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Scans your Python project for all installed third party pip libraries and generates a requirements.txt based output.

Project description

PIP Module Scanner

Build Status Code Coverage PyPI version

Scans your Python project for all installed third party pip libraries that are used and generates a requirements.txt based output.

Installation

Installing the scanner is easy, either clone the repository and run the script or install it via pip like so:

$ pip install pip-module-scanner

Usage

Using the scanner is incredibly simple. Open a terminal and navigate to your project folder, run the script and watch magic happen before your eyes. Example:

$ cd ~/projects/my-awesome-project/
$ pip-module-scanner
foo==1.0.0
bar==2.1.0
baz==0.0.1

Specifying a custom path

You can specify a custom path in which you want to run the script with the -p or --path argument. Example:

$ pip-module-scanner --path ~/projects/my-awesome-project/
foo==1.0.0 
bar==2.1.0
baz==0.0.1

Writing the output to a file

You can write the output of the script to a file by using the -o or --out argument. Example:

$ cd ~/projects/my-awesome-project/
$ pip-module-scanner -o requirements.txt
$ cat requirements.txt
foo==1.0.0
bar==2.1.0
baz==0.0.1

Integrating the code in your project

You can easily integrate the scanner code in your own project so you can get the output of the scanner yourself or modify the class to suit your own needs. To do this, you can use it like so:

from pip_module_scanner.scanner import Scanner

scanner = Scanner()
scanner.run()

# do whatever you want with the results here
# example:
for lib in scanner.libraries_found:
    print ("Found module %s at version %s" % (lib.key, lib.version))

Specifying a path would work like so, make sure to also import the ScannerException as it will check if the path you specified is actually a real path:

from pip_module_scanner.scanner import Scanner, ScannerException

try:
   scanner = Scanner(path="~/projects/my-awesome-project/")
   scanner.run()

   # do whatever you want with the results here
   # example:
   for lib in scanner.libraries_found:
       print ("Found module %s at version %s" % (lib.key, lib.version))

except ScannerException as e:
    print("Error: %s" % str(e))

For the one-liner junkies out there (like me) you can also get all libraries with this nifty little one-liner (I'm so considerate)

from pip_module_scanner.scanner import Scanner

libs = Scanner().run().libraries_found # Isn't it beautiful?

Class definitions

pip_module_scanner.scanner.Scanner([string path [, string output]])

Method Argument Type Required Description
__init__ path string no Directory to recursively scan through, defaults to current working directory.
output string no Output path to write the resutlts from output() to
run Runs the scan, output will be stored in libraries_found
output Writes the output to the console or a path specified in the constructor
Property Type Description
libraries_found list<pip._vendor.pkg_resources.EggInfoDistribution> List of all found pip libraries in your project, result from Scanner.run().

License

MIT License

Copyright (c) 2016 Luke Paris

Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

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