workflow-templater 0.2.15

Creator: bradpython12

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Description:

workflowtemplater 0.2.15

Intro
Template engine for (currently) Jira and Email. Uses yaml and jinja2. It helps you create multiple (possibly cross-linked) jira issues and emails from a template.
Table of Contents



Intro
Table of Contents
Installation

Windows
macOS
Anything else (GNU/Linux, Cygwin, *nix, etc)

Using pip
Using pipx
From source




Usage
Configuration
Template description

Overview
Examples




Installation
Windows

Download Workflow_Templater_${version}.exe from the latest release on Releases page.
Install it.
Now workflow-templater executable should be available from Windows Command Prompt (cmd.exe) and from Powershell.
(Optional, recommended) Install Windows Terminal and use it instead of default console.

macOS

Install python ≥ 3.10.

Using official Python installer:

Install python ≥ 3.10 from https://python.org/ ("macOS 64-bit installer")
Install CA certificates for python, execute in Terminal:
/Applications/Python\ 3.7/Install\ Certificates.command

Alternatively, you can double-click on Install Certificates.command in Finder


Or using Homebrew:
brew install python





pip3 install workflow-templater



Anything else (GNU/Linux, Cygwin, *nix, etc)
Using pip

Make sure that python ≥ 3.10 is installed

pip3 install workflow-templater



Using pipx


pipx run workflow-templater



From source

Clone this repo
Install dependencies if required
pip3 install -r requirements.txt


You can execute the script directly:
cd workflow_templater
./workflow_templater/__init__.py --help

Or install/build/whatever it with
python3 setup.py



Usage
See
workflow-templater --help

Configuration
To avoid typing same command line arguments each time, it is possible to specify them in configuration file. Configuration file location is OS-specific, to find out correct location for your os, execute workflow-templater --help, you'll see message "--config CONFIG overwrite config file path, default is location"where{location} is the location of configuration file on your OS. You can create this file and specify values of command-line arguments omitting -- and replacing - with _, for example, --jira-user j_wayne becomes jira_user: j_wayne, --dry-run becomes dry_run: true and so on. You can also use jinja2 in configuration file which evaluates using variables from itself.
Example ~/.config/workflow-templater/config.yaml:
dry_run: true
verbose: true
user: j_wayne
jira: https://jira.example.com/
jira_user: '{{ user }}'
email_user: '{{ user }}'
email_from: '{{ user }}@example.com'
email_smtp: 'smtp.example.com:587'
# avoid typing in the same password for jira and email
jira_keyring_service_name: 'MyCorp LDAP'
email_keyring_service_name: 'MyCorp LDAP'

Template description
Overview


Whole workflow template is a directory.


There should be one file with variables named 0_common.yaml, 00_common.yaml or common.yaml. Alternatively, you can name this file as you wish and specify its name with --vars argument.


There may be any amount of "issue" files:

ending with ".jira.yaml" for jira issue

All fields in each jira.issue file are send as is to Jira via API in fields fileld with the exception of following fields:

watchers: it's impossible to add watchers during create so it handled separately via this API method.
update: its content is sent in update via API
global special fields (see below)




ending with ".email.yaml" for email.



There may be optional file named mutate.py with function mutate which accepts variables, modifies them and returns the result wich can be used in templates.
Basic example:
def mutate(variables):
variables['new_variable'] = f'{variables["old_var1"]} and {variables["old_var2"]}'
return variables

Security note: if you concerned that this feature introduces an ability to execute arbitrary code from the templates, that's correct. However, this is also possible with bare jinja templates (see https://github.com/pallets/jinja/issues/549), so you should make sure that your templates come from trusted sources anyway.


Each "issue" file is yaml file where each string value is rendered with Jinja2 using variables from *common.yaml file.


Special variables available for use in jinja:

issuekey_self: Jira issue key or Message-ID of current issue or email.
issuekey_<name>: Jira issue key or Message-ID of issue or email named <name>. For example, for issue in filename something.jira.yaml this variable name would be issuekey_something and it can be used in all templates.



Global special fields:

foreach: list, create one issue per item in this list. List items should be strings or dicts (in case of dicts you must specify foreach_namevar too, see below). In case of strings, issuekey_ variable would be named issuekey_<name>_<list_value>
Example:
foreach:
- Android
- iOS
summary: 'Release application for {{ item }}'
...

would finally evaluate to following issues:
summary: 'Release application for Android'
...

summary: 'Release application for iOS'
...


foreach_fromvar: if content for foreach variable is shared between several templates, it's better to specify it in *common.yaml file and specify here the name of the variable in this file. Example:
common.yaml:
OSes:
- Android
- iOS
...

build.jira.yaml:
foreach_fromvar: OSes
summary: 'Build clients for {{ item }}'
...

release.jira.yaml:
foreach_fromvar: OSes
summary: 'Release application for {{ item }}'
...


foreach_key: if you don't like default variable name (item) for each item in foreach list, you may specify it here. Example
foreach:
- Android
- iOS
foreach_key: os
summary: 'Release application for {{ os }}'
...

would finally evaluate to following issues:
summary: 'Release application for Android'
...

summary: 'Release application for iOS'
...


foreach_namevar: when foreach is in use, workflow-templater would generate issuekey_ variable name as follows: issuekey_<name>_<list_value>. If you use dicts as foreach values, you need to specify key name in this dicts which will be appended to the end of this variable name. Example
release.jira.yaml file:
foreach:
- name: Android
date: !!timestamp 2019-10-24 06:30:00.0
- name: iOS
date: !!timestamp 2019-10-24 10:50:00.0
foreach_namevar: name
summary: 'Release application for {{ item.name }}'
...

Now in any other (or the same) issue you can link to this issues as follows:
summary: 'Notify community'
description: |
Android release task: {{ issuekey_release_Android }}
iOS release task: {{ issuekey_release_iOS }}


if: if this variable value evaluates to empty string (''), false or no, this template will be completely ignored. Note: value for this variable is calculated for each item separately when foreach or foreach_fromvar is in use.
Example:
foreach:
- Android
- iOS
foreach_key: os
if: '{{ os in ["Android", "GNU/Linux"] }}'
summary: 'Release application for {{ os }}'
...

would finally evaluate to following issue (only one, obviously):
summary: 'Release application for Android'
...





Examples
See basic release example for basic example.

License

For personal and professional use. You cannot resell or redistribute these repositories in their original state.

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