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Support py3 in run_demo.py #5

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merged 2 commits into from
Sep 3, 2019
Merged

Support py3 in run_demo.py #5

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890185a
Use `raw_input` only if exists (py2)
lukpueh Mar 18, 2019
bba5da8
Add print parentheses
lukpueh Mar 18, 2019
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41 changes: 26 additions & 15 deletions run_demo.py
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Original file line number Diff line number Diff line change
Expand Up @@ -6,16 +6,21 @@
import time
from shutil import copyfile, copytree, rmtree

try:
input = raw_input
except NameError:
pass

NO_PROMPT = False

def prompt_key(prompt):
if NO_PROMPT:
print "\n" + prompt
print("\n" + prompt)
return
inp = False
while inp != "":
try:
inp = raw_input("\n{} -- press any key to continue".format(prompt))
inp = input("\n{} -- press any key to continue".format(prompt))
except Exception:
pass

Expand All @@ -24,50 +29,54 @@ def supply_chain():
prompt_key("Define supply chain layout (Alice)")
os.chdir("owner_alice")
create_layout_cmd = "python create_layout.py"
print create_layout_cmd
print(create_layout_cmd)
subprocess.call(shlex.split(create_layout_cmd))

prompt_key("Clone source code (Bob)")
os.chdir("../functionary_bob")
clone_cmd = ("in-toto-run"
" --verbose"
" --step-name clone --products demo-project/foo.py"
" --key bob -- git clone https://github.com/in-toto/demo-project.git")
print clone_cmd
print(clone_cmd)
subprocess.call(shlex.split(clone_cmd))

prompt_key("Update version number (Bob)")
update_version_start_cmd = ("in-toto-record"
" start"
" --verbose"
" --step-name update-version"
" --key bob"
" --materials demo-project/foo.py")

print update_version_start_cmd
print(update_version_start_cmd)
subprocess.call(shlex.split(update_version_start_cmd))

update_version = "echo 'VERSION = \"foo-v1\"\n\nprint(\"Hello in-toto\")\n' > demo-project/foo.py"
print update_version
print(update_version)
subprocess.call(update_version, shell=True)

update_version_stop_cmd = ("in-toto-record"
" stop"
" --verbose"
" --step-name update-version"
" --key bob"
" --products demo-project/foo.py")

print update_version_stop_cmd
print(update_version_stop_cmd)
subprocess.call(shlex.split(update_version_stop_cmd))

copytree("demo-project", "../functionary_carl/demo-project")

prompt_key("Package (Carl)")
os.chdir("../functionary_carl")
package_cmd = ("in-toto-run"
" --verbose"
" --step-name package --materials demo-project/foo.py"
" --products demo-project.tar.gz"
" --key carl --record-streams"
" -- tar --exclude '.git' -zcvf demo-project.tar.gz demo-project")
print package_cmd
print(package_cmd)
subprocess.call(shlex.split(package_cmd))


Expand All @@ -84,30 +93,31 @@ def supply_chain():
os.chdir("final_product")
copyfile("../owner_alice/alice.pub", "alice.pub")
verify_cmd = ("in-toto-verify"
" --verbose"
" --layout root.layout"
" --layout-key alice.pub")
print verify_cmd
print(verify_cmd)
retval = subprocess.call(shlex.split(verify_cmd))
print "Return value: " + str(retval)

print("Return value: " + str(retval))




prompt_key("Tampering with the supply chain")
os.chdir("../functionary_carl")
tamper_cmd = "echo 'something evil' >> demo-project/foo.py"
print tamper_cmd
print(tamper_cmd)
subprocess.call(tamper_cmd, shell=True)


prompt_key("Package (Carl)")
package_cmd = ("in-toto-run"
" --verbose"
" --step-name package --materials demo-project/foo.py"
" --products demo-project.tar.gz"
" --key carl --record-streams"
" -- tar --exclude '.git' -zcvf demo-project.tar.gz demo-project")
print package_cmd
print(package_cmd)
subprocess.call(shlex.split(package_cmd))


Expand All @@ -124,12 +134,13 @@ def supply_chain():
os.chdir("final_product")
copyfile("../owner_alice/alice.pub", "alice.pub")
verify_cmd = ("in-toto-verify"
" --verbose"
" --layout root.layout"
" --layout-key alice.pub")

print verify_cmd
print(verify_cmd)
retval = subprocess.call(shlex.split(verify_cmd))
print "Return value: " + str(retval)
print("Return value: " + str(retval))


def main():
Expand Down