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TextDB-lunfman-0.0.7
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مشاهده بیشترتوضیحات
package for creating simple text based db
| ویژگی | مقدار |
|---|---|
| سیستم عامل | OS Independent |
| نام فایل | TextDB-lunfman-0.0.7 |
| نام | TextDB-lunfman |
| نسخه کتابخانه | 0.0.7 |
| نگهدارنده | [] |
| ایمیل نگهدارنده | [] |
| نویسنده | lunfman |
| ایمیل نویسنده | - |
| آدرس صفحه اصلی | https://github.com/lunfman/TextDb |
| آدرس اینترنتی | https://pypi.org/project/TextDB-lunfman/ |
| مجوز | - |
# TextDb - RASSD(Read, Add, Save, Search, Delete)
[](https://opensource.org/licenses/MIT)
[](https://github.com/lunfman/TextDb/actions/workflows/python-app.yml)
[](https://codecov.io/gh/lunfman/TextDb)
This package allows you to create simple text storage by using python.
- Main functionality is Read, Add, Save, Search, Delete,
- TextDb can not update existing data !!!⚠️ONLY ADD OR DELETE⚠️!!!. Of course if you would like to update you can use a combination of Add and Delete. TextDb has
built-in functionality for this but it does not come out of the package.
- TextDb was created with the idea of storing large data which is not supposed to be updated.
- TextDb can be corrupted if a user tries to update change data directly in a text file and makes a mistake during the process.(!!!⚠️Do not try to update large files directly⚠️!!!)
## Installation
```
pip install TextDB-lunfman
```
## API REF
- Notes if a db file does not exist it will be created automatically.<br>
- To initialized database just provide a path to the file
```
from text_db import TextDb
db = TextDb(path)
```
### API methods
`db.get_data()` - method return a full hash_table of the db class<br><br>
`db.add(row)` - method for adding new entries to db<br>
- takes dictionary as an argument with key and value
- key will be used as label in formatted data when save db
`db.save()` - method which saves data to the file.<br>
`db.delete_by_index(index)` - method for deleting entries from db by using index<br>
`db.sort_by(category, is_float_base = False, is_reverse = True)`
- method which sorts db data by using category name as a flag/indicator
- by default sorted higher first lower last
- if category do not present in some objects they will be passed
- return sorted hash-table with required category
- by default is_float_base = False it means it is sorting content as a string
it can be used with pairs of numbers which can be converted from string to the float
NB!! if number has ',' inside is_float_base will through an error cause it can not
convert to the number. Good - '131.2312' Bad - '12312,122'<br>
- is_reverse by default is true. if change to false it will sort in opposite way.<br>
`db.find_by_index(index)` - method allows finding object/row from db by its index
- return full object/row<br>
`db.find_objects(category_name)` - method which returns a hash with indexes and categories values<br>
`db.get_position(pattern)` - method which uses pattern to find first match in db
- return first found match object index, if not found return 0 <br>
`db.get_obj_by_pattern(pattern)` - method return first object with found pattern as an object {}<br>
`db.get_all_cat_values(category)` - method return all values of the match category as a list<br>
`db.find_objs_where_value_match(category, value)` - method which returns a list with objects
which matches with required value in category<br>
`db.find_all_objs_by_pattern(pattern)` - method which returns all rows witch match with pattern.
if not found return {}<br>
`db.check_if_exists(pattern)` - method return boolean True if pattern present otherwise False<br>
`db.filter_all_queries(patterns_arr` - method return a hash with all results of passed queries
-patterns_arr - an array with valid queries<br>
`db.get_filtered_object()` - this method return TextDb object where data equals to the
latest results of filter_all_queries(patterns_arr) method
Why does this method exist? After a while I found out that I want to sort the filtered data
but to achieve this goal I had to write the same code again somewhere else. Of course, it
was a bad solution. So I came up with the idea of this method. This allows me to use all methods
from this class if needed.<br>
`db.filter_by_almost_equal(category_name, arr_of_values)` - this method returns a hash where category values almost
equal to the arr_of_values.
Nb! use this method if the category has comma separated values. <cat>'1,2'<cat>
or <cat>'s,x,m'<cat>
Basically it checks if values
of one array present in the second arr if so add to filtered_object.
زبان مورد نیاز
| مقدار | نام |
|---|---|
| >=3.6 | Python |
نحوه نصب
نصب پکیج whl TextDB-lunfman-0.0.7:
pip install TextDB-lunfman-0.0.7.whl
نصب پکیج tar.gz TextDB-lunfman-0.0.7:
pip install TextDB-lunfman-0.0.7.tar.gz