added documentation, docs and gitignore

This commit is contained in:
Kevin Froman 2019-03-01 10:40:49 -06:00
parent 0149aa0bc7
commit d673495177
5 changed files with 441 additions and 14 deletions

2
.gitignore vendored Normal file
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venv/*
deadsimplekv/__pycache__/*

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@ -1,2 +1,7 @@
test: test:
./run_tests.sh ./run_tests.sh
docs:
rm -rf docs
pdoc3 --html --html-dir docs deadsimplekv
.PHONY: docs

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@ -17,7 +17,7 @@
''' '''
import json, time, math, os import json, time, math, os
def is_serializable(data): def _is_serializable(data):
try: try:
json.dumps(data) json.dumps(data)
return True return True
@ -40,35 +40,40 @@ class DeadSimpleKV:
self._last_refresh = temp_time # time last refreshed from disk self._last_refresh = temp_time # time last refreshed from disk
self._last_flush = temp_time # time last flushed to disk self._last_flush = temp_time # time last flushed to disk
if os.path.exists(file_path): try:
self.refresh() if os.path.exists(file_path):
self.refresh()
except TypeError:
pass
def get(self, key): def get(self, key):
if self.refresh_seconds is not None and self.file_path is not None: self._do_auto_refresh()
self.refresh()
try: try:
return self._data[key] return self._data[key]
except KeyError: except KeyError:
return None return None
def put(self, key, value): def put(self, key, value):
'''Value setter. Will automatically flush if auto_flush is True and file_path is not None''' '''Value setter. Will automatically flush if auto_flush is True and file_path is not None
Will return value error if either key or value are not JSON serializable
'''
self._data[key] = value # Set the key self._data[key] = value # Set the key
# Check if key and value can be put in JSON # Check if key and value can be put in JSON
if not is_serializable(key): if not _is_serializable(key):
raise ValueError('%s is not JSON serializable' % (key,)) raise ValueError('%s is not JSON serializable' % (key,))
if not is_serializable(value): if not _is_serializable(value):
raise ValueError('%s is not JSON serializable' % (value,)) raise ValueError('%s is not JSON serializable' % (value,))
self._do_auto_flush() self._do_auto_flush()
return (key, value) return (key, value)
def delete(self, key): def delete(self, key):
'''Deletes value. Will automatically flush if auto_flush is True and file_path is not None'''
del self._data[key] del self._data[key]
self._do_auto_flush() self._do_auto_flush()
def refresh(self): def refresh(self):
'''Refresh data and then mark time read''' '''Refresh data and then mark time read. Can be manually called'''
try: try:
self._data = json.loads(DeadSimpleKV._read_in(self.file_path)) self._data = json.loads(DeadSimpleKV._read_in(self.file_path))
except FileNotFoundError: except FileNotFoundError:
@ -76,17 +81,22 @@ class DeadSimpleKV:
self._last_refresh = DeadSimpleKV._get_epoch() self._last_refresh = DeadSimpleKV._get_epoch()
def flush(self): def flush(self):
'''Write out then mark time flushed''' '''Write out then mark time flushed. Can be manually called'''
DeadSimpleKV._write_out(self.file_path, json.dumps(self._data)) DeadSimpleKV._write_out(self.file_path, json.dumps(self._data))
self._last_flush = DeadSimpleKV._get_epoch() self._last_flush = DeadSimpleKV._get_epoch()
def _do_auto_flush(self): def _do_auto_flush(self):
if self.flush_seconds is not None and self.file_path is not None: if self.flush_seconds is not None and self.file_path is not None:
# flush if automatic and it is time to do so # flush if automatic and it is time to do so
temp_time = DeadSimpleKV._get_epoch() if DeadSimpleKV._get_epoch() - self._last_flush >= self.flush_seconds:
if temp_time - self._last_flush >= self.flush_seconds:
self.flush() self.flush()
def _do_auto_refresh(self):
if self.refresh_seconds is not None and self.file_path is not None:
# refresh if automatic and time to do so
if DeadSimpleKV._get_epoch() - self._last_refresh >= self.refresh_seconds:
self.refresh()
@staticmethod @staticmethod
def _get_epoch(): def _get_epoch():
return math.floor(time.time()) return math.floor(time.time())

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</head>
<body>
<main>
<article id="content">
<header>
<h1 class="title"><code>deadsimplekv</code> module</h1>
</header>
<section id="section-intro">
<p>DeadSimpleKv. An extremely simple key-value storage system with cache
Copyright (C) 2019 Kevin Froman</p>
<p>This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.</p>
<p>This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
See the
GNU General Public License for more details.</p>
<p>You should have received a copy of the GNU General Public License
along with this program.
If not, see <a href="https://www.gnu.org/licenses/">https://www.gnu.org/licenses/</a>.</p>
<details class="source">
<summary>Source code</summary>
<pre><code class="python">&#39;&#39;&#39;
DeadSimpleKv. An extremely simple key-value storage system with cache
Copyright (C) 2019 Kevin Froman
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see &lt;https://www.gnu.org/licenses/&gt;.
&#39;&#39;&#39;
import json, time, math, os
def _is_serializable(data):
try:
json.dumps(data)
return True
except TypeError:
return False
class DeadSimpleKV:
def __init__(self, file_path=None, refresh_seconds=0, flush_seconds=0):
&#39;&#39;&#39;
Accepts a file path and refresh.
If file_path is not set, no data will be written to disk.
Refresh is an integer specifying how many seconds should pass before data is re-read from disk.
If refresh_seconds or flush_seconds are set to None they will not be done automatically
&#39;&#39;&#39;
temp_time = DeadSimpleKV._get_epoch() # Initialization time
self.file_path = file_path # The file path where we write our data in JSON format
self.refresh_seconds = refresh_seconds # How often to refresh the
self.flush_seconds = flush_seconds # How often to flush out when setting
self._data = {} # The key store (in memory)
self._last_refresh = temp_time # time last refreshed from disk
self._last_flush = temp_time # time last flushed to disk
try:
if os.path.exists(file_path):
self.refresh()
except TypeError:
pass
def get(self, key):
self._do_auto_refresh()
try:
return self._data[key]
except KeyError:
return None
def put(self, key, value):
&#39;&#39;&#39;Value setter. Will automatically flush if auto_flush is True and file_path is not None
Will return value error if either key or value are not JSON serializable
&#39;&#39;&#39;
self._data[key] = value # Set the key
# Check if key and value can be put in JSON
if not _is_serializable(key):
raise ValueError(&#39;%s is not JSON serializable&#39; % (key,))
if not _is_serializable(value):
raise ValueError(&#39;%s is not JSON serializable&#39; % (value,))
self._do_auto_flush()
return (key, value)
def delete(self, key):
&#39;&#39;&#39;Deletes value. Will automatically flush if auto_flush is True and file_path is not None&#39;&#39;&#39;
del self._data[key]
self._do_auto_flush()
def refresh(self):
&#39;&#39;&#39;Refresh data and then mark time read. Can be manually called&#39;&#39;&#39;
try:
self._data = json.loads(DeadSimpleKV._read_in(self.file_path))
except FileNotFoundError:
pass
self._last_refresh = DeadSimpleKV._get_epoch()
def flush(self):
&#39;&#39;&#39;Write out then mark time flushed. Can be manually called&#39;&#39;&#39;
DeadSimpleKV._write_out(self.file_path, json.dumps(self._data))
self._last_flush = DeadSimpleKV._get_epoch()
def _do_auto_flush(self):
if self.flush_seconds is not None and self.file_path is not None:
# flush if automatic and it is time to do so
if DeadSimpleKV._get_epoch() - self._last_flush &gt;= self.flush_seconds:
self.flush()
def _do_auto_refresh(self):
if self.refresh_seconds is not None and self.file_path is not None:
# refresh if automatic and time to do so
if DeadSimpleKV._get_epoch() - self._last_refresh &gt;= self.refresh_seconds:
self.refresh()
@staticmethod
def _get_epoch():
return math.floor(time.time())
@staticmethod
def _write_out(file_path, data):
&#39;&#39;&#39;Write out the raw data&#39;&#39;&#39;
with open(file_path, &#39;w&#39;) as write_file:
write_file.write(data)
@staticmethod
def _read_in(file_path):
&#39;&#39;&#39;Read in raw data&#39;&#39;&#39;
with open(file_path, &#39;r&#39;) as read_file:
return read_file.read()</code></pre>
</details>
</section>
<section>
</section>
<section>
</section>
<section>
</section>
<section>
<h2 class="section-title" id="header-classes">Classes</h2>
<dl>
<dt id="deadsimplekv.DeadSimpleKV"><code class="flex name class">
<span>class <span class="ident">DeadSimpleKV</span></span>
</code></dt>
<dd>
<section class="desc"></section>
<details class="source">
<summary>Source code</summary>
<pre><code class="python">class DeadSimpleKV:
def __init__(self, file_path=None, refresh_seconds=0, flush_seconds=0):
&#39;&#39;&#39;
Accepts a file path and refresh.
If file_path is not set, no data will be written to disk.
Refresh is an integer specifying how many seconds should pass before data is re-read from disk.
If refresh_seconds or flush_seconds are set to None they will not be done automatically
&#39;&#39;&#39;
temp_time = DeadSimpleKV._get_epoch() # Initialization time
self.file_path = file_path # The file path where we write our data in JSON format
self.refresh_seconds = refresh_seconds # How often to refresh the
self.flush_seconds = flush_seconds # How often to flush out when setting
self._data = {} # The key store (in memory)
self._last_refresh = temp_time # time last refreshed from disk
self._last_flush = temp_time # time last flushed to disk
try:
if os.path.exists(file_path):
self.refresh()
except TypeError:
pass
def get(self, key):
self._do_auto_refresh()
try:
return self._data[key]
except KeyError:
return None
def put(self, key, value):
&#39;&#39;&#39;Value setter. Will automatically flush if auto_flush is True and file_path is not None
Will return value error if either key or value are not JSON serializable
&#39;&#39;&#39;
self._data[key] = value # Set the key
# Check if key and value can be put in JSON
if not _is_serializable(key):
raise ValueError(&#39;%s is not JSON serializable&#39; % (key,))
if not _is_serializable(value):
raise ValueError(&#39;%s is not JSON serializable&#39; % (value,))
self._do_auto_flush()
return (key, value)
def delete(self, key):
&#39;&#39;&#39;Deletes value. Will automatically flush if auto_flush is True and file_path is not None&#39;&#39;&#39;
del self._data[key]
self._do_auto_flush()
def refresh(self):
&#39;&#39;&#39;Refresh data and then mark time read. Can be manually called&#39;&#39;&#39;
try:
self._data = json.loads(DeadSimpleKV._read_in(self.file_path))
except FileNotFoundError:
pass
self._last_refresh = DeadSimpleKV._get_epoch()
def flush(self):
&#39;&#39;&#39;Write out then mark time flushed. Can be manually called&#39;&#39;&#39;
DeadSimpleKV._write_out(self.file_path, json.dumps(self._data))
self._last_flush = DeadSimpleKV._get_epoch()
def _do_auto_flush(self):
if self.flush_seconds is not None and self.file_path is not None:
# flush if automatic and it is time to do so
if DeadSimpleKV._get_epoch() - self._last_flush &gt;= self.flush_seconds:
self.flush()
def _do_auto_refresh(self):
if self.refresh_seconds is not None and self.file_path is not None:
# refresh if automatic and time to do so
if DeadSimpleKV._get_epoch() - self._last_refresh &gt;= self.refresh_seconds:
self.refresh()
@staticmethod
def _get_epoch():
return math.floor(time.time())
@staticmethod
def _write_out(file_path, data):
&#39;&#39;&#39;Write out the raw data&#39;&#39;&#39;
with open(file_path, &#39;w&#39;) as write_file:
write_file.write(data)
@staticmethod
def _read_in(file_path):
&#39;&#39;&#39;Read in raw data&#39;&#39;&#39;
with open(file_path, &#39;r&#39;) as read_file:
return read_file.read()</code></pre>
</details>
<h3>Methods</h3>
<dl>
<dt id="deadsimplekv.DeadSimpleKV.__init__"><code class="name flex">
<span>def <span class="ident">__init__</span></span>(<span>self, file_path=None, refresh_seconds=0, flush_seconds=0)</span>
</code></dt>
<dd>
<section class="desc"><p>Accepts a file path and refresh.
If file_path is not set, no data will be written to disk.
Refresh is an integer specifying how many seconds should pass before data is re-read from disk.
If refresh_seconds or flush_seconds are set to None they will not be done automatically</p></section>
<details class="source">
<summary>Source code</summary>
<pre><code class="python">def __init__(self, file_path=None, refresh_seconds=0, flush_seconds=0):
&#39;&#39;&#39;
Accepts a file path and refresh.
If file_path is not set, no data will be written to disk.
Refresh is an integer specifying how many seconds should pass before data is re-read from disk.
If refresh_seconds or flush_seconds are set to None they will not be done automatically
&#39;&#39;&#39;
temp_time = DeadSimpleKV._get_epoch() # Initialization time
self.file_path = file_path # The file path where we write our data in JSON format
self.refresh_seconds = refresh_seconds # How often to refresh the
self.flush_seconds = flush_seconds # How often to flush out when setting
self._data = {} # The key store (in memory)
self._last_refresh = temp_time # time last refreshed from disk
self._last_flush = temp_time # time last flushed to disk
try:
if os.path.exists(file_path):
self.refresh()
except TypeError:
pass</code></pre>
</details>
</dd>
<dt id="deadsimplekv.DeadSimpleKV.delete"><code class="name flex">
<span>def <span class="ident">delete</span></span>(<span>self, key)</span>
</code></dt>
<dd>
<section class="desc"><p>Deletes value. Will automatically flush if auto_flush is True and file_path is not None</p></section>
<details class="source">
<summary>Source code</summary>
<pre><code class="python">def delete(self, key):
&#39;&#39;&#39;Deletes value. Will automatically flush if auto_flush is True and file_path is not None&#39;&#39;&#39;
del self._data[key]
self._do_auto_flush()</code></pre>
</details>
</dd>
<dt id="deadsimplekv.DeadSimpleKV.flush"><code class="name flex">
<span>def <span class="ident">flush</span></span>(<span>self)</span>
</code></dt>
<dd>
<section class="desc"><p>Write out then mark time flushed. Can be manually called</p></section>
<details class="source">
<summary>Source code</summary>
<pre><code class="python">def flush(self):
&#39;&#39;&#39;Write out then mark time flushed. Can be manually called&#39;&#39;&#39;
DeadSimpleKV._write_out(self.file_path, json.dumps(self._data))
self._last_flush = DeadSimpleKV._get_epoch()</code></pre>
</details>
</dd>
<dt id="deadsimplekv.DeadSimpleKV.get"><code class="name flex">
<span>def <span class="ident">get</span></span>(<span>self, key)</span>
</code></dt>
<dd>
<section class="desc"></section>
<details class="source">
<summary>Source code</summary>
<pre><code class="python">def get(self, key):
self._do_auto_refresh()
try:
return self._data[key]
except KeyError:
return None</code></pre>
</details>
</dd>
<dt id="deadsimplekv.DeadSimpleKV.put"><code class="name flex">
<span>def <span class="ident">put</span></span>(<span>self, key, value)</span>
</code></dt>
<dd>
<section class="desc"><p>Value setter. Will automatically flush if auto_flush is True and file_path is not None
Will return value error if either key or value are not JSON serializable</p></section>
<details class="source">
<summary>Source code</summary>
<pre><code class="python">def put(self, key, value):
&#39;&#39;&#39;Value setter. Will automatically flush if auto_flush is True and file_path is not None
Will return value error if either key or value are not JSON serializable
&#39;&#39;&#39;
self._data[key] = value # Set the key
# Check if key and value can be put in JSON
if not _is_serializable(key):
raise ValueError(&#39;%s is not JSON serializable&#39; % (key,))
if not _is_serializable(value):
raise ValueError(&#39;%s is not JSON serializable&#39; % (value,))
self._do_auto_flush()
return (key, value)</code></pre>
</details>
</dd>
<dt id="deadsimplekv.DeadSimpleKV.refresh"><code class="name flex">
<span>def <span class="ident">refresh</span></span>(<span>self)</span>
</code></dt>
<dd>
<section class="desc"><p>Refresh data and then mark time read. Can be manually called</p></section>
<details class="source">
<summary>Source code</summary>
<pre><code class="python">def refresh(self):
&#39;&#39;&#39;Refresh data and then mark time read. Can be manually called&#39;&#39;&#39;
try:
self._data = json.loads(DeadSimpleKV._read_in(self.file_path))
except FileNotFoundError:
pass
self._last_refresh = DeadSimpleKV._get_epoch()</code></pre>
</details>
</dd>
</dl>
</dd>
</dl>
</section>
</article>
<nav id="sidebar">
<h1>Index</h1>
<div class="toc">
<ul></ul>
</div>
<ul id="index">
<li><h3><a href="#header-classes">Classes</a></h3>
<ul>
<li>
<h4><code><a title="deadsimplekv.DeadSimpleKV" href="#deadsimplekv.DeadSimpleKV">DeadSimpleKV</a></code></h4>
<ul class="two-column">
<li><code><a title="deadsimplekv.DeadSimpleKV.__init__" href="#deadsimplekv.DeadSimpleKV.__init__">__init__</a></code></li>
<li><code><a title="deadsimplekv.DeadSimpleKV.delete" href="#deadsimplekv.DeadSimpleKV.delete">delete</a></code></li>
<li><code><a title="deadsimplekv.DeadSimpleKV.flush" href="#deadsimplekv.DeadSimpleKV.flush">flush</a></code></li>
<li><code><a title="deadsimplekv.DeadSimpleKV.get" href="#deadsimplekv.DeadSimpleKV.get">get</a></code></li>
<li><code><a title="deadsimplekv.DeadSimpleKV.put" href="#deadsimplekv.DeadSimpleKV.put">put</a></code></li>
<li><code><a title="deadsimplekv.DeadSimpleKV.refresh" href="#deadsimplekv.DeadSimpleKV.refresh">refresh</a></code></li>
</ul>
</li>
</ul>
</li>
</ul>
</nav>
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@ -1,7 +1,7 @@
from distutils.core import setup from distutils.core import setup
setup(name='deadsimplekv', setup(name='deadsimplekv',
version='0.0.0', version='0.0.1',
description='Very simple key-value store for Python', description='Very simple key-value store for Python',
author='Kevin Froman', author='Kevin Froman',
author_email='beardog@firemail.cc', author_email='beardog@firemail.cc',