o">=</span> <span class="nb">chr</span><span class="p">(</span><span class="mi">65</span> <span class="o">+</span> <span class="n">remainder</span><span class="p">)</span> <span class="o">+</span> <span class="n">string</span>
<span class="k">return</span> <span class="n">string</span></pre></div>
</div>
</div>
<div class='clearall'></div>
<div class='section' id='section-3'>
<div class='docs'>
<div class='octowrap'>
<a class='octothorpe' href='#section-3'>#</a>
</div>
<hr />
</div>
<div class='code'>
<div class="highlight"><pre></pre></div>
</div>
</div>
<div class='clearall'></div>
<div class='section' id='section-4'>
<div class='docs'>
<div class='octowrap'>
<a class='octothorpe' href='#section-4'>#</a>
</div>
<p>The goal of this function is to get the JSON schema of the sheet you pass in. Our return values here
are <code>sheet_json_schema</code> and <code>columns</code>, an <code>OrderedDict</code> and a list respectively.</p>
</div>
<div class='code'>
<div class="highlight"><pre></pre></div>
</div>
</div>
<div class='clearall'></div>
<div class='section' id='section-5'>
<div class='docs'>
<div class='octowrap'>
<a class='octothorpe' href='#section-5'>#</a>
</div>
<p>This function is massive and we will discuss it in the following parts:</p>
</div>
<div class='code'>
<div class="highlight"><pre></pre></div>
</div>
</div>
<div class='clearall'></div>
<div class='section' id='section-6'>
<div class='docs'>
<div class='octowrap'>
<a class='octothorpe' href='#section-6'>#</a>
</div>
<ul>
<li>Part 1</li>
<li>Part 2<ul>
<li>Part 2A</li>
<li>Part 2B<ul>
<li>Part 3</li>
<li>Part 4</li>
</ul>
</li>
</ul>
</li>
</ul>
</div>
<div class='code'>
<div class="highlight"><pre></pre></div>
</div>
</div>
<div class='clearall'></div>
<div class='section' id='section-7'>
<div class='docs'>
<div class='octowrap'>
<a class='octothorpe' href='#section-7'>#</a>
</div>
<p>Part 1 is just setting up constants and variables. We can skim through this part.</p>
</div>
<div class='code'>
<div class="highlight"><pre></pre></div>
</div>
</div>
<div class='clearall'></div>
<div class='section' id='section-8'>
<div class='docs'>
<div class='octowrap'>
<a class='octothorpe' href='#section-8'>#</a>
</div>
<p>Part 2 is split into two parts because it’s a loop over the column and there’s two ways to handle a
column.</p>
</div>
<div class='code'>
<div class="highlight"><pre></pre></div>
</div>
</div>
<div class='clearall'></div>
<div class='section' id='section-9'>
<div class='docs'>
<div class='octowrap'>
<a class='octothorpe' href='#section-9'>#</a>
</div>
<p>We’ll consider 2A to be the “skip this column” case.</p>
</div>
<div class='code'>
<div class="highlight"><pre></pre></div>
</div>
</div>
<div class='clearall'></div>
<div class='section' id='section-10'>
<div class='docs'>
<div class='octowrap'>
<a class='octothorpe' href='#section-10'>#</a>
</div>
<p>We’ll consider 2B as the “not skipped” case. In which we determine a field’s type (Part 3) and then
use the type to decide the JSON Schema (Part 4).</p>
</div>
<div class='code'>
<div class="highlight"><pre></pre></div>
</div>
</div>
<div class='clearall'></div>
<div class='section' id='section-11'>
<div class='docs'>
<div class='octowrap'>
<a class='octothorpe' href='#section-11'>#</a>
</div>
<hr />
<p>Create sheet_metadata_json with columns from sheet</p>
</div>
<div class='code'>
<div class="highlight"><pre><span class="k">def</span> <span class="nf">get_sheet_schema_columns</span><span class="p">(</span><span class="n">sheet</span><span class="p">):</span></pre></div>
</div>
</div>
<div class='clearall'></div>
<div class='section' id='section-12'>
<div class='docs'>
<div class='octowrap'>
<a class='octothorpe' href='#section-12'>#</a>
</div>
<p>The input to this function is shaped like</p>
<pre><code class="language-JSON">{
"data" : [
{
"rowData": [
{"values": <thing 1>},
{"values": <thing 2>}
]
}
]
}
</code></pre>
<p>Return Values</p>
<ul>
<li>
<p>columns</p>
<ul>
<li>A <code>column</code> that goes into <code>columns</code> is a dictionary with keys <code>"columnIndex"</code>,
<code>"columnLetter"</code>, <code>"columnName"</code>, <code>"columnType"</code>, and <code>"columnSkipped"</code>.</li>
</ul>
</li>
<li>
<p>sheet_json_schema</p>
<ul>
<li>A <code>col_properties</code> that goes into <code>sheet_json_schema['properties'][column_name]</code> is the JSON
schema of <code>column_name</code>.</li>
</ul>
</li>
</ul>
</div>
<div class='code'>
<div class="highlight"><pre> <span class="n">sheet_title</span> <span class="o">=</span> <span class="n">sheet</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s1">'properties'</span><span class="p">,</span> <span class="p">{})</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s1">'title'</span><span class="p">)</span>
<span class="n">sheet_json_schema</span> <span class="o">=</span> <span class="n">OrderedDict</span><span class="p">()</span>
<span class="n">data</span> <span class="o">=</span> <span class="nb">next</span><span class="p">(</span><span class="nb">iter</span><span class="p">(</span><span class="n">sheet</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s1">'data'</span><span class="p">,</span> <span class="p">[])),</span> <span class="p">{})</span>
<span class="n">row_data</span> <span class="o">=</span> <span class="n">data</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s1">'rowData'</span><span class="p">,</span> <span class="p">[])</span>
<span class="k">if</span> <span class="n">row_data</span> <span class="o">==</span> <span class="p">[]:</span>
<span class="n">LOGGER</span><span class="o">.</span><span class="n">info</span><span class="p">(</span><span class="s1">'SKIPPING Empty Sheet: </span><span class="si">{}</span><span class="s1">'</span><span class="o">.</span><span class="n">format</span><span class="p">(</span><span class="n">sheet_title</span><span class="p">))</span>
<span class="k">return</span> <span class="kc">None</span><span class="p">,</span> <span class="kc">None</span></pre></div>
</div>
</div>
<div class='clearall'></div>
<div class='section' id='section-13'>
<div class='docs'>
<div class='octowrap'>
<a class='octothorpe' href='#section-13'>#</a>
</div>
<p>So this function starts by unpacking it into two lists, <code>headers</code> and <code>first_values</code>, which is
“thing 1” and “thing 2” respectively.</p>
</div>
<div class='code'>
<div class="highlight"><pre> <span class="n">headers</span> <span class="o">=</span> <span class="n">row_data</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s1">'values'</span><span class="p">,</span> <span class="p">[])</span>
<span class="n">first_values</span> <span class="o">=</span> <span class="n">row_data</span><span class="p">[</span><span class="mi">1</span><span class="p">]</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s1">'values'</span><span class="p">,</span> <span class="p">[])</span></pre></div>
</div>
</div>
<div class='clearall'></div>
<div class='section' id='section-14'>
<div class='docs'>
<div class='octowrap'>
<a class='octothorpe' href='#section-14'>#</a>
</div>
<p>All of the objects in <code>headers</code> and <code>first_values</code> have the following shape:</p>
</div>
<div class='code'>
<div class="highlight"><pre></pre></div>
</div>
</div>
<div class='clearall'></div>
<div class='section' id='section-15'>
<div class='docs'>
<div class='octowrap'>
<a class='octothorpe' href='#section-15'>#</a>
</div>
<pre><code class="language-JSON">{
"userEnteredValue": {"stringValue": "time1"},
"effectiveValue": {"stringValue": "time1"},
"formattedValue": "time1",
"userEnteredFormat": {...},
"effectiveFormat": {}
}
</code></pre>
</div>
<div class='code'>
<div class="highlight"><pre></pre></div>
</div>
</div>
<div class='clearall'></div>
<div class='section' id='section-16'>
<div class='docs'>
<div class='octowrap'>
<a class='octothorpe' href='#section-16'>#</a>
</div>
<p>The base Sheet schema</p>
</div>
<div class='code'>
<div class="highlight"><pre> <span class="n">sheet_json_schema</span> <span class="o">=</span> <span class="p">{</span>
<span class="s1">'type'</span><span class="p">:</span> <span class="s1">'object'</span><span class="p">,</span>
<span class="s1">'additionalProperties'</span><span class="p">:</span> <span class="kc">False</span><span class="p">,</span>
<span class="s1">'properties'</span><span class="p">:</span> <span class="p">{</span>
<span class="s1">'__sdc_spreadsheet_id'</span><span class="p">:</span> <span class="p">{</span>
<span class="s1">'type'</span><span class="p">:</span> <span class="p">[</span><span class="s1">'null'</span><span class="p">,</span> <span class="s1">'string'</span><span class="p">]</span>
<span class="p">},</span>
<span class="s1">'__sdc_sheet_id'</span><span class="p">:</span> <span class="p">{</span>
<span class="s1">'type'</span><span class="p">:</span> <span class="p">[</span><span class="s1">'null'</span><span class="p">,</span> <span class="s1">'integer'</span><span class="p">]</span>
<span class="p">},</span>
<span class="s1">'__sdc_row'</span><span class="p">:</span> <span class="p">{</span>
<span class="s1">'type'</span><span class="p">:</span> <span class="p">[</span><span class="s1">'null'</span><span class="p">,</span> <span class="s1">'integer'</span><span class="p">]</span>
<span class="p">}</span>
<span class="p">}</span>
<span class="p">}</span>
<span class="n">header_list</span> <span class="o">=</span> <span class="p">[]</span> <span class="c1"># used for checking uniqueness</span>
<span class="n">columns</span> <span class="o">=</span> <span class="p">[]</span>
<span class="n">prior_header</span> <span class="o">=</span> <span class="kc">None</span>
<span class="n">i</span> <span class="o">=</span> <span class="mi">0</span>
<span class="n">skipped</span> <span class="o">=</span> <span class="mi">0</span></pre></div>
</div>
</div>
<div class='clearall'></div>
<div class='section' id='section-17'>
<div class='docs'>
<div class='octowrap'>
<a class='octothorpe' href='#section-17'>#</a>
</div>
<p>We loop over the columns in the <code>headers</code> list and accummulate an object in each return
variable.</p>
</div>
<div class='code'>
<div class="highlight"><pre> <span class="k">for</span> <span class="n">header</span> <span class="ow">in</span> <span class="n">headers</span><span class="p">:</span>
<span class="n">column_index</span> <span class="o">=</span> <span class="n">i</span> <span class="o">+</span> <span class="mi">1</span>
<span class="n">column_letter</span> <span class="o">=</span> <span class="n">colnum_string</span><span class="p">(</span><span class="n">column_index</span><span class="p">)</span>
<span class="n">header_value</span> <span class="o">=</span> <span class="n">header</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s1">'formattedValue'</span><span class="p">)</span>
<span class="k">if</span> <span class="n">header_value</span><span class="p">:</span> <span class="c1"># NOT skipped</span></pre></div>
</div>
</div>
<div class='clearall'></div>
<div class='section' id='section-18'>
<div class='docs'>
<div class='octowrap'>
<a class='octothorpe' href='#section-18'>#</a>
</div>
<p>Assuming the column we are looking at does not get skipped, we have to figure out the
schema.</p>
</div>
<div class='code'>
<div class="highlight"><pre> <span class="n">column_is_skipped</span> <span class="o">=</span> <span class="kc">False</span></pre></div>
</div>
</div>
<div class='clearall'></div>
<div class='section' id='section-19'>
<div class='docs'>
<div class='octowrap'>
<a class='octothorpe' href='#section-19'>#</a>
</div>
<p>First we reset the counter for consecutive skipped columns.</p>
</div>
<div class='code'>
<div class="highlight"><pre> <span class="n">skipped</span> <span class="o">=</span> <span class="mi">0</span></pre></div>
</div>
</div>
<div class='clearall'></div>
<div class='section' id='section-20'>
<div class='docs'>
<div class='octowrap'>
<a class='octothorpe' href='#section-20'>#</a>
</div>
<p>Then we let the name of this column be the value of <code>formattedValue</code> from the <code>header</code>
object we are looking at. This seems to be the value rendered in Google Sheets in the
cell.</p>
</div>
<div class='code'>
<div class="highlight"><pre> <span class="n">column_name</span> <span class="o">=</span> <span class="s1">'</span><span class="si">{}</span><span class="s1">'</span><span class="o">.</span><span class="n">format</span><span class="p">(</span><span class="n">header_value</span><span class="p">)</span></pre></div>
</div>
</div>
<div class='clearall'></div>
<div class='section' id='section-21'>
<div class='docs'>
<div class='octowrap'>
<a class='octothorpe' href='#section-21'>#</a>
</div>
<p>We assert that this column name is unique or else we raise a “Duplicate Header Error”.</p>
</div>
<div class='code'>
<div class="highlight"><pre> <span class="k">if</span> <span class="n">column_name</span> <span class="ow">in</span> <span class="n">header_list</span><span class="p">:</span>
<span class="k">raise</span> <span class="ne">Exception</span><span class="p">(</span><span class="s1">'DUPLICATE HEADER ERROR: SHEET: </span><span class="si">{}</span><span class="s1">, COL: </span><span class="si">{}</span><span class="s1">, CELL: </span><span class="si">{}</span><span class="s1">1'</span><span class="o">.</span><span class="n">format</span><span class="p">(</span>
<span class="n">sheet_title</span><span class="p">,</span> <span class="n">column_name</span><span class="p">,</span> <span class="n">column_letter</span><span class="p">))</span>
<span class="n">header_list</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">column_name</span><span class="p">)</span></pre></div>
</div>
</div>
<div class='clearall'></div>
<div class='section' id='section-22'>
<div class='docs'>
<div class='octowrap'>
<a class='octothorpe' href='#section-22'>#</a>
</div>
<p>We attempt to grab the value in the second row of the sheet (the first row of data)
associated with this column. Remember this row we are looking at is stored in
<code>first_values</code>. Note again that <code>headers</code> and <code>first_values</code> have the same shape.</p>
</div>
<div class='code'>
<div class="highlight"><pre> <span class="n">first_value</span> <span class="o">=</span> <span class="kc">None</span>
<span class="k">try</span><span class="p">:</span>
<span class="n">first_value</span> <span class="o">=</span> <span class="n">first_values</span><span class="p">[</span><span class="n">i</span><span class="p">]</span>
<span class="k">except</span> <span class="ne">IndexError</span> <span class="k">as</span> <span class="n">err</span><span class="p">:</span>
<span class="n">LOGGER</span><span class="o">.</span><span class="n">info</span><span class="p">(</span><span class="s1">'NO VALUE IN 2ND ROW FOR HEADER. SHEET: </span><span class="si">{}</span><span class="s1">, COL: </span><span class="si">{}</span><span class="s1">, CELL: </span><span class="si">{}</span><span class="s1">2. </span><span class="si">{}</span><span class="s1">'</span><span class="o">.</span><span class="n">format</span><span class="p">(</span>
<span class="n">sheet_title</span><span class="p">,</span> <span class="n">column_name</span><span class="p">,</span> <span class="n">column_letter</span><span class="p">,</span> <span class="n">err</span><span class="p">))</span>
<span class="n">first_value</span> <span class="o">=</span> <span class="p">{}</span>
<span class="n">first_values</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">first_value</span><span class="p">)</span>
<span class="k">pass</span>
<span class="n">column_effective_value</span> <span class="o">=</span> <span class="n">first_value</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s1">'effectiveValue'</span><span class="p">,</span> <span class="p">{})</span>
<span class="n">col_val</span> <span class="o">=</span> <span class="kc">None</span>
<span class="k">if</span> <span class="n">column_effective_value</span> <span class="o">==</span> <span class="p">{}:</span>
<span class="n">column_effective_value_type</span> <span class="o">=</span> <span class="s1">'stringValue'</span>
<span class="n">LOGGER</span><span class="o">.</span><span class="n">info</span><span class="p">(</span><span class="s1">'WARNING: NO VALUE IN 2ND ROW FOR HEADER. SHEET: </span><span class="si">{}</span><span class="s1">, COL: </span><span class="si">{}</span><span class="s1">, CELL: </span><span class="si">{}</span><span class="s1">2.'</span><span class="o">.</span><span class="n">format</span><span class="p">(</span>
<span class="n">sheet_title</span><span class="p">,</span> <span class="n">column_name</span><span class="p">,</span> <span class="n">column_letter</span><span class="p">))</span>
<span class="n">LOGGER</span><span class="o">.</span><span class="n">info</span><span class="p">(</span><span class="s1">' Setting column datatype to STRING'</span><span class="p">)</span>
<span class="k">else</span><span class="p">:</span></pre></div>
</div>
</div>
<div class='clearall'></div>
<div class='section' id='section-23'>
<div class='docs'>
<div class='octowrap'>
<a class='octothorpe' href='#section-23'>#</a>
</div>
<p>The tap calls the value of <code>"effectiveValue"</code> the <code>column_effective_value</code>. This
dictionary can be empty or it can have a <code>key1</code> that looks like <code>"numberValue"</code>,
<code>"stringValue"</code>, or <code>"boolValue"</code>. If the dictionary is empty, we force <code>key1</code> to
be <code>"stringValue"</code>.</p>
</div>
<div class='code'>
<div class="highlight"><pre> <span class="k">for</span> <span class="n">key</span><span class="p">,</span> <span class="n">val</span> <span class="ow">in</span> <span class="n">column_effective_value</span><span class="o">.</span><span class="n">items</span><span class="p">():</span>
<span class="k">if</span> <span class="n">key</span> <span class="ow">in</span> <span class="p">(</span><span class="s1">'numberValue'</span><span class="p">,</span> <span class="s1">'stringValue'</span><span class="p">,</span> <span class="s1">'boolValue'</span><span class="p">):</span>
<span class="n">column_effective_value_type</span> <span class="o">=</span> <span class="n">key</span>
<span class="n">col_val</span> <span class="o">=</span> <span class="nb">str</span><span class="p">(</span><span class="n">val</span><span class="p">)</span></pre></div>
</div>
</div>
<div class='clearall'></div>
<div class='section' id='section-24'>
<div class='docs'>
<div class='octowrap'>
<a class='octothorpe' href='#section-24'>#</a>
</div>
<p>Sometimes <code>key1</code> also looks like <code>"errorType"</code> or <code>"formulaType"</code>, but in
these cases, we raise a “Data Type Error” error immediately.</p>
</div>
<div class='code'>
<div class="highlight"><pre> <span class="k">elif</span> <span class="n">key</span> <span class="ow">in</span> <span class="p">(</span><span class="s1">'errorType'</span><span class="p">,</span> <span class="s1">'formulaType'</span><span class="p">):</span>
<span class="n">col_val</span> <span class="o">=</span> <span class="nb">str</span><span class="p">(</span><span class="n">val</span><span class="p">)</span>
<span class="k">raise</span> <span class="ne">Exception</span><span class="p">(</span><span class="s1">'DATA TYPE ERROR 2ND ROW VALUE: SHEET: </span><span class="si">{}</span><span class="s1">, COL: </span><span class="si">{}</span><span class="s1">, CELL: </span><span class="si">{}</span><span class="s1">2, TYPE: </span><span class="si">{}</span><span class="s1">, VALUE: </span><span class="si">{}</span><span class="s1">'</span><span class="o">.</span><span class="n">format</span><span class="p">(</span>
<span class="n">sheet_title</span><span class="p">,</span> <span class="n">column_name</span><span class="p">,</span> <span class="n">column_letter</span><span class="p">,</span> <span class="n">key</span><span class="p">,</span> <span class="n">col_val</span><span class="p">))</span>
<span class="n">column_number_format</span> <span class="o">=</span> <span class="n">first_values</span><span class="p">[</span><span class="n">i</span><span class="p">]</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s1">'effectiveFormat'</span><span class="p">,</span> <span class="p">{})</span><span class="o">.</span><span class="n">get</span><span class="p">(</span>
<span class="s1">'numberFormat'</span><span class="p">,</span> <span class="p">{})</span></pre></div>
</div>
</div>
<div class='clearall'></div>
<div class='section' id='section-25'>
<div class='docs'>
<div class='octowrap'>
<a class='octothorpe' href='#section-25'>#</a>
</div>
<p>column_number_format_type = UNSPECIFIED, TEXT, NUMBER, PERCENT, CURRENCY, DATE</p>
<ul>
<li>TIME, DATE_TIME, SCIENTIFIC</li>
<li>https://developers.google.com/sheets/api/reference/rest/v4/spreadsheets/cells#NumberFormatType</li>
</ul>
</div>
<div class='code'>
<div class="highlight"><pre> <span class="n">column_number_format_type</span> <span class="o">=</span> <span class="n">column_number_format</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s1">'type'</span><span class="p">)</span></pre></div>
</div>
</div>
<div class='clearall'></div>
<div class='section' id='section-26'>
<div class='docs'>
<div class='octowrap'>
<a class='octothorpe' href='#section-26'>#</a>
</div>
<p>the giant if-elif-else block: All it does is set a variable <code>col_properties</code> and
<code>column_gs_type</code> based on the values of <code>column_effective_value_type</code> and
<code>column_number_format_type</code>.</p>
</div>
<div class='code'>
<div class="highlight"><pre> <span class="n">column_format</span> <span class="o">=</span> <span class="kc">None</span>
<span class="k">if</span> <span class="n">column_effective_value</span> <span class="o">==</span> <span class="p">{}:</span>
<span class="n">col_properties</span> <span class="o">=</span> <span class="p">{</span><span class="s1">'type'</span><span class="p">:</span> <span class="p">[</span><span class="s1">'null'</span><span class="p">,</span> <span class="s1">'string'</span><span class="p">]}</span>
<span class="n">column_gs_type</span> <span class="o">=</span> <span class="s1">'stringValue'</span>
<span class="n">LOGGER</span><span class="o">.</span><span class="n">info</span><span class="p">(</span><span class="s1">'WARNING: 2ND ROW VALUE IS BLANK: SHEET: </span><span class="si">{}</span><span class="s1">, COL: </span><span class="si">{}</span><span class="s1">, CELL: </span><span class="si">{}</span><span class="s1">2'</span><span class="o">.</span><span class="n">format</span><span class="p">(</span>
<span class="n">sheet_title</span><span class="p">,</span> <span class="n">column_name</span><span class="p">,</span> <span class="n">column_letter</span><span class="p">))</span>
<span class="n">LOGGER</span><span class="o">.</span><span class="n">info</span><span class="p">(</span><span class="s1">' Setting column datatype to STRING'</span><span class="p">)</span></pre></div>
</div>
</div>
<div class='clearall'></div>
<div class='section' id='section-27'>
<div class='docs'>
<div class='octowrap'>
<a class='octothorpe' href='#section-27'>#</a>
</div>
<p>column_effective_value_type = numberValue, stringValue, boolValue</p>
<ul>
<li>INVALID: errorType, formulaType</li>
<li>https://developers.google.com/sheets/api/reference/rest/v4/spreadsheets/other#ExtendedValue</li>
</ul>
</div>
<div class='code'>
<div class="highlight"><pre> <span class="k">elif</span> <span class="n">column_effective_value_type</span> <span class="o">==</span> <span class="s1">'stringValue'</span><span class="p">:</span>
<span class="n">col_properties</span> <span class="o">=</span> <span class="p">{</span><span class="s1">'type'</span><span class="p">:</span> <span class="p">[</span><span class="s1">'null'</span><span class="p">,</span> <span class="s1">'string'</span><span class="p">]}</span>
<span class="n">column_gs_type</span> <span class="o">=</span> <span class="s1">'stringValue'</span>
<span class="k">elif</span> <span class="n">column_effective_value_type</span> <span class="o">==</span> <span class="s1">'boolValue'</span><span class="p">:</span>
<span class="n">col_properties</span> <span class="o">=</span> <span class="p">{</span><span class="s1">'type'</span><span class="p">:</span> <span class="p">[</span><span class="s1">'null'</span><span class="p">,</span> <span class="s1">'boolean'</span><span class="p">,</span> <span class="s1">'string'</span><span class="p">]}</span>
<span class="n">column_gs_type</span> <span class="o">=</span> <span class="s1">'boolValue'</span>
<span class="k">elif</span> <span class="n">column_effective_value_type</span> <span class="o">==</span> <span class="s1">'numberValue'</span><span class="p">:</span>
<span class="k">if</span> <span class="n">column_number_format_type</span> <span class="o">==</span> <span class="s1">'DATE_TIME'</span><span class="p">:</span>
<span class="n">col_properties</span> <span class="o">=</span> <span class="p">{</span>
<span class="s1">'type'</span><span class="p">:</span> <span class="p">[</span><span class="s1">'null'</span><span class="p">,</span> <span class="s1">'string'</span><span class="p">],</span>
<span class="s1">'format'</span><span class="p">:</span> <span class="s1">'date-time'</span>
<span class="p">}</span>
<span class="n">column_gs_type</span> <span class="o">=</span> <span class="s1">'numberType.DATE_TIME'</span>
<span class="k">elif</span> <span class="n">column_number_format_type</span> <span class="o">==</span> <span class="s1">'DATE'</span><span class="p">:</span>
<span class="n">col_properties</span> <span class="o">=</span> <span class="p">{</span>
<span class="s1">'type'</span><span class="p">:</span> <span class="p">[</span><span class="s1">'null'</span><span class="p">,</span> <span class="s1">'string'</span><span class="p">],</span>
<span class="s1">'format'</span><span class="p">:</span> <span class="s1">'date'</span>
<span class="p">}</span>
<span class="n">column_gs_type</span> <span class="o">=</span> <span class="s1">'numberType.DATE'</span>
<span class="k">elif</span> <span class="n">column_number_format_type</span> <span class="o">==</span> <span class="s1">'TIME'</span><span class="p">:</span>
<span class="n">col_properties</span> <span class="o">=</span> <span class="p">{</span>
<span class="s1">'type'</span><span class="p">:</span> <span class="p">[</span><span class="s1">'null'</span><span class="p">,</span> <span class="s1">'string'</span><span class="p">],</span>
<span class="s1">'format'</span><span class="p">:</span> <span class="s1">'time'</span>
<span class="p">}</span>
<span class="n">column_gs_type</span> <span class="o">=</span> <span class="s1">'numberType.TIME'</span>
<span class="k">elif</span> <span class="n">column_number_format_type</span> <span class="o">==</span> <span class="s1">'TEXT'</span><span class="p">:</span>
<span class="n">col_properties</span> <span class="o">=</span> <span class="p">{</span><span class="s1">'type'</span><span class="p">:</span> <span class="p">[</span><span class="s1">'null'</span><span class="p">,</span> <span class="s1">'string'</span><span class="p">]}</span>
<span class="n">column_gs_type</span> <span class="o">=</span> <span class="s1">'stringValue'</span>
<span class="k">else</span><span class="p">:</span>
<span class="n">col_properties</span> <span class="o">=</span> <span class="p">{</span><span class="s1">'type'</span><span class="p">:</span> <span class="s1">'number'</span><span class="p">,</span> <span class="s1">'multipleOf'</span><span class="p">:</span> <span class="mf">1e-15</span><span class="p">}</span>
<span class="n">column_gs_type</span> <span class="o">=</span> <span class="s1">'numberType'</span>
<span class="k">else</span><span class="p">:</span>
<span class="n">col_properties</span> <span class="o">=</span> <span class="p">{</span><span class="s1">'type'</span><span class="p">:</span> <span class="p">[</span><span class="s1">'null'</span><span class="p">,</span> <span class="s1">'string'</span><span class="p">]}</span>
<span class="n">column_gs_type</span> <span class="o">=</span> <span class="s1">'unsupportedValue'</span>
<span class="n">LOGGER</span><span class="o">.</span><span class="n">info</span><span class="p">(</span><span class="s1">'WARNING: UNSUPPORTED 2ND ROW VALUE: SHEET: </span><span class="si">{}</span><span class="s1">, COL: </span><span class="si">{}</span><span class="s1">, CELL: </span><span class="si">{}</span><span class="s1">2, TYPE: </span><span class="si">{}</span><span class="s1">, VALUE: </span><span class="si">{}</span><span class="s1">'</span><span class="o">.</span><span class="n">format</span><span class="p">(</span>
<span class="n">sheet_title</span><span class="p">,</span> <span class="n">column_name</span><span class="p">,</span> <span class="n">column_letter</span><span class="p">,</span> <span class="n">column_effective_value_type</span><span class="p">,</span> <span class="n">col_val</span><span class="p">))</span>
<span class="n">LOGGER</span><span class="o">.</span><span class="n">info</span><span class="p">(</span><span class="s1">'Converting to string.'</span><span class="p">)</span>
<span class="k">else</span><span class="p">:</span> <span class="c1"># skipped</span></pre></div>
</div>
</div>
<div class='clearall'></div>
<div class='section' id='section-28'>
<div class='docs'>
<div class='octowrap'>
<a class='octothorpe' href='#section-28'>#</a>
</div>
<p>We note that we are skipping this column. It still gets added to the schema though as
a string field. The only other notable thing about skipped columns is the we create
the field name for it, and it looks like <code>"__sdc_skip_col_XY"</code>, where the <code>XY</code> goes
from <code>"00"</code>, <code>"01"</code>, to <code>"99"</code>.</p>
</div>
<div class='code'>
<div class="highlight"><pre> <span class="n">column_is_skipped</span> <span class="o">=</span> <span class="kc">True</span>
<span class="n">skipped</span> <span class="o">=</span> <span class="n">skipped</span> <span class="o">+</span> <span class="mi">1</span>
<span class="n">column_index_str</span> <span class="o">=</span> <span class="nb">str</span><span class="p">(</span><span class="n">column_index</span><span class="p">)</span><span class="o">.</span><span class="n">zfill</span><span class="p">(</span><span class="mi">2</span><span class="p">)</span>
<span class="n">column_name</span> <span class="o">=</span> <span class="s1">'__sdc_skip_col_</span><span class="si">{}</span><span class="s1">'</span><span class="o">.</span><span class="n">format</span><span class="p">(</span><span class="n">column_index_str</span><span class="p">)</span>
<span class="n">col_properties</span> <span class="o">=</span> <span class="p">{</span><span class="s1">'type'</span><span class="p">:</span> <span class="p">[</span><span class="s1">'null'</span><span class="p">,</span> <span class="s1">'string'</span><span class="p">]}</span>
<span class="n">column_gs_type</span> <span class="o">=</span> <span class="s1">'stringValue'</span>
<span class="n">LOGGER</span><span class="o">.</span><span class="n">info</span><span class="p">(</span><span class="s1">'WARNING: SKIPPED COLUMN; NO COLUMN HEADER. SHEET: </span><span class="si">{}</span><span class="s1">, COL: </span><span class="si">{}</span><span class="s1">, CELL: </span><span class="si">{}</span><span class="s1">1'</span><span class="o">.</span><span class="n">format</span><span class="p">(</span>
<span class="n">sheet_title</span><span class="p">,</span> <span class="n">column_name</span><span class="p">,</span> <span class="n">column_letter</span><span class="p">))</span>
<span class="n">LOGGER</span><span class="o">.</span><span class="n">info</span><span class="p">(</span><span class="s1">' This column will be skipped during data loading.'</span><span class="p">)</span>
<span class="k">if</span> <span class="n">skipped</span> <span class="o">>=</span> <span class="mi">2</span><span class="p">:</span>
<span class="n">sheet_json_schema</span><span class="p">[</span><span class="s1">'properties'</span><span class="p">]</span><span class="o">.</span><span class="n">pop</span><span class="p">(</span><span class="n">prior_header</span><span class="p">,</span> <span class="kc">None</span><span class="p">)</span>
<span class="n">LOGGER</span><span class="o">.</span><span class="n">info</span><span class="p">(</span><span class="s1">'TWO CONSECUTIVE SKIPPED COLUMNS. STOPPING SCAN AT: SHEET: </span><span class="si">{}</span><span class="s1">, COL: </span><span class="si">{}</span><span class="s1">, CELL </span><span class="si">{}</span><span class="s1">1'</span><span class="o">.</span><span class="n">format</span><span class="p">(</span>
<span class="n">sheet_title</span><span class="p">,</span> <span class="n">column_name</span><span class="p">,</span> <span class="n">column_letter</span><span class="p">))</span>
<span class="k">break</span>
<span class="k">else</span><span class="p">:</span>
<span class="n">column</span> <span class="o">=</span> <span class="p">{}</span>
<span class="n">column</span> <span class="o">=</span> <span class="p">{</span>
<span class="s1">'columnIndex'</span><span class="p">:</span> <span class="n">column_index</span><span class="p">,</span>
<span class="s1">'columnLetter'</span><span class="p">:</span> <span class="n">column_letter</span><span class="p">,</span>
<span class="s1">'columnName'</span><span class="p">:</span> <span class="n">column_name</span><span class="p">,</span>
<span class="s1">'columnType'</span><span class="p">:</span> <span class="n">column_gs_type</span><span class="p">,</span>
<span class="s1">'columnSkipped'</span><span class="p">:</span> <span class="n">column_is_skipped</span>
<span class="p">}</span>
<span class="n">columns</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">column</span><span class="p">)</span>
<span class="k">if</span> <span class="n">column_gs_type</span> <span class="ow">in</span> <span class="p">{</span><span class="s1">'numberType.DATE_TIME'</span><span class="p">,</span> <span class="s1">'numberType.DATE'</span><span class="p">,</span> <span class="s1">'numberType.TIME'</span><span class="p">,</span> <span class="s1">'numberType'</span><span class="p">}:</span>
<span class="n">col_properties</span> <span class="o">=</span> <span class="p">{</span>
<span class="s1">'anyOf'</span><span class="p">:</span> <span class="p">[</span>
<span class="n">col_properties</span><span class="p">,</span>
<span class="p">{</span><span class="s1">'type'</span><span class="p">:</span> <span class="p">[</span><span class="s1">'null'</span><span class="p">,</span> <span class="s1">'string'</span><span class="p">]}</span>
<span class="p">]</span>
<span class="p">}</span>
<span class="n">sheet_json_schema</span><span class="p">[</span><span class="s1">'properties'</span><span class="p">][</span><span class="n">column_name</span><span class="p">]</span> <span class="o">=</span> <span class="n">col_properties</span>
<span class="n">prior_header</span> <span class="o">=</span> <span class="n">column_name</span>
<span class="n">i</span> <span class="o">=</span> <span class="n">i</span> <span class="o">+</span> <span class="mi">1</span>
<span class="k">return</span> <span class="n">sheet_json_schema</span><span class="p">,</span> <span class="n">columns</span></pre></div>
</div>
</div>
<div class='clearall'></div>
<div class='section' id='section-29'>
<div class='docs'>
<div class='octowrap'>
<a class='octothorpe' href='#section-29'>#</a>
</div>
<p>The point of this function seems to be (1) make a request to get a sheet (2) return the schema
generated for this sheet by <code>schema.py:get_sheet_schema_columns</code>.</p>
<p><code>get_sheet_metadata()</code> sets up a lot of variables to ultimately make a request to</p>
<pre><code class="language-Text">https://sheets.googleapis.com/v4/spreadsheets/my-spreadsheet-id?includeGridData=true&ranges='my-sheet-title'!1:2
</code></pre>
</div>
<div class='code'>
<div class="highlight"><pre></pre></div>
</div>
</div>
<div class='clearall'></div>
<div class='section' id='section-30'>
<div class='docs'>
<div class='octowrap'>
<a class='octothorpe' href='#section-30'>#</a>
</div>
<p>Let’s dissect the query params here a bit.</p>
</div>
<div class='code'>
<div class="highlight"><pre></pre></div>
</div>
</div>
<div class='clearall'></div>
<div class='section' id='section-31'>
<div class='docs'>
<div class='octowrap'>
<a class='octothorpe' href='#section-31'>#</a>
</div>
<p><code>includeGridData</code> is false by default and setting this to true lets us get “Grid data”. If you
compare the same request but with that value flipped, then you’ll notice the <code>includeGridData=false</code>
gives you a relatively small response with no data in it. It seems like just a bunch of metadata.</p>
</div>
<div class='code'>
<div class="highlight"><pre></pre></div>
</div>
</div>
<div class='clearall'></div>
<div class='section' id='section-32'>
<div class='docs'>
<div class='octowrap'>
<a class='octothorpe' href='#section-32'>#</a>
</div>
<p><code>ranges</code> controls the rows returned.</p>
</div>
<div class='code'>
<div class="highlight"><pre><span class="k">def</span> <span class="nf">get_sheet_metadata</span><span class="p">(</span><span class="n">sheet</span><span class="p">,</span> <span class="n">spreadsheet_id</span><span class="p">,</span> <span class="n">client</span><span class="p">):</span></pre></div>
</div>
</div>
<div class='clearall'></div>
<div class='section' id='section-33'>
<div class='docs'>
<div class='octowrap'>
<a class='octothorpe' href='#section-33'>#</a>
</div>
<p>Get Header Row and 1st data row (Rows 1 & 2) from a Sheet on Spreadsheet w/ sheet_metadata query</p>
<ul>
<li>endpoint: spreadsheets/{spreadsheet_id}</li>
<li>params: includeGridData = true, ranges = ‘{sheet_title}’!1:2
This endpoint includes detailed metadata about each cell - incl. data type, formatting, etc.</li>
</ul>
</div>
<div class='code'>
<div class="highlight"><pre> <span class="n">sheet_id</span> <span class="o">=</span> <span class="n">sheet</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s1">'properties'</span><span class="p">,</span> <span class="p">{})</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s1">'sheetId'</span><span class="p">)</span>
<span class="n">sheet_title</span> <span class="o">=</span> <span class="n">sheet</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s1">'properties'</span><span class="p">,</span> <span class="p">{})</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s1">'title'</span><span class="p">)</span>
<span class="n">LOGGER</span><span class="o">.</span><span class="n">info</span><span class="p">(</span><span class="s1">'sheet_id = </span><span class="si">{}</span><span class="s1">, sheet_title = </span><span class="si">{}</span><span class="s1">'</span><span class="o">.</span><span class="n">format</span><span class="p">(</span><span class="n">sheet_id</span><span class="p">,</span> <span class="n">sheet_title</span><span class="p">))</span>
<span class="n">stream_name</span> <span class="o">=</span> <span class="s1">'sheet_metadata'</span>
<span class="n">stream_metadata</span> <span class="o">=</span> <span class="n">STREAMS</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="n">stream_name</span><span class="p">)</span>
<span class="n">api</span> <span class="o">=</span> <span class="n">stream_metadata</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s1">'api'</span><span class="p">,</span> <span class="s1">'sheets'</span><span class="p">)</span>
<span class="n">params</span> <span class="o">=</span> <span class="n">stream_metadata</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s1">'params'</span><span class="p">,</span> <span class="p">{})</span>
<span class="n">sheet_title_encoded</span> <span class="o">=</span> <span class="n">urllib</span><span class="o">.</span><span class="n">parse</span><span class="o">.</span><span class="n">quote_plus</span><span class="p">(</span><span class="n">sheet_title</span><span class="p">)</span>
<span class="n">sheet_title_escaped</span> <span class="o">=</span> <span class="n">re</span><span class="o">.</span><span class="n">escape</span><span class="p">(</span><span class="n">sheet_title</span><span class="p">)</span>
<span class="n">querystring</span> <span class="o">=</span> <span class="s1">'&'</span><span class="o">.</span><span class="n">join</span><span class="p">(</span>
<span class="p">[</span><span class="s1">'</span><span class="si">%s</span><span class="s1">=</span><span class="si">%s</span><span class="s1">'</span> <span class="o">%</span> <span class="p">(</span><span class="n">key</span><span class="p">,</span> <span class="n">value</span><span class="p">)</span> <span class="k">for</span> <span class="p">(</span><span class="n">key</span><span class="p">,</span> <span class="n">value</span><span class="p">)</span> <span class="ow">in</span> <span class="n">params</span><span class="o">.</span><span class="n">items</span><span class="p">()]</span>
<span class="p">)</span><span class="o">.</span><span class="n">replace</span><span class="p">(</span><span class="s1">'</span><span class="si">{sheet_title}</span><span class="s1">'</span><span class="p">,</span> <span class="n">sheet_title_encoded</span><span class="p">)</span>
<span class="n">path</span> <span class="o">=</span> <span class="s1">'</span><span class="si">{}</span><span class="s1">?</span><span class="si">{}</span><span class="s1">'</span><span class="o">.</span><span class="n">format</span><span class="p">(</span>
<span class="n">stream_metadata</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s1">'path'</span><span class="p">)</span><span class="o">.</span><span class="n">replace</span><span class="p">(</span><span class="s1">'</span><span class="si">{spreadsheet_id}</span><span class="s1">'</span><span class="p">,</span> <span class="n">spreadsheet_id</span><span class="p">),</span>
<span class="n">querystring</span>
<span class="p">)</span></pre></div>
</div>
</div>
<div class='clearall'></div>
<div class='section' id='section-34'>
<div class='docs'>
<div class='octowrap'>
<a class='octothorpe' href='#section-34'>#</a>
</div>
<p>See the Footnotes for this response shape</p>
</div>
<div class='code'>
<div class="highlight"><pre> <span class="n">sheet_md_results</span> <span class="o">=</span> <span class="n">client</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="n">path</span><span class="o">=</span><span class="n">path</span><span class="p">,</span> <span class="n">api</span><span class="o">=</span><span class="n">api</span><span class="p">,</span> <span class="n">endpoint</span><span class="o">=</span><span class="n">sheet_title_escaped</span><span class="p">)</span>
<span class="n">sheet_metadata</span> <span class="o">=</span> <span class="n">sheet_md_results</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s1">'sheets'</span><span class="p">)[</span><span class="mi">0</span><span class="p">]</span>
<span class="k">try</span><span class="p">:</span></pre></div>
</div>
</div>
<div class='clearall'></div>
<div class='section' id='section-35'>
<div class='docs'>
<div class='octowrap'>
<a class='octothorpe' href='#section-35'>#</a>
</div>
<p>Create sheet_json_schema (for discovery/catalog) and columns (for sheet_metadata results)</p>
</div>
<div class='code'>
<div class="highlight"><pre> <span class="n">sheet_json_schema</span><span class="p">,</span> <span class="n">columns</span> <span class="o">=</span> <span class="n">get_sheet_schema_columns</span><span class="p">(</span><span class="n">sheet_metadata</span><span class="p">)</span>
<span class="k">except</span> <span class="ne">Exception</span> <span class="k">as</span> <span class="n">err</span><span class="p">:</span>
<span class="n">LOGGER</span><span class="o">.</span><span class="n">warning</span><span class="p">(</span><span class="s1">'</span><span class="si">{}</span><span class="s1">'</span><span class="o">.</span><span class="n">format</span><span class="p">(</span><span class="n">err</span><span class="p">))</span>
<span class="n">LOGGER</span><span class="o">.</span><span class="n">warning</span><span class="p">(</span><span class="s1">'SKIPPING Malformed sheet: </span><span class="si">{}</span><span class="s1">'</span><span class="o">.</span><span class="n">format</span><span class="p">(</span><span class="n">sheet_title</span><span class="p">))</span>
<span class="n">sheet_json_schema</span><span class="p">,</span> <span class="n">columns</span> <span class="o">=</span> <span class="kc">None</span><span class="p">,</span> <span class="kc">None</span>
<span class="k">return</span> <span class="n">sheet_json_schema</span><span class="p">,</span> <span class="n">columns</span></pre></div>
</div>
</div>
<div class='clearall'></div>
<div class='section' id='section-36'>
<div class='docs'>
<div class='octowrap'>
<a class='octothorpe' href='#section-36'>#</a>
</div>
</div>
<div class='code'>
<div class="highlight"><pre><span class="k">def</span> <span class="nf">get_abs_path</span><span class="p">(</span><span class="n">path</span><span class="p">):</span>
<span class="k">return</span> <span class="n">os</span><span class="o">.</span><span class="n">path</span><span class="o">.</span><span class="n">join</span><span class="p">(</span><span class="n">os</span><span class="o">.</span><span class="n">path</span><span class="o">.</span><span class="n">dirname</span><span class="p">(</span><span class="n">os</span><span class="o">.</span><span class="n">path</span><span class="o">.</span><span class="n">realpath</span><span class="p">(</span><span class="vm">__file__</span><span class="p">)),</span> <span class="n">path</span><span class="p">)</span></pre></div>
</div>
</div>
<div class='clearall'></div>
<div class='section' id='section-37'>
<div class='docs'>
<div class='octowrap'>
<a class='octothorpe' href='#section-37'>#</a>
</div>
<p>We initialize our return variables, <code>schemas</code> and <code>field_metadata</code> to empty dictionaries.</p>
<p>We loop over each stream in <code>streams.py:STREAMS</code>. We load the static JSON file into memory - all
four streams currently have some static schema. We store this on our return variable <code>schemas</code>
under the stream name.</p>
<p>We then call <code>singer.metadata.get_standard_metadata()</code> passing in whatever metadata we do have
(key properties, valid replication keys, the replication method). The return value here is
stored on our return variable <code>field_metadata</code> under the stream name.</p>
</div>
<div class='code'>
<div class="highlight"><pre><span class="k">def</span> <span class="nf">get_schemas</span><span class="p">(</span><span class="n">client</span><span class="p">,</span> <span class="n">spreadsheet_id</span><span class="p">):</span></pre></div>
</div>
</div>
<div class='clearall'></div>
<div class='section' id='section-38'>
<div class='docs'>
<div class='octowrap'>
<a class='octothorpe' href='#section-38'>#</a>
</div>
</div>
<div class='code'>
<div class="highlight"><pre> <span class="n">schemas</span> <span class="o">=</span> <span class="p">{}</span>
<span class="n">field_metadata</span> <span class="o">=</span> <span class="p">{}</span>
<span class="k">for</span> <span class="n">stream_name</span><span class="p">,</span> <span class="n">stream_metadata</span> <span class="ow">in</span> <span class="n">STREAMS</span><span class="o">.</span><span class="n">items</span><span class="p">():</span>
<span class="n">schema_path</span> <span class="o">=</span> <span class="n">get_abs_path</span><span class="p">(</span><span class="s1">'schemas/</span><span class="si">{}</span><span class="s1">.json'</span><span class="o">.</span><span class="n">format</span><span class="p">(</span><span class="n">stream_name</span><span class="p">))</span>
<span class="k">with</span> <span class="nb">open</span><span class="p">(</span><span class="n">schema_path</span><span class="p">)</span> <span class="k">as</span> <span class="n">file</span><span class="p">:</span>
<span class="n">schema</span> <span class="o">=</span> <span class="n">json</span><span class="o">.</span><span class="n">load</span><span class="p">(</span><span class="n">file</span><span class="p">)</span>
<span class="n">schemas</span><span class="p">[</span><span class="n">stream_name</span><span class="p">]</span> <span class="o">=</span> <span class="n">schema</span>
<span class="n">mdata</span> <span class="o">=</span> <span class="n">metadata</span><span class="o">.</span><span class="n">new</span><span class="p">()</span>
<span class="n">mdata</span> <span class="o">=</span> <span class="n">metadata</span><span class="o">.</span><span class="n">get_standard_metadata</span><span class="p">(</span>
<span class="n">schema</span><span class="o">=</span><span class="n">schema</span><span class="p">,</span>
<span class="n">key_properties</span><span class="o">=</span><span class="n">stream_metadata</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s1">'key_properties'</span><span class="p">,</span> <span class="kc">None</span><span class="p">),</span>
<span class="n">valid_replication_keys</span><span class="o">=</span><span class="n">stream_metadata</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s1">'replication_keys'</span><span class="p">,</span> <span class="kc">None</span><span class="p">),</span>
<span class="n">replication_method</span><span class="o">=</span><span class="n">stream_metadata</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s1">'replication_method'</span><span class="p">,</span> <span class="kc">None</span><span class="p">)</span>
<span class="p">)</span>
<span class="n">field_metadata</span><span class="p">[</span><span class="n">stream_name</span><span class="p">]</span> <span class="o">=</span> <span class="n">mdata</span></pre></div>
</div>
</div>
<div class='clearall'></div>
<div class='section' id='section-39'>
<div class='docs'>
<div class='octowrap'>
<a class='octothorpe' href='#section-39'>#</a>
</div>
<p>If we are handling the <code>"spreadsheet_metadata"</code> stream, we do some extra work to build the
dynamic schemas of each Sheet we want to sync.. Otherwise, that’s it.</p>
</div>
<div class='code'>
<div class="highlight"><pre> <span class="k">if</span> <span class="n">stream_name</span> <span class="o">==</span> <span class="s1">'spreadsheet_metadata'</span><span class="p">:</span></pre></div>
</div>
</div>
<div class='clearall'></div>
<div class='section' id='section-40'>
<div class='docs'>
<div class='octowrap'>
<a class='octothorpe' href='#section-40'>#</a>
</div>
<p>We ultimately end up making a <code>GET</code> to</p>
</div>
<div class='code'>
<div class="highlight"><pre></pre></div>
</div>
</div>
<div class='clearall'></div>
<div class='section' id='section-41'>
<div class='docs'>
<div class='octowrap'>
<a class='octothorpe' href='#section-41'>#</a>
</div>
<pre><code class="language-Text">https://sheets.googleapis.com/v4/spreadsheets/my-spreadsheet-id?includeGridData=false
</code></pre>
</div>
<div class='code'>
<div class="highlight"><pre></pre></div>
</div>
</div>
<div class='clearall'></div>
<div class='section' id='section-42'>
<div class='docs'>
<div class='octowrap'>
<a class='octothorpe' href='#section-42'>#</a>
</div>
<p>Notice this is <code>base_url + path + query_string</code>. There’s code here to figure out and
properly format <code>path</code> and <code>query_string</code>. I’m not sure why we don’t let <code>requests</code>
handle this.</p>
</div>
<div class='code'>
<div class="highlight"><pre></pre></div>
</div>
</div>
<div class='clearall'></div>
<div class='section' id='section-43'>
<div class='docs'>
<div class='octowrap'>
<a class='octothorpe' href='#section-43'>#</a>
</div>
<p>We assume this request is successful and we store the <code>OrderedDict</code> return value as
<code>spreadsheet_md_results</code>.</p>
</div>
<div class='code'>
<div class="highlight"><pre> <span class="n">api</span> <span class="o">=</span> <span class="n">stream_metadata</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s1">'api'</span><span class="p">,</span> <span class="s1">'sheets'</span><span class="p">)</span>
<span class="n">params</span> <span class="o">=</span> <span class="n">stream_metadata</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s1">'params'</span><span class="p">,</span> <span class="p">{})</span>
<span class="n">querystring</span> <span class="o">=</span> <span class="s1">'&'</span><span class="o">.</span><span class="n">join</span><span class="p">([</span><span class="s1">'</span><span class="si">%s</span><span class="s1">=</span><span class="si">%s</span><span class="s1">'</span> <span class="o">%</span> <span class="p">(</span><span class="n">key</span><span class="p">,</span> <span class="n">value</span><span class="p">)</span> <span class="k">for</span> <span class="p">(</span><span class="n">key</span><span class="p">,</span> <span class="n">value</span><span class="p">)</span> <span class="ow">in</span> <span class="n">params</span><span class="o">.</span><span class="n">items</span><span class="p">()])</span>
<span class="n">path</span> <span class="o">=</span> <span class="s1">'</span><span class="si">{}</span><span class="s1">?</span><span class="si">{}</span><span class="s1">'</span><span class="o">.</span><span class="n">format</span><span class="p">(</span>
<span class="n">stream_metadata</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s1">'path'</span><span class="p">)</span><span class="o">.</span><span class="n">replace</span><span class="p">(</span><span class="s1">'</span><span class="si">{spreadsheet_id}</span><span class="s1">'</span><span class="p">,</span> <span class="n">spreadsheet_id</span><span class="p">),</span>
<span class="n">querystring</span>
<span class="p">)</span>
<span class="n">spreadsheet_md_results</span> <span class="o">=</span> <span class="n">client</span><span class="o">.</span><span class="n">get</span><span class="p">(</span>
<span class="n">path</span><span class="o">=</span><span class="n">path</span><span class="p">,</span>
<span class="n">params</span><span class="o">=</span><span class="n">querystring</span><span class="p">,</span>
<span class="n">api</span><span class="o">=</span><span class="n">api</span><span class="p">,</span>
<span class="n">endpoint</span><span class="o">=</span><span class="n">stream_name</span>
<span class="p">)</span></pre></div>
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<div class='section' id='section-44'>
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<a class='octothorpe' href='#section-44'>#</a>
</div>
<p>The response here is one of those “envelope” kinds. The data we care about is under
the <code>"sheets"</code> key.</p>
</div>
<div class='code'>
<div class="highlight"><pre> <span class="n">sheets</span> <span class="o">=</span> <span class="n">spreadsheet_md_results</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s1">'sheets'</span><span class="p">)</span>
<span class="k">if</span> <span class="n">sheets</span><span class="p">:</span></pre></div>
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<div class='section' id='section-45'>
<div class='docs'>
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<a class='octothorpe' href='#section-45'>#</a>
</div>
<p>Looping over this array, we call <code>schema.py:get_sheet_metadata</code>. This gets the
JSON schema of each sheet found in this Google Doc. We use the sheet’s title as
the stream name here.</p>
</div>
<div class='code'>
<div class="highlight"><pre> <span class="k">for</span> <span class="n">sheet</span> <span class="ow">in</span> <span class="n">sheets</span><span class="p">:</span>
<span class="n">sheet_json_schema</span><span class="p">,</span> <span class="n">columns</span> <span class="o">=</span> <span class="n">get_sheet_metadata</span><span class="p">(</span><span class="n">sheet</span><span class="p">,</span> <span class="n">spreadsheet_id</span><span class="p">,</span> <span class="n">client</span><span class="p">)</span>
<span class="k">if</span> <span class="n">sheet_json_schema</span> <span class="ow">and</span> <span class="n">columns</span><span class="p">:</span>
<span class="n">sheet_title</span> <span class="o">=</span> <span class="n">sheet</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s1">'properties'</span><span class="p">,</span> <span class="p">{})</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s1">'title'</span><span class="p">)</span>
<span class="n">schemas</span><span class="p">[</span><span class="n">sheet_title</span><span class="p">]</span> <span class="o">=</span> <span class="n">sheet_json_schema</span>
<span class="n">sheet_mdata</span> <span class="o">=</span> <span class="n">metadata</span><span class="o">.</span><span class="n">new</span><span class="p">()</span>
<span class="n">sheet_mdata</span> <span class="o">=</span> <span class="n">metadata</span><span class="o">.</span><span class="n">get_standard_metadata</span><span class="p">(</span>
<span class="n">schema</span><span class="o">=</span><span class="n">sheet_json_schema</span><span class="p">,</span>
<span class="n">key_properties</span><span class="o">=</span><span class="p">[</span><span class="s1">'__sdc_row'</span><span class="p">],</span>
<span class="n">valid_replication_keys</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span>
<span class="n">replication_method</span><span class="o">=</span><span class="s1">'FULL_TABLE'</span>
<span class="p">)</span>
<span class="n">field_metadata</span><span class="p">[</span><span class="n">sheet_title</span><span class="p">]</span> <span class="o">=</span> <span class="n">sheet_mdata</span>
<span class="k">return</span> <span class="n">schemas</span><span class="p">,</span> <span class="n">field_metadata</span></pre></div>
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<div class='section' id='section-46'>
<div class='docs'>
<div class='octowrap'>
<a class='octothorpe' href='#section-46'>#</a>
</div>
<h1>Footnotes</h1>
<p>The shape of response is like, but note the tap stores this in the recursive <code>OrderedDict</code> structure</p>
</div>
<div class='code'>
<div class="highlight"><pre></pre></div>
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<div class='section' id='section-47'>
<div class='docs'>
<div class='octowrap'>
<a class='octothorpe' href='#section-47'>#</a>
</div>
<pre><code class="language-JSON">{
"spreadsheetid": "my-id",
"properties": {...},
"sheets": [
{
"properties": {},
"data": [
{
"rowData": [
{
"values": [
{
"userEnteredValue": {"stringValue": "time1"},
"effectiveValue": {"stringValue": "time1"},
"formattedValue": "time1",
"userEnteredFormat": {...},
"effectiveFormat": {}
},
...
],
},
...
]
}
]
},
]
}
</code></pre>
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<div class='code'>
<div class="highlight"><pre></pre></div>
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