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delimited2fixedwidth-1.0.9
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مشاهده بیشترتوضیحات
Convert files from delimited (e.g. CSV) to fixed width format
| ویژگی | مقدار |
|---|---|
| سیستم عامل | - |
| نام فایل | delimited2fixedwidth-1.0.9 |
| نام | delimited2fixedwidth |
| نسخه کتابخانه | 1.0.9 |
| نگهدارنده | [] |
| ایمیل نگهدارنده | [] |
| نویسنده | Emilien Klein |
| ایمیل نویسنده | emilien@klein.st |
| آدرس صفحه اصلی | https://github.com/e2jk/delimited2fixedwidth |
| آدرس اینترنتی | https://pypi.org/project/delimited2fixedwidth/ |
| مجوز | - |
# delimited2fixedwidth
Convert files from delimited (e.g. CSV) to fixed width format
[](https://github.com/e2jk/delimited2fixedwidth/releases/latest)
[](https://pypi.org/project/delimited2fixedwidth/)
[](https://travis-ci.com/e2jk/delimited2fixedwidth)
[](https://codecov.io/gh/e2jk/delimited2fixedwidth)
[](https://github.com/e2jk/delimited2fixedwidth/commits/master)
[](../../tree/master/LICENSE)
How to run the program
======================
How to install the program
--------------------------
For Linux and Windows, download the latest version from [here](https://github.com/e2jk/delimited2fixedwidth/releases/latest) (look under the "Assets" section) and run it on your system, no need to install anything else.
The program can also be installed from the Python Package Index:
```
pip install delimited2fixedwidth
```
Or it can be downloaded and ran directly from the [Docker Hub](https://hub.docker.com/r/e2jk/delimited2fixedwidth):
```
docker run --rm e2jk/delimited2fixedwidth [add parameters here]
```
See below [how to install from source](#how-to-install-from-source).
Configuration file
------------------
In order for the program to know how to transform your delimited file into a fixed-width file, you will need to provide a configuration file describing the length and type of values expected for your output file.
An example configuration file can be found at
[`tests/sample_files/configuration1.xlsx`](../../tree/master/tests/sample_files/configuration1.xlsx)
A configuration file is a simple Excel `.xlsx` file in which each row represents a single field expected in the output file (the fixed-width file), and at least these 3 column headers, i.e. the first line in your Excel file:
* Length
* Output format
* Skip field
The **Length** value is self-explanatory: it represents how long the field will be in the generated fixed-width file. If the value in the input file is shorter than this defined length, it will be padded with `0`s or spaces, depending on the type of Output format (see next section).
The **Output format** defines how the input value must be treated and transformed. The following values are supported:
* `Integer`
* A numeric value that gets padded with `0`s added to the left
* Example: "`123`" becomes "`000123`" if a length of 6 is defined
* `Decimal`
* Decimal numbers get sent as "cents" instead of "dollars", rounded to the nearest cent. (yeah, weird explanation -- better have a look at the example...). Also padded with `0`s added to the left.
* Example: "`123.458`" becomes "`00012346`" if a length of 8 is defined
* `Keep numeric`
* strips all non-numeric characters from an input value and treats the remaining value as `Integer`
* Example: "`1-2.3a`" becomes "`000123`" if a length of 6 is defined
* Date
* A date to be converted from one format to another. The input value can be sent with either Day or Month as first element or as ISO format YYYYMMDD, and with a slash, dash, dot or no separator. When there is a separator defined, the day and month can omit the leading 0, if need be. See at the top of the [`test_main.py` file](https://github.com/e2jk/delimited2fixedwidth/blob/master/tests/test_main.py#L37) for the full list of supported codes.
* Examples:
* "`21/06/2020`" becomes "`20200621`" with a format of `Date (DD/MM/YYYY to YYYYMMDD)` and a length of 8
* "`6-21-2020`" becomes "`20200621`" with a format of `Date (MM-DD-YYYY to YYYYMMDD)` and a length of 8
* "`21062020`" becomes "`20200621`" with a format of `Date (DDMMYYYY to YYYYMMDD)` and a length of 8
* "`6.21.2020`" becomes "`21/06/2020`" with a format of `Date (MM.DD.YYYY to DD/MM/YYYY)` and a length of 10
* `Time`
* A time sent as hour:minutes (with or without colon in the input data) will be sent out without the colon
* Example: "`20:06`" becomes "`2006`" if a length of 4 is defined
* `Text`
* The value gets sent without format changes (such as those outlined above for date and time), with spaces added at the end, on the right of the string
* Example: "`Hello`" becomes "<code>Hello </code>" if a length of 10 is defined
Finally, setting the value of the **Skip field** column to "`True`" allows to send a field as blank in the output file, respecting the field size and padding type: `0`s or spaces depending on the defined output format.
Running the program
-------------------
Open a Command Line window `cmd` and indicate your input file name, output file name and configuration file to use. You can additionally indicate if your input file uses a specific field separator (default is `,`), textual field wrapper (default is `"`), or if you want to skip a specific number of header or footer files from your input file.
See the [Program help information](#program-help-information) section below for details on how to populate these arguments.
An example run of the program could look like this:
```
delimited2fixedwidth.exe --input data\input_file.txt --config data\configuration_file.xlsx --output data\output_file.txt --delimiter "^" --skip-header 1 --skip-footer 1
```
Or it can be ran from the [Docker Hub](https://hub.docker.com/r/e2jk/delimited2fixedwidth):
```
docker run --rm e2jk/delimited2fixedwidth [add parameters here]
```
If you've installed the program following [how to install from source](#how-to-install-from-source), you can run the program with `pipenv run python delimited2fixedwidth.py`.
Program help information
------------------------
```
usage: delimited2fixedwidth.py [-h] [--version] [-x] (-i INPUT | -id INPUT_DIRECTORY) [-ie INPUT_ENCODING]
(-o OUTPUT | -od OUTPUT_DIRECTORY) [-m] -c CONFIG [-dl DELIMITER] [-q QUOTECHAR] [-sh SKIP_HEADER]
[-sf SKIP_FOOTER] [-l LOCALE] [-t TRUNCATE] [-dv DIVERT] [-d] [-v]
Convert files from delimited (e.g. CSV) to fixed width format
optional arguments:
-h, --help show this help message and exit
--version show program's version number and exit
-x, --overwrite-file Allow to overwrite the output file
-i INPUT, --input INPUT
Specify the input file
-id INPUT_DIRECTORY, --input-directory INPUT_DIRECTORY
Specify the input directory from which to process input files
-ie INPUT_ENCODING, --input-encoding INPUT_ENCODING
Specify the encoding of the input files (default: 'utf-8')
-o OUTPUT, --output OUTPUT
Specify the output file
-od OUTPUT_DIRECTORY, --output-directory OUTPUT_DIRECTORY
The directory in which to create the output files
-m, --move-input-files
Move the input files to the output directory after processing. Must be used in conjunction with the `--output-
directory` argument.
-c CONFIG, --config CONFIG
Specify the configuration file
-dl DELIMITER, --delimiter DELIMITER
The field delimiter used in the input file (default ,)
-q QUOTECHAR, --quotechar QUOTECHAR
The character used to wrap textual fields in the input file (default ")
-sh SKIP_HEADER, --skip-header SKIP_HEADER
The number of header lines to skip (default 0)
-sf SKIP_FOOTER, --skip-footer SKIP_FOOTER
The number of footer lines to skip (default 0)
-l LOCALE, --locale LOCALE
Change the locale, useful to handle decimal separators
-t TRUNCATE, --truncate TRUNCATE
Comma-delimited list of field numbers for which the output will be truncated at the maximum line length, should the
input value be longer than the maximum defined field length. If not set, a field that is too long will cause the
script to stop with an error.
-dv DIVERT, --divert DIVERT
Diverts to a separate file the content from rows containing a specific value at a specific place. The format of this
parameter is "<field number>,<value to divert on>" (without quotes). This parameter can be repeated several times to
support different values or different fields. The diverted content will be saved to a file whose name will be the
output filename with "_diverted" added before the file extension.
-d, --debug Print lots of debugging statements
-v, --verbose Be verbose
```
Development information
=======================
How to install from source
--------------------------
### Create the environment:
```bash
cd devel/delimited2fixedwidth/
python3 -m pip install --user pipenv
pipenv install
```
If you want to develop the script, replace that last command by `pipenv install --dev`
### Activate the virtual environment:
```bash
cd devel/delimited2fixedwidth/
pipenv shell
```
You can also run the script using `pipenv run delimited2fixedwidth.py` instead of `python3 delimited2fixedwidth.py` without having to set up a subshell (which has some problems in Windows, with the history not being accessible with the up arrow)
### When done:
```bash
exit
```
### Update the dependencies:
```bash
pipenv update
```
### Install a new dependency
```bash
pipenv install <package_name> [--dev]
```
Building the executable
-----------------------
Run the following command in your virtual environment:
```
pipenv run pyinstaller --onefile delimited2fixedwidth.py
```
The executable that gets created in the `dist` folder can then be uploaded to Github as a new release.
Packaging the source and publishing to the Python Package Index
---------------------------------------------------------------
Follow the instructions mentioned [here](https://packaging.python.org/tutorials/packaging-projects/#generating-distribution-archives), namely:
```
pipenv lock -r > requirements-no-dev.txt
pipenv run python setup.py sdist bdist_wheel
pipx run twine upload dist/*
```
Create the Docker image and publish it to Docker Hub
----------------------------------------------------
Run:
* `docker build -t e2jk/delimited2fixedwidth:latest -t e2jk/delimited2fixedwidth:<version> --rm .` to build the Docker image.
* `docker run --rm e2jk/delimited2fixedwidth:<version>` to test the Docker image locally.
* `docker push e2jk/delimited2fixedwidth:latest` and `docker push e2jk/delimited2fixedwidth:<version>` to push the Docker image to Docker Hub.
Changelog
=========
These are the changes brought in each versions:
v1.0.11 (2021-07-09)
====================
Non-breaking changes:
---------------------
* Fix package published on PyPI
v1.0.10 (2020-11-21)
====================
Non-breaking changes:
---------------------
* New `--input-encoding` argument to specify the encoding of the input files, defaults to 'utf-8'
v1.0.9 (2020-11-10)
===================
Non-breaking changes:
---------------------
* Process all the files in a directory as multiple input files through the new arguments `--input-directory` and `--output-directory`
* New `--move-input-files` argument to move the input files to the output directory after processing
* `--output` moved back as a shared argument (relevant for scripts using delimited2fixedwidth as an imported library), partially reverting a change introduced in v1.0.2
* Ensure the `--overwrite-file` argument is only used with `--output`
v1.0.8 (2020-11-02)
===================
Breaking changes:
-----------------
* Date and Time fields now default/pad to 0's instead of spaces
Non-breaking changes:
---------------------
* The program can now be ran in a Docker container: https://hub.docker.com/r/e2jk/delimited2fixedwidth
v1.0.7 (2020-09-30)
===================
Non-breaking changes:
---------------------
* Support a large number of new date formats. See at the top of the [`test_main.py` file](https://github.com/e2jk/delimited2fixedwidth/blob/master/tests/test_main.py#L37) for the full list of supported codes. Some examples:
* `Date (DD/MM/YYYY to DD/MM/YYYY)`
* `Date (YYYYMMDD to DD.MM.YYYY)`
* `Date (MM.DD.YYYY to YYYYMMDD)`
* `Date (YYYYMMDD to MM-DD-YYYY)`
* New format `Keep numeric` that strips all non-numeric characters from an input value
* New `--divert` argument to divert to a separate file the content from rows containing specific values
v1.0.6 (2020-09-17)
===================
Non-breaking changes:
---------------------
* New `--truncate` argument to specify which fields can be cut when the input value is longer than the defined maximum field length
* New `--locale` argument, in case a different Decimal separator is used
* Fix: Spaces or empty string accepted as valid Integer and Decimal values (interpreted as 0)
v1.0.5 (2020-09-16)
===================
Non-breaking changes:
---------------------
* Support for new date formats:
* `Date (DD-MM-YYYY to YYYYMMDD)`
* `Date (MM-DD-YYYY to YYYYMMDD)`
* `Date (DD.MM.YYYY to YYYYMMDD)`
* `Date (MM.DD.YYYY to YYYYMMDD)`
* `Date (DDMMYYYY to YYYYMMDD)`
* `Date (MMDDYYYY to YYYYMMDD)`
v1.0.4 (2020-09-16)
===================
Other changes:
--------------
* Reduce the number of dependencies
* Exclude the development-specific dependencies in the PyPI package
v1.0.3 (2020-09-14)
===================
Non-breaking changes:
---------------------
* Fix handling of the "Date (MM/DD/YYYY to YYYYMMDD)" date format
Other changes:
--------------
* Changes to the development toolchain and test suite
v1.0.2 (2020-09-07)
===================
Non-breaking changes:
---------------------
* Remove `--output` and `--overwrite-file` from the shared arguments (relevant for scripts using delimited2fixedwidth as an imported library)
v1.0.1 (2020-09-06)
===================
Non-breaking changes:
---------------------
* Expose command-line arguments for code that imports this module
* Refactor some of the test suite
v1.0.0 (2020-09-05)
===================
Non-breaking changes:
---------------------
* Refactor code to be able to import `process()` from outside scripts
* Returns the number of processed rows and the oldest and most recent dates on a to-be-specified date field
v0.0.2-alpha (2020-09-04)
=========================
Breaking changes:
-----------------
* Format `Date (DD/MM/YYYY)` renamed to `Date (DD/MM/YYYY to YYYYMMDD)`
Non-breaking changes:
---------------------
* [First version published on PyPI](https://pypi.org/project/delimited2fixedwidth)
* Support for new date format: `"Date (MM/DD/YYYY to YYYYMMDD)"`
* New `--version` argument
v0.0.1-alpha (2020-08-31)
=========================
* Initial release
نیازمندی
| مقدار | نام |
|---|---|
| ==3.0.7 | openpyxl |
| ==1.1.0 | et-xmlfile |
زبان مورد نیاز
| مقدار | نام |
|---|---|
| >=3.6 | Python |
نحوه نصب
نصب پکیج whl delimited2fixedwidth-1.0.9:
pip install delimited2fixedwidth-1.0.9.whl
نصب پکیج tar.gz delimited2fixedwidth-1.0.9:
pip install delimited2fixedwidth-1.0.9.tar.gz