| Name | heaviside JSON |
| Version |
2.2.5
JSON |
| download |
| home_page | None |
| Summary | Python library and DSL for working with AWS StepFunctions |
| upload_time | 2024-11-04 22:57:30 |
| maintainer | None |
| docs_url | None |
| author | Derek Pryor |
| requires_python | >=3.8 |
| license | Apache License Version 2.0, January 2004 http://www.apache.org/licenses/ TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION 1. Definitions. "License" shall mean the terms and conditions for use, reproduction, and distribution as defined by Sections 1 through 9 of this document. "Licensor" shall mean the copyright owner or entity authorized by the copyright owner that is granting the License. "Legal Entity" shall mean the union of the acting entity and all other entities that control, are controlled by, or are under common control with that entity. For the purposes of this definition, "control" means (i) the power, direct or indirect, to cause the direction or management of such entity, whether by contract or otherwise, or (ii) ownership of fifty percent (50%) or more of the outstanding shares, or (iii) beneficial ownership of such entity. "You" (or "Your") shall mean an individual or Legal Entity exercising permissions granted by this License. "Source" form shall mean the preferred form for making modifications, including but not limited to software source code, documentation source, and configuration files. "Object" form shall mean any form resulting from mechanical transformation or translation of a Source form, including but not limited to compiled object code, generated documentation, and conversions to other media types. "Work" shall mean the work of authorship, whether in Source or Object form, made available under the License, as indicated by a copyright notice that is included in or attached to the work (an example is provided in the Appendix below). "Derivative Works" shall mean any work, whether in Source or Object form, that is based on (or derived from) the Work and for which the editorial revisions, annotations, elaborations, or other modifications represent, as a whole, an original work of authorship. For the purposes of this License, Derivative Works shall not include works that remain separable from, or merely link (or bind by name) to the interfaces of, the Work and Derivative Works thereof. "Contribution" shall mean any work of authorship, including the original version of the Work and any modifications or additions to that Work or Derivative Works thereof, that is intentionally submitted to Licensor for inclusion in the Work by the copyright owner or by an individual or Legal Entity authorized to submit on behalf of the copyright owner. For the purposes of this definition, "submitted" means any form of electronic, verbal, or written communication sent to the Licensor or its representatives, including but not limited to communication on electronic mailing lists, source code control systems, and issue tracking systems that are managed by, or on behalf of, the Licensor for the purpose of discussing and improving the Work, but excluding communication that is conspicuously marked or otherwise designated in writing by the copyright owner as "Not a Contribution." "Contributor" shall mean Licensor and any individual or Legal Entity on behalf of whom a Contribution has been received by Licensor and subsequently incorporated within the Work. 2. Grant of Copyright License. Subject to the terms and conditions of this License, each Contributor hereby grants to You a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare Derivative Works of, publicly display, publicly perform, sublicense, and distribute the Work and such Derivative Works in Source or Object form. 3. Grant of Patent License. Subject to the terms and conditions of this License, each Contributor hereby grants to You a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable (except as stated in this section) patent license to make, have made, use, offer to sell, sell, import, and otherwise transfer the Work, where such license applies only to those patent claims licensable by such Contributor that are necessarily infringed by their Contribution(s) alone or by combination of their Contribution(s) with the Work to which such Contribution(s) was submitted. If You institute patent litigation against any entity (including a cross-claim or counterclaim in a lawsuit) alleging that the Work or a Contribution incorporated within the Work constitutes direct or contributory patent infringement, then any patent licenses granted to You under this License for that Work shall terminate as of the date such litigation is filed. 4. Redistribution. You may reproduce and distribute copies of the Work or Derivative Works thereof in any medium, with or without modifications, and in Source or Object form, provided that You meet the following conditions: (a) You must give any other recipients of the Work or Derivative Works a copy of this License; and (b) You must cause any modified files to carry prominent notices stating that You changed the files; and (c) You must retain, in the Source form of any Derivative Works that You distribute, all copyright, patent, trademark, and attribution notices from the Source form of the Work, excluding those notices that do not pertain to any part of the Derivative Works; and (d) If the Work includes a "NOTICE" text file as part of its distribution, then any Derivative Works that You distribute must include a readable copy of the attribution notices contained within such NOTICE file, excluding those notices that do not pertain to any part of the Derivative Works, in at least one of the following places: within a NOTICE text file distributed as part of the Derivative Works; within the Source form or documentation, if provided along with the Derivative Works; or, within a display generated by the Derivative Works, if and wherever such third-party notices normally appear. The contents of the NOTICE file are for informational purposes only and do not modify the License. You may add Your own attribution notices within Derivative Works that You distribute, alongside or as an addendum to the NOTICE text from the Work, provided that such additional attribution notices cannot be construed as modifying the License. You may add Your own copyright statement to Your modifications and may provide additional or different license terms and conditions for use, reproduction, or distribution of Your modifications, or for any such Derivative Works as a whole, provided Your use, reproduction, and distribution of the Work otherwise complies with the conditions stated in this License. 5. Submission of Contributions. Unless You explicitly state otherwise, any Contribution intentionally submitted for inclusion in the Work by You to the Licensor shall be under the terms and conditions of this License, without any additional terms or conditions. Notwithstanding the above, nothing herein shall supersede or modify the terms of any separate license agreement you may have executed with Licensor regarding such Contributions. 6. Trademarks. This License does not grant permission to use the trade names, trademarks, service marks, or product names of the Licensor, except as required for reasonable and customary use in describing the origin of the Work and reproducing the content of the NOTICE file. 7. Disclaimer of Warranty. Unless required by applicable law or agreed to in writing, Licensor provides the Work (and each Contributor provides its Contributions) on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied, including, without limitation, any warranties or conditions of TITLE, NON-INFRINGEMENT, MERCHANTABILITY, or FITNESS FOR A PARTICULAR PURPOSE. You are solely responsible for determining the appropriateness of using or redistributing the Work and assume any risks associated with Your exercise of permissions under this License. 8. Limitation of Liability. In no event and under no legal theory, whether in tort (including negligence), contract, or otherwise, unless required by applicable law (such as deliberate and grossly negligent acts) or agreed to in writing, shall any Contributor be liable to You for damages, including any direct, indirect, special, incidental, or consequential damages of any character arising as a result of this License or out of the use or inability to use the Work (including but not limited to damages for loss of goodwill, work stoppage, computer failure or malfunction, or any and all other commercial damages or losses), even if such Contributor has been advised of the possibility of such damages. 9. Accepting Warranty or Additional Liability. While redistributing the Work or Derivative Works thereof, You may choose to offer, and charge a fee for, acceptance of support, warranty, indemnity, or other liability obligations and/or rights consistent with this License. However, in accepting such obligations, You may act only on Your own behalf and on Your sole responsibility, not on behalf of any other Contributor, and only if You agree to indemnify, defend, and hold each Contributor harmless for any liability incurred by, or claims asserted against, such Contributor by reason of your accepting any such warranty or additional liability. END OF TERMS AND CONDITIONS APPENDIX: How to apply the Apache License to your work. To apply the Apache License to your work, attach the following boilerplate notice, with the fields enclosed by brackets "{}" replaced with your own identifying information. (Don't include the brackets!) The text should be enclosed in the appropriate comment syntax for the file format. We also recommend that a file or class name and description of purpose be included on the same "printed page" as the copyright notice for easier identification within third-party archives. Copyright {yyyy} {name of copyright owner} Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License. |
| keywords |
bossdb
microns
aws
stepfunctions
dsl
|
| VCS |
 |
| bugtrack_url |
|
| requirements |
hvac
setuptools
funcparserlib
iso8601
boto3
importlib_resources
|
| Travis-CI |
No Travis.
|
| coveralls test coverage |
No coveralls.
|
# Heaviside
Heaviside is a domain specific language (DSL) and Python compiler / support
libraries for working with [AWS StepFunctions].
## Why
The reason for a StepFunctions DSL is that the [state machine language], while
flexible, is hard to write and maintain. The DSL provides a simplied format for
writing StepFunction state machines and serveral of common flow control
statements.
## DSL
The [StepFunctionDSL] document describes the Heaviside DSL.
## Getting Started
In this document `.hsd` will be used to denote a StepFunction file written in
the Heaviside DSL. The extension `.sfn` will be used to denote a StepFunction
file written in the AWS [state machine language].
### Installing
```
pip install heaviside
```
### CLI Script
The Heaviside package installs a script called `heaviside` that provides a CLI
to the library. Running the command without arguments or with the `--help` or
`-h` flag will provide detailed help.
#### AWS Credentials
All sub-commands (except `compile`) connect to AWS to manipulate StepFunctions.
There are multiple ways to define the AWS credentials, listed in the order of
precedence.
* Explicitly pass the values as command line arguments or environmental variables
* Pass a file path to a JSON file with the arguments
* Letting Boto3 try to resolve secret / access keys
* Looking at EC2 meta data for current AWS region
* Looking at current IAM user for AWS account_id
The `compile` sub-command doesn't connect to AWS, but does use the region and
account_id values when resolving Task ARNs. If the Heaviside DSL file has full
Task ARNs or the compiled file will not be uploaded to AWS these values can be
blank.
**Note**: Since `compile` doesn't connect to AWS, only the first two options in
the list above are valid for passing the region and account_id value.
#### Compiling
To compile a Heaviside file into a AWS StepFunction file use the `compile`
sub-command.
```
$ heaviside compile state_machine.hsd -o state_machine.sfn
```
#### Creating a StepFunction
The `heaviside` script can compile and upload the resulting file to AWS.
```
$ heaviside create state_machine.hsd AwsIamStepFunctionRole
```
Arguments:
* `state_machine.hsd`: The path to the Step Function definition written in the
Heaviside DSL.
* `AwsIamStepFunctionRole`: The AWS IAM Role that the StepFunction will use
when executing. Most often this will be used to
control which Lambdas and Activities the
StepFunction has permission to execute.
#### Updating a StepFunction
The `heaviside` script can update an existing Step Function definition and / or
IAM role in AWS.
```
$ heaviside update state_machine --file state_machine.hsd --role AwsIamStepFunctionRole
```
Arguments:
* `state_machine`: Name of the state machine to update
* `state_machine.hsd`: The path to the Step Function definition written in the
Heaviside DSL.
* `AwsIamStepFunctionRole`: The AWS IAM Role that the StepFunction will use
when executing. Most often this will be used to
control which Lambdas and Activities the
StepFunction has permission to execute.
#### Deleting a StepFunction
The `delete` sub-command can be used to delete an existing StepFunction
```
$ heaviside delete state_machine
```
#### Executing a StepFunction
The `start` sub-command can be used to start executing a StepFunction.
```
$ heaviside start --json "{}" state_machine
```
**Note**: By default the `start` sub-command will wait until the
execution has finished and will print the output of the StepFunction.
## Python Library
The Heaviside package installs the Python library `heaviside`. The public
API is documented in the [Library API](docs/LibraryAPI.md) file.
## Compatibility
Currently, Heaviside has only been tested with Python 3.8 and 3.11
## Related Projects
* [statelint]: A Ruby project that verifies a AWS StepFunction definition file.
Includes checks like making sure that all states are reachable.
Helpful when developing a new StepFunction to ensure everything
is correct. It will catch structural problems that Heaviside
doesn't check for.
[AWS StepFunctions]: https://aws.amazon.com/step-functions/
[state machine language]: https://states-language.net/spec.html
[StepFunctionDSL]: docs/StepFunctionDSL.md
[Activities document]: docs/Activites.md
[statelint]: https://github.com/awslabs/statelint
## Legal
Use or redistribution of the Boss system in source and/or binary forms, with or without modification, are permitted provided that the following conditions are met:
1. Redistributions of source code or binary forms must adhere to the terms and conditions of any applicable software licenses.
2. End-user documentation or notices, whether included as part of a redistribution or disseminated as part of a legal or scientific disclosure (e.g. publication) or advertisement, must include the following acknowledgement: The Boss software system was designed and developed by the Johns Hopkins University Applied Physics Laboratory (JHU/APL).
3. The names "The Boss", "JHU/APL", "Johns Hopkins University", "Applied Physics Laboratory", "MICrONS", or "IARPA" must not be used to endorse or promote products derived from this software without prior written permission. For written permission, please contact BossAdmin@jhuapl.edu.
4. This source code and library is distributed in the hope that it will be useful, but is provided without any warranty of any kind.
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"description": "# Heaviside\nHeaviside is a domain specific language (DSL) and Python compiler / support\nlibraries for working with [AWS StepFunctions].\n\n## Why\nThe reason for a StepFunctions DSL is that the [state machine language], while\nflexible, is hard to write and maintain. The DSL provides a simplied format for\nwriting StepFunction state machines and serveral of common flow control\nstatements.\n\n## DSL\n\nThe [StepFunctionDSL] document describes the Heaviside DSL.\n\n## Getting Started\n\nIn this document `.hsd` will be used to denote a StepFunction file written in\nthe Heaviside DSL. The extension `.sfn` will be used to denote a StepFunction\nfile written in the AWS [state machine language].\n\n### Installing\n\n```\npip install heaviside\n```\n\n### CLI Script\n\nThe Heaviside package installs a script called `heaviside` that provides a CLI\nto the library. Running the command without arguments or with the `--help` or\n`-h` flag will provide detailed help.\n\n#### AWS Credentials\n\nAll sub-commands (except `compile`) connect to AWS to manipulate StepFunctions.\nThere are multiple ways to define the AWS credentials, listed in the order of\nprecedence.\n\n* Explicitly pass the values as command line arguments or environmental variables\n* Pass a file path to a JSON file with the arguments\n* Letting Boto3 try to resolve secret / access keys\n* Looking at EC2 meta data for current AWS region\n* Looking at current IAM user for AWS account_id\n\nThe `compile` sub-command doesn't connect to AWS, but does use the region and\naccount_id values when resolving Task ARNs. If the Heaviside DSL file has full\nTask ARNs or the compiled file will not be uploaded to AWS these values can be\nblank.\n\n**Note**: Since `compile` doesn't connect to AWS, only the first two options in\nthe list above are valid for passing the region and account_id value.\n\n#### Compiling\n\nTo compile a Heaviside file into a AWS StepFunction file use the `compile`\nsub-command.\n\n```\n$ heaviside compile state_machine.hsd -o state_machine.sfn \n```\n\n#### Creating a StepFunction\n\nThe `heaviside` script can compile and upload the resulting file to AWS.\n\n```\n$ heaviside create state_machine.hsd AwsIamStepFunctionRole\n```\n\nArguments:\n* `state_machine.hsd`: The path to the Step Function definition written in the\n Heaviside DSL.\n* `AwsIamStepFunctionRole`: The AWS IAM Role that the StepFunction will use\n when executing. Most often this will be used to\n control which Lambdas and Activities the\n StepFunction has permission to execute.\n\n#### Updating a StepFunction\n\nThe `heaviside` script can update an existing Step Function definition and / or\nIAM role in AWS.\n\n```\n$ heaviside update state_machine --file state_machine.hsd --role AwsIamStepFunctionRole\n```\n\nArguments:\n* `state_machine`: Name of the state machine to update\n* `state_machine.hsd`: The path to the Step Function definition written in the\n Heaviside DSL.\n* `AwsIamStepFunctionRole`: The AWS IAM Role that the StepFunction will use\n when executing. Most often this will be used to\n control which Lambdas and Activities the\n StepFunction has permission to execute.\n\n#### Deleting a StepFunction\n\nThe `delete` sub-command can be used to delete an existing StepFunction\n\n```\n$ heaviside delete state_machine\n```\n\n#### Executing a StepFunction\n\nThe `start` sub-command can be used to start executing a StepFunction.\n\n```\n$ heaviside start --json \"{}\" state_machine\n```\n\n**Note**: By default the `start` sub-command will wait until the\nexecution has finished and will print the output of the StepFunction.\n\n## Python Library\n\nThe Heaviside package installs the Python library `heaviside`. The public\nAPI is documented in the [Library API](docs/LibraryAPI.md) file.\n\n## Compatibility\n\nCurrently, Heaviside has only been tested with Python 3.8 and 3.11\n\n## Related Projects\n\n* [statelint]: A Ruby project that verifies a AWS StepFunction definition file.\n Includes checks like making sure that all states are reachable.\n Helpful when developing a new StepFunction to ensure everything\n is correct. It will catch structural problems that Heaviside\n doesn't check for.\n\n\n[AWS StepFunctions]: https://aws.amazon.com/step-functions/\n[state machine language]: https://states-language.net/spec.html\n[StepFunctionDSL]: docs/StepFunctionDSL.md\n[Activities document]: docs/Activites.md\n[statelint]: https://github.com/awslabs/statelint\n\n## Legal\n\nUse or redistribution of the Boss system in source and/or binary forms, with or without modification, are permitted provided that the following conditions are met:\n \n1. Redistributions of source code or binary forms must adhere to the terms and conditions of any applicable software licenses.\n2. End-user documentation or notices, whether included as part of a redistribution or disseminated as part of a legal or scientific disclosure (e.g. publication) or advertisement, must include the following acknowledgement: The Boss software system was designed and developed by the Johns Hopkins University Applied Physics Laboratory (JHU/APL). \n3. The names \"The Boss\", \"JHU/APL\", \"Johns Hopkins University\", \"Applied Physics Laboratory\", \"MICrONS\", or \"IARPA\" must not be used to endorse or promote products derived from this software without prior written permission. For written permission, please contact BossAdmin@jhuapl.edu.\n4. This source code and library is distributed in the hope that it will be useful, but is provided without any warranty of any kind.\n\n\n",
"bugtrack_url": null,
"license": "Apache License Version 2.0, January 2004 http://www.apache.org/licenses/ TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION 1. Definitions. \"License\" shall mean the terms and conditions for use, reproduction, and distribution as defined by Sections 1 through 9 of this document. \"Licensor\" shall mean the copyright owner or entity authorized by the copyright owner that is granting the License. \"Legal Entity\" shall mean the union of the acting entity and all other entities that control, are controlled by, or are under common control with that entity. For the purposes of this definition, \"control\" means (i) the power, direct or indirect, to cause the direction or management of such entity, whether by contract or otherwise, or (ii) ownership of fifty percent (50%) or more of the outstanding shares, or (iii) beneficial ownership of such entity. \"You\" (or \"Your\") shall mean an individual or Legal Entity exercising permissions granted by this License. \"Source\" form shall mean the preferred form for making modifications, including but not limited to software source code, documentation source, and configuration files. \"Object\" form shall mean any form resulting from mechanical transformation or translation of a Source form, including but not limited to compiled object code, generated documentation, and conversions to other media types. \"Work\" shall mean the work of authorship, whether in Source or Object form, made available under the License, as indicated by a copyright notice that is included in or attached to the work (an example is provided in the Appendix below). \"Derivative Works\" shall mean any work, whether in Source or Object form, that is based on (or derived from) the Work and for which the editorial revisions, annotations, elaborations, or other modifications represent, as a whole, an original work of authorship. For the purposes of this License, Derivative Works shall not include works that remain separable from, or merely link (or bind by name) to the interfaces of, the Work and Derivative Works thereof. \"Contribution\" shall mean any work of authorship, including the original version of the Work and any modifications or additions to that Work or Derivative Works thereof, that is intentionally submitted to Licensor for inclusion in the Work by the copyright owner or by an individual or Legal Entity authorized to submit on behalf of the copyright owner. For the purposes of this definition, \"submitted\" means any form of electronic, verbal, or written communication sent to the Licensor or its representatives, including but not limited to communication on electronic mailing lists, source code control systems, and issue tracking systems that are managed by, or on behalf of, the Licensor for the purpose of discussing and improving the Work, but excluding communication that is conspicuously marked or otherwise designated in writing by the copyright owner as \"Not a Contribution.\" \"Contributor\" shall mean Licensor and any individual or Legal Entity on behalf of whom a Contribution has been received by Licensor and subsequently incorporated within the Work. 2. Grant of Copyright License. Subject to the terms and conditions of this License, each Contributor hereby grants to You a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare Derivative Works of, publicly display, publicly perform, sublicense, and distribute the Work and such Derivative Works in Source or Object form. 3. Grant of Patent License. Subject to the terms and conditions of this License, each Contributor hereby grants to You a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable (except as stated in this section) patent license to make, have made, use, offer to sell, sell, import, and otherwise transfer the Work, where such license applies only to those patent claims licensable by such Contributor that are necessarily infringed by their Contribution(s) alone or by combination of their Contribution(s) with the Work to which such Contribution(s) was submitted. If You institute patent litigation against any entity (including a cross-claim or counterclaim in a lawsuit) alleging that the Work or a Contribution incorporated within the Work constitutes direct or contributory patent infringement, then any patent licenses granted to You under this License for that Work shall terminate as of the date such litigation is filed. 4. Redistribution. You may reproduce and distribute copies of the Work or Derivative Works thereof in any medium, with or without modifications, and in Source or Object form, provided that You meet the following conditions: (a) You must give any other recipients of the Work or Derivative Works a copy of this License; and (b) You must cause any modified files to carry prominent notices stating that You changed the files; and (c) You must retain, in the Source form of any Derivative Works that You distribute, all copyright, patent, trademark, and attribution notices from the Source form of the Work, excluding those notices that do not pertain to any part of the Derivative Works; and (d) If the Work includes a \"NOTICE\" text file as part of its distribution, then any Derivative Works that You distribute must include a readable copy of the attribution notices contained within such NOTICE file, excluding those notices that do not pertain to any part of the Derivative Works, in at least one of the following places: within a NOTICE text file distributed as part of the Derivative Works; within the Source form or documentation, if provided along with the Derivative Works; or, within a display generated by the Derivative Works, if and wherever such third-party notices normally appear. The contents of the NOTICE file are for informational purposes only and do not modify the License. You may add Your own attribution notices within Derivative Works that You distribute, alongside or as an addendum to the NOTICE text from the Work, provided that such additional attribution notices cannot be construed as modifying the License. You may add Your own copyright statement to Your modifications and may provide additional or different license terms and conditions for use, reproduction, or distribution of Your modifications, or for any such Derivative Works as a whole, provided Your use, reproduction, and distribution of the Work otherwise complies with the conditions stated in this License. 5. Submission of Contributions. Unless You explicitly state otherwise, any Contribution intentionally submitted for inclusion in the Work by You to the Licensor shall be under the terms and conditions of this License, without any additional terms or conditions. Notwithstanding the above, nothing herein shall supersede or modify the terms of any separate license agreement you may have executed with Licensor regarding such Contributions. 6. Trademarks. This License does not grant permission to use the trade names, trademarks, service marks, or product names of the Licensor, except as required for reasonable and customary use in describing the origin of the Work and reproducing the content of the NOTICE file. 7. Disclaimer of Warranty. Unless required by applicable law or agreed to in writing, Licensor provides the Work (and each Contributor provides its Contributions) on an \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied, including, without limitation, any warranties or conditions of TITLE, NON-INFRINGEMENT, MERCHANTABILITY, or FITNESS FOR A PARTICULAR PURPOSE. You are solely responsible for determining the appropriateness of using or redistributing the Work and assume any risks associated with Your exercise of permissions under this License. 8. Limitation of Liability. In no event and under no legal theory, whether in tort (including negligence), contract, or otherwise, unless required by applicable law (such as deliberate and grossly negligent acts) or agreed to in writing, shall any Contributor be liable to You for damages, including any direct, indirect, special, incidental, or consequential damages of any character arising as a result of this License or out of the use or inability to use the Work (including but not limited to damages for loss of goodwill, work stoppage, computer failure or malfunction, or any and all other commercial damages or losses), even if such Contributor has been advised of the possibility of such damages. 9. Accepting Warranty or Additional Liability. While redistributing the Work or Derivative Works thereof, You may choose to offer, and charge a fee for, acceptance of support, warranty, indemnity, or other liability obligations and/or rights consistent with this License. However, in accepting such obligations, You may act only on Your own behalf and on Your sole responsibility, not on behalf of any other Contributor, and only if You agree to indemnify, defend, and hold each Contributor harmless for any liability incurred by, or claims asserted against, such Contributor by reason of your accepting any such warranty or additional liability. END OF TERMS AND CONDITIONS APPENDIX: How to apply the Apache License to your work. To apply the Apache License to your work, attach the following boilerplate notice, with the fields enclosed by brackets \"{}\" replaced with your own identifying information. (Don't include the brackets!) The text should be enclosed in the appropriate comment syntax for the file format. We also recommend that a file or class name and description of purpose be included on the same \"printed page\" as the copyright notice for easier identification within third-party archives. Copyright {yyyy} {name of copyright owner} Licensed under the Apache License, Version 2.0 (the \"License\"); you may not use this file except in compliance with the License. You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License. ",
"summary": "Python library and DSL for working with AWS StepFunctions",
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